1611 results about "Field angle" patented technology

The invention discloses an optical lens which is sequentially arranged from an object side to an image side along an optical axis of the lens: a first lens which is a glass lens with negative focal power; the second lens has negative focal power; the third lens is provided with positive focal power; a fourth lens, wherein the fourth lens has positive focal power or negative focal power; an aperture stop; a fifth lens, wherein the fifth lens has a positive focal power or a negative focal power; a sixth lens having a positive focal power or a negative focal power; a seventh lens having a positive focal power or a negative focal power; and the eighth lens is a plastic lens with positive focal power or negative focal power. The lens is formed by mixing glass and plastic, the field angle is larger than or equal to 200 degrees, the aperture is larger than or equal to 1.9, and the lens has the advantages of being large in field of view, large in aperture, high in imaging quality and high in brightness.

The present disclosure relates to the technical field of optics, and particularly relates to an optical lens and an electronic device. The optical lens of the present disclosure comprises an aperture stop and a plurality of lens units which are sequentially and coaxially arranged from an object side to an image side; a plurality of lens units are provided on the side of the aperture stop facing the object side, forming a stop front lens unit group; a plurality of lens units are provided on the side of the aperture stop facing the image side, forming a stop rear lens unit group; the number of lens units of the stop front lens unit group is the same as the number of lens units of the stop rear lens unit group, symmetrically offsetting distortion, thereby facilitating reduction of optical distortion of the optical lens; and the stop front lens unit group has negative refractive power, the stop rear lens unit group has positive refractive power, and the stop front lens unit group and the stop rear lens unit group form aberration compensation to improve the imaging performance of the optical lens. The lens unit closest to the object side has positive refractive power to converge large-angle off-axis beams, achieving a large field of view angle of the optical lens and reducing a clear aperture of an optical path at the same time, thereby achieving miniaturization of an optical path structure.

The invention belongs to the technical field of fundus imaging, and discloses an ultra-wide-angle ellipsoid confocal laser scanning fundus imaging system, which comprises a light splitting module, a light condensing module, a scanning module, a transmitting mirror group, an ellipsoid reflector and a detection module, wherein the center of the scanning module and the center of the transmitting mirror group are located on the same optical axis A, the pupil of the human eye is located at the first focus of the ellipsoidal reflector, and the entrance pupil of the transmitting mirror group is located at the second focus of the ellipsoidal reflector; and the transmitting lens group comprises a movable focusing lens and is used for changing the position of a first image surface of light reflected by the retina of the human eyes when moving along the optical axis A so as to realize clear imaging of the retina of the human eyes with different diopters. Under the condition that a free-form surface is not introduced, ultra-wide-angle multi-wavelength confocal laser scanning fundus imaging with the single intraocular field angle of 200 degrees is achieved, and the full-field optical resolution reaches 15 micrometers. And by moving the focusing lens, imaging compensation can be carried out on human eyes with diopters of-15D to + 15D.

The invention discloses an industrial lens, and belongs to the field of optical lenses. An industrial lens comprises a first lens group and a second lens group which are coaxially arranged, a diaphragm is arranged between the first lens group and the second lens group, the first lens group comprises a first lens, a second lens and a third lens which are sequentially arranged from an object space to an image space, the first lens and the second lens have positive focal power, and the third lens has negative focal power; the second lens group comprises a fourth lens, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from the object space to the image space, the fourth lens and the seventh lens have negative focal power, and the fifth lens and the sixth lens have positive focal power; the industrial lens satisfies the following relational expression: IH / FNO is greater than or equal to 3.12; fu1 / f is less than or equal to 2.1; fu2 / f is greater than or equal to 0.65; fOV / (D * TTL) > = 0.03; wherein IH is the maximum image plane height of the industrial lens, FNO is the aperture value of the industrial lens, fu1 is the effective focal length of a first lens group in the industrial lens, fu2 is the effective focal length of a second lens group in the industrial lens, f is the effective focal length of the whole industrial lens, FOV is the maximum field angle of the industrial lens, D is the head aperture size of the industrial lens, and TTL is the total optical length of the industrial lens. The industrial lens provided by the invention has the advantages of wide visual field, high resolution and compact size, and is of great significance in promoting the technical progress in the field of industrial automation.

