210 results about "High luminance" patented technology

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 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 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.

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.

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.

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.

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 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.

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.

Task: To achieve a high luminance efficiency for each of the light rays from two light sources. Solution: A head-up display device 100 has a movable corrective mirror 130 located on the optical path of a display light L1 representing a virtual image IMG1, and is designed to pivot between a reflection position, in which a display light L2 representing a real image IMG2 is reflected onto a windshield 30, and a retracted position, in which the movable corrective mirror 130 is withdrawn from the optical path of the display light L1 representing the virtual image IMG1, and a drive mechanism 133 that drives the movable corrective mirror 130 to pivot it between the reflection position and the retracted position. A liquid crystal display panel 111 is arranged on the opposite side of a reflective surface of the movable corrective mirror 130.When the movable correction mirror 130 is pivoted into the reflection position, the indicator light L2 is emitted onto the windshield 30, allowing the driver 40 to visually perceive the real image IMG2. When the movable correction mirror 130 is pivoted into the retracted position, the indicator light L1 is emitted onto the windshield 30, allowing the driver 40 to visually perceive the virtual image IMG1.

A defect in an edge region of a wafer is detected with high sensitivity. A defect detection device (50) comprises: a data input interface (51) configured to acquire parameters used for defect detection; an image input interface (52) configured to acquire a captured image of a wafer; and a control unit (53) configured to analyze the acquired image based on the parameters and detect a defect in the wafer. The parameters include a threshold for detecting a protruding defect and a defect determination level.The control unit (53) extracts a rectangular area from a captured image, containing a ring-shaped image that shows an edge of the wafer, as an image of a region of interest (ROI); generates a binarized image by binarizing the ROI image such that a higher luminance value is set as a first value and a lower luminance value is set as a second value, based on the threshold for detecting a protruding defect; acquires image coordinates corresponding to an inner circumference of an area represented by the first value in the binarized image as inner circumference coordinates; calculates degrees of variation of irregularities in a circumferential direction of the inner circumference coordinates as coordinate difference values; and detects the defect by comparing the coordinate difference values ​​with the defect determination degree.

This invention provides a real-time hardware high dynamic range (HDR) synthesis method and camera with dual-gain grayscale characteristics, relating to the field of optical imaging technology. The method acquires dual-gain image data using a deployed sensor with high and low gain channels; performs noise suppression processing on the acquired dual-gain image data and non-uniformity correction to obtain preprocessed image data; fuses the high-gain and low-gain images into a HDR image through image fusion, and enhances the image signal-to-noise ratio and readout speed by merging adjacent pixels; verifies the dynamic range, image quality, and processing speed of the synthesized HDR image through actual shooting tests. This invention provides a dual-gain channel foundation for HDR synthesis by simultaneously outputting high-brightness and low-brightness images through the sensor's multi-gain channels. By synthesizing images with different gains, the dynamic range of the image can be significantly improved while maintaining image detail and quality.

The invention discloses a low-illumination image enhancement method based on a double-branch decoupling network and multi-mode perception, and belongs to the technical field of computer vision and image processing. According to the method, a dual-branch decoupling architecture with a channel self-attention recovery network as a trunk is constructed, the dual-branch decoupling architecture comprises a high-brightness attention branch and a low-brightness attention branch, and differentiation recovery is carried out on a bright part region and a dark part region in an image; in order to realize accurate decoupling, a brightness loss attention algorithm is designed, and each branch is guided to concentrate on feature extraction of a specific illumination region by using an adaptive mask strategy; meanwhile, in combination with CLIP multi-mode loss, the generated image is guided to approach to a high-quality visual style by means of text semantic information; and finally, performing deep fusion and up-sampling on the double-branch features through an RCAB ultra-resolution module, and outputting a high-resolution enhanced image. According to the method, the technical problems of illumination optimization conflict caused by global processing in low-illumination image enhancement and overhigh computing power consumption of high-resolution image processing are solved.

