11 results about "Color quantity" patented technology

The invention relates to the field of data analysis, in particular to a publication color adaptive optimization method based on printing color deviation, which comprises the following steps: identifying color data of a publication to extract color block distribution characteristics of the publication; evaluating a printing deviation interference characterization value of the publication based on the color block distribution characteristics in combination with a color number corresponding to a plurality of color blocks of the publication so as to mark the publication; according to the marking result, color printing of the publication is analyzed; according to the method, color data identification and feature extraction, printing deviation interference evaluation and marking, color fusion color block analysis, printing condition judgment and parameter adjustment are carried out on the publications, and then the color fusion color blocks meet the standard printing conditions or not according to the printing level characterization parameters, and the color printing of the corresponding publications is adjusted according to the color data identification and feature extraction, the printing deviation interference evaluation and marking, the color fusion color block analysis and the printing condition judgment and parameter adjustment. And on the premise of adapting to a complex color scene, the printing quality of the publication is precisely regulated and controlled, and the printing precision and the color rendition degree of the publication are improved.

The application provides a target recognition method based on a morphological recognition template matching, comprising the following steps: S1, acquiring an original image; S2, converting the original image from an RGB format to a YCBCR format, and performing a binaryzation processing on the original image in the YCBCR format to obtain a binaryzation image, and sequentially screening out pixel points greater than a first threshold value corresponding to YCBCR of various colors from the binaryzation image; S3, judging whether the distance between two pixel points is greater than a second threshold value, if yes, the two pixel points correspond to different targets, if not, the two pixel points are the same target, and a new second threshold value is generated; and S4, matching the binaryzation image with binaryzation template images of various targets, so as to determine the types of various targets existing in the binaryzation image. The application integrates the color, quantity and type of the target into one, and has small resource usage, and is suitable for simple use scenarios.

The application provides a hosiery machine pattern file generation method, device, equipment and medium. In the method, after the original pattern image and the number of pattern colors are obtained, the size of the original pattern image is adjusted, and then the target pattern image is obtained through color conversion according to the number of pattern colors. Then, the shuttle identifier corresponding to each color is determined according to the color data of each color in the target pattern image and the color data corresponding to the plurality of preset shuttle identifiers. Finally, the pattern file is generated according to the target pattern image, and the corresponding relationship between each color in the target pattern image and the target shuttle identifier. The scheme adjusts the size of the original pattern image, converts the color, and determines the corresponding relationship between the color and the target shuttle identifier to generate the pattern file, thereby effectively improving the generation efficiency of the pattern file.

The invention relates to a 2D barcode comprising barcode elements, made up of elementary 2D color modules and of which encoded data are split into a plurality of 2D data blocks made of chunks, each element including a 2D alignment pattern AP of which modules have colors representative of a color palette, a configurable error-correcting code and a locator including an orientation pattern and encoded locator data indicating a size of said barcode element BE, a size of said element, a size of the data blocks DBs of said barcode element, the number of colors of the corresponding color palette, and a level of error correction of the error-correcting code.

The application provides an image recognition method and device, electronic equipment and storage medium, and relates to the technical field of image processing. The method comprises the following steps: performing color quantization processing on a to-be-recognized image to obtain a respective quantized color value corresponding to each pixel; dividing the to-be-recognized image into a plurality of macroblocks, determining a respective quantized color quantity corresponding to each macroblock based on the respective quantized color value corresponding to each pixel in the macroblock; and identifying an image type corresponding to each macroblock based on the respective quantized color quantity corresponding to each macroblock and the original color quantity corresponding to each macroblock, wherein the image type is used to represent whether the macroblock is a text block. In the embodiment, the text block and the non-text block can be identified from the image, and the recognition accuracy is high. Furthermore, different compression encoding modes can be used for the text block and the non-text block, so that the display quality and the data size after compression of different regions can be better controlled, and the problems of increased bandwidth and increased bandwidth cost can be avoided.