The invention provides an optical lens, which comprises eight lenses with focal power and sequentially comprises a first lens with negative focal power, a second lens with positive focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface along an optical axis, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has negative focal power, the object side surface of the third lens near the optical axis is a convex surface, and the image side surface of the third lens is a concave surface; the fourth lens has positive focal power; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a convex surface; the sixth lens has positive focal power, and the image side surface of the sixth lens is a convex surface; the object side surface of the seventh lens is a concave surface, and the image side surface of the seventh lens is a concave surface; and the eighth lens has positive focal power. The optical lens provided by the invention has one or more advantages of short focus, large field angle, high imaging quality and the like.

The invention provides an optical lens, which comprises nine lenses from an object side to an imaging surface along an optical axis: a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; the object side surface of the fourth lens is a concave surface, and the image side surface of the fourth lens is a convex surface; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a convex surface; the sixth lens has negative focal power; the seventh lens has positive focal power; the eighth lens has negative focal power; and the ninth lens has positive focal power. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of short focus, miniaturization, large field angle, large aperture, large target surface, low distortion and low sensitivity.

The invention discloses an optical lens, an image capturing module and a terminal device, the optical lens comprises seven lenses with refractive power, the first lens has negative refractive power, the object side surface is a convex surface, and the image side surface is a concave surface; the second lens element with negative refractive power has a convex object-side surface and a concave image-side surface. The third lens element with refractive power has a concave object-side surface and a convex image-side surface, respectively. The fourth lens element with positive refractive power has a convex object-side surface. The fifth lens element with positive refractive power has a convex object-side surface and a convex image-side surface. The sixth lens element with negative refractive power has a concave object-side surface and a convex image-side surface, and the seventh lens element with positive refractive power has a convex object-side surface. The optical lens satisfies the following relational expression: 190default; a FOVlt; 210deg and 1.65 lt are included in the formula I; iMGH / Flt; 1.8). According to the optical lens, the image capturing module and the terminal equipment, the miniaturization design of the optical lens can be met, meanwhile, the large field angle can be achieved, and meanwhile the imaging quality can be improved.

The invention provides an optical lens, which comprises four lenses from the object side to the imaging surface along the optical axis: a first lens with negative focal power, the object side surface of which is a concave surface near the optical axis, and the image side surface of which is a concave surface; the image side surface of the second lens is a convex surface; the third lens has positive focal power, the object side surface of the third lens is a concave surface near the optical axis, and the image side surface of the third lens is a convex surface; the fourth lens has focal power, the object side surface of the fourth lens is a convex surface near the optical axis, and the image side surface of the fourth lens is a concave surface near the optical axis; wherein the maximum field angle FOV of the optical lens and the aperture value Fno meet the following conditions: 130 degree lt; an FOV / Fnot; 150 DEG C; the curvature radius R5 of the object side surface of the third lens and the curvature radius R6 of the image side surface of the third lens satisfy 0.1 lt; (R5-R6) / (R5 + R6) lt; and 0.8. According to the optical lens provided by the invention, the four lenses with specific focal power and specific surface type are adopted, so that the lens has one or more advantages of large aperture, large field of view, small distortion, miniaturization, high pixel and the like.

The invention provides an optical lens, which comprises eight lenses with focal power and sequentially comprises a first lens with negative focal power, a second lens with positive focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface along an optical axis, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has negative focal power, the object side surface of the third lens near the optical axis is a convex surface, and the image side surface of the third lens is a concave surface; the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a convex surface; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a convex surface; the sixth lens has positive focal power; the seventh lens has negative focal power; and the eighth lens has positive focal power. The optical lens provided by the invention has one or more advantages of short focus, large field angle, high imaging quality and the like.

The invention provides an optical lens, which comprises eight lenses from an object side to an imaging surface along an optical axis: a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has negative focal power; the object side surface of the fourth lens is a convex surface, and the image side surface of the fourth lens is a convex surface; the fifth lens has negative focal power; the sixth lens has positive focal power, and the image side surface of the sixth lens is a convex surface; the object side surface of the seventh lens is a concave surface, and the image side surface of the seventh lens is a concave surface; and the object side surface of the eighth lens is a convex surface, and the image side surface of the eighth lens is a convex surface. According to the optical lens provided by the invention, the imaging quality of the optical lens is improved through the reasonable configuration of the surface types of the lenses and the reasonable matching of the focal power, so that the lens has one or more advantages of large aperture, ultra-large field angle, high pixel, high imaging quality and the like.

