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    • 3. 发明授权
    • Image capturing apparatus and control method thereof
    • 图像捕获装置及其控制方法
    • US08913161B2
    • 2014-12-16
    • US13368832
    • 2012-02-08
    • Taro Takita
    • Taro Takita
    • H04N5/217H04N9/64H04N5/365H04N5/345H04N5/361
    • H04N5/361H04N5/3454H04N5/3658
    • An image capturing apparatus comprises an image sensing element including an effective pixel portion, and a shading pixel portion; a setting unit which variably sets, in at least one of row and column directions, an effective pixel signal readout region and shading pixel signal readout region; a readout unit which reads out the effective pixel signals and reads out the shading pixel signals; a correction data generation unit which generates correction data for each column or each row; a correction unit which corrects luminance levels of the effective pixel signals, for each column or each row; and a control unit which controls the setting unit so that the shading pixel signal readout region becomes wider than the effective pixel signal readout region.
    • 一种摄像装置,包括:图像感测元件,包括有效像素部分和阴影像素部分; 在行和列方向中的至少一个方向上可变地设置有效像素信号读出区域和阴影像素信号读出区域的设置单元; 读出单元,读出有效像素信号并读出阴影像素信号; 校正数据生成单元,其生成每列或每行的校正数据; 校正单元,其针对每列或每行校正有效像素信号的亮度级; 以及控制单元,其控制设置单元,使得阴影像素信号读出区域变得比有效像素信号读出区域宽。
    • 4. 发明申请
    • IMAGE CAPTURING APPARATUS AND CONTROL METHOD THEREFOR
    • 图像捕获装置及其控制方法
    • US20120212663A1
    • 2012-08-23
    • US13366504
    • 2012-02-06
    • Taro Takita
    • Taro Takita
    • H04N5/238
    • H04N5/2353H04N5/238
    • There is provided an image capturing apparatus, comprising an image capturing unit configured to acquire video data at a first frame rate or a second frame rate higher than the first frame rate; and a control unit configured to perform control of an aperture and an exposure time within a range in which the exposure time is shorter than or equal to a maximum exposure time that is a reciprocal of a frame rate of the image capturing unit, so that luminance of the image signal acquired by the image capturing unit is at a predetermined level, wherein when the image capturing unit is operating at the first frame rate, the control unit performs the control within a range in which the exposure time is shorter than a first time that is a reciprocal of the first frame rate.
    • 提供了一种图像捕获装置,包括:图像捕获单元,被配置为以比第一帧率高的第一帧速率或第二帧率获取视频数据; 以及控制单元,被配置为在所述曝光时间小于或等于所述图像拍摄单元的帧速率的倒数的最大曝光时间的范围内执行光圈和曝光时间的控制,使得亮度 由图像拍摄单元获取的图像信号处于预定水平,其中当图像拍摄单元以第一帧速率操作时,控制单元在曝光时间比第一时间短的范围内执行控制 这是第一帧率的倒数。
    • 6. 发明授权
    • Image processing apparatus and method, and image processing program
    • 图像处理装置和方法以及图像处理程序
    • US07397852B2
    • 2008-07-08
    • US10381990
    • 2002-08-02
    • Akira SugiyamaTaro Takita
    • Akira SugiyamaTaro Takita
    • H04N7/18
    • H04N9/8042H04N9/7921H04N19/112H04N19/122H04N19/124H04N19/137H04N19/14H04N19/149H04N19/15H04N19/152H04N19/154H04N19/157H04N19/172H04N19/176H04N19/186H04N19/196H04N19/198H04N19/46H04N19/60H04N19/61H04N19/70
    • Picture data is compressed and encoded in consideration of visual characteristics of human beings against colors. A color of pixels is detected corresponding to color difference components Cb and Cr for each sub block into which a macro block is divided. Each sub block is composed of four pixels×four lines. The number of pixels from which a predetermined color is detected is counted for each sub block. When the count value is ⅔ or greater of the total number of pixels of each sub block, it is determined that the macro block which contains the sub block contains the predetermined color. An activity is obtained using a luminance component Y for the macro block. The activity is multiplied by a quantizer priority value corresponding to the predetermined color. As a result, the activity is corrected. Corresponding to the corrected activity, the quantizer scale value is changed to a smaller value. With the changed quantizer scale value, the macro block is quantized with a smaller quantizer step value. As a result, the picture quality of a macro block from which a predetermined color has been detected is suppressed from being deteriorated.
