公开(公告)号：US4276471A

公开(公告)日：1981-06-30

申请号：US76550

申请日：1979-09-18

申请人： Ken Utagawa

发明人： Ken Utagawa

IPC分类号： G03B13/36 ,  G02B7/36 ,  G01V1/20

CPC分类号： G02B7/36

摘要： A focus detecting device comprises an image forming optical system, a light beam scanning device for scanning the light beam from the image forming optical system in a predetermined direction and for generating an electrical output corresponding to the scanning direction of the light beam, an image re-forming optical system for re-forming the image formed by the image forming optical system, an image position detecting device for photoelectrically detecting the direction of movement of the image formed by the image re-forming lens, and a discriminating circuit for discriminating between the focusing, the front focus and the backward focus from the direction of movement of the image by the image re-forming optical system with respect to the direction of scanning of the light beam by the scanning optical system on the basis of the outputs of the light beam scanning device and the image position detecting device.

摘要翻译： 焦点检测装置包括图像形成光学系统，用于沿预定方向扫描来自图像形成光学系统的光束并用于产生与光束的扫描方向对应的电输出的光束扫描装置，图像重新 用于重新形成由图像形成光学系统形成的图像的成像光学系统，用于光电检测由图像重构透镜形成的图像的移动方向的图像位置检测装置，以及鉴别电路， 基于图像重构光学系统的图像的移动方向，通过扫描光学系统相对于扫描光学系统的扫描方向，根据光的输出聚焦，前焦和后向焦点 光束扫描装置和图像位置检测装置。

公开(公告)号：US07805067B2

公开(公告)日：2010-09-28

申请号：US12038731

申请日：2008-02-27

申请人： Ken Utagawa

发明人： Ken Utagawa

IPC分类号： G03B3/10 ,  G03B13/34

CPC分类号： H04N5/235 ,  G02B7/346 ,  G02B7/36 ,  H04N5/23212

摘要： A focus detection device for an image forming optical system includes a micro-lens array constituted with a plurality of two-dimensionally arrayed micro-lenses, a light-receiving element array that includes a plurality of light-receiving element s receiving a light flux from the image forming optical system via the micro-lenses, the plurality of light-receiving elements being disposed in correspondence to each micro-lens, and a focus detection unit that generates image data representing an image formed by the image forming optical system and a focus detection signal, which corresponds to a focus adjustment state at the image forming optical system, based upon signals output from the light-receiving elements at the light-receiving element array, and that detects the focus adjustment state at the image forming optical system based upon the image data and the focus detection signal.

摘要翻译： 用于图像形成光学系统的焦点检测装置包括由多个二维排列的微透镜构成的微透镜阵列，包括多个受光元件的光接收元件阵列，所述光接收元件阵列接收来自 所述成像光学系统经由所述微透镜，所述多个光接收元件对应于每个微透镜设置;以及焦点检测单元，其生成表示由所述图像形成光学系统形成的图像和焦点的图像数据 检测信号，其基于从光接收元件阵列处的光接收元件输出的信号，对应于图像形成光学系统处的焦点调整状态，并且基于在图像形成光学系统上的焦点调整状态，基于 图像数据和焦点检测信号。

公开(公告)号：US07755670B2

公开(公告)日：2010-07-13

申请号：US11583777

申请日：2006-10-20

申请人： Ken Utagawa

发明人： Ken Utagawa

IPC分类号： H04N5/235 ,  H04N9/73 ,  H04N9/68 ,  H04N5/262 ,  H04N5/208 ,  G06K9/00 ,  G02B5/12

CPC分类号： H04N9/68 ,  H04N9/045

摘要： The present invention relates to a tone-conversion device for converting a tone of an image having an achromatic signal and a chromatic signal, and it includes the following components: a signal extracting unit defining an achromatic signal of a first pixel or a second pixel from plural pixels as an achromatic signal value, the second pixel being in an immediate neighborhood; a neighborhood processing unit generating a local signal of the first pixel according to the achromatic signal and the chromatic signal of a third pixel contained in the neighborhood area which is larger than the second pixel; a gain determining unit determining a conversion gain for the first pixel according to the achromatic signal value and the local signal; and a tone conversion unit performing tone conversion by multiplying the signal component of the first pixel by the conversion gain.

摘要翻译： 本发明涉及一种用于转换具有无彩色信号和彩色信号的图像的色调的色调转换装置，并且其包括以下部件：信号提取单元，其定义第一像素或第二像素的无彩色信号 多个像素作为消色差信号值，第二像素在紧邻中; 邻域处理单元，根据所述消色差信号和所述邻域中包含的比所述第二像素大的第三像素的色信号，生成所述第一像素的本地信号; 增益确定单元，根据所述无彩色信号值和所述本地信号确定所述第一像素的转换增益; 以及色调转换单元，通过将第一像素的信号分量乘以转换增益来执行色调转换。

公开(公告)号：US07706628B2

公开(公告)日：2010-04-27

申请号：US11225132

申请日：2005-09-14

申请人： Ken Utagawa

发明人： Ken Utagawa

IPC分类号： G06K9/40

CPC分类号： H04N1/6027 ,  H04N1/6005 ,  H04N9/68 ,  H04N9/77

摘要： An image processing apparatus of the present invention receives a luminance signal indicating luminance or an amount of brightness and input signals indicating a plurality of color differences, and it includes: a signal generator generating a signal Z depending on the input signals indicating the plural color differences; a gain generator generating a transformation gain k(Z) by using the signal Z; and a tone transformation unit which multiplies the luminance signal by the transformation gain k(Z) to calculate a luminance signal after tone transformation.

摘要翻译： 本发明的图像处理装置接收指示亮度的亮度信号或指示多个色差的输入信号，其包括：根据表示多个色差的输入信号生成信号Z的信号发生器 ; 通过使用信号Z产生变换增益k（Z）的增益发生器; 以及色调变换单元，其将亮度信号乘以变换增益k（Z），以计算色调变换后的亮度信号。

公开(公告)号：US20090295964A1

公开(公告)日：2009-12-03

申请号：US12453994

申请日：2009-05-28

申请人： Ken Utagawa ,  Yosuke Kusaka

发明人： Ken Utagawa ,  Yosuke Kusaka

IPC分类号： H04N5/335 ,  H04N5/232

CPC分类号： H04N5/23212 ,  H04N5/2254 ,  H04N5/345

摘要： An image sensor includes: a plurality of imaging pixels; and a plurality of focus detection pixels constituted with a micro-lens and a photoelectric conversion element that receives a focus detection light flux transmitted through a photographic optical system and executes photoelectric conversion. The photoelectric conversion element in each of the focus detection pixels includes a light-receiving area where the focus detection light flux is received; light-receiving area images corresponding to each of the focus detection pixels are each formed as the light-receiving area is projected via the micro-lens onto a pupil plane of the photographic optical system; and a positional relationship of the micro-lens and the light-receiving area is determined in correspondence to an image height so that the light-receiving area images corresponding to all the focus detection pixels are superimposed on one another on the pupil plane.

摘要翻译： 图像传感器包括：多个成像像素; 以及由微透镜和光电转换元件构成的多个焦点检测像素，其接收透过摄影光学系统的焦点检测光束并执行光电转换。 每个焦点检测像素中的光电转换元件包括接收焦点检测光束的光接收区域; 每个焦点检测像素对应的光接收区域图像分别形成为：受光区域经由微透镜投射到摄影光学系统的光瞳平面上; 并且根据图像高度确定微透镜和光接收区域的位置关系，使得对应于所有焦点检测像素的光接收区域图像在瞳孔平面上彼此重叠。

公开(公告)号：US20080302947A1

公开(公告)日：2008-12-11

申请号：US12155737

申请日：2008-06-09

申请人： Ken Utagawa

发明人： Ken Utagawa

IPC分类号： G02B7/34

CPC分类号： G02B27/40 ,  G02B7/32

摘要： A focus detection device includes a micro lens array having a plurality of micro lenses, a light receiving element array having a plurality of light receiving elements for each micro lens and that receives light rays from a plurality of partial areas in which pupils of an imaging optical system are different from each other, in a plurality of light receiving elements respectively through each micro lens and a focus detection calculation circuit. The device generates at least three signal strings respectively corresponding to images of light rays which have been transmitted through at least three of the partial areas, based on signals output from the plurality of light receiving elements of the light receiving element array. The device obtains, from the at least three signal strings, shift amounts of two signal strings corresponding to two partial areas, and detects a focus adjustment state of an imaging optical system based on the obtained plurality of shifts amounts.

摘要翻译： 焦点检测装置包括具有多个微透镜的微透镜阵列，具有用于每个微透镜的多个光接收元件的光接收元件阵列，并且其接收来自成像光学系统的多个部分区域的光线 系统在分别通过每个微透镜的多个光接收元件和焦点检测计算电路中彼此不同。 基于从光接收元件阵列的多个光接收元件输出的信号，该装置分别对应于已经通过至少三个部分区域传输的光线的图像分别产生至少三个信号串。 该装置从至少三个信号串中获得对应于两个部分区域的两个信号串的移位量，并且基于获得的多个移位量来检测成像光学系统的焦点调整状态。

公开(公告)号：US20070201067A1

公开(公告)日：2007-08-30

申请号：US11797330

申请日：2007-05-02

申请人： Sadami Okada ,  Satoshi Ejima ,  Ken Utagawa ,  Hideaki Matsuda ,  Kenichi Ishiga

发明人： Sadami Okada ,  Satoshi Ejima ,  Ken Utagawa ,  Hideaki Matsuda ,  Kenichi Ishiga

