49 results about "Color imaging" patented technology

A kind of lead-free perovskite hemispherical photodetector, preparation method and its application in single-pixel lensless color imaging belong to the field of image processing technology.The detector is composed of chromium electrode layer, electron transport layer, perovskite layer, hole transport layer and metal electrode layer from inside to outside on the spherical surface of hemispherical transparent substrate.The perovskite obtained by the application has strong lead-free and excellent stability, outstanding charge carrier transport capacity, high collection efficiency and strong weak light sensing ability.The application uses perovskite for color imaging, directly converts optical signal into electrical signal, has high sensitivity, shows excellent performance with linear dynamic response range of 146dB, and has the advantages of uniform response capacity and uniform thickness.The halide perovskite used by the application has low cost, short preparation time, does not contain toxic element lead, improves the application range of perovskite detector, and reduces the manufacturing cost and time cost of perovskite detector.

Provided is an image forming apparatus for performing an image adjustment in a monochrome image formation mode. In a case where color information for subsequent images includes a color image, the image forming apparatus does not perform an image adjustment in the monochrome image formation mode. Rather, image forming apparatus performs the image adjustment in a color image formation mode in a case where a subsequent color image is formed.

The invention discloses a double-light-source cooperative control method for a camera, and the method comprises the steps: obtaining the automatic exposure statistical information of an image and an AI target detection result in real time during the operation of a camera system; evaluating image quality based on the automatic exposure statistical information, and deciding whether to turn on an infrared lamp and switch the system to a black and white imaging mode according to an evaluation result; in the black and white imaging mode, if a preset key target is identified based on an AI target detection result, turning on a white light lamp, turning off an infrared lamp and switching the system to a color imaging mode, and if not, deciding whether to switch to the color imaging mode or not according to ambient illuminance; and in the color imaging mode, after the key target disappears, deciding whether to turn off the white light lamp and switch back to the black and white imaging mode or turn off all light sources and maintain the color imaging mode based on the current automatic exposure statistical information. According to the invention, the active color imaging capability for important targets is improved and ensured, and the energy consumption and light pollution of the system are obviously reduced.

The embodiment of the invention provides an imaging method and device, electronic equipment and a medium, and is used for solving the problem that a full-color imaging partial region is fuzzy under the condition of no light supplement in the related technology. According to the embodiment of the invention, the image sensor is provided with a plurality of optical filters with different thicknesses, and the optical filters with different thicknesses can improve the definition of the areas where the objects with different object distances collected in the image are located, so that the objects with different distances can present clearer details in the multi-frame image. Moreover, after the collection instruction is received, the image collection equipment correspondingly adjusts the focusing parameters of the image collection equipment according to the optical filters with different thicknesses to ensure that each optical filter can work in the corresponding optimal focusing state, and in this way, the image collection equipment can collect multiple frames of images, so that the image collection efficiency is improved. Part of the area in each frame of image has high definition. And fusion processing is carried out on the clear areas in the collected multiple frames of images, so that an overall clear target image can be obtained.

The application provides a heat transfer printing method and an article containing a heat transfer printed image, the heat transfer printing method comprising the following steps: S1: a host computer controls a process cartridge to print carbon powder on a transfer belt according to a preset pattern to form a visible image; S2: the host computer controls the transfer belt to move the visible image formed in the step S1 above a first heating device; S3: a material to be transferred is placed on a bearing part, and a side of the material to be transferred, which needs to be transferred with a pattern, faces the transfer belt; and S4: the host computer controls a heating part to heat, so that heat sublimation dyes in the carbon powder sublimate, and thus the visible image is transferred onto the material to be transferred at one time. The carbon powder is used as a medium to realize the heat transfer printing image transfer process, and the transfer process time is short, the cost is relatively low, and the transfer quality is improved. Meanwhile, one-time color imaging can be realized, and the imaging is transferred again, and the one-time multi-color imaging and one-time heat transfer printing technology bring better printing effect and more convenient operation.

