Invention Grant
- Patent Title: Applying chroma suppression to image data in a scaler of an image processing pipeline
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Application No.: US14841400Application Date: 2015-08-31
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Publication No.: US09911177B2Publication Date: 2018-03-06
- Inventor: Suk Hwan Lim , D. Amnon Silverstein
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Meyertons, Hood, Kivlin, Kowert & Goetzel, P.C.
- Agent Robert C. Kowert
- Main IPC: G09G5/02
- IPC: G09G5/02 ; G06T3/40 ; H04N5/213 ; H04N7/01 ; H04N9/70

Abstract:
An image processing pipeline may apply chroma suppression to image data at a scaler implemented in the image processing pipeline. Image data collected for an image may be received at a scaler that is encoded in a color space that includes a luminance component and chrominance components. When resampling the image data to generate a different size of the image, the scaler may attenuate the chrominance components of the image data according to the luminance component of the image data. The scaler may also perform dot error correction and convert the image data from one subsampling scheme to another.
Public/Granted literature
- US20170061576A1 APPLYING CHROMA SUPPRESSION TO IMAGE DATA IN A SCALER OF AN IMAGE PROCESSING PIPELINE Public/Granted day:2017-03-02
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