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    • 53. 发明授权
    • Image data encoding method and apparatus
    • 图像数据编码方法及装置
    • US06549667B1
    • 2003-04-15
    • US09246966
    • 1999-02-09
    • Masahiro FukudaTsugio NodaHirotaka ChibaKimitaka Murashita
    • Masahiro FukudaTsugio NodaHirotaka ChibaKimitaka Murashita
    • G06K936
    • G06F17/147H04N19/122H04N19/124H04N19/126H04N19/13H04N19/15H04N19/154H04N19/176H04N19/18H04N19/42H04N19/60H04N19/61H04N19/91
    • The present invention relates to an image data reconstructing apparatus for reconstructing an original image by dividing image data into a plurality of blocks each comprising N×N picture elements, performing two-dimensional orthogonal transform on each of the blocks, quantizing and encoding the result of the two-dimensional orthogonal transform, decoding the encoded result, dequantizing and two-dimensional inverse orthogonal transforming the above result, wherein an operation associated with the multiplication is skipped if a multiplication by zero is detected when two-dimensional inverse orthogonal transform is performed. Before performing dequantization, two block volume of buffer is provided before or after performing two-dimensional inverse orthogonal transform for executing a pipeline process. Furthermore, two-dimensional inverse orthogonal transform is performed by repeating two times a process of one-dimensional inverse orthogonal transform and matrix transposition, thus the matrix transposition being performed as the result of one-dimensional inverse orthogonal transform which is stored in buffer.
    • 本发明涉及一种图像数据重构装置,用于通过将图像数据分割成包括N×N个像素的多个块来重构原始图像,对每个块执行二维正交变换,对两个结果进行量化和编码 解码编码结果,去量化和二维逆正交变换上述结果,其中如果在执行二维逆正交变换时检测到乘以零,则与乘法相关联的操作被跳过。 在执行解量化之前,在执行二维逆正交变换之前或之后提供两个块体积的缓冲器用于执行流水线处理。 此外,通过重复两次一维逆正交变换和矩阵转置的处理来执行二维逆正交变换,因此作为存储在缓冲器中的一维逆正交变换的结果执行矩阵转置。
    • 54. 发明授权
    • Color data converting method
    • 彩色数据转换方法
    • US06373595B1
    • 2002-04-16
    • US09326624
    • 1999-06-07
    • Satoshi SembaMasayoshi ShimizuShoji SuzukiKimitaka Murashita
    • Satoshi SembaMasayoshi ShimizuShoji SuzukiKimitaka Murashita
    • G06F1500
    • H04N1/6058G06T11/001
    • In a virtual gamut-obtaining step, lightness, saturation, and/or hue angle of the second gamut is converted and an expanded virtual gamut including at least all of the lightness values of the first gamut is obtained. In a color data changing step, for color data which is not included in the virtual gamut in color data of the first gamut, lightness, saturation, and hue angle are changed, thereby obtaining third color data included in the virtual gamut. In a color data forming step, a conversion opposite to the conversion performed to the second gamut in the virtual gamut obtaining step is executed to the third color data, thereby forming second color data.
