27 results about "Color plane" patented technology

The invention provides an image enhancement method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining an intensity component of a to-be-enhanced image in an sRGB color space, and an original hue component and a saturation component of the to-be-enhanced image in an HSV color space; determining a color density modulation factor, a perception hue and a saturation adaptive factor according to the intensity component and the original hue component; determining a color plane component of the image to be enhanced in the HVI color space according to the color density modulation factor, the saturation component, the saturation adaptive factor and the perceptual hue; and inputting the enhanced intensity component, the color density modulation factor, the saturation adaptive factor and the enhanced color plane component into a reverse conversion module to obtain an enhanced image in the sRGB color space, thereby effectively overcoming the inherent defects of the traditional color space in low-light image enhancement.

The invention relates to a method and apparatus for signaling information about chroma format. According to the present disclosure, an image decoding method performed by a decoding device comprises the steps of: receiving a bitstream including prediction information for a current block; deriving a chroma array type for the current block based on individual color plane flags indicating whether the three color components are respectively compiled and a chroma format index indicating a chroma format sampling structure for the current block, the chroma format index and the individual color plane flags being included in prediction information for the current block; deriving a prediction sample of the current block based on the derived chroma array type; and deriving a reconstructed sample of the current block based on the prediction sample.

The disclosed systems and methods provide for automatically generating digital color palettes associated with user interest colors. A method may include receiving, by a computer, a user interest digital color value, retrieving a color palette ruleset having rules to provide Boolean outputs indicating whether a color palette rule is satisfied by candidate color values, applying the color palette ruleset to the user interest color value, and identifying digital color values for a digital color palette associated with the user interest color value. Identifying the digital color values can include: identifying a complement color value to the user interest color, identifying a neutral gray color corresponding to the user interest color, mapping the user interest color, complement color, and neutral gray color in a 3D color plane, and applying triangulation techniques to identify a subset of color values within a triangular range according to the color palette ruleset.

A printing system is disclosed. The printing system includes at least one physical memory device to store calibration logic and one or more processors coupled with the at least one physical memory device to execute the calibration logic to generate a second halftone design to calibrate ink deposition of a print system for each of the plurality of color planes based on first ink deposition data, second ink deposition data, a printer transfer function and a first halftone design, wherein the first ink deposition data, the second ink deposition data and the printer transfer function are associated with the first halftone design.

The utility model provides a color plane inspection collection device with automatic defogging and quick release structure, including shell and the color camera, laser, temperature sensor and defogging temperature regulating piece that are all encapsulated in the shell, is provided with the window and quick release external interface on the shell, temperature sensor sets up in the window vicinity or with the window inner surface contact, defogging temperature regulating piece is attached to the window inner surface and is electrically connected with temperature sensor, color camera and laser all face the window and color camera field of vision range is less than laser light filling range, quick release external interface adopts plug -in quick release structure, including the socket main part and the plug main part that cooperate with each other, the socket main part is connected or disconnected through hand dialing buckle and the locking or release plug main part of engaging structure. Realized the quick and accurate collection of railway bed color high definition image, the tool quick release design of exempting from is convenient for later period debugging maintenance, still can ensure that the device stable operation under the bad environment such as big temperature difference and high humidity, provides reliable guarantee for the railway operation safety.

Systems, devices, and methods for collection, editing, and playback of data collected from an imaging system for generating a virtual perspective of a scene are disclosed. In one example perspective, an imaging system includes a camera array configured to capture multiple images of a scene. Each of the multiple images includes color data represented in a Bayer pattern that includes a blue channel, two green channels, and a red channel. The system also includes an image processing device configured to receive the multiple images captured by the camera array, split each of the multiple images represented in the Bayer pattern into four individual color planes, form at least one set of data by combining the four individual color planes of the multiple images, and compress the at least one set of data.

A virtual reality (VR) and / or augmented reality (AR) display system is configured to control a display using control information that is embedded in or otherwise included with imagery data to be presented through the display. The control information can indicate depth plane(s) and / or color plane(s) to be used to present the imagery data, depth plane(s) and / or color plane(s) to be activated or inactivated, shift(s) of at least a portion of the imagery data (e.g., one or more pixels) laterally within a depth plane and / or longitudinally between depth planes, other adjustment(s) to the virtual imagery, and / or other suitable controls.

An image decoding method performed by a decoding device according to the present disclosure comprises the steps of: receiving a bitstream including prediction information for a current block; deriving a chroma array type for the current block on the basis of a separate color plane flag indicating whether three color components are separately coded and a chroma format index indicating a chroma format sampling structure for the current block, which are included in the prediction information for the current block; deriving prediction samples for the current block on the basis of the derived chroma array type; and deriving reconstructed samples for the current block on the basis of the prediction samples.

