公开(公告)号：US20060268127A1

公开(公告)日：2006-11-30

申请号：US11440392

申请日：2006-05-24

申请人： Kazuchika Sato ,  Masataka Hamada ,  Yasuaki Serita ,  Tsuyoshi Iwamoto ,  Koichi Kamon ,  Tomokazu Kakumoto

发明人： Kazuchika Sato ,  Masataka Hamada ,  Yasuaki Serita ,  Tsuyoshi Iwamoto ,  Koichi Kamon ,  Tomokazu Kakumoto

IPC分类号： H04N5/76

CPC分类号： H04N5/772 ,  H04N5/235 ,  H04N5/2355 ,  H04N5/35518 ,  H04N5/907 ,  H04N9/7921 ,  H04N9/8047

摘要： When picking up an image using an image pickup device having a photoelectric conversion characteristic composed of a linear characteristic region and a logarithmic characteristic region, regardless of an image pickup mode and a recording mode, an image pickup apparatus always obtaining optimum images will be provided. An image pickup apparatus for recording any of an unprocessed image, an image subject to a predetermined image process and image compression, and an image subject to the predetermined image process, a wide dynamic range image processing, and image compression in accordance with the image pickup mode and recording mode, thereby always obtaining optimum images will be provided.

摘要翻译： 当使用具有由线性特征区域和对数特征区域组成的光电转换特性的图像拾取装置拾起图像时，不管图像拾取模式和记录模式如何，将提供始终获得最佳图像的图像拾取装置。 一种图像拾取装置，用于记录未处理的图像，经过预定图像处理和图像压缩的图像，以及根据图像拾取的预定图像处理，宽动态范围图像处理和图像压缩的图像 模式和记录模式，从而总是获得最佳图像。

公开(公告)号：US07839442B2

公开(公告)日：2010-11-23

申请号：US11236388

申请日：2005-09-27

申请人： Tomokazu Kakumoto ,  So Yano ,  Masayuki Kusuda ,  Kazuchika Sato ,  Yoshihiro Tanaka

发明人： Tomokazu Kakumoto ,  So Yano ,  Masayuki Kusuda ,  Kazuchika Sato ,  Yoshihiro Tanaka

IPC分类号： H04N3/14

CPC分类号： H04N5/3653

摘要： An object of the present invention is to provide a solid-state image sensing device configured to change a bias voltage given to the photoelectric converting section at the time of resetting so that an operative condition of the photoelectric converting section after the resetting can be maintained a constant condition regardless of an amount of the incident light. To achieve the object, an MOS transistor T5 is provided. The drain of the MOS transistor T5 is connected with a gate and a drain of an MOS transistor T2 and the source of the MOS transistor T5configured to be applied a DC voltage VRS. Here, a signal Φ V is given, an MOS transistor T4is turned on, and image data is output. A signal Φ RS is given and the MOS transistor T5 is turned on. As a result, a gate voltage Vg of the MOS transistor T2 is maintained as a constant voltage value. Then, a reset operation for pixels is stared.

摘要翻译： 本发明的目的是提供一种固态图像感测装置，其被配置为在复位时改变给予光电转换部的偏置电压，从而能够维持复位后的光电转换部的工作状态 恒定条件，而不管入射光的量如何。 为了实现该目的，提供了MOS晶体管T5。 MOS晶体管T5的漏极与MOS晶体管T2的栅极和漏极连接，并且MOS晶体管T5的源极配置为施加直流电压VRS。 这里，给出信号ΦV，MOS晶体管T4导通，并输出图像数据。 给出信号ΦRS并且MOS晶体管T5导通。 结果，MOS晶体管T2的栅极电压Vg被保持为恒定电压值。 然后，对像素进行复位操作。

公开(公告)号：US20060072025A1

公开(公告)日：2006-04-06

申请号：US11236388

申请日：2005-09-27

申请人： Tomokazu Kakumoto ,  So Yano ,  Masayuki Kusuda ,  Kazuchika Sato ,  Yoshihiro Tanaka

发明人： Tomokazu Kakumoto ,  So Yano ,  Masayuki Kusuda ,  Kazuchika Sato ,  Yoshihiro Tanaka

IPC分类号： H04N5/335

CPC分类号： H04N5/3653

摘要： An object of the present invention is to provide a solid-state image sensing device configured to change a bias voltage given to the photoelectric converting section at the time of resetting so that an operative condition of the photoelectric converting section after the resetting can be maintained a constant condition regardless of an amount of the incident light. To achieve the object, an MOS transistor T5 is provided. The drain of the MOS transistor T5 is connected with a gate and a drain of an MOS transistor T2 and the source of the MOS transistor T5 configured to be applied a DC voltage VRS. Here, a signal φ V is given, an MOS transistor T4 is turned on, and image data is output. A signal φ RS is given and the MOS transistor T5 is turned on. As a result, a gate voltage Vg of the MOS transistor T2 is maintained as a constant voltage value. Then, a reset operation for pixels is stared.

