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US Patent 9792674 Perspective correction for curved display screens

Patent 9792674 was granted and assigned to Netflix on October, 2017 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Patent Applicant
Netflix
Netflix
Current Assignee
Netflix
Netflix
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9792674
Date of Patent
October 17, 2017
Patent Application Number
15097055
Date Filed
April 12, 2016
Patent Citations Received
‌
US Patent 11699294 Optical character recognition of documents having non-coplanar regions
3
Patent Primary Examiner
‌
Tsung-Yin Tsai
Patent abstract

One embodiment of the present invention sets forth a technique for performing perspective correction on one or more test images. The technique includes analyzing a first test image to detect a set of outer points and calculating a geometric plane equation based on the set of outer points. The technique further includes projecting a first set of points associated with a first curved screen model based on the geometric plane equation to generate a second set of points. The technique further includes comparing the second set of points to a set of inner points included in the first test image to determine at least one error value, and determining a screen curvature value based on the at least one error value.

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