The present invention discloses a video encoding system for processing at least one block of at least one image of a video. The video encoding system includes an encoding process and a decoding process that respectively provide or use signaling information related to the video, wherein the signaling information includes at least information indicating the presence of a chroma offset value, wherein when chroma is present and a separate color plane is not used, the information indicating the presence of the chroma offset value is set and the signaling information further includes information indicating the chroma offset value, and wherein when chroma is absent or a separate color plane is used, the information indicating the presence of the chroma offset value is reset and no further signaling is sent to the information indicating the chroma offset value.

The invention relates to a method and apparatus for signaling information about chroma format. According to the present disclosure, an image decoding method performed by a decoding device comprises the steps of: receiving a bitstream including prediction information for a current block; deriving a chroma array type for the current block based on individual color plane flags indicating whether the three color components are respectively compiled and a chroma format index indicating a chroma format sampling structure for the current block, the chroma format index and the individual color plane flags being included in prediction information for the current block; deriving a prediction sample of the current block based on the derived chroma array type; and deriving a reconstructed sample of the current block based on the prediction sample.

To provide an image processing device that allows a user to obtain a color management result intended by the user without changing a color profile created on the assumption that color management processing is to be performed before overprint processing.SOLUTION: An overprint processing unit 26 performs overprint processing in which, in an object having a color plane whose color value before color management processing is 0, the color value of the color plane in the portion overlapping a rear object is overwritten with either the sum of the color value of the color plane of the same color of the rear object or the larger value of the color value of the color plane and the color value of the color plane of the same color of the rear object, and does not overwrite the color value of a color plane whose color value before color management processing is not 0.SELECTED DRAWING: Figure 1

A color calibration jig and a method of using the same are disclosed. The color calibration jig includes a body and a first inclination indicator. The body has a color plane with an indicator patch disposed thereon. The indicator patch has a first reference edge and a first reference width perpendicular to the first reference edge. The first inclination indicator is connected to the body and includes a first calibration edge, wherein the first calibration edge has a first distance to the color plane. A first virtual extension line passing through the first calibration edge and a first virtual extension of the first reference edge has a first threshold included angle with a normal line of the color plane.

A system for authenticating a subject identification document includes a memory section storing computer-executable instructions and a memory section storing an enrolled document template, ROI information, and a codebook representing partitions of a [Cb, Cr] color plane. The system includes a processor in communication with the memory. The processor executes the instructions that, when executed, cause the processor to receive an image of the document, the image depicting, in a RGB color space, the document. The processor transforms the image of the document to a second image of the document in a YCbCr color space. The processor assigns pixels within a ROI in the second image corresponding to the ROI information to the partitions of the codebook. The processor generates a template based on respective counts of the pixels assigned to the partitions of the codebook. The processor compares the template to the enrolled document template to authenticate document.

A virtual reality (VR) and / or augmented reality (AR) display system is configured to control a display using control information that is embedded in or otherwise included with imagery data to be presented through the display. The control information can indicate depth plane(s) and / or color plane(s) to be used to present the imagery data, depth plane(s) and / or color plane(s) to be activated or inactivated, shift(s) of at least a portion of the imagery data (e.g., one or more pixels) laterally within a depth plane and / or longitudinally between depth planes, and / or other suitable controls.

An apparatus for image processing includes one or more processors configured to: receive first image data in a first color format, the first image data including a plurality of color planes at a reduced resolution relative to a full resolution; generating second image data in an intermediate color format based on the first image data in the first color format, the intermediate color format comprising at least one color plane of the plurality of color planes at the reduced resolution and a first color plane at an increased resolution; storing the second image data in the one or more external memories; performing image processing based on accessing the second image data; and generating third image data based on the image processing, the third image data being in a third color format including the plurality of color planes at the same resolution.

An image decoding method performed by a decoding device according to the present disclosure comprises the steps of: receiving a bitstream including prediction information for a current block; deriving a chroma array type for the current block on the basis of a separate color plane flag indicating whether three color components are separately coded and a chroma format index indicating a chroma format sampling structure for the current block, which are included in the prediction information for the current block; deriving prediction samples for the current block on the basis of the derived chroma array type; and deriving reconstructed samples for the current block on the basis of the prediction samples.

The invention relates to a method and apparatus for signaling information about chroma format. According to the present disclosure, an image decoding method performed by a decoding device comprises the steps of: receiving a bitstream including prediction information for a current block; deriving a chroma array type for the current block based on individual color plane flags indicating whether the three color components are respectively compiled and a chroma format index indicating a chroma format sampling structure for the current block, the chroma format index and the individual color plane flags being included in prediction information for the current block; deriving a prediction sample of the current block based on the derived chroma array type; and deriving a reconstructed sample of the current block based on the prediction sample.

A filtering system for video coders and decoders is disclosed that includes a feature detector having an input for samples reconstructed from coded video data representing a color component of source video, and having an output for data identifying a feature recognized therefrom, an offset calculator having an input for the feature identification data from the feature detector and having an output for a filter offset, and a filter having an input for the filter offset from the offset calculator and an input for the reconstructed samples, and having an output for filtered samples. The filtering system is expected to improve operations of video coder / decoder filtering systems by selecting filtering offsets from analysis of recovered video data in a common color plane as the samples that will be filtered.