摘要翻译： 本发明的目的是提供一种固态图像感测装置，其被配置为在复位时改变给予光电转换部的偏置电压，从而能够维持复位后的光电转换部的工作状态 恒定条件，而不管入射光的量如何。 为了实现该目的，提供了MOS晶体管T 5。 MOS晶体管T 5的漏极与MOS晶体管T 2的栅极和漏极连接，MOS晶体管T5的源极被配置为施加直流电压VRS。 这里，给出信号phi V，MOS晶体管T 4导通，并且输出图像数据。 给出信号phi RS并且MOS晶体管T 5导通。 结果，将MOS晶体管T 2的栅极电压Vg保持为恒定电压值。 然后，对像素进行复位操作。

公开(公告)号：US08086032B2

公开(公告)日：2011-12-27

申请号：US12211308

申请日：2008-09-16

申请人： Koichi Kamon ,  Tetsuya Katagiri ,  Kazuchika Sato

发明人： Koichi Kamon ,  Tetsuya Katagiri ,  Kazuchika Sato

IPC分类号： G06K9/36

CPC分类号： H04N5/243 ,  H04N9/045

摘要： An illumination component extractor is operable to extract an illumination component from input image data by: performing a smoothing process a certain number of times to generate a plurality of smooth image data having resolutions different from one another from the input image data, the smoothing process including an operation of filtering the input image data with use of a low-pass filter having a predetermined size and an operation of downsampling the filtered input image data; and performing an inverse-smoothing process a certain number of times, the inverse-smoothing process including an operation of replacing an edge portion of a smooth image data having a lower resolution with a smooth image data having a higher resolution, and an operation of upsampling the replaced smooth image data. The input image data is color image data which has been obtained by an image sensor including a number of pixels having different spectral sensitivities.

摘要翻译： 照明分量提取器可操作以通过以下步骤从输入图像数据中提取照明分量：执行平滑处理一定次数以生成具有与输入图像数据彼此不同的分辨率的多个平滑图像数据，平滑处理包括 使用具有预定大小的低通滤波器对输入图像数据进行滤波的操作和对滤波的输入图像数据进行下采样的操作; 并且进行一定次数的逆平滑处理，所述逆平滑处理包括用具有较高分辨率的平滑图像数据替换具有较低分辨率的平滑图像数据的边缘部分的操作，以及上采样操作 更换平滑的图像数据。 输入图像数据是由包括具有不同光谱灵敏度的像素数的图像传感器获得的彩色图像数据。

公开(公告)号：US07667764B2

公开(公告)日：2010-02-23

申请号：US11143988

申请日：2005-06-02

申请人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti

发明人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti

IPC分类号： H04N5/238

CPC分类号： H04N5/2355 ,  H04N5/235 ,  H04N5/2351 ,  H04N5/243

摘要： An image sensing apparatus is constructed in such a manner that a calculation priority setter 5111 (5111a) sets a priority between exposure amount control by an exposure amount control parameter calculator 511 (511a) serving as exposure amount controller, and dynamic range control by a dynamic range control parameter calculator 512 (512a) serving as dynamic range controller. Exposure control is executed by performing the exposure amount control and the dynamic range control based on a photoelectric conversion characteristic, by using exposure evaluation values detected by an evaluation value detector 405, based on the priority set by the calculation priority setter 5111 (5111a). This arrangement provides an image sensing apparatus capable of performing exposure control with high latitude, wherein a user is allowed to capture a subject in an optimal exposure state, with an appropriate dynamic range being secured, and control primarily based on the exposure amount control or control primarily based on the dynamic range control is performed on the priority basis.

