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JPEG image to compressed GPU texture transcoder

A transcoder, image conversion technology, applied in the computer field, can solve the problem of high quality

Active Publication Date: 2018-08-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, texture compression formats such as ETC2 are usually not as high-quality as JPEG image compression formats

Method used

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  • JPEG image to compressed GPU texture transcoder
  • JPEG image to compressed GPU texture transcoder
  • JPEG image to compressed GPU texture transcoder

Examples

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Embodiment Construction

[0021] The following description is made with reference to the accompanying drawings, which form a part hereof and show, by way of illustration, specific embodiments in which the invention may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the disclosed subject matter and it is to be understood that other embodiments may be utilized and structural, logical, electrical and other modifications may be made without departing from the scope of the present invention. on the change. Accordingly, the following description of example embodiments is not to be taken as limiting, the scope of the invention being defined by the appended claims.

[0022] In one embodiment, the functions or algorithms described here may be implemented by software or a combination of software and manually implemented processes. The software may consist of computer-executable instructions stored on a computer-readable medium or in a computer-r...

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Abstract

A received JPEG image compression format image includes one or more minimum coded units (MCUs). Each MCU is decoded using an image compression format decoder. Each decoded MCU is then split into multiple decoded subblocks. Each decoded subblock can then be encoded into texture compression format using a texture compression format encoder. Each encoded texture compression format subblock can then be passed to a graphical processing unit (GPU) for processing.

Description

[0001] cross reference [0002] This application claims priority to an earlier application, U.S. Nonprovisional Application No. 14 / 990,963, filed January 8, 2016, entitled "JPEG Image to Compression GPU Texture Transcoder," which claims The manner of introduction is incorporated into this article. technical field [0003] The present invention relates to computer technology, and more particularly, the present invention relates to the transcoding of JPEG-encoded images into texture compression formats. Background technique [0004] The Joint Photographic Experts Group (JPEG) is a popular lossy image compression method, usually used to compress digital images. JPEG uses a form of compression based on the discrete cosine transform (DCT). This operation converts each frame / field of a video source from the spatial (2D) domain to the frequency domain (also known as the transform domain). Then, high-frequency information such as sharp transitions in intensity and hue are discard...

Claims

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Application Information

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IPC IPC(8): H04N21/43
CPCH04N19/40H04N19/426H04N19/136H04N19/176H04N19/44H04N19/70
Inventor 杰夫·莫桂兰斯凯安东尼·马佐拉
Owner HUAWEI TECH CO LTD
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