The application discloses a pipeline deformation detection data pseudo-color imaging method and device and a storage medium. The method comprises the following steps: acquiring original pipeline deformation detection data collected by multiple acquisition channels for a target pipeline; performing layer-by-layer singular value decomposition on the original pipeline deformation detection data; determining an optimal decomposition layer in each decomposition layer based on approximate pipeline deformation detection data, accumulating the detail pipeline deformation detection data of each acquisition channel of the optimal decomposition layer to obtain total detail pipeline deformation detection data; determining a feature position of the total detail pipeline deformation detection data greater than a preset threshold, replacing the approximate pipeline deformation detection data of the optimal decomposition layer at the feature position with original pipeline deformation detection data at the corresponding position to obtain denoising pipeline deformation detection data; performing baseline correction, data repair and data enhancement operations on the denoising pipeline deformation detection data, and generating a pipeline pseudo-color image based on the processed pipeline deformation detection data in each acquisition channel.

An inkjet image forming apparatus includes aa shite-ink head unit, a precoating head unit, and a color-ink head unit. The white-ink head unit ejects white ink to a printing substrate conveyed in a predetermined conveying direction. The precoating head unit ejects a precoating liquid to the printing substrate. The color-ink head unit is arranged on a downstream side of the white-ink head unit and the precoating head unit in the conveying direction, and ejects color ink other than the white ink to the printing base material. The white ink is ejected from the white-ink head unit to a white image forming region of the printing substrate. The color ink is ejected from the color-ink head unit to a color image forming region of the printing substrate after the white ink is ejected from the white-ink head unit or after the precoating liquid is ejected from the precoating head unit.

A color imaging system high-precision chromaticity characterization method based on decoupling calibration mapping belongs to the technical field of image processing, provides a decomposed end-to-end framework, combines a standard color card and hyperspectral data to construct an RGB-CIE XYZ paired reference, and standardizes real shooting environment calibration and a dynamic range. The dimensional consistency of training and reasoning is realized; the chromaticity characterization process is explicitly divided into three stages of primary color linear conversion, spatial residual compensation and monotonic channel nonlinear mapping. Experimental results show that the method is superior to CCM, PLS, SVR, BPNN and other comparison methods in the aspects of color difference precision and the like; according to the method, the color cast correction result of the CCM can be further corrected on the premise that artifacts are not introduced, unification of high-precision characterization and real shooting availability is verified, and an efficient and accurate new thought is provided for high natural display of a color imaging system.

This invention discloses a rapid multicolor imaging method based on dual-channel brightness encoding of fluorescent probes. The method is based on a dual-channel multicolor fluorescence microscopy imaging system and includes the following steps: S1, determining the characteristics of the dual-channel multicolor fluorescence microscopy imaging system and the spectral characteristics of each optical element; S2, analyzing the system components, dividing the system into excitation and emission optical paths, and encoding the components in each optical path; S3, encoding the actual brightness of different fluorescent probes in the system at each excitation wavelength; S4, screening fluorescent probes supported by the system; S5, determining whether the fluorescent probes satisfy simultaneous two-color imaging and time-division imaging; and S6, matching fluorescent probe combinations based on the brightness encoding to achieve multicolor imaging. This invention theoretically calculates whether the brightness of fluorescent probes at each excitation wavelength can be imaged and encoded in the dual channels, evaluates the feasibility of simultaneous detection in dual channels with single-wavelength excitation, and rapidly matches fluorescent probe combinations to achieve fluorescence multicolor imaging.

The utility model relates to an imaging chip comprising a multispectral imaging unit. The imaging chip comprising the multispectral imaging unit comprises imaging pixel units arranged periodically, and each imaging pixel unit comprises imaging pixels based on a predetermined imaging array and used for imaging and multispectral pixels different from the imaging pixels and used for multispectral imaging, the multi-spectral pixels replace one or more imaging pixels to form at least one multi-spectral imaging unit, and the sum of the number of the imaging pixels in the multi-spectral imaging unit and the number of the pixel types of the multi-spectral pixels is larger than or equal to five. The multispectral imaging unit forms a rectangular array composed of imaging pixels and multispectral pixels. Thus, the imaging pixel unit used for imaging is provided with the imaging pixel containing five or more kinds of pixels and the multispectral pixel, spectral imaging and color imaging are integrated in the same imaging chip, and more accurate color restoration is achieved.