摘要翻译： 图像感测装置被构造成使得计算优先级设定器5111（5111a）设置由用作曝光量控制器的曝光量控制参数计算器511（511a）的曝光量控制与动态范围控制之间的优先级 作为动态范围控制器的范围控制参数计算器512（512a）。 基于由计算优先级设定器5111（5111a）设定的优先级，通过使用由评价值检测器405检测出的曝光评价值，通过进行基于光电转换特性的曝光量控制和动态范围控制来执行曝光控制。 这种布置提供了能够执行高纬度的曝光控制的图像感测装置，其中允许用户在适当的动态范围得到保证的情况下以最佳曝光状态拍摄被摄体，并且主要基于曝光量控制或控制 主要基于动态范围控制优先执行。

公开(公告)号：US20060001748A1

公开(公告)日：2006-01-05

申请号：US11052327

申请日：2005-02-07

申请人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti

发明人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti

IPC分类号： H04N9/68

CPC分类号： H04N5/35509

摘要： An image sensing apparatus is provided with an image sensor having a photoelectric conversion characteristic comprised of a linear characteristic area where an electrical signal is outputted after being linearly converted in relation to an amount of an incident light and a logarithmic characteristic area where the electrical signal is outputted after being logarithmically converted in relation to the amount of the incident light. An evaluation value detector of a signal processing unit detects evaluation values concerning an image sensing control from each of the linear characteristic area and the logarithmic characteristic area upon picking up an image of a subject based on pieces of subject luminance information in the respective areas. A central control unit (image sensing controller) carries out the image sensing control based on the evaluation values corresponding to the respective areas detected by the evaluation value detector.

摘要翻译： 一种图像传感装置具备：具有光电转换特性的图像传感器，该光电转换特性包括线性特征区域，其中电信号相对于入射光量的线性变换和电信号为 在相对于入射光的量进行对数转换之后输出。 信号处理单元的评估值检测器基于各个区域中的被摄体亮度信息来检测对象的图像，从线性特征区域和对数特征区域中的每一个检测关于图像感测控制的评价值。 中央控制单元（图像感测控制器）基于与由评估值检测器检测到的各个区域对应的评估值来执行图像感测控制。

公开(公告)号：US08213063B2

公开(公告)日：2012-07-03

申请号：US11142037

申请日：2005-06-01

申请人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti ,  Tetuya Katagiri

发明人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti ,  Tetuya Katagiri

IPC分类号： H04N1/46 ,  H04N1/54 ,  H04N1/56 ,  H04N1/58 ,  H04N1/60 ,  H04N9/04 ,  H04N5/235 ,  H04N5/202 ,  G03F3/10 ,  G03B7/00 ,  G03B7/08

CPC分类号： H04N1/4074

摘要： An image sensing apparatus including an image sensor having a first area and a second area and a gradation converter for applying a gradation conversion to an image signal is provided with a gradation conversion LUT storage storing at least two kinds of gradation conversion information. The image sensing apparatus is also provided with a gradation conversion information rewriting section for rewriting the gradation conversion information into new gradation conversion information. There can be provided an image sensing apparatus capable of carrying out a precise gradation conversion even in the case that the inflection point between the first area and the second area of the image sensor constantly changes.

摘要翻译： 包括具有第一区域和第二区域的图像传感器和用于向图像信号应用灰度转换的灰度转换器的图像感测设备设置有存储至少两种灰度转换信息的灰度转换LUT存储器。 图像感测装置还设置有用于将灰度转换信息重写为新的灰度转换信息的灰度转换信息重写部分。 可以提供即使在图像传感器的第一区域和第二区域之间的拐点不断变化的情况下也能够执行精确的灰度转换的图像感测装置。

公开(公告)号：US20090080771A1

公开(公告)日：2009-03-26

申请号：US12211308

申请日：2008-09-16

申请人： Koichi KAMON ,  Tetsuya Katagiri ,  Kazuchika Sato

发明人： Koichi KAMON ,  Tetsuya Katagiri ,  Kazuchika Sato

IPC分类号： G06K9/36

CPC分类号： H04N5/243 ,  H04N9/045

摘要： An illumination component extractor is operable to extract an illumination component from input image data by: performing a smoothing process a certain number of times to generate a plurality of smooth image data having resolutions different from one another from the input image data, the smoothing process including an operation of filtering the input image data with use of a low-pass filter having a predetermined size and an operation of downsampling the filtered input image data; and performing an inverse-smoothing process a certain number of times, the inverse-smoothing process including an operation of replacing an edge portion of a smooth image data having a lower resolution with a smooth image data having a higher resolution, and an operation of upsampling the replaced smooth image data. The input image data is color image data which has been obtained by an image sensor including a number of pixels having different spectral sensitivities.