The invention provides an optical lens, which comprises nine lenses from an object side to an imaging surface along an optical axis: a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; the object side surface of the fourth lens is a concave surface, and the image side surface of the fourth lens is a convex surface; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a convex surface; the sixth lens has negative focal power; the seventh lens has positive focal power; the eighth lens has positive focal power; and the ninth lens has positive focal power. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of short focus, miniaturization, large field angle, large aperture, large target surface, low distortion and low sensitivity.

The invention provides a laser radar. The laser radar comprises an optical transceiver module and a scanning module, the optical transceiver module comprises: a transmitting unit; an emission lens unit configured to transmit the probe light; the receiving lens unit is separated from the transmitting lens unit, and the receiving lens unit is configured to transmit echo light formed by reflection of the detection light through an object; the receiving unit comprises a two-dimensional array detector; the scanning module is configured to receive the detection light and emit the detection light to the outside of the laser radar, and receive the echo light and emit the echo light to the light transceiver module. According to the laser radar with the scanning module, the two-dimensional array detector is adopted, so that the receiving view field angle corresponding to each detector in the laser radar can be reduced, and the optical resolution of a laser radar optical system can be improved; and the aberration of the transmitting lens unit and the receiving lens unit can be improved through the transmitting lens unit and the receiving lens unit which are separately arranged, so that the batch production is facilitated, and the area requirement on the two-dimensional array detector can be reduced.

The invention provides an optical lens, which sequentially comprises a first lens with positive focal power from an object side to an imaging surface along an optical axis, a second lens with negative focal power, a third lens with positive focal power and a fourth lens with negative focal power from the object side to the imaging surface, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the third lens has negative focal power; the fourth lens has negative focal power, the object side surface of the fourth lens is a convex surface near the optical axis, and the image side surface of the fourth lens is a concave surface near the optical axis; the fifth lens has positive focal power, and the image side surface of the fifth lens is a convex surface; the sixth lens has negative focal power; the seventh lens has negative focal power, and the image side surface of the seventh lens is a concave surface near the optical axis; the effective focal length f of the optical lens and the real image height IH corresponding to the maximum field angle of the optical lens meet the following conditions: 1.3 lt; iH / flt; and 1.6. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the imaging quality of the optical lens can be improved, and the optical lens has the advantage of excellent imaging quality.

The invention relates to the technical field of head-up display, in particular to an HUD optical aberration correction method, system and device and a vehicle. The correction method comprises the following steps: generating a light beam through an LED light source or a laser light source, and adjusting the brightness and color parameters of the LED light source or the laser light source through a control circuit so as to adapt to different display requirements and environmental conditions; and the light beam is preliminarily shaped and collimated by the light beam shaping element until a proper divergence angle and a proper light spot size are met so as to meet the requirements of a coupling element. According to the invention, the light beam emitted by the light machine is subjected to one-dimensional or two-dimensional pupil expansion through the optical waveguide, and then view field expansion and aberration correction are carried out through the free-form surface mirror, so that the problems of large size, limited view field angle, small eye box range and insufficient imaging definition in the prior art are effectively solved.

A near-to-eye display system (1) and AR glasses (3). The near-to-eye display system (1) comprises an optical waveguide module (10), an optical engine module (20) and a metalens assembly (22). A first in-coupling grating region (111) and a first out-coupling grating region (112) are formed in the optical waveguide module (10). The optical engine module (20) comprises a light source assembly (21), which is arranged opposite the first in-coupling grating region (111), and the metalens assembly (22), which is arranged between the light source assembly (21) and the optical waveguide module (10), wherein the light source assembly (21) is used for outputting image optical signals to the metalens assembly (22), the image optical signals comprising at least two types of optical signals of different attributes, and the attributes comprising at least one of a wavelength, an emission angle and an emission position. The metalens assembly (22) comprises a substrate (221) and a metasurface structure (222) on the substrate (221), wherein the metasurface structure (222) is configured to receive the image optical signals and diffract the optical signals to the first in-coupling grating region (111). The optical signals which have the same emission position have the same diffraction angle. Thus, the volume and weight of a lens of the optical engine module (20) are reduced, and the design requirements for high image quality and a large field of view are also met.

