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System and method for enhancing the visibility of an object in a digital picture

An object and video technology, applied in image enhancement, digital video signal modification, television, etc., can solve the problem that the ball is not clearly visible

Inactive Publication Date: 2011-03-30
THOMSON LICENSING SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, it is annoying that the ball is not clearly visible when watching a video clip of a soccer or tennis match

Method used

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  • System and method for enhancing the visibility of an object in a digital picture
  • System and method for enhancing the visibility of an object in a digital picture
  • System and method for enhancing the visibility of an object in a digital picture

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Embodiment Construction

[0015] refer to figure 1 , an object enhancement system constructed in accordance with the present invention may span all components in the transmitter 10, or the object enhancement component may be in the receiver 20. There are three stages in the process chain where object highlighting can be performed: (1) pre-processing, where objects are enhanced in the transmitter 10 prior to the encoding (i.e., compression) stage; Refinement of the information in the transmitter 10 to give special treatment to the region of interest containing the object; and (3) post-processing, wherein the information about the object and its position transmitted from the transmitter 10 through the bitstream as metadata is used The object is enhanced in the receiver 20 after decoding the additional information. An object enhancement system constructed in accordance with the invention may be arranged to provide object prominence in only one of the above mentioned stages, in two of the above mentioned...

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Abstract

The visibility of an object in a digital picture is enhanced by comparing an input video of the digital picture with stored information representative of the nature and characteristics of the object to develop object localization information that identifies and locates the object. The input video and the object localization information are encoded and transmitted to a receiver where the input video and the object localization information are decoded and the decoded input video is enhanced by the decoded object localization information.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application Serial No. 61 / 123913 (Attorney Docket No. PU080055), entitled "PROCESSINGOBJECTS WITHIN IMAGES," filed April 11, 2008, which is hereby incorporated by reference Applications are incorporated in their entirety. technical field [0003] The present invention relates generally to the transmission of digital pictures, and in particular to enhancing the visibility of objects of interest in digital pictures, especially digital pictures displayed in units with low resolution, low bit rate video coding. Background technique [0004] There is an increasing need to deliver video content to handheld devices such as cell phones and PDAs. Because of the small screen size, limited bandwidth, and limited processing power at the decoder side, video is encoded at low bitrates at low resolutions. One of the major problems with low-resolution, low-bitrate video...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26G06T5/00G06T7/00
CPCG06T2207/10016H04N19/0089H04N19/00018H04N19/0026H04N19/00545G06T5/003H04N19/0023H04N19/00903G06T5/002H04N19/00072H04N19/0009H04N19/00066G06T5/20H04N19/00236G06T5/001H04N19/00157H04N19/00248H04N19/00387H04N19/119H04N19/46H04N19/124H04N19/162H04N19/17H04N19/80H04N19/167H04N19/20H04N19/85G06T5/73G06T5/70
Inventor 斯塔拉姆·巴加瓦蒂琼·利亚奇俞璜
Owner THOMSON LICENSING SA