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1. 发明授权

US08976268B2 Image processing apparatus and image processing method for performing image synthesis 有权
标题翻译：用于执行图像合成的图像处理装置和图像处理方法
公开(公告)号：US08976268B2
公开(公告)日：2015-03-10
申请号：US13834121
申请日：2013-03-15
申请人： Canon Kabushiki Kaisha
发明人： Mitsuaki Hattori
IPC分类号： H04N5/262 , H04N5/235 , H04N5/232
CPC分类号： H04N5/2351 , H04N5/23232 , H04N5/23258 , H04N5/23267 , H04N5/2353
摘要： An image processing apparatus capable of properly synthesizing a strobe-illuminated image and non-strobe-illuminated images, irrespective of a condition for illuminating a photographic subject. A sensitivity of strobe emission photographing is set to be lower than a sensitivity of non-strobe emission photographing, and a strobe-illuminated image and plural sheets of non-strobe-illuminated images are continuously photographed with the set sensitivities. The strobe-illuminated image is gain-processed with a gain amount, and positional deviations of the plural sheets of non-strobe-illuminated images relative to the strobe-illuminated image are corrected. An averaged image obtained by synthesizing the gain-processed image and the images after the positional deviation correction is synthesized with the strobe-illuminated image, while taking account of amounts of strobe illumination in the strobe-illuminated image, thereby obtaining a synthesized image.
摘要翻译：能够适当地合成选通照明图像和非闪光照明图像的图像处理装置，而不管照射被摄体的条件如何。频闪发射拍摄的灵敏度被设定为低于非选通发射拍摄的灵敏度，并且以设定的灵敏度连续地拍摄闪光照明图像和多张非闪光照明图像。频闪照明图像以增益量进行增益处理，校正多张非闪光照相图像相对于闪光灯照射图像的位置偏差。通过合成增益处理图像和位置偏差校正后的图像获得的平均图像，同时考虑到闪光照明图像中的闪光灯照射量，并与闪光照明图像合成，从而获得合成图像。

2. 发明申请

US20160212398A1 IMAGE PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND PROGRAM 有权
标题翻译：图像处理设备，信息处理方法和程序
公开(公告)号：US20160212398A1
公开(公告)日：2016-07-21
申请号：US14996619
申请日：2016-01-15
申请人： CANON KABUSHIKI KAISHA
发明人： Mitsuaki Hattori , Junji Tada
IPC分类号： H04N9/73 , H04N5/235
CPC分类号： H04N9/735 , H04N5/2357
摘要： An object is to provide an image with optimal white balance correction in photographing under a flicker light source, regardless of the shutter speed. Provided is an image processing apparatus including a white balance correction unit that extracts data of a predetermined color extraction range from a captured image to estimate a light source color and that uses a white balance correction value adapted to the estimated light source color to apply white balance correction to the captured image, the image processing apparatus including a shifting unit that shifts the color extraction range according to a shutter speed applied to imaging of the captured image.
摘要翻译：目的是提供在闪光光源下的拍摄中具有最佳白平衡校正的图像，而与快门速度无关。提供一种图像处理装置，包括白平衡校正单元，其从拍摄图像提取预定颜色提取范围的数据以估计光源颜色，并且使用适合于估计的光源颜色的白平衡校正值来应用白平衡校正所捕获的图像，所述图像处理装置包括移位单元，所述移位单元根据应用于拍摄图像的成像的快门速度来移动所述颜色提取范围。

3. 发明申请

US20220286655A1 IMAGE PROCESSING APPARATUS, CONTROL METHOD THEREOF, AND STORAGE MEDIUM 有权
公开(公告)号：US20220286655A1
公开(公告)日：2022-09-08
申请号：US17684571
申请日：2022-03-02
申请人： CANON KABUSHIKI KAISHA
发明人： Mitsuaki Hattori
IPC分类号： H04N9/73 , H04N9/77
摘要： An image processing apparatus obtains an image captured in an image capturing and sets a white balance recording mode for recording the image as a still image and a white balance display mode for displaying the image before being captured as the still image on a display. The apparatus controls white balance correction performed on the image captured in the image capturing. In a case where a first display mode that is included in the display mode is set, the apparatus sets an amount of a light source color that remains after the white balance correction is performed on the image before being captured as the still image in the first display mode to be larger than the amount of the light source color that remains after the white balance correction is performed on the still image in the recording mode.

