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

A digital image, object technology, applied in the field of digital image transmission

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, watching a video clip of a soccer game or te

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

Examples

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Embodiment Construction

[0015] refer to figure 1 , the object enhancement system constructed in accordance with the present invention may encompass all components in the transmitter 10, or the object enhancement components may be in the receiver 20. There are three stages in the processing chain in which object highlighting can be performed: (1) pre-processing, which enhances the object in the transmitter 10 before the encoding (i.e., compression) stage; Refinement of the information, giving special processing in the transmitter 10 to the region of interest including the object; and (3) post-processing, after decoding, using the information transmitted from the transmitter 10 through the bit stream as metadata Auxiliary information about the object and its position, the object is enhanced at the receiver 20 . An object enhancement system constructed in accordance with the invention may be arranged to provide object highlighting in only one of the above mentioned stages, or in two of the above mentio...

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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 visibility of the object and the region in which the object is located is enhanced by image processing and the enhanced input video is encoded.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application Serial No. 61 / 123844 (Attorney Docket No. PU080054), entitled "PROCESSING IMAGES HAVING OBJECTS," filed April 11, 2008, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates generally to the transmission of digital images and, in particular, to the enhancement of the visibility of objects of interest in digital images, especially digital images displayed in units with low resolution, low bit rate video encoding. Background technique [0004] There is an increasing need to deliver video content to handheld devices such as cell phones and PDAs. Video is encoded at low bitrates and low resolutions due to small screen sizes, limited bandwidth, and limited decoder-side processing power. A major problem with low-resolution, low-bit-rate video coding is object degradation and loss, wh...

Claims

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Application Information

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IPC IPC(8): G06T5/00G06T7/20
CPCG06T2207/10016A63B2024/0034G06T5/20G06T2207/30224G06T7/20G06T5/002G06T5/003
Inventor 锡塔哈姆·伯哈加瓦西吉恩·拉什余皇
Owner THOMSON LICENSING SA
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