Unlock instant, AI-driven research and patent intelligence for your innovation.

Animation image encoding device, animation image decoding device, animation image encoding method, animation image decoding method, and program

A technology of image encoding and image decoding, which is applied in the field of animation image encoding devices, and can solve problems such as difficulty in effective compression

Inactive Publication Date: 2018-05-18
KDDI CORP
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is difficult to effectively compress videos with the same pattern but different video formats

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Animation image encoding device, animation image decoding device, animation image encoding method, animation image decoding method, and program
  • Animation image encoding device, animation image decoding device, animation image encoding method, animation image decoding method, and program
  • Animation image encoding device, animation image decoding device, animation image encoding method, animation image decoding method, and program

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach 〉

[0087] [Structure and Operation of Video Image Coding Device AA]

[0088] figure 1 It is a block diagram showing the structure of the moving image coding apparatus AA according to the first embodiment of the present invention. The video image encoding device AA generates two video formats from the input video a, multiplexes them into one video stream, and outputs it as a compressed stream b.

[0089] Among them, in this embodiment, a video in YUV4:4:4 format is input as the input video a. Furthermore, in the present embodiment, the video image coding apparatus AA generates a video (upper layer) in YUV4:4:4 format and a video in YUV4:2:2 format or a video in YUV4:2:0 format as videos in two video formats. Video (lower level). To this end, the image of the lower layer is a video in the same format as the input image a, and has less color information than the video format of the input video a.

[0090] Furthermore, in this embodiment, predictive coding of the enhancement lay...

no. 2 approach 〉

[0147] [Structure and Operation of Video Coding Device CC]

[0148] Figure 9 It is a block diagram showing the structure of the moving image encoding device CC according to the second embodiment of the present invention. The video image encoding device CC generates two video formats from the input video α, multiplexes them into one video stream, and outputs it as a compressed stream β.

[0149] Among them, in this embodiment, a video in RGB format is input as the input video α, and as videos in two video formats, the animation image coding device CC generates a video in RGB format (upper layer) and a video in YUV (4:2:0) format. video (lower level). For this reason, the image of the lower layer is a video having a format different from that of the input image α, and the amount of data per pixel is smaller than that of the video format of the input video α.

[0150] Furthermore, in the present embodiment, the number of display digits in the upper layer is the same as the nu...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

Can effectively compress multiple videos with the same pattern but different video formats. An animation image encoding device AA capable of scalable encoding of an input video a converts the input video a into a video format different from the video format of the input video a through a video format conversion unit, and generates a converted video. In addition, information lost when the video format conversion unit generates the converted video is predicted by the coding end prediction unit. In addition, the first coding unit encodes the input video by using the prediction result of the coding end prediction unit. And, the video converted by the video format converting unit is encoded by the second encoding unit. In addition, after the encoding result of the first coding unit and the encoding result of the second coding unit are multiplexed by the multiplexing unit, the compressed stream b having the scalability of the video format is generated.

Description

technical field [0001] The present invention relates to a moving picture coding device, a moving picture decoding device, a moving picture encoding method, a moving picture decoding method and a program. Background technique [0002] Conventionally, a format such as YUV or RGB has been defined as a method of expressing pixel values ​​in a video signal. In addition, in each format, the sampling method of the color component is defined, and the number of representation bits of a plurality of color components is also defined. [0003] The format or the combination of the sampling method or the number of bits is collectively referred to as the video format below. Between the video formats, it is possible to convert video between them by extraction of pixel values, interpolation processing, and the like. [0004] Wherein, the format refers to, for example, YUV or RGB or Lab or CMYK and the like. In addition, the sampling method refers to, for example, a sampling method of 4:4:...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/105H04N19/186H04N19/187H04N19/33H04N19/30H04N19/40H04N19/423H04N19/50H04N19/59H04N19/61H04N19/625H04N19/91
CPCH04N19/105H04N19/186H04N19/187H04N19/33H04N19/31H04N19/503H04N19/895
Inventor 吉野知伸内藤整
Owner KDDI CORP