4. 发明申请

US20210360213A1 IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM 有权
公开(公告)号：US20210360213A1
公开(公告)日：2021-11-18
申请号：US17318657
申请日：2021-05-12
申请人： CANON KABUSHIKI KAISHA
发明人： Mitsuaki Hattori
IPC分类号： H04N9/73 , G06K9/00
摘要： An image processing apparatus includes a detection unit configured to detect two or more specific objects from a captured image, a first color estimation unit configured to estimate a first light source color from color information about a first specific object among the detected specific objects, a second color estimation unit configured to estimate a second light source color from color information about a second specific object among the detected specific objects, a third color estimation unit configured to estimate a third light source color from color information about an area including other than the detected specific objects, and a calculation unit configured to calculate a white balance correction value to be applied to the captured image by assigning a weight to at least one of the first, second, and third light source colors based on degrees of similarity between the first, second, and third light source colors.

5. 发明授权

US09736445B2 Image processing apparatus, information processing method and program 有权
公开(公告)号：US09736445B2
公开(公告)日：2017-08-15
申请号：US14996619
申请日：2016-01-15
申请人： CANON KABUSHIKI KAISHA
发明人： Mitsuaki Hattori , Junji Tada
IPC分类号： H04N9/73 , H04N5/235
CPC分类号： H04N9/735 , H04N5/2357
摘要： An object is to provide an image with optimal white balance correction in photographing under a flicker light source, regardless of the shutter speed. Provided is an image processing apparatus including a white balance correction unit that extracts data of a predetermined color extraction range from a captured image to estimate a light source color and that uses a white balance correction value adapted to the estimated light source color to apply white balance correction to the captured image, the image processing apparatus including a shifting unit that shifts the color extraction range according to a shutter speed applied to imaging of the captured image.

6. 发明授权

US11405598B2 Image processing apparatus, image processing method, and storage medium 有权
公开(公告)号：US11405598B2
公开(公告)日：2022-08-02
申请号：US17318657
申请日：2021-05-12
申请人： CANON KABUSHIKI KAISHA
发明人： Mitsuaki Hattori
IPC分类号： H04N9/73 , G06V20/20
摘要： An image processing apparatus includes a detection unit configured to detect two or more specific objects from a captured image, a first color estimation unit configured to estimate a first light source color from color information about a first specific object among the detected specific objects, a second color estimation unit configured to estimate a second light source color from color information about a second specific object among the detected specific objects, a third color estimation unit configured to estimate a third light source color from color information about an area including other than the detected specific objects, and a calculation unit configured to calculate a white balance correction value to be applied to the captured image by assigning a weight to at least one of the first, second, and third light source colors based on degrees of similarity between the first, second, and third light source colors.

7. 发明申请

US20130222649A1 IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD 审中-公开
公开(公告)号：US20130222649A1
公开(公告)日：2013-08-29
申请号：US13859256
申请日：2013-04-09
申请人： CANON KABUSHIKI KAISHA
发明人： Mitsuaki Hattori
IPC分类号： H04N5/262
CPC分类号： H04N5/2628 , G06T11/00 , G06T2210/22 , H04N3/23
摘要： An image processing apparatus which includes an image processing unit and a system control unit, wherein this system control unit adds information for determining an image height reference position of an image before cropping processing is performed to an image cropped by the image processing unit, and records the resultant image in an external storage device. Alternatively, information for determining an image height reference position of an image before rotation processing is performed is added to an image rotated by the image processing unit, and the resultant image is recorded in an external storage device.

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