Invention Grant
- Patent Title: Real-time semantic-aware camera exposure control
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Application No.: US15671067Application Date: 2017-08-07
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Publication No.: US10530991B2Publication Date: 2020-01-07
- Inventor: Baoyuan Wang , Sing Bing Kang
- Applicant: Microsoft Technology Licensing, LLC
- Applicant Address: US WA Redmond
- Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
- Current Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
- Current Assignee Address: US WA Redmond
- Agency: Alleman Hall Creasman & Tuttle LLP
- Main IPC: H04N5/232
- IPC: H04N5/232 ; G06K9/00 ; G06N3/02 ; H04N5/235 ; G06N3/04 ; G06N3/08

Abstract:
An “Exposure Controller” provides various techniques for training and applying a deep convolution network to provide real-time automated camera exposure control, as a real-time function of scene semantic context, in a way that improves image quality for a wide range of image subject types in a wide range of real-world lighting conditions. The deep learning approach applied by the Exposure Controller to implement this functionality first uses supervised learning to achieve a good anchor point that mimics integral exposure control for a particular camera model or type, followed by refinement through reinforcement learning. The end-to-end system (e.g., exposure control and image capture) provided by the Exposure Controller provides real-time performance for predicting and setting camera exposure values to improve overall visual quality of the resulting image over a wide range of image capture scenarios (e.g., back-lit scenes, front lighting, rapid changes to lighting conditions, etc.).
Public/Granted literature
- US20180220061A1 REAL-TIME SEMANTIC-AWARE CAMERA EXPOSURE CONTROL Public/Granted day:2018-08-02
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