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Image compression coding method and device, computer equipment and storage medium

An image compression and coding method technology, applied in the field of image processing, can solve the problem of large image data storage space, and achieve the effect of less storage space, small amount of data, and high quality

Pending Publication Date: 2022-03-22
SHENZHEN AIXIESHENG TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Classic lossless compression techniques include Huffman coding, arithmetic coding, and dictionary compression, etc., but the storage space of image data compressed by traditional image lossless compression methods is relatively large.

Method used

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  • Image compression coding method and device, computer equipment and storage medium
  • Image compression coding method and device, computer equipment and storage medium
  • Image compression coding method and device, computer equipment and storage medium

Examples

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Embodiment Construction

[0059] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.

[0060] The image compression coding method provided by the embodiment of the present application can be applied to such as figure 1 shown in the application environment. Wherein, the terminal 102 communicates with the server 104 through the network. The data storage system can store data that needs to be processed by the server 104 . The data storage system can be integrated on the server 104, or placed on the cloud or other network servers. The server 104 acquires the image to be compressed sent by the terminal 102, and the server 104 divides the image to be compressed...

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PUM

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Abstract

The invention relates to an image compression coding method and device, computer equipment, a storage medium and a computer program product. The method comprises the steps that an image to be compressed is acquired, the image to be compressed is divided into a plurality of image blocks, and each image block comprises a plurality of pixels; for each image block, judging the type of the image block according to pixels in the image block; if the image block is a color image block, judging whether pixels in the image block meet a preset condition or not; wherein the preset condition comprises at least one of a pixel grouping condition, a pixel component equality condition and a pixel component difference value and corresponding threshold value relation condition; and if the pixels in the image block meet one of the preset conditions, coding the image block by adopting a coding rule corresponding to one of the preset conditions. According to the method provided by the invention, the coded data volume is small, the occupied storage space is small, and meanwhile, the decompressed data also has relatively high quality.

Description

technical field [0001] The present application relates to the technical field of image processing, in particular to an image compression encoding method, device, computer equipment and storage medium. Background technique [0002] Digital representation, transmission and storage. Image is a medium that contains the largest amount of information, but the huge amount of information in digital images has also become an obstacle in the process of digitization, and effective compression must be carried out. For the storage and transmission of image data such as remote sensing photos, reconnaissance photos, fingerprint images, medical images, weather cloud images, etc., in order not to lose key information and facilitate later processing and application, lossless compression is often used. Especially in the development process of chips and hardware, due to the limitation of DDR bandwidth, etc., it is impossible to smoothly read and write, store, and cache high-resolution video im...

Claims

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Application Information

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IPC IPC(8): H04N19/182H04N19/20H04N19/42H04N19/85
CPCH04N19/182H04N19/42H04N19/85H04N19/20
Inventor 孙雪强夏群兵孔德擎许立仁
Owner SHENZHEN AIXIESHENG TECH CO LTD
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