398 results about "High luminance" 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 invention discloses a low-illumination image enhancement method suitable for a complex night operation scene. The method comprises the following steps: preprocessing a collected low-illumination RGB image to obtain a preprocessed image; multi-scale features are extracted from the shallow convolution projection and the multilayer axial converter unit, and cross-layer attention is used for weighted aggregation to form enhanced features; forward noise addition is executed according to noise scheduling to obtain potential representation representing low-illumination noise distribution, and deep semantic representation is extracted in combination with a U-Net encoder embedded in CBAM; in the decoding stage, details are reconstructed through jump connection and a multi-layer converter, meanwhile, reverse denoising of a diffusion model is introduced to gradually remove noise, and an enhanced image with high brightness and low noise is output; in the training process, bidirectional mapping from low illumination to normal illumination is constructed, a weighted target of self-encoding loss and enhanced loss is introduced to carry out joint optimization on a converter and diffusion parameters, and a low-illumination scene is monitored on a general GPU / edge device.

The invention discloses a laser speckle testing device based on hyperspectral imaging, which realizes high-precision measurement of laser spots and speckle signals under the condition of not depending on an expensive refrigerating system by optimizing an optical structure and a control strategy. The device comprises an imaging lens, a lens electric control module, a liquid crystal tunable optical filter module, an ND filter wheel, a driving mechanism of the ND filter wheel, a two-dimensional image sensor, a main control unit, a three-axis acceleration sensor, a PC host and a tested screen. A noise calibration piece preset in an ND filter wheel is used for collecting noise data in real time before each time of measurement, and noise deduction is carried out before the filter is switched, so that the timeliness and accuracy of data correction are improved; meanwhile, the integrated three-axis acceleration sensor is used for monitoring vibration, and when vibration exceeding a preset threshold value is detected, it can be judged that currently collected data is invalid, and re-collection is automatically triggered. The device is compact in structure, low in cost and suitable for the fields of laser display, projection calibration, high-brightness light source detection and the like.

The utility model provides an all-glass vehicle-mounted day and night confocal optical system and a camera module applying the same, mainly comprising eight lenses, the first lens has negative focal power, the object side surface is a convex surface, and the image side surface is a concave surface, the second lens has negative focal power, the object side surface is a concave surface, and the image side surface is a convex surface. The third lens has positive focal power, the object side surface is a convex surface, the image side surface is a concave surface, the fourth lens has negative focal power, the object side surface is a convex surface, the image side surface is a concave surface, the fifth lens has positive focal power, the object side surface is a convex surface, the image side surface is a convex surface, and the fourth lens and the fifth lens form a bonding lens. The sixth lens has positive focal power, the object side face of the sixth lens is a convex face, the image side face of the sixth lens is a convex face, the seventh lens has negative focal power, the image side face of the seventh lens is a concave face, the eighth lens has focal power, and the image side face of the eighth lens is a concave face. And the picture illumination uniformity and the imaging definition are improved.

The invention relates to the technical field of medical instrument detection, discloses a medical whole basket instrument multi-parameter detection system and method, and aims to solve the problem that in an existing CCD image detection technology, a high-brightness reflection area interferes with a detection result due to tiny bloodstain or superposition on the surface of an instrument. The system comprises an imaging module, a light source control module, a data processing module and a carrying platform. According to the method, reflection is reduced through combination of multispectral imaging and an adjustable light source, a reflection area is accurately identified and removed by using an algorithm of combining gradient amplitude and gradient direction entropy, and finally geometric parameters and cleanliness indexes of the instrument are synchronously calculated.

