Rahman, 2011 - Google Patents

Real-time face-priority auto-focus and adaptive auto-exposure for digital and cell-phone cameras

Rahman, 2011

Document ID
5479109800352636102
Author
Rahman M
Publication year

External Links

Snippet

Auto-focus (AF) and Auto Exposure (AE) are key features in consumer level digital and cell- phone cameras allowing users to focus automatically and set the exposure automatically. AF provides automatic focusing in order to get sharp images with no user intervention. AE is …
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Classifications

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    • H04N5/225Television cameras; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/232Devices for controlling television cameras, e.g. remote control; Control of cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in, e.g. mobile phones, computers or vehicles
    • H04N5/23219Control of camera operation based on recognized human faces, facial parts, facial expressions or other parts of the human body
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    • H04N5/225Television cameras; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
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    • H04N5/23212Focusing based on image signal provided by the electronic image sensor
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