The present invention belongs to the technical field of monitors. Disclosed is a baby monitor with a power-saving mode and low-light full-color imaging, the baby monitor comprising a camera unit and a monitor display unit. The monitor display unit comprises a display back-end load, a display communication module and a first power source controller, wherein the turning on / off of a power supply circuit of the back-end load can be controlled by means of module sleep and / or the power source controller; and the camera unit comprises a camera communication module and a camera back-end load, wherein a color image collected by the camera back-end load is transmitted to the monitor display unit by means of the camera communication module, such that the camera back-end load can collect color images under low-light conditions, accurately reproduce scene colors, and can clearly present details, and a sleep mode and power source control of the monitor display unit can reduce power consumption and reduce battery consumption, thereby extending a battery service life or reducing energy consumption, and reducing costs. Thus, the problem in existing displays of power consumption in a power-saving mode being continuous is effectively avoided, thereby improving the energy utilization efficiency, and making the monitor more energy-efficient and environmentally friendly while meeting monitoring requirements.

Embodiments of the present application disclose an image processing method and device, the method comprising: detecting a face region in an image; adjusting an exposure value of the detected face region to be within a preset exposure range interval, wherein the exposure value within the preset exposure range interval does not cause color deviation of the face region; performing white balance calibration on the face region after the exposure value adjustment according to face color imaging standard data to obtain a processed image, wherein the face color imaging standard data is used to represent color imaging states of faces with different skin colors under ideal lighting conditions. The technical solution of the embodiments of the present application can automatically perform white balance calibration on an image based on face color, and can restore the color of a face in an image collected under a complex lighting environment, thereby avoiding the problem of face payment failure.

The application discloses an integral detection X-ray color imaging method, which adopts an X-ray tube to emit a wide-spectrum X-ray beam, which penetrates through a detected object and then irradiates an energy-discriminating integral X-ray detector. The detector first selects a high-thickness photon absorber to completely deposit different wavelengths of X-ray energy; then, high-energy X-ray photons have a deep deposition depth, low-energy X-ray photons have a shallow deposition depth, and the photogenerated carrier recombination rate of different X-ray deposition positions is regulated by changing the bias voltage of the detector, so that the detection signals generated by different energy X-ray photons are converted into a nonlinear programming problem; through the optimization solution of the nonlinear programming, the energy and intensity information of the incident X-ray are identified. The method has obvious advantages in detection speed and price.

The invention provides a full-color imaging enhancement method and device, computing equipment and a storage medium, which are used for minimizing color reconstruction distortion after decoding under real-time constraints. The method comprises the following steps: performing neighborhood chrominance up-sampling analysis on a current pixel block in original image frame data according to a traversal sequence to obtain predicted chrominance data for reconstructing the current pixel block, and performing linear transformation of RGB space and reconstruction error analysis on the current pixel block according to the predicted chrominance data to obtain a distortion measure function of the current pixel block, and performing global optimal solution on the distortion measure function to obtain an optimal imaging adjustment parameter group of the current pixel block, and performing one-by-one optimization of the pixel blocks on the original image frame data according to the optimal imaging adjustment parameter group to generate full-color enhanced image data.