    • 在虚拟色域获取步骤中,转换第二色域的亮度,饱和度和/或色相角,并且获得包括第一色域的至少全部亮度值的扩展虚拟色域。 在颜色数据变化步骤中,对于不包括在第一色域的颜色数据中的虚拟色域中的颜色数据,亮度,饱和度和色调角度被改变,从而获得包括在虚拟色域中的第三颜色数据。 在彩色数据形成步骤中,对第三颜色数据执行与虚拟色域获取步骤中的第二色域执行的转换相反的转换,从而形成第二颜色数据。
    • 55. 发明授权
    • Image data processing method and apparatus
    • 图像数据处理方法和装置
    • US5933533A
    • 1999-08-03
    • US832962
    • 1997-04-04
    • Masahiro FukudaTsugio NodaHirotaka ChibaKimitaka Murashita
    • Masahiro FukudaTsugio NodaHirotaka ChibaKimitaka Murashita
    • G06T9/00H04N7/26H04N7/30H04N7/50G06K9/36
    • H04N19/42H04N19/122H04N19/126H04N19/15H04N19/154H04N19/176H04N19/18H04N19/60H04N19/61H04N19/124H04N19/13H04N19/91
    • The present invention relates to an image data reconstructing appatatus for reconstructing an original image by dividing image data into a plurality of blocks each comprising NXN picture elements, performing two-dimensional orthogonal transform on each of said blocks, quantizing and encoding the result of said transform, decoding the encoded result, dequantizing and two-dimensional inverse orthogonal transforming the above result, wherein an operation associated with the multiplication is skipped if a multiplication by zero is detected when two-dimensional inverse orthogonal transform is performed. Before performing dequantization, two block volume of buffer is provided before or after performing two-dimensional inverse orthogonal transform for executing a pipeline process. Furthermore, two-dimensional inverse orthogonal transform is performed by repeating two times a process of one-dimensional inverse orthogonal transform and matrix transposition, thus the matrix transposition being performed as the result of one-dimensional inverse orthogonal transform which is stored in buffer.
    • 本发明涉及一种图像数据重建应用,用于通过将图像数据划分为包括NXN图像元素的多个块来重建原始图像,对每个所述块执行二维正交变换,对所述变换的结果进行量化和编码 对所述编码结果进行解码,对所述结果进行去量化和二维逆正交变换,其中如果在执行二维逆正交变换时检测到乘以零,则与所述乘法相关联的操作被跳过。 在执行解量化之前,在执行二维逆正交变换之前或之后提供两个块体积的缓冲器用于执行流水线处理。 此外,通过重复两次一维逆正交变换和矩阵转置的处理来执行二维逆正交变换,因此作为存储在缓冲器中的一维逆正交变换的结果执行矩阵转置。
    • 56. 发明授权
    • Image data processing a method and apparatus
    • 图像数据处理方法和装置
    • US5875266A
    • 1999-02-23
    • US828562
    • 1997-03-31
    • Masahiro FukudaTsugio NodaHirotaka ChibaKimitaka Murashita
    • Masahiro FukudaTsugio NodaHirotaka ChibaKimitaka Murashita
    • G06T9/00H04N7/26H04N7/30H04N7/50G06K9/36
    • H04N19/42H04N19/122H04N19/126H04N19/15H04N19/154H04N19/176H04N19/18H04N19/60H04N19/61H04N19/124H04N19/13H04N19/91
    • The present invention relates to an image data reconstructing apparatus for reconstructing an original image by dividing image data into a plurality of blocks each comprising NXN picture elements, performing two-dimensional orthogonal transform on each of said blocks, quantizing and encoding the result of said transform, decoding the encoded result, dequantizing and two-dimensional inverse orthogonal transforming the above result, wherein an operation associated with the multiplication is skipped if a multiplication by zero is detected when two-dimensional inverse orthogonal transform is performed. Before performing dequantization, two block volume of buffer is provided before or after performing two-dimensional inverse orthogonal transform for executing a pipeline process.Furthermore, two-dimensional inverse orthogonal transform is performed by repeating two times a process of one-dimensional inverse orthogonal transform and matrix transposition, thus the matrix transposition being performed as the result of one-dimensional inverse orthogonal transform which is stored in buffer.
