75 results about "Both lenses" patented technology

The embodiment of the invention discloses a relative pose calibration method and device of a binocular camera, equipment and a medium, and relates to the technical field of vision measurement, and the method comprises the steps: determining an affine corresponding relation between two lenses in the binocular camera, and respectively determining Pluecker straight lines at different positions; according to the original rotation matrix and the original translation vector of the binocular camera, combining an affine corresponding relation and a Pluecker straight line to construct a generalized camera epipolar constraint model; respectively obtaining attitude information at different positions through an inertial measurement unit, aligning a Y axis of a binocular camera coordinate system to obtain an alignment rotation matrix and an alignment translation vector, and adjusting a generalized camera polar constraint model; and performing polynomial eigenvalue solution to obtain a relative pose. Through geometric model optimization, efficient and robust calibration of the relative pose of the binocular camera under the unknown focal length condition is realized, a plug-and-play calibration solution is provided for a visual system of a dynamic platform, and the technical blank in the field is filled.

A camera module includes: a housing; a reflecting module; and a lens module disposed behind the reflecting module, wherein the moving holder is disposed to be movable in one axial direction, approximately perpendicular to the optical axial direction and the one axial direction with respect to the housing, the lens module includes a carrier supported by the housing to be linearly movable in approximately the optical axial direction, the lens module includes two or more lens barrels of which some are fixed, and the others are supported by the housing to be linearly movable in approximately the optical axial direction, and lenses are distributed and provided into the at least two lens barrels.

Lens assemblies (71, 72) of an image reading device in which lens bodies (41) are arranged in a main scanning direction are connected with a gap (13) therebetween. A plurality of first gap sections and a plurality of second gap sections (122) are provided along the main scanning direction between the lens assemblies (71, 72) and an image sensor (11). The first gap section includes first light-shielding plates (14) that separate the optical paths of light passing through the lens bodies (41). The second gap section (122) includes the first light-shielding plates (14) and a second light-shielding plate (19) that limits an optical path of light passing through a lens body (41) closest to the gap (13) on one side of the gap (13).The position of the second light-shielding plate (19) in a direction along the optical path on the image sensor (11) side is closer to the lens assemblies (71, 72) than the first light-shielding plates (14), so that the fields of view of two lens bodies (41) adjacent to each other with the distance (13) therebetween overlap on a light-receiving surface (22) of the image sensor (11).

The application discloses a camera module, an electronic device, a focusing method and an optical axis correction method. The camera module comprises at least two lenses and an adjusting module. The at least two lenses are arranged at intervals along the optical axis direction of the camera module. The adjusting module is suitable for driving at least one of the at least two lenses to translate and / or swing relative to at least one of the other lenses to correct the coaxiality and / or parallelism of the optical axis direction of the at least two lenses. The parallelism or coaxiality of the optical axes of different lenses of the camera module of the application can be adjusted, the production yield of the camera module is improved, and the shooting effect is ensured.

The utility model discloses a core package lead correction and visual inspection device which comprises an installation assembly, the installation assembly comprises a support, and the rear end of the support is connected with a fixing plate; the visual detection assembly comprises two visual detection lenses installed on the support, and the lens directions of the two visual detection lenses are perpendicular to each other and intersect at one point. According to the core package lead correction and visual inspection device provided by the utility model, the correction assembly is arranged to correct the core package leads, so that the two leads are expanded from top to bottom and the vertical distance between the two leads is consistent, and the two visual inspection lenses of which the lens directions are vertical are arranged to correct the core package leads. High-angle shooting and side shooting are carried out on the core package lead located at the overlapped point of the shooting paths of the lens, a side view and a top view are obtained, and the correction condition of the core package lead is visually detected comprehensively. The device integrates correction and visual detection, visual detection is performed synchronously after correction, the equipment size is reduced, and the production efficiency is improved.

The utility model discloses a wafer cutting device. The wafer cutting device comprises a machining table, a cutting tool and a lens assembly. The machining table is provided with a bearing part used for bearing a to-be-cut piece and a moving part arranged above the bearing part. The cutting tool is arranged on the moving part and is driven by the moving part to move so as to be at least used for cutting a to-be-cut piece; the lens assembly is installed on the moving part and located on the side edge of the cutting tool, the lens assembly comprises at least two lenses arranged side by side, and the magnification factor of one of the at least two lenses is larger than the magnification factor of the other lens. The wafer cutting device at least can solve the problems that in the prior art, a lens in a wafer cutting device cannot normally recognize a machined object, and consequently the cutting precision and the cutting efficiency of a wafer are low.

The utility model relates to the technical field of construction machines, in particular to a construction robot. The construction robot comprises a mechanical arm, an assembly support, a remote control device, a tool body, a detection device and a control module. The mechanical arm comprises a free end of which the height and the angle can be freely adjusted; the assembling support is arranged at the free end of the mechanical arm and can move along with the free end. The tool body is arranged on the assembling support and comprises an execution end capable of executing operation on an operation point. The detection device is connected to the assembling support and located on the outer side of the tool body in the operation direction, the detection device comprises a visual sensor with two lenses, each lens is provided with a center point, and a midperpendicular is arranged in the middle position perpendicular to the connecting line of the two center points; the executing end of the tool body comprises an axis in the working direction, and the perpendicular bisector intersects with the axis. According to the construction robot, the operation point can be accurately found for construction.

The invention discloses a camera module and electronic equipment, and belongs to the technical field of electronics. The camera module comprises a circuit board, at least two photosensitive chips, a base and at least two lens components. The at least two photosensitive chips corresponding to the at least two lens components are arranged on the same circuit board, the photosensitive chips are arranged in the bearing cavity in the base, and the at least two lens components can be connected with the side, away from the circuit board, of the base. Therefore, the common circuit board design of the at least two lens components in the camera module is realized, the size of the camera module is effectively reduced, and the occupied space of the camera module in the electronic equipment is reduced. Besides, other components can be flexibly arranged in the internal space of the electronic equipment while the miniaturization design of the electronic equipment is ensured, so that the space utilization rate of the electronic equipment is improved.

The utility model provides forest fire prevention early warning equipment which comprises an infrared thermal imager, a support is installed at the bottom of the infrared thermal imager, the support is of an L-shaped structure, an end cover is arranged on the outer side of a lens part of the infrared thermal imager, two lens covers are installed on the face, away from the infrared thermal imager, of the end cover, and the two lens covers are connected with the infrared thermal imager. Bosses are installed on the two parallel side faces of the infrared thermal imager, the end cover is connected with the bosses through screws, air supply hoses communicated with the compressed air tank through valves are installed at the four corners of the face, away from the lens cover, of the end cover, and two vent holes communicated with the air supply hoses are formed in the lens cover. A shielding plate used for shielding the section, close to the infrared thermal imager, of the air supply hose is installed on the face, away from the infrared thermal imager, of the boss. The device has the advantage that sunlight shielding can be carried out on the ends, close to the infrared thermal imager, of the multiple air supply hoses which are in a dispersed state and are not suitable for being wound by the sun protection belt.

A peep sight assembly includes a housing having a first end and an opposing second end and defines a passage therethrough. The passage has first and second threads at the first and second ends of the housing. The peep sight assembly also includes a first aperture configured to be connected to the first end of the housing. The first aperture includes first threads for being received by the first threads at the first end of the housing, a first lens receiver for receiving a first lens, and an annular finger grip. The peep sight assembly further includes a second aperture configured to be connected to the second end of the housing. The second aperture includes second threads for being received by the second threads at the second end of the housing, a second lens receiver for receiving a second lens, and an annular finger grip.

This application relates to a method, apparatus, and computer device for determining lens distortion parameters of a shooting device. The method includes: performing distortion correction processing on an image of a first original image showing a first lens field of view overlapping with another image of a second original image showing a second lens field of view overlapping with yet another image using at least two lens distortion parameters, resulting in at least two image pairs; and determining the lens distortion parameter corresponding to the image pair with the smallest difference as the target lens distortion parameter of the shooting device. This method enables the rapid and accurate determination of the optimal target lens distortion parameter for the shooting device, whether it is equipped with a protective housing or not, based on the target lens distortion parameter in a single identification process. It also determines whether the shooting device is equipped with a housing and the distortion correction parameters for images captured by the shooting device with a housing, eliminating the need for manual selection.

