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Methods and systems for enhanced dynamic range images and video from multiple exposures

A low dynamic range, enhanced frame technology, applied in the field of video sequence encoding and decoding, can solve the problem of high dynamic range acquisition, etc.

Inactive Publication Date: 2014-07-09
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Currently, HDR acquisition is not well addressed for today's environment

Method used

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  • Methods and systems for enhanced dynamic range images and video from multiple exposures
  • Methods and systems for enhanced dynamic range images and video from multiple exposures
  • Methods and systems for enhanced dynamic range images and video from multiple exposures

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Embodiment Construction

[0038] Embodiments of the present invention are best understood by reference to the drawings, wherein like parts are designated by like reference numerals throughout. The figures listed above are expressly incorporated as part of this detailed description.

[0039] It will be readily understood that the components of the invention, generally described and illustrated in the drawings herein, may be arranged and designed in a variety of different configurations. Accordingly, the following more detailed descriptions of embodiments of the methods, apparatus and systems of the invention are not intended to limit the scope of the invention but are merely representative of presently preferred embodiments of the invention.

[0040] Elements of embodiments of the invention may be implemented in hardware, firmware and / or software. Although the exemplary embodiments disclosed herein may only describe one of these forms, it should be understood that those skilled in the art could impleme...

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Abstract

Aspects of the invention relate to systems and methods for video encoding and decoding. Some aspects relate to encoding and decoding an enhanced dynamic range sequence based on a series of low dynamic range (LDR) frames captured under a first exposure configuration, the same series of low dynamic range (LDR) frames captured under a second exposure configuration A sequence of augmented frames multiplied by .

Description

technical field [0001] Some embodiments of the invention include methods and systems for capturing enhanced dynamic range images and video with sensors that are not capable of capturing enhanced dynamic range with a single image capture. Some embodiments also relate to encoding and decoding of video sequences. Background technique [0002] The present invention addresses the problem of capturing high (or higher) dynamic range video using (i) current sensor technology and (ii) a power-constrained imaging platform (eg, a camera phone). [0003] Currently, the problem of high dynamic range acquisition is not well addressed for today's environment. Previous work incorporated higher dynamic range image sensors or used standard dynamic range image sensors to acquire multiple exposures and then fuse the results for output. [0004] Specifically, conventional techniques cannot address the following characteristics: [0005] (1) Acquire enhanced exposure at very low frame rates. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/235H04N5/14H04N19/527H04N19/80H04N19/85H04N19/187H04N19/59H04N19/51G06T5/50H04N23/12
CPCG06T5/50H04N19/187G06T2207/10016H04N19/00903H04N19/00593H04N19/80H04N19/85H04N5/2355H04N19/00745H04N19/00436H04N19/0089H04N19/33H04N19/00321H04N19/537H04N19/59H04N19/527H04N19/00757H04N23/741
Inventor 克里斯托弗·A·塞格尔赵杰容·鲁宾斯坦
Owner SHARP KK