Patent
Method and system for providing automatic focus control for a still digital camera
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TLDR
In this article, a method and system for automatically focusing an image within a still camera is disclosed, which includes moving the lens through the plurality of focus zones of the image to obtain exposure and focus information about the image.Abstract:
A method and system for automatically focusing an image within a still camera is disclosed. The method and system comprises providing initial focus and exposure values of the image, calculating an exposure setting for the image, and determining a plurality of focus zones for the image. The method and system includes moving the lens through the plurality of focus zones of the image to obtain exposure and focus information about the image. Through a method and system in accordance with the present invention, a digital still camera can produce a three-dimensional like data set of a scene.read more
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References
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Patent
Imaging apparatus having an automatic focusing means
TL;DR: In this paper, an imaging apparatus makes it possible to precisely focus on an object to be photographed in each photographic mode by controlling the focusing of the object in accordance with the photographic mode.
Patent
Image sensing apparatus having automatic iris function of automatically adjusting exposure in response to video signal
TL;DR: In this article, an object evaluating value is calculated based on an exposure evaluating value in a sampling area designated as a priority area, a target luminance level for exposure control is changed according to the relation between this object evaluation value and exposure evaluating values in sampling areas other than the sampling area selected as the priority area.
Patent
Digital color video camera with auto-focus, auto-exposure and auto-white balance, and an auto exposure system therefor which compensates for abnormal lighting
TL;DR: In this paper, an improved exposure control system is provided which compensates for abnormal lighting conditions, such as, back-lighting or excessive front-lighting of the scene in the field of view of the camera.
Patent
Automatic focus adjusting device in camera system
TL;DR: In this article, a focus adjusting device in a camera system includes a focus detecting circuit for a focusing state of an object image formed on an image plane by a photographic lens, a control circuit for producing a control signal on the basis of an output of the focus detector, and a characteristic detector for detecting a predetermined optical characteristic of the photographic lens.