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Method, system and device for displaying image

An image display and image data technology, applied in image communication, television, electrical components, etc., can solve the problem of format incompatibility, save CPU resources and improve decoding efficiency.

Active Publication Date: 2010-07-21
SHENZHEN IPANEL TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The MPEG hardware decoder can decode images dozens of times faster than the CPU, but it is idle due to format incompatibility

Method used

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  • Method, system and device for displaying image
  • Method, system and device for displaying image
  • Method, system and device for displaying image

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0032] see figure 1 , the first embodiment of the image display method in the embodiment of the present invention includes:

[0033] 101. Receive an I frame;

[0034] The digital TV terminal receives the I frame in the cable TV network.

[0035] 102. Generate a video sequence;

[0036] This step is completed by the CPU of the digital TV terminal. First, the middleware calls the generation module, and then generates a video sequence IPPPPPP that meets the MPEG standard with reference to the I frame, including:

[0037] Refer to the I frame to generate the P frame. The number of macroblock strips of the P frame is equal to the number of macroblock strips of the reference I frame. Only the first macroblock and the last macroblock of the macroblocks forming the P frame macroblock are coded macroblocks. The other macroblocks are empty, and the data to be encoded for the first macroblock and the last macroblock are:

[0038] Quantization scale (quantiser_scale_code): optional, b...

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PUM

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Abstract

The invention discloses a method, a system and a device for displaying a static image in a digital TV. The method comprises the steps of: receiving an I frame, and generating a video sequence which is in accordance with a moving picture experts group (MPEG) standard by referring to the I frame; and then, transmitting the generated video sequence to an MPEG hardware decoder for decoding. In the embodiment of the invention, a P frame and a B frame are generated by referring to the I frame, so that the video sequence which is in accordance with the MPEG standard can be generated and then transmitted to the MPEG hardware decoder for decoding, and decoded image is not processed by a CPU; an therefore, the invention saves resource of the CPU, and improves the decoding efficiency.

Description

technical field [0001] The present invention relates to the technical field of digital television, in particular to an image display method, system and corresponding device. Background technique [0002] The Motion Picture Experts Group (MPEG) standard is a compression standard for transmitting audio and video in the multimedia field. The MPEG compression standard is designed for moving images, and its basic method is: collect and save the information of the first frame in a unit time, and then only store the part of the rest of the frames that has changed relative to the first frame, so as to achieve the purpose of compression. The coding method of the first frame is intra-frame coding, and there is no need to refer to other frames for coding. The amount of data is the most complete and largest, also called intra-frame coding frame (I frame, Intra Coded Frame); there are two types of remaining frames, forward prediction frame (P frame, Forward PredictedFrame) and bidirecti...

Claims

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Application Information

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IPC IPC(8): H04N7/26H04N7/50H04N19/20
Inventor 徐佳宏肖友能孙常春
Owner SHENZHEN IPANEL TECH LTD
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