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1.发明授权公开(公告)号：US12212863B2
公开(公告)日：2025-01-28
申请号：US18370441
申请日：2023-09-20
Applicant: Phase One A/S
Inventor： Lau Nørgaard , Thomas Andersen
IPC: H04N25/532 , H04N25/78
Abstract: In global shutter image sensors, the light shields are often not completely lightproof and incoming light causes continued exposure even after the global shutter is shut. This ‘parasitic light’ degrades the recorded image. Disclosed is a method, performed by an imaging device with a global shutter image sensor, for recording an image with reduced degrading effects from parasitic light in the image sensor. The disclosed device and related method combine the global shutter functionality of the global shutter image sensor with a shutter such as a mechanical shutter. A precise synchronization of the closing of the shutter means that the shutter can block all incoming light—and thus stop parasitic light in the image sensor—shortly after the exposure is stopped by the global shutter image sensor. This allows the imaging device to record very short exposure images without the detrimental effects of parasitic light.
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公开(公告)号：US20160353006A1
公开(公告)日：2016-12-01
申请号：US15167492
申请日：2016-05-27
Applicant: Phase One A/S
Inventor： Thomas Andersen
CPC classification number: H04N5/23212 , G02B7/34 , G02B7/36 , G03B13/36 , H04N5/3696 , H04N5/374 , H04N17/002
Abstract: The invention relates to a phase-detection autofocus system using a single two-dimensional (2D) image sensor as an autofocus sensor. This allows for a number of novel functionalities such as calibration by adaptive selection of pixels for the autofocus collection zone, dynamically optimization of the collection zone for various scene and lightning conditions, as well as the use of 2D phase signals in the cross-correlation. This freedom in selecting which pixels to use gives rise to an equivalent freedom for the focus points presented to the user, which can be created, moved and scaled according to the conditions and the scene.
Abstract translation: 本发明涉及使用单个二维（2D）图像传感器作为自动对焦传感器的相位检测自动对焦系统。 这允许许多新颖的功能，例如通过自动聚焦区域的像素的自适应选择的校准，针对各种场景和闪电条件的采集区域的动态优化，以及在互相关中使用2D相位信号。 在选择使用哪些像素时的这种自由度提供了呈现给用户的对焦点的等同自由度，其可以根据条件和场景被创建，移动和缩放。
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公开(公告)号：US10158796B2
公开(公告)日：2018-12-18
申请号：US15167492
申请日：2016-05-27
Applicant: Phase One A/S
Inventor： Thomas Andersen
Abstract: The invention relates to a phase-detection autofocus system using a single two-dimensional (2D) image sensor as an autofocus sensor. This allows for a number of novel functionalities such as calibration by adaptive selection of pixels for the autofocus collection zone, dynamically optimization of the collection zone for various scene and lightning conditions, as well as the use of 2D phase signals in the cross-correlation. This freedom in selecting which pixels to use gives rise to an equivalent freedom for the focus points presented to the user, which can be created, moved and scaled according to the conditions and the scene.
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