The embodiment of the invention provides a lens, a display module, a vehicle lamp device, electronic equipment and a vehicle. The lens comprises at least five lenses arranged from the image side to the object side in the optical axis direction. At least three lenses in the at least five lenses have positive focal power, at least one lens has negative focal power, and when the number of the lenses with the negative focal power in the lens is one, the lens with the negative focal power in the lens is arranged between the lens closest to the image side in the lens and the lens closest to the object side in the lens in the optical axis direction. The lens provided by the embodiment of the invention can have the characteristics of a large aperture and a large field angle at the same time, so as to meet the use requirements.

The invention relates to a sight angle rate extraction method based on depth target tracking, and relates to the field of navigation control and computer vision. Comprising the steps of deploying a variable-focus optical camera on an unmanned aerial vehicle, and setting a normal of the center of a mirror surface of the camera to be inclined at a certain angle with a horizontal plane for acquiring complete information of a target; calibrating the target in the camera based on an optical parameter calibration method, and obtaining a field angle of the target relative to the center of the camera; deploying a target tracking algorithm on the unmanned aerial vehicle, and identifying a target position based on the target tracking algorithm; obtaining a horizontal deflection angle and a pitching deflection angle of the target relative to the center of the camera by combining a target position identified by a target tracking algorithm based on the field angle; and estimating the line-of-sight angular rate through Kalman filtering based on the obtained horizontal deflection angle, the obtained pitching deflection angle and the flight parameters of the unmanned aerial vehicle. Through combination of parameter calibration of the optical camera and a target tracking algorithm based on deep learning, the horizontal deflection angle and the pitching deflection angle of the target can be accurately obtained.

The invention provides an optical lens, which comprises seven lenses, and sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface, the object side surface of the second lens is a concave surface, and the image side surface of the second lens is a convex surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; the object side surface and the image side surface of the fourth lens are convex surfaces; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a concave surface; the sixth lens has negative focal power, and the image side surface of the sixth lens is a concave surface; the seventh lens has positive focal power; the curvature radius R9 of the object side surface of the fifth lens and the curvature radius R10 of the image side surface of the fifth lens meet the formula:-0.85 lt; (R9-R10) / (R9 + R10) lt; and-0.4. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of a large field angle, a large target surface, a large aperture, high imaging quality and the like.

The invention provides an aircraft simulation training method and system based on virtual-real combination, and relates to the technical field of aircraft simulation training. Accurate fusion of the actual optoelectronic device and the virtual scene is realized. Firstly, introduction of geographic information data provides a real scene basis for training; secondly, distortion correction of the two-dimensional picture ensures the accuracy of live-action imaging; and finally, by creating a virtual camera which is the same as the aircraft in position and has the same field angle, the system can always keep an output picture in an actual video range, and strictly follows the first view angle of a driver. According to the virtual-real combination mode based on position synchronization and visual angle matching, the real imaging characteristics of actual optoelectronic equipment are reserved, accurate superposition of the virtual targets is achieved, the real visual effect and the accurate space relation of training images are kept all the time, and therefore the vivid training experience is provided while the training cost is reduced.

The invention provides an optical lens, which comprises nine lenses from an object side to an imaging surface along an optical axis: a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a concave surface; the image side surface of the fourth lens is a convex surface; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a convex surface; the sixth lens has negative focal power, and the image side surface of the sixth lens is a concave surface; the seventh lens has positive focal power; the eighth lens has positive focal power; and the ninth lens has negative focal power. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of short focus, miniaturization, large field angle, large aperture, large target surface, low distortion and low sensitivity.