The application relates to the technical field of image coding, and provides a compression mode switching method, an electronic device and a storage medium. The method comprises the following steps: in the case that a cloud desktop image is encoded by using a hybrid compression mode, determining a first area, a second area and a third area of a first encoding region in the cloud desktop image; in the case that the first area is greater than the second area, and the ratio of the first area and the third area is greater than a first ratio threshold, switching the hybrid compression mode to a video compression mode. The first area is used for representing the area of a region with color complexity greater than a complexity threshold in the first encoding region; the second area is used for representing the area of a region with color complexity less than the complexity threshold in the first encoding region; and the color complexity is measured by the color quantity and the color density. The compression mode switching method provided by the application can realize scene discrimination with light weight and high efficiency, and is more suitable for the application environment of cloud desktop real-time interaction.

The present application relates to the field of data analysis, and more particularly to a publication color adaptive optimization method based on printing color deviation, the present application extracts the color block distribution characteristics of the publication by identifying the color data of the publication; based on the color block distribution characteristics and the color quantity corresponding to a plurality of color blocks of the publication, the printing deviation interference characteristic value of the publication is evaluated to mark the publication; according to the marking result, the color printing of the publication is analyzed; according to the printing level representation parameter, it is judged whether the color fusion color block meets the standard printing condition, and the color printing of the corresponding publication is adjusted, the present application realizes color data recognition and feature extraction, printing deviation interference evaluation and marking, color fusion color block analysis, printing condition judgment and parameter adjustment, and then, under the premise of adapting to complex color scene, the printing quality of the publication is accurately controlled, and the printing precision and color restoration degree of the publication are improved.

A video coding method is performed by a computing device, and the method includes: dividing a to-be-coded video frame image into a plurality of coding units; and for each coding unit, performing the following operations: determining color composition of the coding unit, the color composition comprising a quantity of colors comprised in the coding unit, further comprising: clustering a color of each pixel in the coding unit, to determine a type of the color comprised in the coding unit; and generating a color index table based on the type of the color comprised in the coding unit, wherein a quantity of color indexes comprised in the color index table corresponds to the quantity of colors; and in response to that the quantity of colors is less than or equal to a preset color quantity threshold, determining a coding mode of the coding unit to be a palette coding mode.

The application relates to the technical field of mold multi-color molding, and provides an injection mold and an injection device. The injection mold comprises a mold frame, a mold core and a plurality of water gap inserts. The mold frame is formed with a mold core cavity and an injection flow channel; the mold core is arranged in the mold core cavity; the mold core is formed with an injection cavity; the water gap insert is formed with a water gap flow channel; the water gap insert is used for mounting a to-be-sleeved part; the to-be-sleeved part and the injection cavity enclose a sleeving space; the sleeving space comprises a plurality of sleeving cavities which are isolated from each other; and the water gap flow channel of each water gap insert is communicated with the injection flow channel and at least one sleeving cavity. The injection mold provided by the application can realize the multi-color effect of a product surface by only setting a plurality of water gap inserts corresponding to different colors for secondary injection according to the multi-color requirements of the product, the multi-color yield of the product is high, the cost is lower, the injection process is simpler, the number of colors of the product subjected to multiple injection is not limited, and the injection process effect of more colors on the product surface can be realized.

A standard printing pattern template based on a printing registration test comprises an image-text area located in the middle, the image-text area is provided with a plurality of patterns, the left side and the right side of the image-text area are provided with a color code area and an observation area respectively, the color code area is provided with a plurality of color codes, and the observation area is provided with a plurality of observation holes. The number of the color codes is the same as the number of colors contained in the pattern, each color corresponds to one printing plate roller, each color corresponds to one group of color codes, a plurality of observation patterns are arranged on the observation area, the number of the observation patterns is the same as the number of the colors contained in the pattern, and the center of the observation area is aligned with the center of a key area of the pattern. According to the principle, the color codes on the left side and the right side are arranged, so that the registration precision is improved; and the observation areas on the left side and the right side are arranged, so that distinguishing of printing registration precision of the key area and the non-key area on the printing plate surface is facilitated.

A display control method and apparatus for an electronic shelf label, an electronic device, and a storage medium. The method comprises: acquiring the color information of an image to be displayed and the inherent property information of a target electronic shelf label (S101); in response to the number of colors comprised in said image being less than the number of colors supported by the target electronic shelf label, constructing an actual rendering mapping table (S102); and rendering the color values of pixel points in said image on the basis of the actual rendering mapping table, and transmitting rendered data and the actual rendering mapping table to the target electronic shelf label for color display (S103).