Disclosed are a panoramic camera, a movable platform, a photographing system, a photographing apparatus, and a control method. The panoramic camera (100) comprises a body (12), two lens modules and a lens protective cover (14). The two lens modules are disposed on the body (12), and photographing directions of the two lens modules are different. The lens protective cover (14) comprises two photographing windows (16) spaced apart. By means of the photographing windows (16), the lens modules can photograph images of the outside of the lens protective cover (14), and the images acquired by the two lens modules can form a panoramic image after fusion. The lens protective cover (14) is overall movable relative to the body (12), such that the two photographing windows (16) can synchronously move relative to the body (12). The movement state of the lens protective cover (14) relative to the body (12) comprises an open state and a closed state. When the lens protective cover (14) moves to a first preset angular position relative to the body (12), the lens protective cover (14) is in the open state, such that lenses (18) of the two lens modules respectively correspond to the two photographing windows (16). When the lens protective cover (14) moves to a second preset angular position relative to the body (12), the lens protective cover (14) is in the closed state, such that the lenses (18) of the two lens modules are completely covered by the lens protective cover (14), the first preset angular position being different from the second preset angular position. During the switching between the open state and the closed state of the lens protective cover (14), the lens protective cover (14) is always connected to the body (12) without separation.

The invention relates to the technical field of optical imaging, and discloses a distance-adjustable dual-lens imaging module, which adopts the transmission connection design of a rotary adjusting assembly and a sliding block assembly to accurately convert rotary motion into linear motion, realizes continuous and accurate adjustment of the distance between two lenses, and improves the imaging precision. The limitation that a traditional fixed structure cannot be adjusted is overcome, and the problems that existing manual sliding adjustment is low in precision and poor in stability, and electric adjustment is high in cost and complex in structure are solved. Meanwhile, according to the scheme, the structure is simple and compact, operation is convenient and fast, adjustment can be completed only through rotation operation, a complex control system is not needed, the transmission mechanism has the self-locking characteristic, the position stability after adjustment can be effectively guaranteed, and the applicability, reliability and economical efficiency of the double-lens imaging module are remarkably improved.

Disclosed in the present invention is an optical quasi-three-dimensional space converter, which is capable of converting a three-dimensional space into a large number of position-fixed two-dimensional real images having different object-image distance-related parameters. The optical quasi-three-dimensional space converter comprises a variable-focus telephoto lens, a short-focus micro-lens array and an object-image distance-related parameter adjuster; one of two lenses is used for receiving light from an object side to form an intermediate image, and the other is used for converting the intermediate image into a virtual image or a real image in a three-dimensional space; an intermediate image horizontal flipper performs left-to-right flipping on the intermediate image in a horizontal direction for real-image space conversion; and the object-image distance-related parameter adjuster is used for adjusting the focal length of the variable-focus telephoto lens, the focal length of the short-focus micro-lens array, the focal length of a camera lens, and relative positions between the lenses. The optical quasi-three-dimensional space converter in the present invention can be used for wide-field-of-view three-dimensional photographic cameras, wide-field-of-view three-dimensional projectors for naked-eye observation, three-dimensional optical processing machines, artificial eyes, etc.

The utility model discloses a kind of pupil distance adjusting device and head-mounted display equipment, it is related to head-mounted display equipment technical field, and the pupil distance adjusting device in it includes support, two lens modules slidingly disposed on support, human eye detection module is arranged on two lens modules, first magnetic adjusting mechanism and second magnetic adjusting mechanism are arranged between support and two lens modules, and control unit is electrically connected with human eye detection module and second magnetic adjusting mechanism;First magnetic adjusting mechanism is used to drive two lens modules to move towards each other, second magnetic adjusting mechanism is used to drive two lens modules to move away from each other, human eye detection module is used to detect whether human eye is in the center of lens module and corresponding detection signal is transmitted to control unit, and control unit is used to control second magnetic adjusting mechanism action.The utility model not only can realize the adjustment of pupil distance, and strong stability, no noise, improve the wearing experience of user.

