The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 19, 2023

Filed:

Jul. 18, 2022
Applicant:

Grass Valley Canada, Montreal, CA;

Inventors:

Klaas Jan Damstra, Breda, NL;

Marcel Koutstaal, Breda, NL;

Assignee:

GRASS VALLEY CANADA, Montreal, CA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/275 (2006.01); H04N 7/01 (2006.01);
U.S. Cl.
CPC ...
H04N 5/275 (2013.01); H04N 7/0127 (2013.01);
Abstract

A system is provided for capturing a key signal within video frames that includes a camera that captures a sequence of media content of a live scene that includes an electronic display having a higher frame rate than an output frame rate of the camera, and a key signal processor that convert all frames in the sequence of media content to the output frame rate of the camera, analyzes a sequence of frames to determine the key signal based on the electronic display outputting a sequence of frames including media content and at least one key frame included in the sequence, and combine remaining frames of the sequence of frames to create a live output signal. Moreover, the key signal processor determines, for each pixel in the frames, whether the pixel has a set chromaticity, and generates a key mask for each pixel in each frame.


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