The invention provides a steel surface defect detection and identification system and method based on a deep learning YOLOv8 model, and the system comprises an industrial camera which is disposed in a to-be-detected region of a steel production line and is provided with a high-brightness light source. The system is characterized by further comprising an image acquisition module, a fault detection module, a defect identification module and a man-machine interaction module which run on a computer and are connected with the industrial camera control system, and the method comprises the following steps: S1, system initialization, S2, image acquisition, S3, image preprocessing, S4, feature extraction and fusion, S5, defect identification and classification, and S6, result output and interaction. Automatic and precise steel surface defect detection and recognition of the whole process from image acquisition, defect detection to result output are achieved, manual visual judgment is not needed, detection standards are unified, the problem of unstable detection caused by manual experience differences is avoided, the labor intensity of operators is reduced, enterprise losses caused by defective steel circulation are avoided, and the production efficiency is improved. Reliable data support is provided for production process optimization, and the steel quality is guaranteed.

According to the silicon-based OLED micro display screen, an OLED organic material layer emits white light under electric driving, intelligent judgment is performed according to display content, an optimal working mode is automatically selected, when high-saturation pure color needs to be displayed, the mode is switched to a pure color transparent mode, at the moment, a super-surface optical separation layer keeps the transparent characteristic, and the display quality is improved. The white light is directly transmitted to the color film unit with the corresponding color; when mixed colors need to be displayed, a mixed color separation mode is started, incident white light is separated into red primary light, green primary light and blue primary light according to visible spectrums, the light is accurately guided to the corresponding RGB color film units according to a preset optical path, finally, the color light which is accurately separated and guided is output through the corresponding color films, and finally a high-brightness and low-power-consumption full-color picture is synthesized. The super-surface optical separation layer is additionally arranged between the white light OLED light-emitting layer and the color filter, so that the display optical utilization efficiency is greatly improved.

The embodiment of the invention provides a large-viewing-angle composite optical film. The large-viewing-angle composite optical film comprises a base material film layer; the first prism film layer is arranged on one side of the base material film layer; the second prism film layer is arranged on the other side of the base material film layer; a plurality of first prism units extending in the first direction are arranged on the side, close to the base material film layer, of the first prism film layer, and a platform interval is formed between every two adjacent first prism units; a plurality of second prism units extending along a second direction are arranged on one side, adjacent to the base material film layer, of the second prism film layer; wherein the first direction intersects with the second direction, and the first prism units and the second prism units are oppositely arranged in the direction perpendicular to the base material film layer. The utilization rate of light energy is improved, and the loss of central brightness is effectively inhibited while the visual angle is obviously expanded. After the first prism film layer and the second prism film layer are compounded, on the basis of maintaining high brightness gain, the field angle is obviously widened, and collaborative optimization of brightness attenuation gentle and overall optical uniformity under a large angle of view is realized.

The invention provides an infrared induction intelligent interactive projection large screen and ground screen holographic device, and relates to the technical field of intelligent display interaction. The equipment is composed of a large projection screen, a ground screen, an infrared induction device, a data processing host, a feature extraction and intention recognition module, an environment perception and adaptive adjustment module and an intelligent feedback and multi-mode interaction fusion module, and the large projection screen is used for displaying holographic images and has the functions of high brightness, wide color gamut and touch control; the ground screen is made of a transparent holographic imaging material, can synchronously display interaction information and has a touch sensing function, and the infrared sensing device captures three-dimensional action information of a user through an emitter and a receiver which are arranged in a matrix mode. The problems that a traditional display device is poor in interaction experience and single in display effect are solved, natural and smooth long-distance human body action interaction and immersive visual experience are achieved, and the system is suitable for many fields such as science and technology exhibition, commercial exhibition and intelligent education.

