482 results about "Color transformation" patented technology

The invention discloses a pavement crack detection method based on a Yolov8 model, and belongs to the technical field of crack detection. Comprising the following steps: constructing a pavement crack segmentation data set: acquiring a road crack image through an unmanned aerial vehicle, performing data enhancement processing of geometric transformation and color transformation on the image in combination with a public data set, performing Gaussian filtering denoising on a noise image, and performing crack labeling by using Label; based on a YOLOv8-Seg model, improvement is carried out by introducing a PKIblock multi-scale convolution kernel, generalizing an efficient layer aggregation network GELAN module, an EMA attention mechanism and replacing a spatial pyramid pooling layer SPPF into a SimSPPF, and a road crack recognition model YOLOv8-RCI is constructed; and performing crack detection and instance segmentation on the unmanned aerial vehicle image by using the trained YOLOv8-RCI model, and outputting a crack position and mask information. Through the improvement in the four aspects, the detection segmentation performance of the model is improved, and the model meets the requirement of real-time detection.

The invention provides an image defogging enhancement and intelligent perception collaborative optimization method based on stream matching, and the method comprises the steps: obtaining a foggy input image, and constructing an ordinary differential equation for defining image transformation; the input image is input into a fog perception vector field, the fog perception vector field comprises an atmospheric scattering purifier and a defogging perception color lookup table, and the atmospheric scattering purifier is used for extracting multi-scale features from the foggy input image to generate clearer output; the defogging perception color lookup table adaptively adjusts the image color through a nonlinear color transformation mechanism; and solving the ordinary differential equation through an RK4 solver, iteratively updating the foggy input image at each time step, and ensuring that the input image can be stably converted into a clear image from an initial foggy state. The technical problems that in the prior art, the existing method is forced to reduce the model capacity due to the calculation efficiency constraint in the ultra-high-definition image defogging, so that the fog concentration estimation is incomplete, and the perception quality and the calculation efficiency cannot be considered at the same time are solved.

An image processor for a medical observation device includes a color conversion function, The image processor is configured to retrieve an input pixel of a digital input color image and a location of the input pixel in the input color image, and apply the color conversion function to the input pixel to generate an output pixel in a digital output color image. The color conversion function depends on the location of the input pixel.

Provided are a color converting substrate and a display device including same. The color converting substrate includes: a base portion in which a first light transmission area, a first light blocking area, and a second light transmission area, which are sequentially and closely arranged in a first direction, are defined; a first wavelength converting pattern located on the base portion and configured to wavelength-covert a first color light into a second color light; a second wavelength converting pattern located on the base portion and configured to wavelength-convert the first color light into a third color light; and a light transmission pattern located on the base portion and configured to transmit the first color light.

Devices having a reflective geometry are provided. The device includes a color conversion layer including luminescent material. The color conversion layer having a first side and a second side and a substrate having a first side and a second side. The second side of the color conversion layer located on the first side of the substrate. The device including an LED light source located remotely from the color conversion layer where the LED light source is optically coupled and / or radiationally connected to the first side of the color conversion layer. The device includes at least one of: (a) the substrate has a reflectivity of at least 20%, (b) a reflective layer located between the substrate and the color conversion layer, or (c) a back reflective layer located on the second side of the substrate. The devices are especially useful for lighting and display applications. Articles including the device are also provided.

Methods for actively managing remnant voltage on backplane electrodes when driving an electrophoretic display, especially with short waveforms, such as used for scrolling, pinch-zoom, pulldown menus, and even video. The methods track the remnant voltage changes for each backplane electrode during a series of image updates and use same color transitions to either improve the optical quality state of the display pixel or to decrease the remnant voltage at the display pixel. Thus, it is not necessary to employ full reset pulses, which typically drive a backplane electrode to both extreme voltage states and appear very “flashy” to a user.

A display device according to an embodiment includes a display panel, and a color conversion layer disposed on the display panel, wherein the color conversion layer includes a quantum dot and a scatterer, the scatterer includes a first particle having a first diameter, and the first diameter is from about 100 nm to about 180 nm.

A method for processing image data may include: obtaining a raw input image that is captured under an input illumination; obtaining a target illumination from a user input; obtaining an intermediate image having colors captured under a reference illumination, from the raw input image, based on a first color transform that maps the input illumination to the reference illumination in an illumination dataset of raw sensor images that are captured under a plurality of different illuminations; and obtaining an output image having colors captured under the target illumination, from the intermediate image, based on a second color transform that maps the reference illumination in the illumination dataset to the target illumination.