The utility model discloses a lens for delaying eye axis growth by using a negative defocus technology, particularly relates to the field of optical spectacle lenses, and aims to solve the problems that myopia of children and adolescents in China is severe, low-age and severe, existing common methods include angle molding, defocus and foggy vision (point diffusion), and the prevention and control efficiency is declined due to the large use of the methods. According to the utility model, myopia can be better prevented and controlled, and the prevention and control efficiency is improved. A composite ring belt design is adopted, the defocusing amount of an aspheric micro lens in a composite ring belt structure is negative defocusing, and the range of the defocusing amount of the aspheric micro lens is-5.0 D-(-6.5 D). While clear vision correction is ensured in an optical central area, the defocusing amount of a ring belt outside the central area is in an asymptotically increasing trend, so that continuous defocusing is formed in a peripheral area, and the visual acuity is improved. And personalized compensation is carried out on the defocusing amount of the field angle to form a continuous myopia defocusing state, so that excessive increase of the ocular axis and the diopter is delayed, and the purpose of controlling myopia is achieved.

The present invention discloses a small surveillance lens with low distortion, large light transmission, large target surface and high resolution, which comprises, in order from the object side to the image side along the optical axis: a first lens L1, a second lens L2, a third lens L3, a fourth lens L4, a fifth lens L5, an aperture C, a sixth lens L6, a seventh lens L7, an eighth lens L8 and a ninth lens L9, wherein the second lens L2 and the third lens L3 are closely connected to form a first cemented lens group; the seventh lens L7 and the eighth lens L8 are closely connected to form a second cemented lens group; the first lens L1 to the fifth lens L5 form a front lens group; the sixth lens L6 to the ninth lens L9 form a rear lens group; the surveillance lens satisfies the following condition: 2.2≤FOV / CRA≤4.171, wherein FOV is the maximum field angle of the surveillance lens, and CRA is the chief ray angle of the optical system. The surveillance lens of the present invention has the performance of low distortion, large light transmission, large target surface, high resolution and miniaturization.

The invention provides an optical lens, which comprises four lenses with focal power and sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface along an optical axis, the object side surface of the second lens is a convex surface, and the image side surface of the second lens is a concave surface; the object side surface of the third lens is a convex surface, and the image side surface of the third lens is a convex surface; the image side surface of the fourth lens is a convex surface; wherein the maximum field angle FOV of the optical lens and the real image height IH corresponding to the maximum field angle of the optical lens meet the following conditions: 35 degrees / mmlt; fOV / IHlt; 46 degrees / mm; the focal length f3 of the third lens and the focal length f4 of the fourth lens satisfy 0.5 lt; f3 / f4lt; and 0.8. According to the optical lens provided by the invention, through specific surface shape matching and reasonable focal power distribution, the lens has one or more advantages of an ultra-wide angle, a large aperture, high imaging quality, high collimation and the like.

The invention discloses a design method for a metasurface non-staggered polarization multiplexing holographic display device, and the method comprises the steps: carrying out the phase analysis of an initial polarization detection signal according to a phase recovery algorithm, and obtaining phase analysis information; receiving an incident polarized light signal and an emergent polarized light signal to construct emergent light complex amplitude, and combining phase analysis information to obtain analysis parameters corresponding to all positions in the metasurface device; constructing corresponding structure-phase delay mapping according to scanning information obtained by scanning, and further performing matching mapping on the analysis parameters to obtain corresponding mapping information; according to the mapping information, microstructure geometric parameters of all positions in the metasurface device are restored, and metasurface device design information is obtained. According to the design method, the holographic display device capable of carrying out independent phase regulation and control on any three polarization states can be designed, and the limitation that a non-staggered metasurface can only aim at orthogonal polarization state regulation and control is broken through; moreover, high-spatial-resolution display imaging can be realized, and the imaging field angle is larger.

The utility model provides a wide-angle optical system and a camera module applying the wide-angle optical system, and the wide-angle optical system is mainly composed of eight lenses, the first lens has negative focal power, the object side surface of the first lens is a convex surface, the image side surface of the first lens is a concave surface, the second lens has negative focal power, the image side surface of the second lens is a concave surface, the third lens has focal power, the object side surface of the third lens is a concave surface, and the fourth lens has focal power. The fifth lens has focal power, the object side surface of the fifth lens is a convex surface, the sixth lens has positive focal power, the object side surface of the sixth lens is a convex surface, the image side surface of the sixth lens is a convex surface, the seventh lens has negative focal power, the object side surface of the seventh lens is a concave surface, and the eighth lens has positive focal power and the image side surface of the eighth lens is a concave surface. The optical system has the advantages of light weight, high pixel, large wide angle, small caliber and low cost, is compact in structure and convenient to process and mount, can keep good and stable performance at high and low temperatures, and effectively meets the design requirements of large field angle and high resolution of the optical system.

