公开(公告)号：US5859646A

公开(公告)日：1999-01-12

申请号：US892158

申请日：1997-07-14

申请人： Yasuharu Takenaka

发明人： Yasuharu Takenaka

IPC分类号： G06F12/08 ,  G06T1/20 ,  G06T7/00 ,  G06T15/00 ,  G06F15/00

CPC分类号： G06T1/20

摘要： A graphic drawing processing system has a frame memory including a drawing data area for holding data for drawing on a display, and an offscreen area for holding source data for a specified pattern which is not displayed on the display. The system further includes a coordinate convertor for obtaining pattern data corresponding to picture elements to be drawn, based on pattern source data in the offscreen area, and a memory for storing one portion of the pattern source data in the offscreen area.

摘要翻译： 图形绘制处理系统具有帧存储器，该帧存储器包括用于保存用于在显示器上绘制的数据的绘图数据区域和用于保持未显示在显示器上的指定图案的源数据的屏幕外区域。 该系统还包括一个坐标转换器，用于根据屏幕外区域中的图案源数据获得对应于要绘制的图像元素的图形数据，以及一个存储器，用于将该图案源数据的一部分存储在屏幕外区域中。

公开(公告)号：US06567096B1

公开(公告)日：2003-05-20

申请号：US09131607

申请日：1998-08-10

申请人： Masaaki Oka ,  Yasuharu Takenaka ,  Takasi Takemoto ,  Junichi Fujita ,  Masaharu Yoshimori

发明人： Masaaki Oka ,  Yasuharu Takenaka ,  Takasi Takemoto ,  Junichi Fujita ,  Masaharu Yoshimori

IPC分类号： G09G502

CPC分类号： G06T15/503 ,  G06T2200/28

摘要： An image composing method and apparatus is provided which can compose a mixed image with no increased hardware scale and no reduced processing speed. A subtracting means (13) is used to calculate a difference in pixel value between a first image and a second image, each having three color information components and one additional information component. Each of the first and second image pixel values may have all the pixel values of zero. The result of subtraction is multiplied by a mixing factor in a multiplying means (15). For the mixing factor, any one of the additional information components or fixed values of the first and second image pixel values are selected. The components are of a same value. In a adding means 17, any of two image pixel values is added to the result of multiplication to produce a mixed image.

摘要翻译： 提供了一种图像组合方法和装置，其可以组合没有增加的硬件规模的混合图像，并且没有降低的处理速度。减法装置（13）用于计算第一图像和第二图像之间的像素值的差异 具有三个颜色信息组件和一个附加信息组件。 第一和第二图像像素值中的每一个可以具有零的所有像素值。 减法的结果乘以乘法装置（15）中的混合因子。 对于混合因子，选择附加信息分量中的任何一个或第一和第二图像像素值的固定值。 组件具有相同的值。 在加法装置17中，将两个图像像素值中的任一个相加到乘法运算结果以产生混合图像。

公开(公告)号：US6005592A

公开(公告)日：1999-12-21

申请号：US943102

申请日：1997-09-30

申请人： Tomohiro Koizumi ,  Yasuharu Takenaka

发明人： Tomohiro Koizumi ,  Yasuharu Takenaka

IPC分类号： G06F3/153 ,  G06F12/06 ,  G06T15/00 ,  G09G5/36 ,  G09G5/39 ,  G09G5/399 ,  G11C11/401 ,  G11C11/407 ,  G06F13/16

CPC分类号： G09G5/399 ,  G09G2340/10 ,  G09G2360/122 ,  G09G5/363

摘要： An image processing apparatus suitable for three-dimensional high speed image processing can be realized by improving the memory address control and the access method, that is, by improving the data transfer speed between the image memory and the other unit. The image processing apparatus comprises the pixel forming unit (1) for forming frame data for each pixel; an image memory (2) constructed by a plurality of banks (3, 4) to which row addresses are inputted through a row address input system (6) and column addresses are inputted through a column address input system (7); and the DRAM controller (5) for controlling the image memory (2). The DRAM controller (5) controls the image memory (2) in such a way that the screen is divided into a plurality of rectangular regions so that the frame data of one rectangular region can be stored in one page of the image memory (2); the frame data in the adjoining rectangular regions are allowed to correspond to the two different banks (3, 4) of the macro cell; and the column addresses can be generated continuously when any of the banks is being accessed, so that any addresses can be accessed continuously in the same page. Further, the DRAM controller (5) controls the address sequence predicting circuit (8) in such a way that the banks to be accessed in the future can be accessed immediately after the bank to be accessed is switched.

摘要翻译： 通过改善存储器地址控制和存取方法，即通过提高图像存储器和另一单元之间的数据传送速度，可以实现适用于三维高速图像处理的图像处理装置。 图像处理装置包括用于形成每个像素的帧数据的像素形成单元（1） 由列地址输入系统（7）输入通过行地址输入系统（6）输入行地址的多个存储体（3,4）和列地址构成的图像存储器（2）。 和用于控制图像存储器（2）的DRAM控制器（5）。 DRAM控制器（5）以这样的方式控制图像存储器（2），使得屏幕被划分成多个矩形区域，使得一个矩形区域的帧数据可以存储在图像存储器（2）的一页中， ; 相邻矩形区域中的帧数据被允许对应于宏小区的两个不同的组（3,4）; 并且可以在访问任何存储体时连续地生成列地址，使得可以在同一页面中连续访问任何地址。 此外，DRAM控制器（5）以这样一种方式控制地址序列预测电路（8），以便在切换要访问的存储体之后立即访问要访问的存储体。

公开(公告)号：US07561162B2

公开(公告)日：2009-07-14

申请号：US11971499

申请日：2008-01-09

申请人： Isao Mihara ,  Yasuharu Takenaka ,  Takashi Takemoto

发明人： Isao Mihara ,  Yasuharu Takenaka ,  Takashi Takemoto

IPC分类号： G06T15/00

CPC分类号： H04N19/85 ,  H04N19/46 ,  H04N19/91

摘要： Computer graphics data coding apparatus includes unit configured to acquire computer graphics data items, unit configured to pre-process acquired computer graphics data items, controlling/coding unit configured to subject pre-processed computer graphics data items to process for controlling number of codes to be finally output, to generate codes, accumulation unit configured to accumulate parts to be subjected to entropy coding, which are contained in generated codes, calculation unit configured to calculate entropy information based on accumulated parts, and generate code words based on entropy information, entropy information indicating amount of entropy, entropy coding unit configured to subject generated codes to entropy coding based on generated code words, to generate entropy codes, extraction unit configured to extract, from entropy information, minimum information for decoding, extracted-information coding unit configured to code minimum information in order to reduce amount of minimum information, and output unit configured to output entropy codes and coded minimum information.

摘要翻译： 计算机图形数据编码装置包括被配置为获取计算机图形数据项的单元，被配置为预处理获取的计算机图形数据项的单元，被配置为对预处理的计算机图形数据项进行管理的控制/编码单元，以处理用于控制代码数 最后输出，生成代码，累积单元，被配置为累积包含在生成代码中的要进行熵编码的部分，计算单元，被配置为基于累积部分计算熵信息，并且基于熵信息生成代码字，熵信息 熵编码单元，被配置为基于生成的代码字对生成的代码进行熵编码，以生成熵代码;提取单元，被配置为从熵信息提取用于解码的最小信息，提取信息编码单元，被配置为编码 最小化信息以减少数量 最小信息和输出单元，被配置为输出熵代码和编码的最小信息。

公开(公告)号：US20080118166A1

公开(公告)日：2008-05-22

申请号：US11971499

申请日：2008-01-09

申请人： Isao MIHARA ,  Yasuharu Takenaka ,  Takashi Takemoto

发明人： Isao MIHARA ,  Yasuharu Takenaka ,  Takashi Takemoto

IPC分类号： G06K9/36

CPC分类号： H04N19/85 ,  H04N19/46 ,  H04N19/91

摘要： Computer graphics data coding apparatus includes unit configured to acquire computer graphics data items, unit configured to pre-process acquired computer graphics data items, controlling/coding unit configured to subject pre-processed computer graphics data items to process for controlling number of codes to be finally output, to generate codes, accumulation unit configured to accumulate parts to be subjected to entropy coding, which are contained in generated codes, calculation unit configured to calculate entropy information based on accumulated parts, and generate code words based on entropy information, entropy information indicating amount of entropy, entropy coding unit configured to subject generated codes to entropy coding based on generated code words, to generate entropy codes, extraction unit configured to extract, from entropy information, minimum information for decoding, extracted-information coding unit configured to code minimum information in order to reduce amount of minimum information, and output unit configured to output entropy codes and coded minimum information.