The invention discloses a data enhancement method, a training method and a system for a target detection model. The data enhancement method comprises the following steps: for a target image marked with a target object bounding box, generating a mask image corresponding to the target image by using a semantic segmentation model so as to separate a foreground region from a background region in the target image; based on the mask image, a first image used for representing the foreground area is extracted from the target image, color conversion processing is performed on the first image to obtain a plurality of second images, and each second image is used for representing the foreground area and has a color attribute different from that of the first image; respectively generating corresponding enhanced images based on the plurality of second images, and adding the target image and the plurality of enhanced images into a training data set for training a target detection model; wherein each enhanced image in the plurality of enhanced images is correspondingly provided with a target object bounding box consistent with the target image. In this way, the recognition capability of the model on samples without colors is enhanced.

A setting unit sets a first partial area and a second partial area in a first image. A conversion unit, in a case where the first image is determined to be an image obtained by scanning the printed image, executes color conversion processing for converting a first color, which is included in the first image and is defined by a first color gamut, into a second color, which is defined by a second color gamut. A first correction unit corrects a conversion parameter in the color conversion processing such that a color obtained by converting the first color is a color different from the second color. The first correction unit corrects, for the first partial area, the conversion parameter and corrects, for the second partial area, the conversion parameter.

The invention relates to efficient color conversion using multiple lookup tables. Disclosed are systems and techniques for efficient color conversion. The techniques include receiving a first lookup table (LUT), a corresponding first range, a second LUT, and a corresponding second range. The first range is smaller than the second range. The techniques include receiving first color data of a first color space from a first computer system component. The techniques include, in response to determining that the first color data is within a first range corresponding to the first LUT, converting the first color data of the first color space to second color data of a second color space using the first LUT. The techniques include providing second color data of a second color space to a second computer system component.

A display device includes a light-emitting substrate, a counter substrate, multiple color conversion layers and, a patterned distributed Bragg reflector. The counter substrate is disposed opposite to the light-emitting substrate, and has multiple sub-pixel regions. Each of the sub-pixel regions has a sub-pixel width. The color conversion layers are disposed between the light-emitting substrate and the counter substrate. The patterned distributed Bragg reflector is disposed on one side of the color conversion layers, and has multiple openings. Each of the openings has an opening width greater than or equal to 1 μm and less than the sub-pixel width.

An image processing method for converting a color space of input image data including color information is provided. The image processing method includes: preprocessing the input image data according to a frequency thereof to generate a preprocessed result; and color-converting the preprocessed result to generate output image data. The color space of the input image data is different from a color space of the output image data.

A display panel (10, 20) is provided, comprising a circuit substrate (100), a first light-emitting element (210), a first color-conversion layer (310), a first color filter layer (320), a second light-emitting element (220), and an encapsulation layer (330, 330A). The first light-emitting element (210) is configured to emit blue light and / or ultraviolet light. The first color-conversion layer (310) covers the first light-emitting element (210) and is configured to convert blue light and / or ultraviolet light into red light. The first color filter layer (320) covers and contacts an upper surface (110t, 310t, 330t) of the first color-conversion layer (310). The second light-emitting element (220) is configured to emit blue light.The encapsulation layer (330, 330A) surrounds the first light-emitting element (210), the first color conversion layer (310), the first color filter layer (320) and the second light-emitting element (220).

Disclosed is a display device including: a substrate; the transistor is arranged on the substrate; a light emitting element electrically connected to the transistor; an encapsulation layer disposed over the light emitting element; a spacer disposed on the encapsulation layer and defining a first opening, a second opening, and a third opening; a first color conversion layer disposed in the first opening; a second color conversion layer disposed in the second opening; and a transmissive layer disposed in the third opening, in which the separator is made of a metal material, and a distance from a center of a portion of the separator to the first color conversion layer is equal to a distance from the center of the portion of the separator to the transmissive layer.

The purpose of the present invention is to provide a display device in which adhesion between a color conversion layer and a partition wall is improved. This display device is characterized in having a light emitting element provided on a substrate, a partition wall formed around the light emitting element, and a color conversion layer filling an opening space of the partition wall, wherein a plurality of projection parts is formed on a side wall surface of the partition wall. In the present invention, it is preferable that the side wall surface comprises a mixture of a rough surface appearing as vertical streaks and the projection parts.