摘要翻译： 照明分量提取器可操作以通过以下步骤从输入图像数据中提取照明分量：执行平滑处理一定次数以生成具有与输入图像数据彼此不同的分辨率的多个平滑图像数据，平滑处理包括 使用具有预定大小的低通滤波器对输入图像数据进行滤波的操作和对滤波的输入图像数据进行下采样的操作; 并且进行一定次数的逆平滑处理，所述逆平滑处理包括用具有较高分辨率的平滑图像数据替换具有较低分辨率的平滑图像数据的边缘部分的操作，以及上采样操作 更换平滑的图像数据。 输入图像数据是由包括具有不同光谱灵敏度的像素数的图像传感器获得的彩色图像数据。

公开(公告)号：US20050264683A1

公开(公告)日：2005-12-01

申请号：US11033763

申请日：2005-01-12

申请人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti

发明人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti

IPC分类号： G03B7/093 ,  H01L27/146 ,  H04N5/225 ,  H04N5/235 ,  H04N5/243 ,  H04N5/355 ,  H04N5/369 ,  H04N5/374 ,  H04N5/376 ,  H04N5/378 ,  H04N101/00

CPC分类号： H04N5/243 ,  H04N5/2351 ,  H04N5/2355

摘要： An image sensing apparatus is provided with an image sensor having a photoelectric conversion characteristic having a linear characteristic area where an electrical signal is outputted after being linearly converted in relation to an amount of an incident light and a logarithmic characteristic area where the electrical signal is outputted after being logarithmically converted in relation to the amount of the incident light; an evaluation value detector for detecting exposure evaluation values concerning an exposure control based on a luminance information of a subject; and a central control unit for controlling the exposure based on the exposure evaluation values detected by the evaluation value detector. The central control unit includes an exposure amount control parameter calculating section for controlling an exposure amount in accordance with the photoelectric conversion characteristic using the exposure evaluation values and a dynamic range control parameter calculating section for controlling a dynamic range in accordance with the photoelectric conversion characteristic using the exposure evaluation values. Accordingly, a subject image can be picked up while an optimal exposure is made for the subject and a specified dynamic range is attained.

摘要翻译： 图像传感装置具备：具有光电转换特性的图像传感器，该光电转换特性具有相对于入射光量的线性变换而输出电信号的线性特征区域和输出电信号的对数特征区域的光电转换特性 相对于入射光量进行对数转换; 评估值检测器，用于基于对象的亮度信息来检测关于曝光控制的曝光评估值; 以及中央控制单元，用于基于由评估值检测器检测到的曝光评估值来控制曝光。 中央控制单元包括曝光量控制参数计算部分，用于使用曝光评估值根据光电转换特性控制曝光量;以及动态范围控制参数计算部分，用于根据光电转换特性控制动态范围，使用 曝光评估值。 因此，可以在对被摄体进行最佳曝光并且获得指定的动态范围的同时拾取被摄体图像。

公开(公告)号：US07714928B2

公开(公告)日：2010-05-11

申请号：US11033763

申请日：2005-01-12

申请人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti

发明人： Koichi Kamon ,  Kazuchika Sato ,  Jun Minakuti

IPC分类号： H04N5/235

CPC分类号： H04N5/243 ,  H04N5/2351 ,  H04N5/2355

摘要： An image sensing apparatus is provided with an image sensor having a photoelectric conversion characteristic having a linear characteristic area where an electrical signal is outputted after being linearly converted in relation to an amount of an incident light and a logarithmic characteristic area where the electrical signal is outputted after being logarithmically converted in relation to the amount of the incident light; an evaluation value detector for detecting exposure evaluation values concerning an exposure control based on a luminance information of a subject; and a central control unit for controlling the exposure based on the exposure evaluation values detected by the evaluation value detector. The central control unit includes an exposure amount control parameter calculating section for controlling an exposure amount in accordance with the photoelectric conversion characteristic using the exposure evaluation values and a dynamic range control parameter calculating section for controlling a dynamic range in accordance with the photoelectric conversion characteristic using the exposure evaluation values. Accordingly, a subject image can be picked up while an optimal exposure is made for the subject and a specified dynamic range is attained.

摘要翻译： 图像传感装置具备：具有光电转换特性的图像传感器，该光电转换特性具有相对于入射光量的线性变换而输出电信号的线性特征区域和输出电信号的对数特征区域的光电转换特性 相对于入射光量进行对数转换; 评估值检测器，用于基于对象的亮度信息来检测关于曝光控制的曝光评估值; 以及中央控制单元，用于基于由评估值检测器检测到的曝光评估值来控制曝光。 中央控制单元包括曝光量控制参数计算部分，用于使用曝光评估值根据光电转换特性控制曝光量;以及动态范围控制参数计算部分，用于根据光电转换特性控制动态范围，使用 曝光评估值。 因此，可以在对被摄体进行最佳曝光并且获得指定的动态范围的同时拾取被摄体图像。