The present invention discloses a telescopic lens device and a mobile phone. The telescopic lens device includes a shell, at least two lens groups and a stretching buffer. The shell is formed with a mounting channel having an object side end and an image side end relatively arranged along a first direction. A connecting portion with a connecting platform is provided in the mounting channel. At least two lens groups are installed in the mounting channel, including a first lens group arranged adjacent to the image side end. The first lens group is movably installed in the mounting channel along the first direction. The first lens group has a mounting platform that is opposite to and spaced from the connecting platform along the first direction. The mounting platform is arranged adjacent to the image side end. The stretching buffer is provided between the mounting platform and the connecting platform, and the two ends are connected to the connecting platform and the mounting platform. Under the action of the stretching buffer, the speed of the first lens group moving toward the image side end is slowed down, the force on the lens is reduced, and the problem of the first lens group colliding with the mobile phone body located at the image side end due to excessive speed is avoided, thereby improving the service life of the telescopic lens device.

The utility model relates to an embedded double-light linkage focusing infrared sighting telescope which comprises a main body, an infrared lens set is arranged on the front face of the main body, a white light lens set is fixedly installed on the top of the infrared lens set, a laser ranging module is fixedly installed on the left side of the main body, and a battery pack is fixedly installed on the left side of the main body. According to the embedded double-light linkage focusing infrared sighting telescope, through the integrated design, the white light lens set is embedded into the infrared lens set, the size and weight of a main body are reduced, the sighting telescope is more attractive, the sighting base line of the white light lens set can be reduced by more than 3 cm through the arrangement of the device, the mastery of a trajectory is greatly improved, and the sighting telescope is more convenient to use. Meanwhile, linkage focusing of the two lenses is achieved through arrangement of other structures, two images can be clear at the same time through one focusing rotary knob, secondary focusing is not needed during operation at night, and visible light and thermal imaging double-image free switching can be freely conducted.

A method for isolating emergent light of a lens comprises the following steps: dividing a photosensitive area of an image sensor into two sub-areas, and simultaneously forming two images in the two photosensitive sub-areas of the image sensor by using two optical lenses. If the size of the image is larger than the light sensing sub-area of the corresponding image sensor, the two images formed by the two lenses are partially overlapped on the image sensor; if the size of the image is smaller than that of the light-sensitive sub-region of the corresponding image sensor, the effective pixel of the image sensor cannot be fully utilized. At the moment, a lightproof physical surface perpendicular to the surface of the image sensor is placed at the boundary of the two light-sensitive sub-regions, so that two images can be formed on the image sensor at a time, and the two images are not overlapped, and therefore, effective pixels of the image sensor can be utilized more fully.

The present invention provides a modular panoramic lens, comprising a middle frame assembly, two lens modules symmetrically arranged along the center of the middle frame assembly, and a connector assembly located inside the middle frame assembly; the middle frame assembly comprises a metal frame and a heat-insulating frame, and an installation space for accommodating two fisheye lenses and the connector assembly is formed inside the metal frame. The two lens modules in the modular panoramic lens provided by the present invention are symmetrically arranged along the center of the middle frame assembly, compactly installed and arranged, and fully utilize the internal space. The vertical circuit boards, which are the main heat dissipation components of the two lens modules, are distributed on both sides of the middle frame assembly, and a heat-dissipating copper area is provided on the vertical circuit boards to improve the heat dissipation effect of the fisheye lenses. At the same time, a heat-insulating frame is provided on the outer side of the metal frame to ensure heat dissipation while taking into account the heat insulation effect, thereby preventing the touch temperature from being too high and affecting the user experience. A multi-layer waterproof design scheme is designed in the entire panoramic lens to achieve a better waterproof effect.

The application provides a kind of super high definition low distortion lens, comprising: diaphragm, lens group, light splitting device, galvanometer, protective glass and image plane arranged in sequence;Light from image plane, through protective glass, galvanometer, light splitting device, lens group and diaphragm in projection plane imaging in sequence;Image plane is used to realize the closure of light;Galvanometer is used to increase pixel;Light splitting device is used to split beam;Diaphragm is used to control the amount of light;Lens group is used to correct aberration;Lens group includes: first lens, second lens, third lens, fourth lens, fifth lens, sixth lens and seventh lens;First lens, second lens, third lens, fifth lens and seventh lens are all lenses with positive focal power;Fourth lens and sixth lens are both lenses with negative focal power.The application solves the problem of insufficient machining precision and surface roughness in the prior art.