A display device (10) comprises a driver circuit substrate (110), light-emitting elements (120), a color conversion structure (130), an encapsulation layer (140), a mating substrate (200), and a bank layer (220). The color conversion structure (130) covers a first light-emitting element (120R) of the light-emitting elements (120). The encapsulation layer (140) is arranged on the driver circuit substrate (110). The mating substrate (200) is arranged opposite the driver circuit substrate (110). The bank layer (220) is arranged on the mating substrate (200) and is located between the mating substrate (200) and the encapsulation layer (140).A low-refractive-index material (300) is located between an upper surface (130t) of the color conversion structure (130) and the opposite substrate (200), wherein the refractive index of the low-refractive-index material is less than or equal to 1.2. Furthermore, a manufacturing method for the display device (10) is also provided.

Disclosed are color conversion structures, display devices, and methods of manufacturing the display devices. The color conversion structures have a transferable film structure that includes a substrate layer and a quantum dot layer provided on the substrate layer.

To perform color mapping to a printing color gamut so as to reduce the degree Iga of color conversion caused by color conversion, and to perform appropriate mapping even when a printing original is a read original.SOLUTION: It is determined whether the first image is an image obtained by scanning a print image. When the first image is an image obtained by scanning a print image, color conversion processing for converting a first color and a second color included in the first image and defined by a first color gamut into a third color and a fourth color defined by a second color gamut different from the first color gamut is executed. When a color difference between the third color and the fourth color is smaller than a predetermined threshold, a conversion parameter in the color conversion processing is corrected so that a color obtained by converting the first color becomes a fifth color different from the third color, in which a color difference from the fourth color is larger than the color difference between the third color and the fourth color.SELECTED DRAWING: Figure 21

The present disclosure relates to a color card generation method, an image processing method, apparatuses, and a readable storage medium. The method includes: transferring first standard colors in a first color display standard into colors in a second color display standard, to obtain a first color set; performing channel separation on the second standard colors in the first color set, to acquire color components of the second standard colors respectively in a target color channel; adjusting the color components of the second standard colors respectively in the target color channel, to obtain a second color set; and generating a target color card in the second color display standard, according to the second color set, wherein, the target color card is used for implementing a target effect.

An image processing apparatus includes: an input unit that inputs image data, and a color conversion unit that, on the image data input by the input unit, executes color conversion using a first color conversion method on a target pixel with a difference in pixel value between the target pixel and a surrounding pixel in a case where the target pixel satisfies a condition and execute color conversion using a second color conversion method different from the first color conversion method on the target pixel in a case where the target pixel does not satisfy the condition. A result of executing color conversion using the first color conversion method maintains tonality more than a result of color conversion using the second color conversion method.

This invention relates to a computer-implemented color matching method using a paint adjustment algorithm running on a processor (110) and a database (220), the database (220) including specific optical data of individual color components, the specific optical data of individual color components being determined based on a known reference paint coating having a known reference color formulation and a known measured reference color, the reference paint coating being applied to a substrate using a reference paint application process, wherein the paint adjustment algorithm is extended by an application adaptation module, the application adaptation module interacting with a color prediction model of the paint adjustment algorithm, and the application adaptation module being configured to receive application adaptation parameters for a specific paint application process as input parameters, and to use the received application adaptation parameters to convert the color predicted by the color prediction model for the reference paint application process into a converted color valid for the specific paint application process. The invention also provides a corresponding system.

The invention provides a display panel and a preparation method thereof and a display device, the display panel comprises a bearing substrate, a pixel defining layer and a color conversion layer, scattering particles are arranged in the pixel defining layer, the pixel defining layer is arranged on one side of the bearing substrate, the pixel defining layer is arranged in an array and forms a plurality of opening areas, and the color conversion layer is arranged on the bearing substrate. The color conversion layer comprises a plurality of color conversion parts, the color conversion parts are arranged on one side of the bearing substrate, the color conversion layer is arranged in the opening area, the size of the end, away from the bearing substrate, of the pixel defining layer is larger than that of the end, close to the bearing substrate, of the pixel defining layer, and the pixel defining layer forms an inverted trapezoidal structure with the wide upper portion and the narrow lower portion; the inclined side wall of the inverted trapezoid is equivalent to a light blocking screen, large-angle light rays can be blocked by the inclined side wall, the light rays are prevented from entering adjacent pixels, the phenomena of light ray crosstalk, light mixing, large-viewing-angle color cast and the like of the display panel can be greatly reduced, and the display effect of the display panel is further improved.