摘要翻译： 计算机图形数据编码装置包括被配置为获取计算机图形数据项的单元，被配置为预处理获取的计算机图形数据项的单元，被配置为对预处理的计算机图形数据项进行管理的控制/编码单元，以处理用于控制代码数 最后输出，生成代码，累积单元，被配置为累积包含在生成代码中的要进行熵编码的部分，计算单元，被配置为基于累积部分计算熵信息，并且基于熵信息生成代码字，熵信息 熵编码单元，被配置为基于生成的代码字对生成的代码进行熵编码，以生成熵代码;提取单元，被配置为从熵信息提取用于解码的最小信息，提取信息编码单元，被配置为编码 最小化信息以减少数量 最小信息和输出单元，被配置为输出熵代码和编码的最小信息。

公开(公告)号：US20060188166A1

公开(公告)日：2006-08-24

申请号：US11234289

申请日：2005-09-26

申请人： Isao Mihara ,  Yasuharu Takenaka ,  Takashi Takemoto

发明人： Isao Mihara ,  Yasuharu Takenaka ,  Takashi Takemoto

IPC分类号： G06K9/36

CPC分类号： H04N19/85 ,  H04N19/46 ,  H04N19/91

摘要： Computer graphics data coding apparatus includes unit configured to acquire computer graphics data items, unit configured to pre-process acquired computer graphics data items, controlling/coding unit configured to subject pre-processed computer graphics data items to process for controlling number of codes to be finally output, to generate codes, accumulation unit configured to accumulate parts to be subjected to entropy coding, which are contained in generated codes, calculation unit configured to calculate entropy information based on accumulated parts, and generate code words based on entropy information, entropy information indicating amount of entropy, entropy coding unit configured to subject generated codes to entropy coding based on generated code words, to generate entropy codes, extraction unit configured to extract, from entropy information, minimum information for decoding, extracted-information coding unit configured to code minimum information in order to reduce amount of minimum information, and output unit configured to output entropy codes and coded minimum information.

公开(公告)号：US07948486B2

公开(公告)日：2011-05-24

申请号：US11225051

申请日：2005-09-14

申请人： Sumihiko Yamamoto ,  Takashi Takemoto ,  Yasuharu Takenaka

发明人： Sumihiko Yamamoto ,  Takashi Takemoto ,  Yasuharu Takenaka

IPC分类号： G06T15/40

CPC分类号： G06T15/405

摘要： An image processing apparatus includes a first and second Z value calculators that calculate a polygon Z value and a block Z value, respectively. The polygon Z value is a coordinate value of a pixel located at a closest point to a viewpoint. The block Z value is a coordinate value of a pixel located at a closest point to the viewpoint in a block. The apparatus also includes a Z value selector that selects a Z value of a pixel closer to the viewpoint from the polygon Z value and the block Z value as an estimate Z value; and a hidden-surface removal unit that eliminates drawing of the polygon in the block when a pixel corresponding to the estimate Z value is located at a farther point from the viewpoint than a pixel located at a farthest point from the viewpoint.

摘要翻译： 图像处理装置包括分别计算多边形Z值和块Z值的第一和第二Z值计算器。 多边形Z值是位于最接近视点的点的像素的坐标值。 块Z值是位于与块中的视点最近点的像素的坐标值。 该装置还包括：Z值选择器，从多边形Z值和块Z值中选择更靠近视点的像素的Z值作为估计Z值; 以及隐藏表面去除单元，当与估计Z值相对应的像素位于比视点最远点处的像素位于离视点更远的点处时，消除块中的多边形的绘制。

公开(公告)号：US07339583B2

公开(公告)日：2008-03-04

申请号：US11234289

申请日：2005-09-26

申请人： Isao Mihara ,  Yasuharu Takenaka ,  Takashi Takemoto

发明人： Isao Mihara ,  Yasuharu Takenaka ,  Takashi Takemoto

IPC分类号： G06T15/00

CPC分类号： H04N19/85 ,  H04N19/46 ,  H04N19/91

摘要： Computer graphics data coding apparatus includes unit configured to acquire computer graphics data items, unit configured to pre-process acquired computer graphics data items, controlling/coding unit configured to subject pre-processed computer graphics data items to process for controlling number of codes to be finally output, to generate codes, accumulation unit configured to accumulate parts to be subjected to entropy coding, which are contained in generated codes, calculation unit configured to calculate entropy information based on accumulated parts, and generate code words based on entropy information, entropy information indicating amount of entropy, entropy coding unit configured to subject generated codes to entropy coding based on generated code words, to generate entropy codes, extraction unit configured to extract, from entropy information, minimum information for decoding, extracted-information coding unit configured to code minimum information in order to reduce amount of minimum information, and output unit configured to output entropy codes and coded minimum information.