    • 本发明涉及一种图像数据重建装置,用于通过将图像数据分割成包括NXN图像元素的多个块来重构原始图像,对每个所述块执行二维正交变换,对所述变换的结果进行量化和编码 对所述编码结果进行解码,对所述结果进行去量化和二维逆正交变换,其中如果在执行二维逆正交变换时检测到乘以零,则与所述乘法相关联的操作被跳过。 在执行解量化之前,在执行二维逆正交变换之前或之后提供两个块体积的缓冲器用于执行流水线处理。 此外,通过重复两次一维逆正交变换和矩阵转置的处理来执行二维逆正交变换,因此作为存储在缓冲器中的一维逆正交变换的结果执行矩阵转置。
    • 57. 发明授权
    • Document managing apparatus, data compressing method, and data
decompressing method
    • 文件管理装置,数据压缩方法和数据解压缩方法
    • US5854597A
    • 1998-12-29
    • US787537
    • 1997-01-22
    • Kimitaka MurashitaShigeru YoshidaYoshiyuki Okada
    • Kimitaka MurashitaShigeru YoshidaYoshiyuki Okada
    • H03M7/40G06F17/30H03M7/30
    • G06F17/30011H03M7/30
    • In a document managing apparatus for forming a compressed document file where a keyword retrieval is available, a first process operation and a second process operation are alternately executed. In the first process operation, when document data to be compressed is given, the respective characters are directly written into a compressed document file until an end control character string appears in this document data. In the second process operation, data obtained by coding the respective characters are written into the compressed document file until a start control character series appears in the document data. Also, in this document managing apparatus, a third process operation and a fourth process operation are alternately performed, when the compressed document file is restored. In the third process operation, the respective data (characters) are directly outputted until the end control character string appears in the data contained in the compressed document file. In the fourth process operation, the decoding operation is carried out until the start control character string appears in the restored result of the data contained in the compressed document file.
    • 在用于形成关键字检索可用的压缩文件文件的文件管理装置中,交替执行第一处理操作和第二处理操作。 在第一处理操作中,当给出要压缩的文档数据时,将各个字符直接写入压缩文档文件,直到该文档数据中出现结束控制字符串。 在第二处理操作中,通过对各个字符进行编码而获得的数据被写入到压缩文档文件中,直到起始控制字符系列出现在文档数据中。 此外,在本文档管理装置中,当压缩的文件文件被恢复时,交替执行第三处理操作和第四处理操作。 在第三处理操作中,直接输出各个数据(字符),直到结束控制字符串出现在压缩文档中包含的数据中。 在第四处理操作中,执行解码操作,直到起始控制字符串出现在包含在压缩文档文件中的数据的恢复结果中。
    • 60. 发明申请
    • STORAGE MEDIUM STORING DISTANCE CALCULATION PROGRAM AND DISTANCE CALCULATION APPARATUS
    • 存储介质存储距离计算程序和距离计算装置
    • US20120213412A1
    • 2012-08-23
    • US13345945
    • 2012-01-09
    • Kimitaka MURASHITA
    • Kimitaka MURASHITA
    • G06K9/62
    • G06T7/0042G06K9/00791G06K9/00798G06T7/50G06T7/73G06T2207/30244G06T2207/30252
    • A storage medium storing a distance calculation program that causes a computer to execute operations, the operations includes; obtaining a first image captured by an image pickup device disposed on a vehicle; extracting a first feature point which satisfies an extraction condition used to determine a point on a road surface in the first image; and calculating a first distance from the first feature point to the image pickup device in a real space in accordance with data obtained by associating a position of the point in the first image and a first angle of the point viewed from a center of the image pickup device in the real space, and setting information including an angle of depression of the image pickup device and a distance between the image pickup device and the road surface.
    • 一种存储使计算机执行操作的距离计算程序的存储介质,所述操作包括: 获得由设置在车辆上的图像拾取装置捕获的第一图像; 提取满足用于确定第一图像中的路面上的点的提取条件的第一特征点; 以及根据通过将所述第一图像中的点的位置与从所述图像拾取器的中心观察的点的第一角度相关联而获得的数据,计算在实际空间中从所述第一特征点到所述图像拾取装置的第一距离 设备,以及包括图像拾取装置的按压角度和图像拾取装置与路面之间的距离的设置信息。