The invention discloses a low-illumination image enhancement method combining multi-channel parallel attention and cross fusion, and relates to the field of photoelectric display. In order to solve the problems of high model complexity, brightness and color gamut information coupling, artifact fusion and the like in low-illumination image enhancement, the invention provides a lightweight low-illumination image enhancement network, brightness and chrominance information are separated in a YCbCr color space, brightness structure features are extracted through a lightweight denoising module and a multi-head attention mechanism, and a low-illumination image is obtained. And a multi-channel parallel attention module (MCPA) is designed to enhance the chromaticity context modeling capability. According to the invention, a brightness-guided cross fusion module (LCA) is introduced, and cooperative enhancement of the structure and the color is realized through joint channel-space attention optimization. According to the method, a relatively high image quality index is obtained on multi-class public low-illumination data, meanwhile, the parameter quantity and the calculation quantity are remarkably reduced, and the method is suitable for edge device deployment. According to the method, color cast and fusion artifacts can be effectively inhibited, and the consistency of structural details and colors is improved.

The invention discloses a control method of a micro light-emitting unit array display, electronic equipment of the micro light-emitting unit array display and a computer program product. In the display process of the current frame, the micro light-emitting unit array display adopts a preset scanning time sequence to sequentially scan the backlight of each pre-divided partition; and when the target partition backlight is scanned, backlight control is performed based on the response stage of the liquid crystal corresponding to the partition: the target partition backlight is closed when the liquid crystal is in the turnover stage, and the target partition backlight is opened based on the target brightness when the liquid crystal is in the stable stage. By means of accurate matching of the backlight switch and the response state of the liquid crystal, smear and ghosting generated when the liquid crystal is displayed in the overturning process can be avoided, and therefore dynamic blurring is effectively reduced, and the definition of a moving picture is improved. Meanwhile, the method does not need a complicated frame insertion frequency multiplier circuit or whole-screen black frame insertion, so that the excellent dynamic display performance can be realized with lower cost on the premise of keeping higher brightness output.

This application discloses an imaging device with an operating temperature range of -40℃ to +60℃, comprising a 4K high-definition lens and a detector for receiving images captured by the 4K high-definition lens. The 4K high-definition lens has a focal length of 50mm, a relative aperture of 1.25, and operates in dual bands: 0.43~0.656μm and 0.7~1μm. The detector has a pixel count of 3840×2160 and a pixel size of 2.9μm. The 4K high-definition lens employs a heat-free design using domestically produced spherical glass, resulting in a simple, compact structure and small size. It utilizes a high-dispersion material lens and a low-dispersion material glass bonded together to achieve dispersion matching. The combination of different lenses and the rational allocation of optical power ensure excellent optical performance. Furthermore, it is suitable for imaging in high-brightness daytime and low-light nighttime environments and can switch bands for imaging, ensuring clear images both day and night.

The embodiment of the invention provides an image processing method, a storage medium and an electronic device, and the method comprises the steps: obtaining the pixel values of two images with different exposures in a target scene, determining a fusion weight value according to the pixel values of the two images, the fusion weight values comprise a first fusion weight value, a second fusion weight value and a third fusion weight value, the first fusion weight value is a fusion weight value of a high-brightness area of the first image, the second fusion weight value is a fusion weight value of a low-brightness area of the second image, and the third fusion weight value is a fusion weight value of motion areas in the two images; and fusing the two images according to the fusion weight value to obtain a fused image, thereby solving the problem that a high-bit-width image output in an image fusion process has motion flaws in related technologies, and achieving the technical effects that the output high-bit-width image has a high dynamic range and the motion flaws are minimized.

The invention belongs to the field of projection display, and discloses a rear projection screen, which comprises an imaging layer, a black light absorption layer and a zigzag microstructure layer, the black light absorption layer is composed of a first black light absorption layer and a second black light absorption layer; the first black light absorption layer comprises a plurality of first black light absorption strips, the second black light absorption layer comprises a plurality of second black light absorption strips, and the first black light absorption strips and the second black light absorption strips are orthogonally stacked and arranged; the distribution distance between every two adjacent first black light absorption strips is increased or the distribution distance between every two adjacent second black light absorption strips is increased from the transverse center line / the vertical center line of the screen to the edges of the two ends. According to the rear projection screen, more projection light rays are absorbed in the central area of the screen and less or no projection light rays are absorbed in other areas by setting the distribution distance between the first black light absorption strips and the second black light absorption strips, so that the brightness difference between the central area of the projection screen and the other areas is reduced, and the brightness of the projection screen is improved. And the rear projection screen with high brightness uniformity is obtained.