The invention provides an all-round dynamic holographic three-dimensional display system, which comprises a light source module used for generating red, green and blue three-color high-coherence parallel light; the color imaging device is used for respectively loading red, green and blue three-color holograms and generating reproduction light; the combined prism is used for realizing beam splitting of the illumination light and beam combination of the reproduction light; the filtering and amplifying module is used for performing single side band filtering on the reproduced light to remove zero-order light, a conjugate image and high-order diffraction order, and amplifying and imaging a hologram in the air to form a display screen; the rotary scanning module comprises a hollow or coaxial rotating motor and a scanning structure composed of a lens and a reflecting mirror, and is used for emitting light emitted by the display screen at an inclined angle and realizing 360-degree conical scanning in the horizontal direction and seamless splicing of the window through high-speed rotation; the directional holographic scattering film is arranged in the real image reconstruction area, only provides a scattering angle in the vertical direction, and is used for expanding a vertical visual angle without influencing the horizontal resolution; the synchronous control module is used for synchronously controlling the refresh rate of the color imaging device and the rotating speed of the motor; and the three-dimensional data processing module is used for generating and transmitting a holographic video sequence. The system can realize color dynamic three-dimensional display with 800 windows, 0.45-degree visual angle resolution and more than 24 frames per second, has the capabilities of aerial suspension imaging, no visual angle shielding, smooth motion parallax and multi-user naked eye viewing, and remarkably improves the immersion and practicability.

1. Name of the product in this design: Full-color fixed-focus camera (black light night vision series). 2. Purpose of this design: It is used for all-weather surveillance cameras, employing starlight-level full-color imaging technology to acquire high-quality full-color video images even in extremely low-light environments. 3. The key design feature of this product is its shape. 4. The picture or photo that best illustrates the key design points: Design 1 3D diagram 1. 5. Design 1 is designated as the basic design.

The invention discloses a night vision omni-directional tracking ball machine holder, which relates to the field of monitoring equipment and comprises an omni-directional driving module, an AI intelligent tracking system, an optical zoom imaging module, a night vision full-color enhancement module and a scene cooperative control unit. The omni-directional driving module realizes dead-angle-free high-precision adjustment through three-axis linkage; the AI system identifies multiple targets and predicts a trajectory to generate a tracking instruction; the optical zoom module automatically adjusts multiplying power according to a target distance, and the ultra-low-level light assembly collects high-definition data; the night vision module is linked with the AI and the zoom module for dynamic parameter adjustment, and full-color imaging is realized without light supplement; and the scene unit coordinates parameters of each module. The method improves the night omnidirectional tracking precision and imaging quality, and is suitable for a complex monitoring scene.

Systems and methods for multi-color imaging using a microscope system. The microscope system can have a relatively small size as compared to an average microscope system. The microscope system can include various components configured to reduce or eliminate image artifacts such as chromatic aberrations and / or noise from stray light that can occur during multi-color imaging. The components can be configured to reduce or eliminate the image artifacts, and / or noise without substantially changing the size of the microscope system.

This invention employs a simplified optical structure. The eyepiece objective uses a combination of a meniscus lens and a set of cemented lenses to achieve a wide field of view for fundus imaging. The fewer lenses not only reduce the weight of the lens but also decrease stray light caused by reflections from the lens surfaces. Furthermore, the eyepiece objective uses a spherical cemented surface, which facilitates the cementing and processing of the lenses. The aspherical surface designed in this invention does not exhibit curvature, making it easy to process and inspect; the optical path does not have significant bends, allowing for larger tolerances and easier assembly. This invention offers a long working distance, ensuring patient comfort during imaging; it has high resolution, with a fundus resolution of approximately 10µm; and an image distance / focal length ratio >0.6, reducing stray light caused by reflections from the lens surfaces. While maintaining high resolution and eye comfort, this invention further increases the range of fundus imaging, providing a 110° image-square field of view, corresponding to an ultra-wide-angle 165° field of view for fundus imaging.