The utility model relates to a large-field-angle medium-wave infrared pick-up lens, belongs to the technical field of optical imaging, and solves the problem that the compatibility of a large field angle and high picture quality cannot be satisfied in the prior art. The medium-wave infrared pick-up lens sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with positive focal power and a sixth lens with negative focal power from outside to inside along an optical axis, the seventh lens has positive focal power; and the eighth lens has positive focal power. At least five mirror surfaces in the eight lenses are aspheric surfaces; the effective focal length of the pick-up lens, the effective focal length of the second lens, the effective focal length of the fifth lens and the effective focal length of the eighth lens meet the following formula: # imgabs0 #. The large-field-angle medium-wave infrared pick-up lens provided by the utility model has a large field angle and also has a high-definition display picture.

The embodiment of the invention discloses a common-optical-path laser radar system and method. The system comprises a laser emitting module which responds to a driving and modulating signal to emit laser, shapes the laser and irradiates the laser to a target to be measured; the laser receiving module is used for receiving target echoes generated by the to-be-measured target to obtain a dual-band light beam; the light splitting and direction adjusting module receives the dual-band light beam, performs light splitting processing to obtain a first light beam and a second light beam, and transmits the first light beam and the second light beam to a first light path and a second light path respectively; the visible light sensor module collects the first light beam along the first light path and processes the first light beam to obtain visible light data; the depth sensor module collects a second light beam along a second light path and processes the second light beam to obtain depth data; and the fusion module is used for carrying out parallel processing on the visible light data and the depth data to obtain a pseudo-color three-dimensional image. Through an optical structure with a common optical path and a same field angle, the imaging field of view of a depth image and the imaging field of view of a visible light image are ensured to be consistent and synchronous in space and time.

The invention provides an image processing method and device and electronic equipment, and the method comprises the steps: determining a first image, the first image is an image obtained by projecting a panoramic image to a spherical surface, the first image comprises a second image, and the second image comprises an image covered by a field angle of a user in the first image; determining a first angle of horizontal opening of the second image relative to a sphere center corresponding to the first image and a second angle of vertical opening of the second image relative to the sphere center; based on the first angle and the second angle, performing equal-angle division on the second image domain to obtain M * N sub-images, M and N being positive integers determined based on a preset resolution; and carrying out pixel sampling in the M * N sub-images to obtain a sampled image.

The invention relates to an airglow layer gravity wave spectrum temperature imaging system and a two-dimensional temperature field point-surface fusion inversion method. The airglow layer gravity wave spectrum temperature imaging system comprises a fine spectrum detection subsystem, a rotation temperature spectrum measurement subsystem and a large-view-field gravity wave imaging subsystem. The three subsystems are respectively provided with three progressively-increased field angles and carry out synchronous detection, a detection area and a detection target are organically cooperated, image and data processing is carried out in the later period, and the fine spectrum detection subsystem and the rotating temperature spectrum measurement subsystem carry out cooperative calibration, so that high-precision inversion of the atmospheric temperature can be realized. And the linear relation between the airglow radiation intensity and the atmospheric temperature is obtained. A small, medium and large field-of-view collaborative observation mode is adopted, and through a point-surface fusion detection method and a data inversion algorithm, a linear relationship between high-accuracy airglow radiation intensity constructed by single-point detection and atmospheric temperature is expanded and fused to an airglow radiation field with a horizontal two-dimensional resolution capability; therefore, the temperature field with the same detection precision and the horizontal two-dimensional resolution capability is obtained.

The utility model provides a glass-plastic hybrid optical system and a camera module using the same, the glass-plastic hybrid optical system is composed of eight lenses, one spherical glass lens, one aspheric glass lens and six plastic aspheric lenses are selected, and the refractive power and the surface type of each lens are reasonably configured. Therefore, the optical lens can have the advantages of being small in size, low in cost and large in aperture while having a large field angle range, can better capture detail information of an object, improves the detail capturing capability of the optical lens for shooting the object, improves the picture texture of the optical lens, improves the resolution ratio and imaging definition of the optical lens, and improves the imaging quality of the optical lens. Therefore, the requirements of people on wide angle and high-quality imaging of the motion camera can be met.