The present disclosure relates to a multi-feature sample offset filtering system for video encoding and decoding. A filtering system for video encoders and decoders is disclosed, the filtering system comprising: a feature detector having an input for samples reconstructed from encoded video data representing a color component of a source video, and having an output for data identifying features identified from the data; an offset calculator having an input for feature identification data from the feature detector and having an output for a filter offset, and a filter having an input for the filter offset from the offset calculator and an input for reconstructed samples, and having an output for filtered samples. The filtering system contemplates improving the operation of a video encoder / decoder filtering system by selecting a filtering offset from an analysis of recovered video data in a common color plane with the samples to be filtered.

The invention discloses a positioning system for a nerve regulation and control target region, which comprises a central processing module, a regulation and control target region module, a target region regulation and control module, a feature point identification module, a data comparison module and a profile map positioning module, and is characterized in that the central processing module is used for carrying out algorithm calculation on positioning of the nerve regulation and control target region. According to the invention, the position of the target area can be accurately positioned, the position positioning is faster and more accurate, the positioned position of the target area can be visually observed, and an operator can conveniently and accurately observe the position of the target area; the position of the target area can be narrowed by setting the target area, the range of the position of the target area can be narrowed, so that the required position can be positioned more quickly, and the head contour map of the patient and the generated three-color plane graph can be compared with the generated accurate coordinate position according to the head contour map of the patient. Therefore, the head coordinate can be quickly obtained according to the head profile diagram of the patient, and accurate positioning is realized.

The disclosed systems and methods provide for automatically generating digital color palettes associated with user interest colors. A method may include receiving, by a computer, a user interest digital color value, retrieving a color palette ruleset having rules to provide Boolean outputs indicating whether a color palette rule is satisfied by candidate color values, applying the color palette ruleset to the user interest color value, and identifying digital color values for a digital color palette associated with the user interest color value. Identifying the digital color values can include: identifying a complement color value to the user interest color, identifying a neutral gray color corresponding to the user interest color, mapping the user interest color, complement color, and neutral gray color in a 3D color plane, and applying triangulation techniques to identify a subset of color values within a triangular range according to the color palette ruleset.

A video coding system that handles at least one block of at least one image of a video comprises an encoding process and a decoding process that provide or use respectively video-related signaling information, wherein the signaling information comprises at least information representing the presence of chroma shift values, wherein when chroma is present and does not use separate color planes, the information representing the presence of chroma shift values ​​is established and the signaling information further comprises information representing chroma shift values, and wherein when chroma is not present or uses separate color planes, the information representing the presence of chroma shift values ​​is reset, and no further information representing chroma shift values ​​is signaled.

Disclosed are methods, apparatuses, and systems for encoding and decoding an image. The present invention provides an intra prediction unit receives an input image, removes high frequency ingredients by low pass filtering an encoded luma pixel value in the input image during intra prediction, and generates a prediction block by predicting a chroma pixel value by using a low pass filter (LPF) LM chroma mode for applying an LM chroma mode, which is an extended chroma mode technique for generating a prediction block by predicting the chroma pixel value by applying a correlation between color planes to the luma pixel value having removed therefrom the high frequency ingredients.

Systems and methods for fast light field rendering from a three-dimensional (3D) representation of a scene. In at least one embodiment, fast light field rendering exploits cached color values of a plurality of color planes corresponding to a reference view and cached transmittance values of a plurality of transmittance planes corresponding to the reference view to composite a light field quilt via a single sweep through a plurality of sampling planes / volume chunks, thereby enhancing computational efficiency during rendering.

The application discloses a cross-environment CPU high-performance rendering method based on instruction-level acceleration, and a shared physical memory pool of a non-cache device memory type is created by a host memory management service in a Hongmeng host and an Android container environment and is mapped to the user states of both parties, and a lock-free buffer queue based on ARM atomic instructions is established; after drawing instructions are generated by an Android application, the container first optimizes the drawing instructions, allocates size and calculates power according to complexity, then the rendering engine completes accelerated rendering of a layer by means of NEON vector operation, determines the layer Z-order by means of an ARM bit inversion instruction, separates and mixes only RGB color planes, generates frame metadata after synthesizing and optimizing frame data, writes the frame metadata and a queue marked as ready into the shared memory pool; the host Hongmeng display service acquires an effective area by atomic loading, transfers frame data to a display controller by means of a linked list mode DMA channel after converting a data format, and notifies the CPU of completion of on-screen display after the transmission is completed.

A printing system is disclosed. The printing system includes at least one physical memory device to store calibration logic and one or more processors coupled with the at least one physical memory device to execute the calibration logic to generate a second printer transfer function to calibrate ink deposition of a print system for each of the plurality of color planes based on first ink deposition data, second ink deposition data and a first printer transfer function, wherein the first ink deposition data, the second ink deposition data and the first printer transfer function are associated with a common halftone design.