11 results about "Green component" patented technology

The present disclosure provides a dual fluorescence and visible light image fusion method and device, electronic equipment and medium, relating to the field of image processing technology. The present disclosure specifically implements the following scheme: simultaneously acquiring a visible light image and a fluorescence original image of a target scene; obtaining a conversion hue, a first saturation and a first brightness based on the fluorescence original image, wherein the conversion hue is a value obtained by linearly converting the hue value of the fluorescence original image; identifying a green component and a blue component based on the conversion hue and the fluorescence original image, and obtaining a mask image having information of the green component and the blue component; and obtaining a fused image based on the visible light image, the mask image, the first saturation and the first brightness, thereby improving the fusion effect of the visible light image and the dual fluorescence images.

In order to easily correct typical out-of-gamut mapping problems when freely applying a desired luminance mapping function to a luminance / chrominance color representation, the inventors propose an apparatus (500) or method for transforming an input pixel color (CHb) of a high dynamic range input image into an output color (CSb) of an output image, the input color is represented as a gamma logarithmic defined triple comprising an initial first color component, an initial second color component and an initial third color component according to a photoelectric transfer function having a gamma logarithmic shape, the color transformation circuitry (501) is arranged to transform the initial first color component, the initial second color component and the initial third color component into an intermediate red component (R "im), an intermediate green component (G" im) and an intermediate blue component (B "im) by mapping the initial color component with the same function for each color component, the invention relates to a device for maximizing a function (551) for a sub-range of darkest color component values comprising an initial color component, the function having a slope greater than 1, characterized in that the device comprises:-a first maximization circuit (551) arranged to calculate a first value (Mx), the first value being a largest one of three intermediate color components for each input color; -a first subtractor (552) arranged to subtract a second value (V2) from the value, the second value (V2) being equal to a value obtained from applying the photoelectric transfer function to a tertiary value equal to a target display maximum brightness (MLTo) of the output image divided by a maximum brightness (MLPQ) associated with the photoelectric transfer function, the subtraction resulting in a fourth value (V4); -a second maximization circuit (553) arranged to calculate a fifth value, which is the highest one of the fourth value and zero; -a second subtractor (554), a third subtractor (555) and a fourth subtractor (556) arranged to calculate three output color components (R ''out, G'' out, B ''out) by subtracting a fifth value from the corresponding intermediate color components, and arranged to set the output color components equal to zero if the subtracting produces a negative value.

The application discloses a kind of methods for detecting the transmittance of quartz reaction chamber of epitaxial equipment, including but not limited to esther200C, esther200L, LPE 3061S and LPE2061S epitaxial equipment, use external color camera with PLC industrial computer equipment to shoot the image of bell jar observation window and temperature measurement window area, select the light transmission area for analysis, divide the effective light transmission area into several microcircuits, calculate the RGB value of observation hole in each microelement area and the average value ratio of blue component and green component. By comparing the difference between the RGB value in the region and the standard value, and comparing the B / G ratio with the standard value set, the state of bell jar transmittance is identified.

The application relates to the field of video monitoring, and particularly discloses a real-time video monitoring system and method for crop growth conditions, which comprises the following steps: step S1: a single-frame visible light color image of a crown layer area is collected, a green component is enhanced, edge detection and skeleton extraction are performed, and a binary edge skeleton image representing a leaf blade contour is obtained; step S2: skeleton line intersection points are recognized, and the number of intersection points per unit area is counted, which is defined as a leaf overlapping density index; step S3: a leaf gap hole is extracted through connected domain analysis, the percentage of the hole area in the total area of the crown layer is calculated, and an initial apparent canopy density is obtained; and step S4: a shielding level is estimated based on the overlapping density index, the initial canopy density is corrected to obtain a real population canopy density, and the real population canopy density is displayed in a monitoring picture in the form of a heat map in real time.

Provided is a method for visualizing the foundation application status from a face video using a general RGB camera instead of using a multispectral camera or a special filter. The present invention comprises: an acquisition step for acquiring, using an RGB camera, a time-series vector R of a color variation of a bare skin part and time-series vectors of respective pixels in a part to be visualized; and a visual representation step for visually representing the foundation application status on the basis of evaluation of similarity between the time-series vector R and the time-series vectors of the respective pixels in the part to be visualized. Specifically, an inner product of the time-series vector R and the time-series vector of the part to be visualized is calculated for each pixel in the part to be visualized, and the foundation application status is visually represented on the basis of the component size of the time-series vector R for the time-series vectors of the respective pixels in the part to be visualized. The time-series vector is acquired from a time variation of green luminance in each pixel of the camera, while utilizing the characteristics of hemoglobin to absorb a green component of light.