The present application belongs to the technical field of oil use peony phenotype parameter automatic extraction method, especially relates to a kind of oil use peony phenotype parameter automatic extraction method and system based on multi-organ image analysis, obtain the high-resolution original image of oil use peony multi-organ containing ColorChecker24 standard color card, the organ at least includes petal, blade, fruit pod;Color correction and geometric correction are executed to original image, 24 color blocks of color card are positioned using computer vision algorithm, color conversion matrix is constructed to map image from device-dependent RGB space to standard color space, while calculating pixel scale based on color block physical size;Four corner points of bearing tray are detected for fruit pod image, and perspective transformation matrix is constructed to complete perspective distortion correction.

The invention provides a regional color correction method and system based on binocular views. The method comprises the following steps: synchronously acquiring a left view and a right view of a target through a binocular camera system; based on the left view and the right view, reconstructing a three-dimensional point cloud model of the target; multiple groups of color corresponding point pairs are obtained, each group of point pairs comprises a left image pixel point and a pixel point corresponding to the left image pixel point in the right image, and color values of the point pairs are recorded; minimizing the color difference of the corresponding point pairs of the left and right views as a target, and based on the color values of the multiple groups of color corresponding point pairs, calculating by using an optimization algorithm to obtain a color transformation matrix; sequentially performing color transformation matrix correction, weighted fusion and rehard correction on the left view and the right view to generate a chromatic aberration-free texture map, and mapping the chromatic aberration-free texture map to a three-dimensional point cloud model to generate a final chromatic aberration-free texture map. According to the invention, the color deviation of the three-dimensional reconstructed left and right views is effectively reduced.

This invention discloses a display device, comprising: a first substrate including a plurality of sub-pixels; a plurality of light-emitting diodes (LEDs) in each of the plurality of sub-pixels disposed on the first substrate; a hydrophobic barrier disposed above the plurality of LEDs and exposed above them; a plurality of color conversion layers disposed on the plurality of LEDs and surrounded by the barrier; an encapsulation layer disposed on the plurality of color conversion layers and formed of an organic material; and a light-shielding layer disposed on the barrier and disposed on the side portion of the encapsulation layer. The area of ​​the encapsulation layer increases downwards, and the area of ​​the light-shielding layer decreases downwards.

The invention discloses a full-automatic color mixer, relates to the technical field of color mixing, and aims to solve the problems that traditional manual color mixing is insufficient in precision, and an industrial color mixer is large in size and high in cost. The visual control module comprises an integrated touch panel and is provided with an RGB scroll bar and an RGB conversion user library; the color conversion calculation module normalizes RGB, then calculates K / C / M / Y values and converts the K / C / M / Y values into percentage; a motor control panel calculates the volume and weight of each pigment; a power driving module four-color water pump is connected with a silica gel hose and a pigment barrel; after a user selects colors, the system automatically completes color conversion, pigment batching and mixing, and the color matching precision is delta Elt; 3; the shell is a PETG 3D printing split type shell, is small in size and is suitable for families and small working rooms.

An image processing method and related apparatuses are provided. The method includes: converting colors of pixels of a foreground image into optical signals under a second color display standard to obtain a first optical signal set; converting the optical signals in the first optical signal set according to the conversion coefficient to obtain a second optical signal set; converting colors of pixels of the background image into optical signals under the second color display standard to obtain a third optical signal set; fusing optical signals in the second optical signal set and the third optical signal set based on a light transmittance of the foreground image to obtain a fourth optical signal set; and converting optical signals in the fourth optical signal set into colors in the second color space to obtain the fused image of the foreground image and the background image.

The application discloses a traffic sign recognition method and system for active safety of commercial vehicles, and specific steps of the recognition method are as follows: S1, capturing road panoramic image information through a vehicle-mounted camera device, and performing pretreatment operation on the road panoramic image information, and setting a threshold value through color transformation space to extract an image of a region of interest; S2, matching the image of the region of interest with a traffic sign template library picture, and positioning a sign image in the road panoramic image according to a matching result; S3, designing and building a neural network model, training the neural network model on a sampling traffic sign data set, and obtaining an optimal traffic sign recognition model; S4, merging a multi-branch structure in the optimal traffic sign recognition model, and obtaining a remodeling model; S5, performing classification recognition on the sign image in step S2, inputting the sign image into the remodeling model in step S4 after normalizing the sign image, and judging a traffic sign type according to an output result.