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Enhance moving pictures with precise motion information

A technology for image enhancement and target enhancement, which is applied in the field of characteristics of video and moving picture content, and can solve the problems of inability to accurately follow image content and inability to recognize image content.

Active Publication Date: 2019-04-12
IMAX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, image enhancement methods based on tracking similar appearance of the image content of multiple image frames, such as common motion tracking algorithms, may not accurately follow the motion of the image content and, in some cases, may not even recognize Image content in some image frames resulting in

Method used

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  • Enhance moving pictures with precise motion information
  • Enhance moving pictures with precise motion information
  • Enhance moving pictures with precise motion information

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Embodiment Construction

[0025] Certain aspects and features of the present disclosure relate to enhancing a property or properties of an image sequence by computing a trajectory across a plurality of image frames of the image sequence and optimizing enhanced performance along the trajectory. The characteristics of image sequences, including video and motion picture images, can be digitally enhanced by analyzing available image frames in the image sequence and generating precise motion information. Accurate motion information can be obtained by calculating the trajectory of each image pixel in each image frame of the image sequence. The structure of the trajectories may allow image enhancement methods to achieve superior performance by following trajectories representing more precise movements, and to perform based on similar appearance of image content and different appearance of image content.

[0026] An image frame may include a plurality of image pixels, and each pixel may define an image content...

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Abstract

Methods and systems are provided for digitally enhancing characteristics of image sequences, including video and motion picture images. Highly accurate motion information represented by trajectories is generated by analyzing the image frames available in the image sequence. Some embodiments of the invention relate to generating multi-layer trajectories from image sequences. Certain aspects are applicable to the enhancement of three-dimensional (3D) image sequences, including 3D video and 3D motion pictures.

Description

[0001] References to related applications [0002] This application claims priority to U.S. Provisional Application Serial No. 61 / 814,804, entitled "Methods and Systems for Enhancing Motion Pictures with Accurate Motion Information," filed March 25, 2013, the entire contents of which are incorporated herein by reference. technical field [0003] The present disclosure relates generally to the field of digitally enhancing characteristics of image content, and more particularly video and motion picture content for improved viewable display quality. Background technique [0004] For real-world images, especially video and motion pictures, some image content can appear different in different image frames due to many complex factors, such as the presence of noise, lighting changes, changes in lens focus, object Motion, rotation of objects, occlusion, etc. As a result, image enhancement methods based on tracking similar appearance of the image content of multiple image frames, s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N19/51
CPCH04N19/597H04N19/30H04N19/187H04N19/54H04N19/85G06T2207/30241G06T7/32G06T7/246G06T7/262G06T7/285G06T5/00H04N19/51G06T3/4053G06T5/70H04N19/635G06T2207/10016G06T2207/20024G06T2207/20064G06T2207/20182
Inventor 张宁S·Z·周
Owner IMAX CORP