Provided is a highly reliable display device. Provided is a display device with high contrast. Provided is a display device with high visibility. Provided is a high-brightness display device. Provided is a high-definition display device. Provided is a display device with high resolution. The display device includes a light-emitting device including a first electrode on a first insulating layer, an EL layer on the first electrode, and a second electrode on the EL layer. The first electrode covers a part of an upper surface and a side surface of the first insulating layer. An end of the first electrode is located between the upper surface and a lower surface of the first insulating layer.

The application discloses a kind of laser speckle testing device based on hyperspectral imaging, which realizes high-precision measurement of laser spot and speckle signal under the condition of not relying on expensive refrigeration system by optimizing optical structure and control strategy.The device includes imaging lens, lens electric control module, liquid crystal tunable filter module, ND filter wheel and its driving mechanism, two-dimensional image sensor, main control unit, three-axis acceleration sensor, PC host and the screen to be measured.The noise calibration piece pre-stored in the ND filter wheel is used to collect noise data in real time before each measurement, and noise subtraction is carried out before the filter switching to improve the timeliness and accuracy of data correction;At the same time, the integrated three-axis acceleration sensor is used to monitor vibration, and when vibration exceeding the preset threshold is detected, it is determined that the current collected data is invalid and automatically triggers re-sampling.The application has compact structure and low cost, and is suitable for laser display, projection calibration and high-brightness light source detection and other fields.

A viewing angle control system includes sequentially: a first polarizer, a first optical compensation layer, a first TN-mode liquid crystal cell, a second polarizer, a second TN-mode liquid crystal cell, a second optical compensation layer, and a third polarizer. The first and second optical compensation layers each exhibit minimum retardation in a tilted direction rather than in a normal direction. The system provides high brightness in a front direction and low brightness in an oblique direction at a specific azimuthal angle when applied to a light source.

Provided are a luminance measurement system and the like in which the measurement time is shortened.　The luminance measurement system comprises an image generation unit, a measurement unit, and a control unit. The image generation unit generates an image signal corresponding to an image to be displayed on a display. The measurement unit measures the luminance of the image displayed on the display on the basis of the image signal. The control unit controls the image generation unit and the measurement unit on the basis of a plurality of measurement modes for sequentially executing luminance measurement at a plurality of different target luminances. The control unit sequentially and continuously executes a first measurement mode and a second measurement mode. At this time, in the first measurement mode, the target luminance is set from the target luminance of a low-luminance region to the target luminance of a high-luminance region having a higher luminance than the low-luminance region, and luminance measurement is executed. In the second measurement mode, the target luminance is set from the target luminance of the high-luminance region to the target luminance of the low-luminance region through the target luminance of an intermediate luminance region between the low-luminance region and the high-luminance region, and luminance measurement is executed.

Embodiments of the present disclosure provide an image processing method, a storage medium, and an electronic device. The method comprises: acquiring pixel values of two images having different exposure levels in a target scene; determining a fusion weight value on the basis of the pixel values of the two images, wherein the fusion weight value comprises a first fusion weight value, a second fusion weight value and a third fusion weight value, the first fusion weight value is the fusion weight value of a high-brightness region of the first image, the second fusion weight value is the fusion weight value of a low-brightness region of the second image, and the third fusion weight value is the fusion weight value of motion regions in the two images; and fusing the two images on the basis of the fusion weight value to obtain a fused image.