    • 考虑到人类对颜色的视觉特性,图像数据被压缩和编码。 对应于分割有宏块的每个子块的色差分量Cb和Cr,检测像素的颜色。 每个子块由四个像素的线组成。 对于每个子块计数检测到预定颜色的像素的数量。 当计数值是每个子块的总像素数的2/3以上时,判定含有子块的宏块包含预定的颜色。 使用用于宏块的亮度分量Y获得活动。 该活动乘以与预定颜色对应的量化器优先级值。 结果,修正了活动。 对应于校正的活动,量化器比例值被改变为较小的值。 利用改变的量化器标度值,用较小的量化器步长量化宏块。 结果,抑制了从其检测到预定颜色的宏块的图像质量劣化。
    • 8. 发明授权
    • Image capturing apparatus and control method controlling exposure time of image sensor
    • 控制图像传感器曝光时间的摄像装置及控制方法
    • US08736748B2
    • 2014-05-27
    • US13366504
    • 2012-02-06
    • Taro Takita
    • Taro Takita
    • H04N5/235G03B7/00H04N5/238H04N5/228
    • H04N5/2353H04N5/238
    • There is provided an image capturing apparatus, comprising an image capturing unit configured to acquire video data at a first frame rate or a second frame rate higher than the first frame rate; and a control unit configured to perform control of an aperture and an exposure time within a range in which the exposure time is shorter than or equal to a maximum exposure time that is a reciprocal of a frame rate of the image capturing unit, so that luminance of the image signal acquired by the image capturing unit is at a predetermined level, wherein when the image capturing unit is operating at the first frame rate, the control unit performs the control within a range in which the exposure time is shorter than a first time that is a reciprocal of the first frame rate.
    • 提供了一种图像捕获装置,包括:图像捕获单元,被配置为以比第一帧率高的第一帧速率或第二帧率获取视频数据; 以及控制单元,被配置为在所述曝光时间小于或等于所述图像拍摄单元的帧速率的倒数的最大曝光时间的范围内执行光圈和曝光时间的控制,使得亮度 由图像拍摄单元获取的图像信号处于预定水平,其中当图像拍摄单元以第一帧速率操作时,控制单元在曝光时间比第一时间短的范围内执行控制 这是第一帧率的倒数。
    • 10. 发明申请
    • IMAGE CAPTURING APPARATUS AND CONTROL METHOD THEREOF
    • 图像捕获装置及其控制方法
    • US20120224086A1
    • 2012-09-06
    • US13368832
    • 2012-02-08
    • Taro Takita
    • Taro Takita
    • H04N9/64
    • H04N5/361H04N5/3454H04N5/3658
    • An image capturing apparatus comprises an image sensing element including an effective pixel portion, and a shading pixel portion; a setting unit which variably sets, in at least one of row and column directions, an effective pixel signal readout region and shading pixel signal readout region; a readout unit which reads out the effective pixel signals and reads out the shading pixel signals; a correction data generation unit which generates correction data for each column or each row; a correction unit which corrects luminance levels of the effective pixel signals, for each column or each row; and a control unit which controls the setting unit so that the shading pixel signal readout region becomes wider than the effective pixel signal readout region.
    • 一种摄像装置,包括:图像感测元件,包括有效像素部分和阴影像素部分; 在行和列方向中的至少一个方向上可变地设置有效像素信号读出区域和阴影像素信号读出区域的设置单元; 读出单元,读出有效像素信号并读出阴影像素信号; 校正数据生成单元,其生成每列或每行的校正数据; 校正单元,其针对每列或每行校正有效像素信号的亮度级; 以及控制单元,其控制设置单元,使得阴影像素信号读出区域变得比有效像素信号读出区域宽。