The application discloses a synchronous spectrum and color imaging system and method based on multi-spectrum feature coding. The system comprises: a multi-feature illumination module for generating at least two groups of wide-spectrum light with different spectral power distributions; an image acquisition module comprising at least one multi-channel image sensor for capturing the response of an object under test under different wide-spectrum light in a synchronous timing to obtain original observation data containing spatial, channel and time multi-dimensional information; a synchronous control module for coordinating the switching sequence of the multi-feature illumination module and the exposure timing of the image acquisition module; and a calculation and reconstruction module for directly generating a color image through color space mapping for the original observation data under the first wide-spectrum illumination light, and for carrying out inverse operation on the original observation data under the second wide-spectrum coding light based on a preset spectrum reconstruction model to obtain continuous spectrum data. The application can simultaneously detect an RGB image and perform spectrum restoration, and can effectively reduce the cost and system complexity.

The invention relates to a color imaging method of multispectral imaging equipment and the multispectral imaging equipment. The color imaging method of the multispectral imaging equipment comprises the following steps: acquiring a multispectral image from a multispectral imaging sensor of the multispectral imaging equipment; calculating a tristimulus value of each pixel of the multispectral image in a predetermined color space to determine an object color tristimulus value and a white point tristimulus value of a source end; obtaining a preset white point tristimulus value of a target end; based on the white point tristimulus value of the source end and the white point tristimulus value of the target end, calculating an object color tristimulus value of the target end after color adaptation of the object color tristimulus value of the source end through a color adaptation transformation algorithm; and based on the target end object color tristimulus value, obtaining an imaging image of which color restoration is completed. In this way, accurate color imaging with the color closer to the color of a real subject is achieved.

The invention belongs to the technical field of spectral imaging, and particularly relates to a color imaging method for a high-speed camera. The method comprises the following steps: S1, acquiring an original image output by a detector; s2, setting binary masks arranged in a 2 * 2 array, and processing the original image by using the binary masks; s3, restoring the panchromatic channel sparse image; s4, carrying out adaptive boundary detection on the panchromatic channel restored image; s5, obtaining an R channel image, a G channel image and a B channel image; s6, converting the R channel image, the G channel image and the B channel image into HSV images; and S7, keeping the H component and the S component unchanged, and performing reverse conversion in combination with the corrected V component to obtain an RGB image. The method can be applied to complex scenes with different brightness and noise.

Imaging devices, systems, and methods for performing image analysis operations on an object that is partially mirrored are described herein. An example device includes: an imaging assembly including at least one imaging sensor having capability to capture monochromatic image data and color image data; and a computer-readable medium storing machine readable instructions that, when executed, cause the one or more processors to: capture, via the imaging assembly, image data of the object in the FOV, the image data including decode indicia data; decode the decode indicia data to generate scan data associated with the object; responsive to decoding the decode indicia data, capture, via the imaging assembly, one or more color images of the object in the FOV; and when at least one color image of the object meets a predetermined criterion, automatically associate the scan data with the color image.

The invention, which relates to the video monitoring equipment field, discloses a multi-lane snapshot night vision gun camera comprising a multi-lane synchronous imaging module, an algorithm pre-processing unit, an AI scene segmentation identification system, a night vision full-color optimization module and a snapshot cooperative control unit. The multi-lane synchronous imaging module generates an independent lane image flow through a multi-sensor array, and target interference is avoided; the algorithm preprocessing unit lightly preprocesses the image, reduces the bandwidth and improves the efficiency; the AI system performs multi-branch segmentation identification on vehicles, lane lines and associated tracks to generate snapshot conditions; the night vision module dynamically adjusts parameters according to AI feedback, and full-color imaging is achieved without light supplement; and the snapshot unit synchronizes the shutter and marks lane attributes. According to the invention, the problems of multi-lane imaging overlapping, night vision color difference and snapshot delay of a traditional gunlock are solved, the night multi-lane snapshot accuracy and efficiency are improved, and the gunlock is adaptive to complex traffic scenes.