IPC分类号： B41J5/00

CPC分类号： H04N19/184 ,  H04N1/32128 ,  H04N5/772 ,  H04N5/907 ,  H04N9/8042 ,  H04N19/50 ,  H04N19/593 ,  H04N2201/3225 ,  H04N2201/3242 ,  H04N2201/3277

摘要： The present invention is intended to record image data having a wide dynamic range is a file together with image data having a narrow dynamic range. First, an image recording apparatus separately gradation-converts image data to be recorded into primary data having a narrow dynamic range and secondary data having a wide dynamic range. Then, the image recording apparatus calculates data that determines correlation between the primary data and secondary data and employs the calculated data as tertiary data. The image recording apparatus records the primary data and the tertiary data in a file. On the other hand, an image reproducing apparatus reads out primary data and tertiary data that were recorded in the above manner and reproduces secondary data having a wide dynamic range based on the primary data and the tertiary data.

公开(公告)号：US20070154200A1

公开(公告)日：2007-07-05

申请号：US11645663

申请日：2006-12-27

申请人： Ken Utagawa ,  Yosuke Kusaka

发明人： Ken Utagawa ,  Yosuke Kusaka

IPC分类号： G03B13/00

CPC分类号： G03B13/36 ,  G02B7/36 ,  G02B27/46 ,  H04N5/23212 ,  H04N9/045

摘要： An image sensor includes: image capturing pixels and focus detection pixels disposed together on a single substrate; and adjacent pixels that are not equipped with a photoelectric conversion unit and are disposed adjacent to the focus detection pixels.

摘要翻译： 图像传感器包括：在单个基板上一起设置的图像捕获像素和焦点检测像素; 和没有配备光电转换单元并且邻近焦点检测像素设置的相邻像素。

公开(公告)号：US07233414B2

公开(公告)日：2007-06-19

申请号：US09761623

申请日：2001-01-17

申请人： Sadami Okada ,  Satoshi Ejima ,  Ken Utagawa ,  Hideaki Matsuda ,  Kenichi Ishiga

发明人： Sadami Okada ,  Satoshi Ejima ,  Ken Utagawa ,  Hideaki Matsuda ,  Kenichi Ishiga

IPC分类号： H04N1/40 ,  G06K15/00

CPC分类号： H04N19/184 ,  H04N1/32128 ,  H04N5/772 ,  H04N5/907 ,  H04N9/8042 ,  H04N19/50 ,  H04N19/593 ,  H04N2201/3225 ,  H04N2201/3242 ,  H04N2201/3277

摘要： The present invention is intended to record image data having a wide dynamic range is a file together with image data having a narrow dynamic range. First, an image recording apparatus separately gradation-converts image data to be recorded into primary data having a narrow dynamic range and secondary data having a wide dynamic range. Then, the image recording apparatus calculates data that determines correlation between the primary data and secondary data and employs the calculated data as tertiary data. The image recording apparatus records the primary data and the tertiary data in a file. On the other hand, an image reproducing apparatus reads out primary data and tertiary data that were recorded in the above manner and reproduces secondary data having a wide dynamic range based on the primary data and the tertiary data.

摘要翻译： 本发明旨在将具有宽动态范围的图像数据与具有窄动态范围的图像数据一起记录。 首先，图像记录装置将要记录的图像数据分级灰度转换为具有窄动态范围的主数据和具有宽动态范围的二次数据。 然后，图像记录装置计算确定主数据和次数据之间的相关性的数据，并将所计算的数据用作三级数据。 图像记录装置将主数据和第三数据记录在文件中。 另一方面，图像再现装置读出以上述方式记录的主数据和第三数据，并且再现基于主数据和第三数据的宽动态范围的二次数据。

公开(公告)号：US20060062452A1

公开(公告)日：2006-03-23

申请号：US11225132

申请日：2005-09-14

申请人： Ken Utagawa

发明人： Ken Utagawa

IPC分类号： G06K9/00

CPC分类号： H04N1/6027 ,  H04N1/6005 ,  H04N9/68 ,  H04N9/77

摘要： An image processing apparatus of the present invention receives a luminance signal indicating luminance or an amount of brightness and input signals indicating a plurality of color differences, and it includes: a signal generator generating a signal Z depending on the input signals indicating the plural color differences; a gain generator generating a transformation gain k(Z) by using the signal Z; and a tone transformation unit which multiplies the luminance signal by the transformation gain k(Z) to calculate a luminance signal after tone transformation.

摘要翻译： 本发明的图像处理装置接收指示亮度的亮度信号或指示多个色差的输入信号，其包括：根据表示多个色差的输入信号生成信号Z的信号发生器 ; 通过使用信号Z产生变换增益k（Z）的增益发生器; 以及色调变换单元，其将亮度信号乘以变换增益k（Z），以计算色调变换后的亮度信号。