A PROCESS AND SYSTEM FOR AUTOMATICALLY APPLYING COLOR CORRECTION TO A REGION-OF-INTEREST
First Claim
1. In a scene by scene color corrector, a process for automatically applying color correction to a selected region in plurality of frames in a scene, comprising:
- (a) in response to user commands, defining a selected region in a first frame of the plurality of frames;
(b) generating a user defined window for the first frame corresponding to the selected region;
(c) for a subsequent frame of the plurality of images, generating a user defined window for the subsequent frame based on a color parameter associated with a prior frame;
(d) applying color correction to areas within the user defined window region in the subsequent frame.
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Abstract
A system and methods for creating user definable windows for applying image processing, particularly useful in a post-production color correction equipment. The system allows a user of an image processing system such as a scene by scene color corrector to define a color region of interest in an image for purposes of applying image processing only to the region of interest, with automatic tracking of that region of interest over a plurality of frames in a scene. The user defined window, comprising a closed polygon, is converted on a frame-by-frame basis to a matte that is keyed with image processing such as color correction values. The user defined windows can be edited and stored and recalled for use in other frames. The color region of interest is automatically tracked from a beginning frame to the ending frame of a scene, with a vector window defined for each frame, so as to adapt to and compensate for changes in shape, size, and geometry of the region of interest during the succession of frames in the scene.
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Citations
15 Claims
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1. In a scene by scene color corrector, a process for automatically applying color correction to a selected region in plurality of frames in a scene, comprising:
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(a) in response to user commands, defining a selected region in a first frame of the plurality of frames;
(b) generating a user defined window for the first frame corresponding to the selected region;
(c) for a subsequent frame of the plurality of images, generating a user defined window for the subsequent frame based on a color parameter associated with a prior frame;
(d) applying color correction to areas within the user defined window region in the subsequent frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. In a scene by scene color corrector, a system for automatically applying color correction to a plurality of frames in a scene, comprising:
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a component that defines a region in a frame in accordance with a color parameter of the frame;
a component that utilizes a region from a prior frame to define a region in a subsequent frame of the scene; and
a component that applies color correction to areas within the regions of the frames over the selected plurality of frames in the scene. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification