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    • 2. 发明授权
    • Image processing system
    • 图像处理系统
    • US07733511B2
    • 2010-06-08
    • US10808375
    • 2004-03-25
    • Kenichi TakahashiKaitaku OzawaMunehiro Nakatani
    • Kenichi TakahashiKaitaku OzawaMunehiro Nakatani
    • G06F3/12
    • H04N19/645H04N19/48H04N19/63H04N19/70
    • The invention provides an image processing system which can give different securities to data of respective receivers with a simple operation and, in this case, which can realize shortening of time for communication to a destination and suppression of use of memory resources. A plurality of regions preset in image data are related to destinations, code data constituting one of regions corresponding to the destinations or the other regions is replaced with code data which make pieces of information included in the regions invisible in the JPEG2000 file transmitted to the destinations, and the JPEG2000 file after the replacing process is transmitted to the destinations.
    • 本发明提供一种图像处理系统,其能够以简单的操作向各个接收机的数据提供不同的证券,并且在这种情况下,可以实现缩短与目的地通信的时间和抑制存储器资源的使用。 图像数据中预设的多个区域与目的地相关,构成与目的地或其他区域对应的区域中的一个区域的代码数据被代码数据代替,该代码数据使得包含在JPEG2000文件中不可见的区域中的信息被发送到目的地 ,并且将替换处理后的JPEG2000文件传输到目的地。
    • 3. 发明授权
    • JPEG2000 coding and/or decoding apparatus and method
    • JPEG2000编码和/或解码装置和方法
    • US07483582B2
    • 2009-01-27
    • US10807390
    • 2004-03-24
    • Kaitaku OzawaKenichi TakahashiMunehiro Nakatani
    • Kaitaku OzawaKenichi TakahashiMunehiro Nakatani
    • G06K9/00G06K9/36G06K9/46H04N1/00H04N1/40H04N7/12H04N11/02H04N11/04H04B1/66
    • G06T9/00G06T9/007G06T2210/32
    • On JPEG2000 coding apparatus, the coding process is performed by discriminating an area defined by each object contained in image data and specifying type of the object, performing character recognition processing on the area discriminated as that containing a character to produce a text data and producing an XML data corresponding to said text data, adding an XML box that can store a specific data into a bit stream constructing said JPEG2000 file so as to be positioned in back of a predetermined level of wavelet decomposition and causing said XML box to store said XML data. On the other hand, on JPEG2000 decoding apparatus, the decoding process is performed by causing user to select whether to read an XML box added into a bit stream of JPEG2000 file in the middle of JPEG2000 decoding process, and processing the XML data stored in the XML box to acquire a text data.
    • 在JPEG2000编码装置中,通过区分由图像数据中包含的每个对象定义的区域和对象的指定类型来执行编码处理,对被识别为包含字符的区域进行字符识别处理以产生文本数据,并产生 对应于所述文本数据的XML数据,添加可将特定数据存储到构成所述JPEG2000文件的比特流中的XML框,以便被定位在预定级别的小波分解之后,并使所述XML框存储所述XML数据 。 另一方面,在JPEG2000解码装置中,通过使用户在JPEG2000解码处理中选择是否读入添加到JPEG2000文件的比特流中的XML框来执行解码处理,并且处理存储在JPEG2000解码处理中的XML数据 XML框以获取文本数据。
    • 4. 发明授权
    • Image processing apparatus
    • 图像处理装置
    • US07373000B2
    • 2008-05-13
    • US10735911
    • 2003-12-16
    • Kaitaku OzawaKenichi TakahashiMunehiro Nakatani
    • Kaitaku OzawaKenichi TakahashiMunehiro Nakatani
    • G06K9/36
    • H04N19/122H04N19/157H04N19/162H04N19/176H04N19/42H04N19/423H04N19/63
    • An image processing apparatus for performing at least one of JPEG 2000 encoding and decoding processes, including: a JPEG 2000 hardware encoder-decoder including a memory that performs wavelet transform and inverse transform of image information up to a specific tile size using only hardware components; an acquirer for acquiring a tile size information of image data to be encoded or decoded; a determiner for determining whether the acquired tile size can be processed using only said JPEG 2000 hardware encoder-decoder or not; a selector for selecting one of a first and second process based on result of a decision by said determiner, the first process being wavelet transform and inverse transform process performed using only components constituting said JPEG 2000 hardware encoder-decoder and the second process being wavelet transform and inverse transform process performed using components other than components constituting said JPEG 2000 hardware encoder-decoder.
    • 一种用于执行JPEG 2000编码和解码处理中的至少一个的图像处理装置,包括:JPEG 2000硬件编码器 - 解码器,其包括执行小波变换的存储器,并且仅使用硬件组件将图像信息逆向变换到特定的块尺寸; 获取器,用于获取要编码或解码的图像数据的大小信息; 确定器,用于确定是否可以仅使用所述JPEG 2000硬件编码器解码器来处理所获取的片尺寸; 一个选择器,用于基于所述确定器的决定结果来选择第一和第二进程中的一个,第一处理是仅使用构成所述JPEG 2000硬件编码器 - 解码器的组件进行小波变换和逆变换处理,第二处理是小波变换 并且使用除了构成所述JPEG 2000硬件编码器 - 解码器的组件之外的组件执行逆变换处理。
    • 5. 发明授权
    • Image forming apparatus and copy management system
    • 图像形成装置和复印管理系统
    • US07266215B2
    • 2007-09-04
    • US10084708
    • 2002-02-21
    • Yoshikazu IkenoueHideo KumashiroMunehiro Nakatani
    • Yoshikazu IkenoueHideo KumashiroMunehiro Nakatani
    • G06K9/00H04L9/00
    • H04N1/0084G06T1/0021G06T1/0028G06T2201/0051G06T2201/0061G06T2201/0064H04N1/00846H04N1/00854H04N1/00867H04N1/0087H04N1/00875H04N1/00877H04N1/32149H04N1/32203H04N1/32208H04N1/32213H04N1/32229H04N1/32251H04N1/32261H04N1/32288H04N2201/3205H04N2201/3214H04N2201/3215H04N2201/3226H04N2201/3232H04N2201/3242H04N2201/3246H04N2201/327H04N2201/3274H04N2201/3283Y10S283/901Y10S283/902
    • An additional data useful for the management of copies of a document for an image forming apparatus is embedded in a hard copy of the document. The additional data is embedded in an inherent image of a document as discrete dots arranged in a prescribed format. Preferably, the size of each of said discrete dots is not so large as to be recognized easily with naked eyes. The additional data can be embedded in unit of blocks. Further, the density of the discrete dots is different from the density adjacent to the discrete dots. The image data for embedding an additional data can be obtained by reading a document, or by receiving data sent from a computer or read from a floppy disk. An additional data embedded in a hard copy can be extracted from the image data on the hard copy. Further, the production of a copy according to the image data can be controlled according to the extracted additional data. For example, if the additional data means that the source of the hard copy is a secret document, the copying is allowed only for a legitimate user. An additional data is generated for each copy according to the extracted additional data for embedding it in a hard copy to identify each copy. The additional data generated for each copy are compiled and they are used to manage copies of various sources systematically and illegal copies can be traced easily. If the additional data received from a printer is not consistent with the additional data already stored, the printing may be prohibited. A transmitter for transmitting an additional data may be provided in a document such as a book.
    • 用于管理图像形成装置的文档的副本的附加数据被嵌入文档的硬拷贝中。 附加数据嵌入文档的固有图像中,作为以规定格式排列的离散点。 优选地,每个所述离散点的尺寸不是很大,以致容易用肉眼识别。 附加数据可以以块为单位嵌入。 此外,离散点的密度与离散点相邻的密度不同。 用于嵌入附加数据的图像数据可以通过读取文档或通过接收从计算机发送的数据或从软盘读取来获得。 可以从硬拷贝上的图像数据中提取嵌入在硬拷贝中的附加数据。 此外,可以根据所提取的附加数据来控制根据图像数据的副本的制作。 例如,如果附加数据意味着硬拷贝的来源是秘密文件,则仅允许合法用户复制。 根据提取的附加数据为每个副本生成附加数据,以将其嵌入硬拷贝中以识别每个副本。 为每个副本生成的附加数据进行编译,并用于系统地管理各种源的副本,并且可以轻松地跟踪非法副本。 如果从打印机接收到的附加数据与已经存储的附加数据不一致,则可能禁止打印。 用于发送附加数据的发送器可以在诸如书籍的文档中提供。
    • 9. 发明授权
    • Data processor for image data using orthogonal transformation
    • 数据处理器,用于使用正交变换的图像数据
    • US5517327A
    • 1996-05-14
    • US267711
    • 1994-06-28
    • Munehiro NakataniHiroyuki SuzukiKazuomi Sakatani
    • Munehiro NakataniHiroyuki SuzukiKazuomi Sakatani
    • G06T9/00H04N1/40H04N1/41H04N1/413H04N7/26H04N7/30
    • H04N1/41H04N1/40062H04N1/413H04N19/126H04N19/14H04N19/17H04N19/176H04N19/42H04N19/48H04N19/60H04N19/124H04N19/132H04N19/146H04N19/149H04N19/15H04N19/30
    • In a data processor, image data of a pixel matrix is subjected to orthogonal transformation to coefficient data, the coefficient data is quantized with a first quantization table for character image and a second quantization table for half-tone image, and the image data is discriminated to be character image data or half-tone image data according to the quantization data. The selected data is then coded. In another processor, image data are divided into first and second processing blocks of m*m and M*M pixel matrices wherein M>m and the second processing block includes one of first processing blocks and adjacent pixels. Image data in a first and second processing block are subjected to orthogonal transformation to coefficient data. It is discriminated according to the coefficient data of the second processing block if the image is a character, dot, or half-tone image to select an appropriate quantization table, and image data of the first block is quantized according to the selected table and the quantized data are coded. In a further processor, two discrimination windows are provided, the first having coefficient data around the DC component and the second having the other data. Orthogonal transform coefficients of image data in a processing block are calculated, and maximum of absolute values in the windows are obtained. An image is discriminated to be a dot image if the maximum of the first window is larger than the second and larger than a threshold value.
    • 在数据处理器中,将像素矩阵的图像数据进行到系数数据的正交变换,用用于字符图像的第一量化表和半色调图像的第二量化表量化系数数据,并且识别图像数据 根据量化数据作为字符图像数据或半色调图像数据。 然后对所选择的数据进行编码。 在另一个处理器中,图像数据被划分成m * m和M * M个像素矩阵的第一和第二处理块,其中M> m,第二处理块包括第一处理块和相邻像素之一。 对第一和​​第二处理块中的图像数据进行正交变换到系数数据。 如果图像是用于选择适当的量化表的字符,点或半色调图像,则根据第二处理块的系数数据进行区分,并且根据所选择的表格对第一块的图像数据进行量化, 量化数据被编码。 在另一个处理器中,提供两个识别窗口,第一个具有围绕DC分量的系数数据,而第二个具有其他数据。 计算处理块中的图像数据的正交变换系数,并获得窗口中绝对值的最大值。 如果第一窗口的最大值大于第二窗口并且大于阈值,则将图像区分为点图像。