The invention relates to the technical field of aircraft landing gear wear degree detection, and provides a wear degree detection system and method based on image recognition, and the system comprises an image collection unit which is used for obtaining image data of a target tire tread in a detection state, the image acquisition unit at least comprises a structured light projection module and a high-resolution color camera, the structured light projection module is used for projecting a coded light pattern to a tread, and the image processing and analyzing unit is in communication connection with the image acquisition unit and is used for receiving image data. Through combination of structured light three-dimensional reconstruction and high-resolution color imaging, the key safety parameter, namely the depth of a pattern groove, can be accurately measured, two-dimensional texture defects such as tread cuts and cracks can be synchronously identified, positioned and quantified, the fusion decision-making unit carries out correlation analysis on the two types of information, and the judgment result is more accurate. And a tire health state portrait which is more comprehensive and more stereoscopic than single depth measurement is provided.

An object is to provide multi-plate and single-plate color imaging devices each having a wide dynamic range and being capable of flexibly exercising light reduction control for each color while employing filters of a minimal configuration. The multi-plate imaging device includes: a movable polarization filter that polarizes incident light; a rotation mechanism that rotates the movable polarization filter with respect to an optical axis; and a fixed polarization filter installed at a prescribed angle on a front face of an image sensor that receives red light and blue light. The red light and the blue light are reduced according to a rotation angle of the movable polarization filter. The single-plate imaging device includes: a movable polarization filter that polarizes incident light; a rotation mechanism that rotates the movable polarization filter with respect to an optical axis; and an image sensor having a color Bayer array in which a polarization filter positioned at a prescribed angle is installed with red and blue color filters. Red light and blue light are reduced according to a rotation angle of the movable polarization filter.

Systems and methods for multi-depth ultrasound imaging with a multi-frequency probe are described, which include a multi-array ultrasound scanner used to form a composite ultrasound image balancing image properties such as resolution, signal-to-noise ratio, and penetration. The multi-array ultrasound scanner includes two or more ultrasound transducer arrays capable of producing ultrasound radiation at two or more different frequencies configured to access two or more different depths in a subject. Two or more ultrasound signals with the two or more different frequencies are transmitted to a target, causing one or more return signals used to generate the composite ultrasound image. The ultrasound system can include a controller that implements uneven sampling so that regions outside a region of interest (ROI), far-field regions, regions without color when color imaging, and the like, are sampled less than more important regions, such as anatomies within an ROI, thus increasing a frame rate.

The application discloses a kind of RGBW sparse array image sensors based on super-structured surface color routing.The image sensor includes the super-structured surface layer above and the pixel layer below;Wherein, pixel layer is composed of multiple pixel units period close arrangement, each pixel unit includes 2x2 period arrangement sub-pixel unit, each sub-pixel unit includes 1 color pixel and 3 white pixels, 16 pixels of 4 sub-pixel units form 4x4 period arrangement RGGB sparse bayer array in a pixel unit;Super-structured surface layer is composed of 2x2 super-structured unit arrangement, each super-structured unit is consistent with 4 pixels size of 1 sub-pixel unit.The application has polarization insensitive characteristics and CMOS process compatibility, can significantly improve the light collection efficiency of image sensor in low-illumination environment, enhance color imaging capability.

1. Name of the product in this design: Full-color fixed-focus camera (black light night vision). 2. Purpose of this design: It is used for all-weather surveillance cameras, employing starlight-level full-color imaging technology to acquire high-quality full-color video images even in extremely low-light environments. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This invention provides a light field microscopy imaging system based on rare-earth upconversion materials, comprising: a first light source, a second light source, a third light source, a spatial filtering module, a first dichroic mirror, a second dichroic mirror, a third dichroic mirror, an aperture, a multi-channel filtering module, an objective lens, a tube lens, a microlens array, and a sensor. Light of different wavelengths emitted from the first, second, and third light sources is transmitted through the spatial filtering module to the corresponding first, second, and third dichroic mirrors. The first, second, and third dichroic mirrors are spatially aligned and beam-combined through the aperture. The combined three-color light sources are focused into the objective lens to achieve wide-field illumination. The rare-earth upconversion material-labeled sample is excited and transmitted through the multi-channel filtering module to the tube lens to form an image. The microlens array is located at the focal point of the tube lens, and the sensor is located at the focal length of the microlens array for recording the three-color imaging of the sample.