The invention discloses a conformal antenna system for a double-lens capsule type endoscope and the double-lens capsule type endoscope comprising the conformal antenna system. The conformal antenna system for the double-lens capsule type endoscope comprises two lenses arranged at the two ends in a shell and lens supports corresponding to the two lenses respectively, and further comprises a conductive radiator, and the lens supports are made of non-metal materials. And the conductive radiator is integrated on the surface or inside the lens bracket of one or two lenses and forms a conformal structure with the lens bracket. According to the invention, the antenna and the lens bracket are designed in an integrated and conformal manner, so that the problem that the installation space of the capsule type endoscope is deficient is fundamentally solved, and metal interference in the capsule type endoscope is effectively isolated, thereby realizing high radiation efficiency and stable remote wireless communication.

The utility model discloses an alignment device and detection equipment, and relates to the technical field of semiconductors, and the alignment device comprises a bottom plate, a first lens assembly and a second lens assembly. The bottom plate is used for supporting the first lens assembly and the second lens assembly, and the bottom plate can drive the first lens assembly and the second lens assembly to move; the first lens assembly is fixed on the bottom plate through a first adjusting fixing frame; the second lens assembly is fixed on the bottom plate through a second adjusting fixing frame, the second adjusting fixing frame is provided with a holding piece used for holding the second lens assembly, and the second adjusting fixing frame limits an installation space for containing the second lens assembly. According to the alignment device provided by the invention, the two lens assemblies are adopted, so that the precision of the alignment device is improved. Meanwhile, the bottom plate drives the first lens assembly and the second lens assembly to integrally move, the number of parts can be reduced, gaps between the parts can be increased, heat of the first lens assembly and the second lens assembly can be fully discharged, and the stability of the alignment device is improved.

This application relates to the field of medical device technology, and more particularly to a lens support structure and a binocular optical navigation system. The lens support structure of the binocular optical navigation system includes: a housing assembly; a bracket including multiple support components and multiple shock-absorbing components, with each support component corresponding to at least one shock-absorbing component, the support components being connected to the housing assembly, each support component having a receiving hole, the shock-absorbing component being disposed inside the receiving hole, the inner wall of the receiving hole abutting against the shock-absorbing component, the shock-absorbing component having a mounting hole; and a support beam defining a longitudinal axis, the support beam passing through the mounting hole, the inner wall of the mounting hole abutting against the support beam, the support beam being used to mount the lens. The lens support structure and binocular optical navigation system provided by this application enable better stability of the two lenses of the optical navigation system, thereby achieving higher positioning accuracy of the optical navigation system.

The invention discloses a binocular camera module calibration method and system, electronic equipment and a storage medium, and relates to the technical field of camera calibration. According to the method, a test camera module is controlled to shoot multiple groups of calibration plate images at different preset positions, and parameters such as an internal reference matrix, a rotation matrix and a translation vector of a camera are iteratively solved through processing such as image segmentation, graying, angular point extraction and accurate positioning, so that a correction transformation matrix is generated to calibrate the test camera module; high-precision calibration of the binocular camera module is achieved, it is ensured that the optical axes of the two lenses are horizontally aligned, the precision of the distance between the lenses reaches the standard, and stereo imaging matching and biological characteristic collection accuracy are ensured. By implementing the technical scheme provided by the invention, the function stability and the performance consistency of the product can be improved, and the high requirement on the product performance in batch production can be met.

The application provides an image acquisition device and a lens switching method. The image acquisition device comprises a lens conversion device provided with at least two lenses; and a driving device for driving the lens conversion device to move to a target position to realize switching between the at least two lenses, wherein the driving device comprises a driving part capable of rotating around an axis, a driven part connected with the lens conversion device and provided with a gap with the driving part, and a control device for controlling the rotation around the axis of the driving part, so that the driving part can continue to rotate around the axis along a first direction after the gap is eliminated when the rotation around the axis along the first direction is performed, thereby pushing the driven part to rotate, and the driven part drives the lens conversion device to move to the target position in the process of rotating, so as to accurately switch the lenses.

