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公开(公告)号：US11310461B2
公开(公告)日：2022-04-19
申请号：US17140202
申请日：2021-01-04
发明人： Masayuki Aihara , Shigenori Yatsuri , Yoshio Matsumura , Hiroyuki Shobayashi , Katsumi Umeda , Shigeharu Kawamoto , Kazuki Miyama
摘要： An imaging apparatus is attached to a side of a moving body (for example, vehicle). The imaging apparatus includes an image sensor and an optical system that forms a subject image in a range of a predetermined vertical view angle and a predetermined horizontal view angle on an imaging surface. The optical system forms an image on the imaging surface so as to cause resolution in first region (R1) of the imaging surface to be higher than resolution in second region (R2) different from the first region. A position of center (G1) of first region (R1) is at least one of a position horizontally shifted from a center of the horizontal view angle and a position vertically shifted from a center of the vertical view angle.
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公开(公告)号：US11159744B2
公开(公告)日：2021-10-26
申请号：US15888002
申请日：2018-02-03
IPC分类号： H04N5/265 , G02B3/02 , H04N5/232 , G02B13/18 , G06K9/00 , H04N7/18 , B60R1/00 , H04N5/247 , B60R11/04 , H04N5/225
摘要： An imaging system includes: a first imaging apparatus including a first imaging element and a first optical system; and a generator that generates an image based on image data acquired from the first imaging element. The first optical system includes a first free-form surface lens that has a shape that allows an image to be formed on the first imaging element such that a resolution is different between a portion of a predetermined region and another portion of the predetermined region, the resolution being defined as a total number of imaging pixels that capture an image within a unit field angle on a horizontal plane.
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公开(公告)号：US10447948B2
公开(公告)日：2019-10-15
申请号：US16035595
申请日：2018-07-14
摘要： Imaging system (70) disposed at a rear part of moving body (100) includes imaging device (10) and image processing device (20). Imaging device (10) includes an imaging element and an optical system. The imaging element has a plurality of pixels arranged in a two-dimensional manner and generates image data. The optical system forms a subject image on an imaging surface of the imaging element. Image processing device (20) generates a captured image based on the image data. The imaging surface includes a first region corresponding to a first view angle and a second region corresponding to a second view angle that is larger than the first view angle. The optical system is configured so that resolution of the first region is higher than resolution of the second region excluding the first region. A center of the first region is disposed at a position deviated from a center of the imaging surface.
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公开(公告)号：US10852516B2
公开(公告)日：2020-12-01
申请号：US16442463
申请日：2019-06-15
IPC分类号： G02B13/18 , G01C3/10 , H04N5/225 , G01C11/06 , G02B13/00 , G01B11/24 , G06T7/55 , G01C11/02 , G01C11/30 , G02B3/02
摘要： An imaging device having an optical system including a free-form surface lens with rotationally asymmetric shape that forms an image on an imaging surface such that a resolution of a first region in front of the predetermined region is higher than a resolution of a second region at a lateral side of the predetermined region. The free-form surface lens has a shape that forms the image such that a resolution of a portion at a predetermined first distance away from a center of the first region in a vertical direction is different from a resolution of a portion at the predetermined first distance away from the center of the first region in a horizontal direction, the vertical direction being orthogonal to the horizontal direction, in the imaging element, in which the first region and the second region are aligned.
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公开(公告)号：US10365462B2
公开(公告)日：2019-07-30
申请号：US15854797
申请日：2017-12-27
IPC分类号： G01C3/10 , G02B3/02 , G06T7/55 , G01B11/24 , G01C11/02 , G01C11/06 , G01C11/30 , G02B13/00 , G02B13/18 , H04N5/225
摘要： A distance measurement system includes: an imaging device including an imaging element where a plurality of imaging pixels are arranged in matrix, and an optical system forming an image of a predetermined region on an imaging surface of the imaging element; and a distance measurer determining a distance to a target object based on data of the image obtained from the imaging element, wherein the optical system includes a free-form surface lens having a rotationally asymmetric shape that forms the image on the imaging surface such that a resolution of a first region in front of the region is higher than that of a second region at a lateral side of the region, each of the resolutions being a ratio of the number of ones of the imaging pixels used to pick up an image included in per unit angle of view to a total number of the imaging pixels.
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公开(公告)号：US09667857B2
公开(公告)日：2017-05-30
申请号：US14878009
申请日：2015-10-08
发明人： Masayuki Aihara
IPC分类号： H04N5/225 , H04N5/232 , G10K11/34 , G10L21/0264 , H04R3/00
CPC分类号： H04N5/23212 , G10K11/341 , G10L21/0264 , H04N5/232 , H04R3/005 , H04R2410/05 , H04R2499/11
摘要： Provided is an imaging apparatus that performs sound processing suitable for each type of AF operation according to a lens f-number so that recorded sound is clear and contains little noise. The imaging apparatus includes a lens, a microphone for recording sound, and a filter configured to reduce noise contained in an output signal of the microphone. The noise reduction level of the filter is controlled according to the lens f-number so that the noise reduction level of the filter is increased when the lens f-number is large than when the lens f-number is small.
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公开(公告)号：US10917610B2
公开(公告)日：2021-02-09
申请号：US16413733
申请日：2019-05-16
发明人： Masayuki Aihara , Shigenori Yatsuri , Yoshio Matsumura , Hiroyuki Shobayashi , Katsumi Umeda , Shigeharu Kawamoto , Kazuki Miyama
摘要： An imaging apparatus is attached to a side of a moving body (for example, vehicle). The imaging apparatus includes an image sensor and an optical system that forms a subject image in a range of a predetermined vertical view angle and a predetermined horizontal view angle on an imaging surface. The optical system forms an image on the imaging surface so as to cause resolution in first region (R1) of the imaging surface to be higher than resolution in second region (R2) different from the first region. A position of center (G1) of first region (R1) is at least one of a position horizontally shifted from a center of the horizontal view angle and a position vertically shifted from a center of the vertical view angle.
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