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1. 发明申请

US20150350497A1 METHOD AND SYSTEM FOR A SINGLE FRAME CAMERA MODULE ACTIVE ALIGNMENT TILT CORRECTION 有权
标题翻译：用于单帧相机模块的方法和系统主动对准倾斜校正
公开(公告)号：US20150350497A1
公开(公告)日：2015-12-03
申请号：US14292870
申请日：2014-05-31
申请人： Apple Inc.
发明人： Mark N. Gamadia , Iain A. McAllister , Steven Webster
IPC分类号： H04N5/225 , G02B27/62
CPC分类号： H04N5/2251 , G01M11/00 , G02B27/62 , H04N17/002
摘要： Some embodiments include methods for correcting optical alignment of components in a camera module for a multifunction device. In some embodiments, components of a camera module for use in a multifunction device are assembled on a test station. Some embodiments include a method that includes capturing a single test image, calculating from the spatial frequency response data an optical tilt between the optical axis of a lens and an optical axis of the image sensor of the camera module, and mechanically adjusting an alignment of the lens and the optical axis of the image sensor of the camera module to reduce the optical tilt. In some embodiments, the capturing is performed using the components of the camera module, and the single test image contains visually encoded spatial frequency response data for characterizing the components of the camera module.
摘要翻译：一些实施例包括用于校正用于多功能装置的相机模块中的部件的光学对准的方法。在一些实施例中，用于多功能装置的相机模块的部件组装在测试台上。一些实施例包括一种方法，其包括捕获单个测试图像，从空间频率响应数据计算透镜的光轴与相机模块的图像传感器的光轴之间的光学倾斜，以及机械地调整镜头和相机模块的图像传感器的光轴，以减少光学倾斜。在一些实施例中，使用相机模块的部件执行拍摄，并且单个测试图像包含用于表征相机模块的部件的视觉上编码的空间频率响应数据。

2. 发明授权

US11627244B1 Synchronization of camera focus movement control with frame capture 有权
公开(公告)号：US11627244B1
公开(公告)日：2023-04-11
申请号：US17011804
申请日：2020-09-03
申请人： Apple Inc.
发明人： Abhishek Dhanda , Gregory Guyomarc'h , Michael W. Chin , Mark N. Gamadia , Ling Xiao Wang
IPC分类号： H04N5/232 , H04N5/04 , G03B13/36 , G02B7/36 , G02B7/09
摘要： Various embodiments include synchronization of camera focus movement control with frame capture. In some embodiments, such synchronization may comprise synchronized focus movement control that is based at least in part on integration timing and/or region of interest (ROI) timing. According to some examples, an actuator of a camera module may be controlled such that a lens group and/or an image sensor of the camera module move towards a focus position during one or more time periods (e.g., a non-integration time period in which the image sensor is not being exposed, a non-ROI time period in which a ROI of the image sensor is not being exposed for image capture, and/or a blanking interval, etc.). Additionally, or alternatively, the actuator may be controlled such that the lens group and the image sensor do not move relative to each other in a focus direction during one or more other time periods (e.g., an integration time period in which the image sensor is being exposed, a ROI time period in which the ROI of the image sensor is being exposed, etc.).

3. 发明申请

US20220116544A1 Camera Autofocus Using Time-of-Flight Assistance 有权
公开(公告)号：US20220116544A1
公开(公告)日：2022-04-14
申请号：US17485258
申请日：2021-09-24
申请人： Apple Inc.
发明人： Mark N. Gamadia , Abhishek Dhanda , Gregory Guyomarc'h , Andrew D. Fernandez , Moshe Laifenfeld
IPC分类号： H04N5/232
摘要： Various embodiments disclosed herein include techniques for determining autofocus for a camera on a mobile device. In some instances, depth imaging is used to assist in determining a focus position for the camera through an autofocus process. For example, a determination of depth may be used to determine a focus position for the camera. In another example, the determination of depth may be used to assist another autofocus process.