This invention relates to a data compression system and a data mapping method. A method for mapping red-green-blue-green (RGBG) format data to red-green-blue (RGB) format data includes: receiving three RGBG pixel values ​​for mapping to four RGB pixel values, the three RGBG pixel values ​​and the four RGB pixel values ​​including a red component, a green component, and a blue component; mapping the red and blue components of the three RGBG pixel values ​​and the first three green components to the first three RGB pixel values; and, according to a mapping mode, mapping the last three green components of the three RGBG pixel values ​​to the red, green, and blue components of a fourth RGB pixel value.

This disclosure provides a pixel display method and related apparatus. The pixel display method includes: acquiring an original image to be displayed on a display screen, wherein the display screen is an active matrix organic light-emitting diode display screen with subpixels arranged in a diamond pattern and green subpixels on the display screen correspond one-to-one with pixels in the original image; during subpixel rendering processing of the original image to be displayed, mapping the green components of white pixels in the original image to the corresponding green subpixels and surrounding green subpixels on the display screen according to the green tint characteristic of the display screen; and displaying the subpixel data obtained after subpixel rendering processing of the original image to be displayed through the display screen. This disclosure can solve the green tint problem when alternating black and white lines are displayed on an AMOLED display screen with subpixels arranged in a diamond pattern.

The application provides a space domain digital image blind watermark embedding and extraction method and device based on a modulus operation, and the method comprises the following steps: obtaining a host image, performing channel separation on the host image to obtain a red component layer, a green component layer and a blue component layer; obtaining a watermark to be embedded, preprocessing the watermark to be embedded by using a pseudo-random exchange scrambling algorithm to obtain a preprocessed watermark; substituting the preprocessed watermark and the red component layer into an embedding formula to perform calculation to obtain an embedded red component layer; substituting the preprocessed watermark and the green component layer into the embedding formula to perform calculation to obtain an embedded green component layer; substituting the preprocessed watermark and the blue component layer into the embedding formula to perform calculation to obtain an embedded blue component layer; and combining the embedded red component layer, the embedded green component layer and the embedded blue component layer to obtain a watermark-containing image. The method provided by the application improves the robustness of the blind watermark.

The application discloses a kind of RGBG conversion RGB subpixel rendering method and system of row and column direction pseudo color suppression, it is related to intelligent image processing field, the method includes: obtaining source RGBG format image data, for each target pixel, extract green component subpixel value, constitute local green feature vector;Through attention weight calculation network, generate the attention weight sequence of neighborhood subpixel value weighted calculation;Through weighted calculation, obtain the missing color component value of target pixel;Calculate the green component gradient of target pixel in row direction and column direction, and carry out edge type judgment, calculate the existing color component of target pixel, obtain existing color component optimization value;Fusion missing color component value and existing color component optimization value, generate the final RGB format pixel data of target pixel position.The application solves the problems of low image processing quality, poor adaptability to different images and poor processing efficiency in the prior art.

The application discloses a two-dimensional code color identification method, system and device and a storage medium. The method comprises the following steps: obtaining an original image of a two-dimensional code; performing corrosion and expansion on the original image to obtain a first bright area and a first dark area; determining a first white balance coefficient and a second white balance coefficient according to the first dark area; calibrating a red component mean value, a green component mean value and a blue component mean value of the original image corresponding to the first bright area by the first white balance coefficient and the second white balance coefficient to obtain a red real pixel value, a green real pixel value and a blue real pixel value; and classifying the two-dimensional code according to the red real pixel value, the green real pixel value and the blue real pixel value. The method can improve the accuracy of two-dimensional code color identification. The application can be widely applied in the technical field of two-dimensional code identification.

An eye detection device acquires a color image containing a face of a person by an imaging device; generates a gray scale image by multiplying a red component value, a green component value, and a blue component value by a prescribed ratio corresponding to a characteristic of a lens of a pair of glasses worn by the person for each pixel of the color image; detects an eye of the person from the gray scale image; and outputs eye information related to the detected eye.