摘要翻译： 计算机图形数据编码装置包括被配置为获取计算机图形数据项的单元，被配置为预处理获取的计算机图形数据项的单元，被配置为对预处理的计算机图形数据项进行管理的控制/编码单元，以处理用于控制代码数 最后输出，生成代码，累积单元，被配置为累积包含在生成代码中的要进行熵编码的部分，计算单元，被配置为基于累积部分计算熵信息，并且基于熵信息生成代码字，熵信息 熵编码单元，被配置为基于生成的代码字对生成的代码进行熵编码，以生成熵代码;提取单元，被配置为从熵信息提取用于解码的最小信息，提取信息编码单元，被配置为编码 最小化信息以减少数量 最小信息和输出单元，被配置为输出熵代码和编码的最小信息。

公开(公告)号：US20060187220A1

公开(公告)日：2006-08-24

申请号：US11225051

申请日：2005-09-14

申请人： Sumihiko Yamamoto ,  Takashi Takemoto ,  Yasuharu Takenaka

发明人： Sumihiko Yamamoto ,  Takashi Takemoto ,  Yasuharu Takenaka

IPC分类号： G06T15/40

CPC分类号： G06T15/405

摘要： An image processing apparatus includes a first and second Z value calculators that calculate a polygon Z value and a block Z value, respectively. The polygon Z value is a coordinate value of a pixel located at a closest point to a viewpoint. The block Z value is a coordinate value of a pixel located at a closest point to the viewpoint in a block. The apparatus also includes a Z value selector that selects a Z value of a pixel closer to the viewpoint from the polygon Z value and the block Z value as an estimate Z value; and a hidden-surface removal unit that eliminates drawing of the polygon in the block when a pixel corresponding to the estimate Z value is located at a farther point from the viewpoint than a pixel located at a farthest point from the viewpoint.

摘要翻译： 图像处理装置包括分别计算多边形Z值和块Z值的第一和第二Z值计算器。 多边形Z值是位于最接近视点的点的像素的坐标值。 块Z值是位于与块中的视点最近点的像素的坐标值。 该装置还包括：Z值选择器，从多边形Z值和块Z值中选择更靠近视点的像素的Z值作为估计Z值; 以及隐藏表面去除单元，当与估计Z值相对应的像素位于比视点最远点处的像素位于离视点更远的点处时，消除块中的多边形的绘制。

公开(公告)号：US06711603B1

公开(公告)日：2004-03-23

申请号：US09583574

申请日：2000-05-31

申请人： Yasuharu Takenaka

发明人： Yasuharu Takenaka

IPC分类号： G06F752

CPC分类号： G06F7/535 ,  G06F2207/5356

摘要： A fractional arithmetic unit for performing fractional arithmetic operations of different numerators and a common denominator with different precisions as required, the fractional arithmetic unit, including a reciprocal number arithmetic logic unit; and a multiply arithmetic circuit configured to multiply a numerator and a reciprocal number of the denominator as obtained by the reciprocal number arithmetic logic unit. A precision of a calculation performed by the reciprocal number arithmetic logic unit is changed in accordance with a precision as required for each of the fractional arithmetic operations. The multiply arithmetic circuit outputs a result of multiplication as a result of the fractional arithmetic operation, and the results of the fractional arithmetic operations are output with different precisions.

摘要翻译： 分数运算单元，用于根据需要执行不同分数的分数运算和具有不同精度的公分母;分数运算单元，包括倒数算术逻辑单元; 以及乘法运算电路，被配置为乘以由所述倒数算术逻辑单元获得的分母和所述分母的倒数。 由往复数算术逻辑单元执行的计算精度根据每个分数算术运算所需的精度而改变。 乘法运算电路作为分数算术运算的结果输出乘法运算结果，分数运算的结果以不同的精度输出。