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    • 53. 发明授权
    • Memory device, motion vector detection device, and detection method
    • 存储装置,运动矢量检测装置和检测方法
    • US07626847B2
    • 2009-12-01
    • US10531005
    • 2003-10-15
    • Tetsujiro KondoWataru NiitsumaNaoki Kobayashi
    • Tetsujiro KondoWataru NiitsumaNaoki Kobayashi
    • G11C11/24
    • H04N5/145G06T7/231G06T2200/28G06T2207/10016G11C7/1006G11C11/565H04N19/43H04N19/436H04N19/51H04N19/61
    • This invention relates to a memory device and the like that are preferably applied to a case where motion vector is detected using a block matching. Pixel data of a first frame (a reference frame) is stored in a unit A of memory cell array portion 20a in straight binary format. Pixel data of a second frame (a search frame) is stored in a unit B of memory cell array portion 20b in two's complement format. The units A and B have a plurality of memory cells, respectively. Word lines WL related to the pixel data of the first and second frames are simultaneously activated so that charges accumulated in capacitors of each of the memory cells can be combined along one bit line BL. A/D converter 53 outputs a digital signal (absolute difference value) having a value that corresponds to a total amount of charges. When reading the pixel data, a subtraction and a conversion into the absolute difference value are simultaneously performed.
    • 本发明涉及优选地应用于使用块匹配检测运动矢量的情况的存储器件等。 第一帧(参考帧)的像素数据以直二进制格式存储在存储单元阵列部分20a的单元A中。 第二帧(搜索帧)的像素数据以二进制格式存储在存储单元阵列部分20b的单元B中。 单元A和B分别具有多个存储单元。 与第一和第二帧的像素数据相关的字线WL被同时激活,使得可以沿着一个位线BL组合每个存储单元的电容器中积累的电荷。 A / D转换器53输出具有与总电荷量对应的值的数字信号(绝对差值)。 当读取像素数据时,同时执行减法和转换成绝对差值。
    • 57. 发明申请
    • Memory device, motion vector detection device, and detection method
    • 存储装置,运动矢量检测装置和检测方法
    • US20060062483A1
    • 2006-03-23
    • US10531005
    • 2003-10-15
    • Tetsujiro KondoWataru NiitsumaNaoki Kobayashi
    • Tetsujiro KondoWataru NiitsumaNaoki Kobayashi
    • G11B20/10G06K7/00
    • H04N5/145G06T7/231G06T2200/28G06T2207/10016G11C7/1006G11C11/565H04N19/43H04N19/436H04N19/51H04N19/61
    • This invention relates to a memory device and the like that are preferably applied to a case where motion vector is detected using a block matching. Pixel data of a first frame (a reference frame) is stored in a unit A of memory cell array portion 20a in straight binary format. Pixel data of a second frame (a search frame) is stored in a unit B of memory cell array portion 20b in two's complement format. The units A and B have a plurality of memory cells, respectively. Word lines WL related to the pixel data of the first and second frames are simultaneously activated so that charges accumulated in capacitors of each of the memory cells can be combined along one bit line BL. A/D converter 53 outputs a digital signal (absolute difference value) having a value that corresponds to a total amount of charges. When reading the pixel data, a subtraction and a conversion into the absolute difference value are simultaneously performed.
    • 本发明涉及优选地应用于使用块匹配检测运动矢量的情况的存储器件等。 第一帧(参考帧)的像素数据以直的二进制格式存储在存储单元阵列部分20A的单元A中。 第二帧(搜索帧)的像素数据以二进制格式存储在存储单元阵列部分20b的单元B中。 单元A和B分别具有多个存储单元。 与第一和第二帧的像素数据相关的字线WL被同时激活,使得可以沿着一个位线BL组合每个存储器单元的电容器中积累的电荷。 A / D转换器53输出具有与总电荷量对应的值的数字信号(绝对差值)。 当读取像素数据时,同时执行减法和转换成绝对差值。
    • 60. 发明授权
    • Image encoding/decoding by eliminating color components in pixels
    • 通过消除以像素为单位的颜色分量的图像编码/解码
    • US06501851B1
    • 2002-12-31
    • US09206415
    • 1998-12-07
    • Tetsujiro KondoNaoki Kobayashi
    • Tetsujiro KondoNaoki Kobayashi
    • H04N146
    • G06T9/005G06T9/004
    • During an encoding operation, one of the R, G, B components of a pixel in the image are eliminated. In a first pixel, the B component is eliminated, and then in a second pixel which is to the right of the first pixel, the R component is eliminated. Further, in a third pixel to the right of the second pixel, the G component is eliminated. In the same manner, R, G, B components are thereafter eliminated in a three-pixel cycle. During a decoding operation, an estimated value of a color component that was eliminated in the pixel is determined on the basis of the color components of adjacent pixels. A correction value is then computed based on the color components of the adjacent pixels. As a result, the estimated value of the eliminated color component is adjusted using the computed correction value to produce a good quality image.
    • 在编码操作期间,消除了图像中的像素的R,G,B分量之一。 在第一像素中,消除B分量,然后在第一像素右侧的第二像素中,消除R分量。 此外,在第二像素右侧的第三像素中,G分量被消除。 以相同的方式,在三像素周期内消除R,G,B分量。 在解码操作期间,基于相邻像素的颜色分量来确定在像素中消除的颜色分量的估计值。 然后基于相邻像素的颜色分量来计算校正值。 结果,使用所计算的校正值来调整所消除的颜色分量的估计值,以产生良好的质量图像。