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Lossless sparse image display method, device and system

A sparse image and display method technology, applied in the field of image processing, can solve the problems of wasting storage space, broadband resources, and storage space waste, and achieve the effect of saving memory data space and reducing bandwidth requirements

Pending Publication Date: 2019-12-31
MOLCHIP TECH (SHANGHAI) CO LTD
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The disadvantage of the above technical solution is: when the size of the sparse image is large and the image content of the user's attention is not much in the entire image format, the use of the above method may cause a waste of storage space and the bandwidth required for reading the memory when displaying
In particular, for some images, the number of pixels with special meaning or key information is much less than the total number of pixels in the image. Will waste a lot of storage space and broadband resources

Method used

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  • Lossless sparse image display method, device and system

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Embodiment

[0033] A method for displaying a lossless sparse image, comprising steps:

[0034] S100. Acquire segment information of the sparse image and sub-image information in the segment, where the sub-image is set corresponding to the segment.

[0035] A sparse image may be composed of one or more segments, the sub-images and segments are set correspondingly, and one sub-image is set in a segment.

[0036] By way of example and not limitation, see figure 1 As shown, for example, the sparse image includes two sections, sub-image A is set in section 1, and sub-image B is set in section 2.

[0037] The sub-image is displayed in its corresponding section, which can express specific information of the section, that is, the sub-image is a combination of pixels with specific attributes.

[0038] The specific information, as an example and not limitation, may be a description of the source of the segment image content, a description of the operation of the segment image content, a descripti...

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Abstract

The invention discloses a lossless sparse image display method, device and system, and relates to the technical field of image processing. A lossless sparse image display method comprises: acquiring section information of a sparse image and sub-image information in a section, wherein the sub-images and the section are correspondingly arranged; packaging information except the pixel information ofeach sub-image into metadata, the metadata comprising more than one sub-metadata, and the sub-metadata being used for setting a display position of the pixel information; and during display, enablingthe display device to display the sub-images of each section of the sparse image to the corresponding positions of the screen according to the metadata of the sparse image. According to the invention,the memory data space of the memory for storing images can be saved, and the bandwidth requirement for reading the memory is reduced.

Description

technical field [0001] The invention relates to the technical field of image processing. Background technique [0002] According to the theory of Compressive Sensing (CS, also known as Sparse Sampling), if the signal satisfies a certain sparsity in a transform domain, it can use a rate much lower than the Nyquist sampling rate to The signal is sampled and the accurate reconstruction of the signal is realized. Images obtained by sparse sampling are called sparse images. With the increasing maturity of compressed sensing theory, the application of sparse images is becoming more and more extensive by using the sparse representation and low-order features of images. Typical applications involve image denoising, image deblurring, single-pixel camera imaging technology, nuclear magnetic resonance In terms of imaging technology and radar imaging technology, sparse images have also received attention in the fields of artificial intelligence, computer vision, pattern recognition an...

Claims

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Application Information

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IPC IPC(8): G06T1/60
CPCG06T1/60
Inventor 陈胤凯孙德印梅佳希张云郑成植何珊刘守浩韦虎董虎
Owner MOLCHIP TECH (SHANGHAI) CO LTD
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