4. 发明申请

US20230094971A1 Camera Autofocus Using Time-of-Flight Assistance 有权
公开(公告)号：US20230094971A1
公开(公告)日：2023-03-30
申请号：US18061395
申请日：2022-12-02
申请人： Apple Inc.
发明人： Mark N. Gamadia , Abhishek Dhanda , Gregory Guyomarc'h , Andrew D. Fernandez , Moshe Laifenfeld
IPC分类号： H04N5/232
摘要： Various embodiments disclosed herein include techniques for determining autofocus for a camera on a mobile device. In some instances, depth imaging is used to assist in determining a focus position for the camera through an autofocus process. For example, a determination of depth may be used to determine a focus position for the camera. In another example, the determination of depth may be used to assist another autofocus process.

5. 发明申请

US20230081349A1 Object Depth Estimation and Camera Focusing Techniques for Multiple-Camera Systems 有权
公开(公告)号：US20230081349A1
公开(公告)日：2023-03-16
申请号：US17479584
申请日：2021-09-20
申请人： Apple Inc.
发明人： Abhishek Dhanda , Gregory Guyomarc'h , Mark N. Gamadia
IPC分类号： H04N5/232 , H04N5/225 , G03B13/36 , G02B7/28
摘要： Various embodiments disclosed herein include techniques for operating a multiple camera system. In some embodiments, a primary camera may be selected from a plurality of cameras using object distance estimates, distance error information, and minimum object distances for some or all of the plurality of cameras. In other embodiments, a camera may be configured to use defocus information to obtain an object distance estimate to a target object closer than a minimum object distance of the camera. This object distance estimate may be used to assist in focusing another camera of the multi-camera system.

6. 发明授权

US11523043B2 Camera autofocus using time-of-flight assistance 有权
公开(公告)号：US11523043B2
公开(公告)日：2022-12-06
申请号：US17485258
申请日：2021-09-24
申请人： Apple Inc.
发明人： Mark N. Gamadia , Abhishek Dhanda , Gregory Guyomarc'h , Andrew D. Fernandez , Moshe Laifenfeld
IPC分类号： H04N5/232
摘要： Various embodiments disclosed herein include techniques for determining autofocus for a camera on a mobile device. In some instances, depth imaging is used to assist in determining a focus position for the camera through an autofocus process. For example, a determination of depth may be used to determine a focus position for the camera. In another example, the determination of depth may be used to assist another autofocus process.

7. 发明授权

US09210306B1 Method and system for a single frame camera module active alignment tilt correction 有权
标题翻译：单帧相机模块的方法和系统主动对准倾斜校正
公开(公告)号：US09210306B1
公开(公告)日：2015-12-08
申请号：US14292870
申请日：2014-05-31
申请人： Apple Inc.
发明人： Mark N. Gamadia , Iain A. McAllister , Steven Webster
IPC分类号： H04N7/18 , H04N9/47 , H04N5/228 , H04N5/225 , G02B27/62
CPC分类号： H04N5/2251 , G01M11/00 , G02B27/62 , H04N17/002
摘要： Some embodiments include methods for correcting optical alignment of components in a camera module for a multifunction device. In some embodiments, components of a camera module for use in a multifunction device are assembled on a test station. Some embodiments include a method that includes capturing a single test image, calculating from the spatial frequency response data an optical tilt between the optical axis of a lens and an optical axis of the image sensor of the camera module, and mechanically adjusting an alignment of the lens and the optical axis of the image sensor of the camera module to reduce the optical tilt. In some embodiments, the capturing is performed using the components of the camera module, and the single test image contains visually encoded spatial frequency response data for characterizing the components of the camera module.
摘要翻译：一些实施例包括用于校正用于多功能装置的相机模块中的部件的光学对准的方法。在一些实施例中，用于多功能装置的相机模块的部件组装在测试台上。一些实施例包括一种方法，其包括捕获单个测试图像，从空间频率响应数据计算透镜的光轴与相机模块的图像传感器的光轴之间的光学倾斜，以及机械地调整镜头和相机模块的图像传感器的光轴，以减少光学倾斜。在一些实施例中，使用相机模块的部件执行拍摄，并且单个测试图像包含用于表征相机模块的部件的视觉上编码的空间频率响应数据。