The invention discloses an XFCT (X-ray fluorescence computed tomography) imaging system based on a Thomson scattering X-ray source, and belongs to the technical field of X-ray imaging, the XFCT imaging system comprises a sample to be detected, an X-ray source module, a sample rotating table, a projection detection module, a sample attenuation detection module and an image reconstruction module; the system structure is adopted, the newly-arranged excitation source and the porous collimator are adopted, the imaging effect is improved, specifically, a Thomson scattering X-ray source is used as the excitation source of XFCT, and the source has the advantages of quasi-monochromaticity, adjustable energy, linear polarization, high brightness, compact structure and the like; the multi-hole collimator is used for collecting signals in parallel, and the sensitivity of the imaging system is remarkably improved while the resolution ratio is kept. The Thomson scattering X-ray source and the porous collimator are combined to be used for XFCT, and the imaging efficiency of the XFCT can be remarkably improved.

This invention discloses a method for rapidly locating thin regions of samples using a spherical aberration transmission electron microscope (HAADF) and adjusting the image. The steps are as follows: 1) In HAADF imaging mode, move the sample stage at low magnification to find unexposed samples and perform high-magnification atomic-resolution imaging on them. If the image signal-to-noise ratio is low and details are blurred due to excessive sample thickness, increase the image brightness or contrast until the sample signal is overexposed. 2) Reduce the magnification and continue searching for unexposed samples. Perform high-magnification atomic-resolution imaging on them. If the image signal-to-noise ratio is still low due to excessive sample thickness, continue to increase the brightness or contrast to overexpose the sample. 3) Repeat step 2) to find new unexposed locations, gradually filtering out thicker samples. Finally, a sample that is found and magnified to obtain an atomic-resolution image with high signal-to-noise ratio and clear details is identified as the target thin region of the sample. This adjustment method is efficient and accurate.

The utility model discloses a Micro LED micro display screen divergence angle testing device. The device comprises a bearing base; a vertical rod is longitudinally connected to the bearing base in a sliding mode. The vertical rod is connected with a limiting device for limiting the vertical rod; an XYZtheta four-axis platform used for adjusting the horizontal position, the height position and the inner angle in the horizontal direction is mounted on the bearing base; a display screen fixing vertical frame for detachably fixing a micro display screen is mounted above the XYZ theta four-axis platform; the vertical rod is provided with a plurality of vertically-arranged inserting hole sets. A probe is inserted into one of the multiple groups of insertion hole groups; and the probe is connected with the spectrograph through an optical fiber. According to the scheme provided by the utility model for the divergence angle test of the Micro LED micro display, the visual angle detection of a backlight type display screen or a screen with lower brightness can be compatible; according to the invention, the divergence angle of any position of the active light-emitting micro display screen can be tested, and detection of ultrahigh brightness can be supported.

The invention relates to the technical field of image processing, and discloses an image detection method, electronic equipment, a readable medium and a program product. According to the image detection method, the first pixel number of the high-brightness area of the image and the second pixel number of the low-brightness area of the image are compared to evaluate the maskiness degree of the image, so that the maskiness degree of the image can be evaluated in a quantifiable manner, and the objectivity of evaluation is improved.

The present application relates to the technical field of image processing, and provides an image processing method and apparatus, a device, and a storage medium. The method comprises: when the illuminance of a target environment is less than an illuminance threshold and a dynamic range is greater than a dynamic range threshold, on the basis of brightness information of a live picture of the target environment, determining an environment type corresponding to the target environment, wherein the environment type is used for representing an illuminance level of the target environment and the proportion of a high-brightness region, and the brightness of the high-brightness region is greater than a preset brightness; and then on the basis of the environment type, performing, in a targeted manner, brightness adjustment on an initial image acquired for the target environment, so as to obtain a target image.