The invention relates to the technical field of ferrous metallurgy continuous casting equipment detection, in particular to an arc-shaped continuous casting machine three-dimensional motion trail detection and tubular early warning method which comprises the steps that a binocular lens is adopted to shoot an arc-shaped continuous casting machine from a preset angle based on two lenses, and image information, including vibration data, of the arc-shaped continuous casting machine at the preset angle is obtained; analyzing and matching the image information of the arc-shaped continuous casting machine by adopting an image processing algorithm, and calculating to obtain position change data of the arc-shaped continuous casting machine in a three-dimensional space; obtaining vibration data in two preset directions based on the position change data, and calculating a three-dimensional space movement track of the vibration table based on the vibration data; the three-level alarm of the spatial movement track of the vibration table is realized by adopting a tubular alarm mode. The problems of low detection efficiency and lack of an effective alarm scheme in the prior art are solved.

The method involves recognizing and tracking individually conveyed products (4) which are cylindrical in at least some regions and have a circumferential surface (8) to which a mark (10) is applied individually. The products (4) are conveyed by a transport device (2) in a transport direction (T) and are rotated during the conveying by a friction element (20) which engages by friction with each product (4) as it is being conveyed. Finally, the mark (10) applied to the circumferential surface (8) of each product (4) is read by a stationary camera system (16) having at least two lenses (18) as the respective product (4) is being rotated.

The invention relates to an underwater fish school detection preview method, device and equipment based on a picture locking function, and the method comprises the steps: obtaining the attitude data of an inertial measurement unit arranged at an underwater binocular camera when the underwater binocular camera collects an underwater image, and adding a synchronization timestamp to the underwater image and the attitude data at the same collection moment; calibrating the underwater image through a pre-calibrated target calibration parameter to obtain a target underwater image; according to a preset fusion percentage and a preset reference radius, mirror image linear splicing fusion is carried out on the target underwater images of the two lenses at the same acquisition moment through the gradient weight, and a panoramic underwater image is obtained; establishing an association index for each frame of panoramic underwater image and attitude data under the same synchronization timestamp to form a structured data unit for storage; and according to the association index, calling the attitude data of the panoramic underwater image at the corresponding acquisition moment to lock, preview and display the image of the underwater binocular camera.

The invention relates to the field of monitoring equipment manufacturing, in particular to a monitoring system. The device comprises two mounting plates, each mounting plate is rotationally connected with a rotating plate, and the inner side of each rotating plate is rotationally connected with six gears I; the inner side of each mounting plate is fixedly connected with a gear box I, the inner side of each gear box I is fixedly connected with a gear ring, and each gear ring is in meshed connection with the corresponding six gears I; sleeves I are fixedly connected to the inner sides of the two rotating plates correspondingly, lens barrels are connected into the two sleeves I in a threaded mode, and lenses are fixedly connected into the two lens barrels correspondingly. Each gear I is fixedly connected with an inner cover, and each inner cover is fixedly connected with an outer cover; and a protective plate is fixedly connected to the outer side of the mounting plate. The objective of the invention is to alternately use two cameras and perform cooling and dedusting treatment on idle cameras at the same time.

This application discloses a projection system, belonging to the field of projection equipment. The projection system includes a light source assembly, an illumination assembly, a lens assembly, and a screen arranged sequentially along the optical path. The lens assembly includes a first mirror group, a first reflector, a second mirror group, and a second reflector. The first mirror group receives the light beam emitted from the illumination assembly and guides the beam to the first reflector. The second mirror group receives the light beam reflected from the first reflector and guides the beam to the second reflector. The second reflector guides the beam to the screen. In the projection system provided by this application, the lens assembly includes a first reflector. This first reflector deflects the optical axes of the first and second mirror groups in the two lens assemblies, reducing the maximum size of the lens assembly and thus reducing the size of the projection system. This solves the problem of large projection system size in related technologies and achieves the effect of reducing the size of the projection system.