To effectively execute a performance when a case that a main performance image can not be displayed on the entire screen because an image display means and a screen ratio are different and a case that the main performance image is displayed on the entire screen coexist.SOLUTION: A first image display performance of displaying a first main performance image in a first display area and displaying a shielding image in a second display area adjacent to the first display area, a second image display performance of displaying a second main performance image across the first and second display areas, first and second specific notice performances of displaying a specific image having character information, and a high-brightness performance of displaying a high-brightness image are executable, and a sound output corresponding to the character information is executed in the first specific notice performance, but the sound output corresponding to the character information is not executed in the second specific notice performance, in the first specific notice performance, the first image display performance is executed both before and after the execution of the high-brightness performance, and in the second specific notice performance, the first image display performance is executed before the execution of the high-brightness performance and the second image display performance is executed after the execution of the high-brightness performance.SELECTED DRAWING: Figure 108

The application provides a display brightness adjustment method and device, electronic equipment and a readable storage medium, and the method comprises the following steps: receiving a display instruction of a dynamic picture; in response to the display instruction, determining a display area of the dynamic picture; according to the proportion of the display area of the dynamic picture and the total display area, determining the first maximum brightness of the pixels in the display area of the dynamic picture when the dynamic picture is displayed; and based on the first maximum brightness, adjusting the display brightness of the dynamic picture. By adopting the embodiments of the application, the screen safety of the equipment can be effectively ensured.

Disclosed is a light emitting display device that emits constant light by maintaining a cavity of internal light by a reverse cavity characteristic through an optical compensation structure, and that, by combining the optical compensation structure with a color filter structure, achieves a high luminance characteristic despite a change in viewing angle, prevents external light from being reflected, and is excellent in efficiency and lifespan.

The invention relates to the field of intelligent medical treatment, in particular to a colposcope image-based data processing and segmentation method, equipment and a program product. The method includes: acquiring a vagina vinegar white image; performing mirror surface area detection on the vagina vinegar white image to obtain a mirror surface area; in the mirror surface area detection, a vagina vinegar white image is converted into an HIS color space to obtain a low-saturation S, high-brightness I and gradient GR three-channel vagina vinegar white image, and a mirror surface area is marked based on the three-channel vagina vinegar white image; and performing priority calculation on each pixel point in the mirror surface area, and performing patch repair processing based on a priority sequence to obtain a processed vagina vinegar white image. The application has good clinical value.

The invention relates to a display control method, a display system, computer equipment and a readable storage medium, for each field period, m * K groups of row gray data corresponding to m * K row lines at each same row position in K LED modules are obtained, and if it is recognized that k groups of target row gray data meeting a preset high-gray judgment condition exist in the m * K groups of row gray data, the k groups of target row gray data meet the preset high-gray judgment condition. If yes, based on a preset gray level adjustment strategy, gray level correction processing is carried out on the k sets of target row gray level data, corresponding k sets of row gray level reduction display data are generated, and LED modules corresponding to all rows of gray level reduction display data are driven to execute corresponding display output; on the basis, on the premise that the overall display image quality is guaranteed, the average current overload risk of the target row line is effectively restrained, the color cast problem caused by the fact that a green light LED and a blue light LED cannot maintain constant current due to insufficient voltage drop in a high-brightness scene is avoided, and the stability and display quality of a display system in the high-brightness scene are effectively improved.

The invention relates to the technical field of image processing, and discloses an image processing method, a shooting method, a storage medium, equipment and a program product, electronic equipment collects a collection scene to obtain multiple frames of to-be-fused images, and when the judgment result shows that the multiple frames of to-be-fused images comprise a first shooting element of which the position changes in different to-be-fused images, a second shooting element of which the position changes in the different to-be-fused images, and a third shooting element of which the position changes in the different to-be-fused images; when the brightness of the first shooting element meets the first brightness condition and the brightness of the second shooting element meets the first brightness condition, the electronic equipment improves the brightness of the dark frame with the low exposure value in the multiple frames of images to be fused, so that the brightened dark frame serves as an output image. Due to the fact that the exposure value of the dark frame is low, the brightness of the second shooting element with the high brightness in the dark frame can be reduced, overexposure cannot occur, and the abnormal phenomenon of overexposure of the output image can be avoided; moreover, the electronic equipment does not perform fusion processing on the multiple frames of images to be fused, but takes the brightened dark frame as the output image, so that the abnormal phenomenon of ghosting of the output image can be avoided.