A driving system to be disposed within a vehicle. The driving system includes a camera, a first controller, a light controller, and a second controller. The camera is used for sensing images in front of the vehicle. The first controller is electrically connected to the camera and is used for identifying a same-direction vehicle and an opposite-direction vehicle of the vehicle in the image. The light controller is used for being arranged on a windshield of a vehicle. The second controller is electrically connected to the first controller and the light controller. The second controller analyzes the image and converts the camera view high-brightness position coordinate with the brightness greater than or equal to a brightness threshold value into a driving view high-brightness position when the brightness is greater than or equal to the brightness threshold value in the position of the opposite vehicle in the camera view of the opposite vehicle. And then the light controller is controlled to reduce the light transmittance at the high-brightness position of the driving visual field. The invention also provides an anti-dazzle method for the driving system.

The invention provides a brightness adjusting method, electronic equipment, a storage medium and a computer program product. The method comprises the following steps: for each image frame in an HDR video, determining a brightness gradient value corresponding to each pixel of the image frame; the brightness gradient value is used for reflecting the brightness change of the pixel value of the pixel and the adjacent pixel value; obtaining a battery SOC coefficient of a device used for displaying the image frame; determining a brightness adjustment coefficient of the image frame based on the brightness gradient value corresponding to each pixel of the image frame and the battery SOC coefficient; and adjusting the brightness of the image frame based on the brightness adjustment coefficient. According to the invention, the display quality of the image frame after brightness adjustment can be improved.

A vehicle display device that displays a virtual image with high brightness while suppressing the enlargement of a backlight unit. The vehicle display device includes a display (10) of a light-transmitting type; a backlight unit (20) that projects light to a back surface (10a) of the display to cause display information to be emitted as display light from a front surface (10b) of the display; at least one reflection member (40) that reflects the display light emitted from the display and projects the display light to a projection target (Rwf); and an external housing (51) that houses the members, the backlight unit including a light source (21), a Fresnel lens (22) that causes emergent light of the light source to be incident from an incident surface (22a) and emitted as parallel light orthogonal to the incident surface from an emission surface (22b), and a microlens (23) that causes the parallel light to be incident from an incident surface (23a) and emitted as diffused light from an emission surface (23b) toward the back surface of the display, the Fresnel lens and the microlens being arranged so that the emission surface (22b) faces the incident surface (23a).

The invention relates to a control method of a self-illumination imaging device, electronic equipment and a system, and belongs to the technical field of illumination detection.The method comprises the steps that a miniature light-emitting diode is controlled to emit light, and a photoelectric signal, detected by a charge coupler, of a current time window is obtained; integrating the photoelectric signal to obtain an actual integral quantity, and judging whether a set brightness adjustment condition is met or not based on the actual integral quantity; and if the set brightness adjustment condition is met at present, controlling the light emitting brightness of the micro light emitting diode to be reduced to a set light emitting brightness value, and adjusting parameters of the charge coupler, so that the gray value of the image data generated by the charge coupler falls within a set gray range. The light-emitting brightness of the micro light-emitting diode is reduced when the micro light-emitting diode works at high brightness for a long time, the heat effect is reduced, the service life is prolonged, the exposure parameters of the charge coupler are adjusted, and stable imaging quality is ensured.

The application relates to the technical field of image processing, and provides an image fusion method and device, a storage medium and an electronic device. The image fusion method comprises the following steps: acquiring a plurality of first-type images, the exposure compensation values of the first-type images are all different, and the exposure compensation values of at least two of the first-type images are non-positive numbers; calculating a first-type weight image between each two adjacent first-type images; calculating a highlight image corresponding to each first-type image with a non-positive exposure compensation value; calculating a real highlight image containing a highlight region and / or a white region according to each two adjacent highlight images; correcting a weight value in the corresponding first-type weight image by using the real highlight image; and performing weighted fusion on the plurality of first-type images by using at least the corrected first-type weight image, so as to obtain a final fusion image. The method can effectively improve the problem of grayness in the high-luminance region or the white region of the fusion image, and improve the quality of the fusion image.