8. 发明授权

US11082606B1 Method and system for robust contrast based auto focus in low light 有权
公开(公告)号：US11082606B1
公开(公告)日：2021-08-03
申请号：US16127436
申请日：2018-09-11
申请人： Apple Inc.
发明人： Mark N. Gamadia , Yingjun Bai , Muge Wang
IPC分类号： H04N5/232 , G06K9/32 , G06T7/80
摘要： Determining a focus setting includes determining a plurality of regions of interest in a view of a scene, and, for each of the plurality of regions of interest, obtaining a set of image data for each of multiple focal positions, and then applying focus filters to the set of image data for each of the plurality of focal positions for each of the regions of interest to obtain a set of focus scores, i.e., a focus score for each focus filter applied to the set of image data for each of the focal positions. Further, determining a confidence value associated with each of the sets of focus scores, selecting a subset of the sets of focus scores based on the confidence values associated with each of the sets of focus scores, and determining a focus setting for the scene based on the selected subset of the focus scores.

9. 发明申请

US20140002673A1 LINE PAIR BASED FULL FIELD SHARPNESS TEST 有权
标题翻译：基于线对的全场锐度测试
公开(公告)号：US20140002673A1
公开(公告)日：2014-01-02
申请号：US13630359
申请日：2012-09-28
申请人： APPLE INC.
发明人： Fei Wu , Mark N. Gamadia , Shizhe Shen
IPC分类号： H04N17/00
CPC分类号： H04N17/002
摘要： Optical characteristics of an optical component for a high volume manufacture consumer electronics device can be tested using a test chart composed of a superposition of two or more groups of parallel line pairs, wherein all the groups of parallel line pairs are oriented at a different inclination. The groups of line pairs could be oriented so that they are perpendicular to each other. A test system can quickly and objectively assess for example the sharpness of the optical component in different directions across a full image field of view of an imaging system that is capturing a digital image of the chart using the optical component for through-the-lens imaging. Other embodiments are also described and claimed.
摘要翻译：可以使用由两组或更多组平行线对叠加的测试图来测试用于大容量制造消费电子设备的光学部件的光学特性，其中所有平行线对组都以不同的倾斜取向。线对组可以被定向成使得它们彼此垂直。测试系统可以快速和客观地评估成像系统的整个图像视野中的不同方向的光学部件的清晰度，该成像系统使用用于透镜成像的光学部件捕获图表的数字图像。还描述和要求保护其他实施例。

10. 发明授权

US09307230B2 Line pair based full field sharpness test 有权
标题翻译：基于线对的全场锐度测试
公开(公告)号：US09307230B2
公开(公告)日：2016-04-05
申请号：US13630359
申请日：2012-09-28
申请人： Apple Inc.
发明人： Fei Wu , Mark N. Gamadia , Shizhe Shen
IPC分类号： G06K9/00 , H04N17/00
CPC分类号： H04N17/002
摘要： Optical characteristics of an optical component for a high volume manufacture consumer electronics device can be tested using a test chart composed of a superposition of two or more groups of parallel line pairs, wherein all the groups of parallel line pairs are oriented at a different inclination. The groups of line pairs could be oriented so that they are perpendicular to each other. A test system can quickly and objectively assess for example the sharpness of the optical component in different directions across a full image field of view of an imaging system that is capturing a digital image of the chart using the optical component for through-the-lens imaging. Other embodiments are also described and claimed.
摘要翻译：可以使用由两组或更多组平行线对叠加的测试图来测试用于大容量制造消费电子设备的光学部件的光学特性，其中所有平行线对组都以不同的倾斜取向。线对组可以被定向成使得它们彼此垂直。测试系统可以快速和客观地评估成像系统的整个图像视野中的不同方向的光学部件的清晰度，该成像系统使用用于透镜成像的光学部件捕获图表的数字图像。还描述和要求保护其他实施例。

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