The present disclosure provides a pixel data processing method, device, display equipment and storage medium, the method comprises: obtaining the current current threshold of the image to be displayed; in response to the current current threshold being greater than the preset current threshold, adjusting the pixel data of each pixel of the image to be displayed to target pixel data, and closing the IR voltage drop compensation function; output the target pixel data. The present scheme adjusts the current threshold by adjusting and closing the IR voltage drop compensation function, which can ensure that the electronic device displays the image under a small window display ratio with super high brightness in a low power consumption mode, and is beneficial to improving the use experience.

The present invention provides an imaging lens, imaging device, and information processing device that offer a wide angle of view, are bright, high-performance, and can be miniaturized. [Solution] The imaging lens 100 consists of a first lens L1 to a fifth lens L5 arranged in order from the object side, and an aperture diaphragm S between the first lens L1 and the second lens L2. The first lens L1 is either a positive or negative meniscus lens; the second lens L2 is a biconvex positive lens; the third lens L3 is a negative lens with its concave side facing the object; the fourth lens L4 is a positive meniscus lens with its convex side facing the image plane; and the fifth lens L5 is a negative meniscus lens with its convex side facing the object and its concave side facing the image plane.

The invention relates to the field of water-cooling heat dissipation equipment of projection equipment, in particular to a water-cooling heat dissipation system for high-brightness projection equipment, which comprises a heat exchange device for heat exchange and support and two groups of fan shells, and the two groups of fan shells are fixedly arranged at the front part of the heat exchange device. Positioning holes are formed in the four corners of the inner end face of the fan shell. The modular water-cooling radiator is designed, can be flexibly assembled according to the sizes of different projection equipment, has good expansibility, realizes double-loop partitioned cooling, can design a fluid path according to heat source characteristics, improves heat exchange efficiency, can adjust operation of a circulating pump and a fan module according to real-time temperature information, improves overall efficiency and reduces energy consumption, and is suitable for large-scale popularization and application. The water-cooling head is suitable for structural design of an optical dense space and is specially designed for narrow spaces of an optical machine and a light source, so that the cooling effect and the space utilization are both considered.

A head-up display system for vehicles, which has a light source that emits p-polarized visible light, and laminated glass to which the p-polarized visible light is incident from the vehicle interior side, and which displays a virtual image on the vehicle exterior side of the laminated glass. The laminated glass has a p-polarized light reflecting member in a region where the p-polarized visible light is incident, the incident angle of the p-polarized visible light to the vehicle interior side surface of the laminated glass is 42° to 72°, the virtual image includes a main image observed with the highest luminance and a subsidiary image observed with a lower luminance than the main image, and the ratio of the reflectance of the subsidiary image to the reflectance of the main image is at most 30% within the entire range of the incident angle.

The high-beam optical module comprises a light source, a first lens and a second lens, the first lens and the second lens are sequentially arranged in the transmission direction of a light path, the first lens is a convex lens, the focus of the first lens coincides with the focus of the second lens, or the focus of the second lens coincides with the focus of the first lens. The second lens is located between the focal point of the first lens and the first lens; light emitted by the light source sequentially passes through the first lens and the second lens, and then beam shrinkage of the light is achieved in the first direction perpendicular to the light emitting direction. The light rays are emitted after being subjected to beam shrinkage, and the emitted light rays have the characteristics of high light efficiency and high brightness; and beam shrinkage is achieved through cooperation of the first lens and the second lens, the size of the second lens is small, and therefore the high beam optical module is compact in overall structure and low in cost.