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1. 发明申请

US20200090014A1 IMAGE DECOMPRESSING APPARATUS, CONTROL METHOD THEREOF, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM 审中-公开
公开(公告)号：US20200090014A1
公开(公告)日：2020-03-19
申请号：US16569812
申请日：2019-09-13
申请人： CANON KABUSHIKI KAISHA
发明人： Daisaku Moriwaki
IPC分类号： G06K15/02
摘要： A decompressing apparatus comprises a first decompressing unit, a second decompressing unit which can decompresses encoded data that the first decompressing unit does not support, an identifying unit which identifies a type of each encoded block, a generating unit which, if encoded block of interest is a type that can be decompressed by the first decompressing unit, stores the encoded data in a memory, and, if not, stores predetermined encoded data that can be decompressed by the first decompressing unit in the memory, and control unit which controls the first decompressing unit to decompress the encoded data in the memory to generate tentative image data, then controls the second decompressing unit to decompress the encoded data that cannot be decompressed by the first decompressing unit, and updates the tentative image data with the decompression result.

2. 发明申请

US20160358052A1 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM 审中-公开
标题翻译：信息处理设备，信息处理方法和存储介质
公开(公告)号：US20160358052A1
公开(公告)日：2016-12-08
申请号：US15171505
申请日：2016-06-02
申请人： CANON KABUSHIKI KAISHA
发明人： Daisaku Moriwaki
IPC分类号： G06K15/02
CPC分类号： G06K15/1851 , G06K15/1817 , G06K15/184
摘要： An information processing apparatus generates intermediate data to convert input print data into raster image data. The information processing apparatus includes a decoding unit configured to decode coded compression data of an image object to be drawn in an image based on the print data, and a rendering unit configured to generate raster image data by performing rendering for each region of the image with reference to image data of the image object stored by a storing unit. The decoding unit decodes compression data of an image object to be drawn in an interested region and at least a part of compression data of an image object to be drawn in a region following the interested region, while the rendering unit generates raster image data for the interested region.
摘要翻译：信息处理装置生成用于将输入的打印数据转换为光栅图像数据的中间数据。信息处理装置包括：解码单元，被配置为基于打印数据对图像中要绘制的图像对象的编码压缩数据进行解码;以及渲染单元，被配置为通过对图像的每个区域进行渲染来生成光栅图像数据，参考由存储单元存储的图像对象的图像数据。解码单元对感兴趣区域中要绘制的图像对象的压缩数据进行解码，并且在感兴趣区域之后的区域中解码要绘制的图像对象的压缩数据的至少一部分，而渲染单元生成用于感兴趣的地区。

3. 发明授权

US10803368B2 Image decompressing apparatus, control method thereof, and non-transitory computer-readable storage medium 有权
公开(公告)号：US10803368B2
公开(公告)日：2020-10-13
申请号：US16569812
申请日：2019-09-13
申请人： CANON KABUSHIKI KAISHA
发明人： Daisaku Moriwaki
IPC分类号： G06K15/00 , G06K15/02
摘要： A decompressing apparatus comprises a first decompressing unit, a second decompressing unit which can decompresses encoded data that the first decompressing unit does not support, an identifying unit which identifies a type of each encoded block, a generating unit which, if encoded block of interest is a type that can be decompressed by the first decompressing unit, stores the encoded data in a memory, and, if not, stores predetermined encoded data that can be decompressed by the first decompressing unit in the memory, and control unit which controls the first decompressing unit to decompress the encoded data in the memory to generate tentative image data, then controls the second decompressing unit to decompress the encoded data that cannot be decompressed by the first decompressing unit, and updates the tentative image data with the decompression result.

4. 发明授权

US10555009B2 Encoding device, encoding method, decoding device, decoding method, and generation method 有权
公开(公告)号：US10555009B2
公开(公告)日：2020-02-04
申请号：US15837347
申请日：2017-12-11
申请人： CANON KABUSHIKI KAISHA
发明人： Takayuki Nagashima , Daisaku Moriwaki
IPC分类号： G06K9/00 , H04N19/90 , H04N19/17 , H04N19/14 , H04N19/186 , H04N1/64 , H04N19/70
摘要： An encoding device comprises: a dividing unit configured to divide an encoding unit of an image into a plurality of regions; a header generation unit configured to generate, for each boundary that partitions each of the plurality of regions along a direction which crosses a line, a boundary header used to identify the boundary; a trajectory generation unit configured to generate a piece of trajectory information representing a displacement of the boundary associated with progress of a line; and an aligning unit configured to, when generating encoded data including generated boundary headers and generated pieces of trajectory information, change, in accordance with the number of boundaries, a manner in which the generated boundary headers and the generated pieces of trajectory information are aligned.

5. 发明申请

US20180167643A1 ENCODING DEVICE, ENCODING METHOD, DECODING DEVICE, DECODING METHOD, AND GENERATION METHOD 审中-公开
公开(公告)号：US20180167643A1
公开(公告)日：2018-06-14
申请号：US15837347
申请日：2017-12-11
申请人： CANON KABUSHIKI KAISHA
发明人： Takayuki Nagashima , Daisaku Moriwaki
IPC分类号： H04N19/90 , H04N19/17 , H04N19/70 , H04N19/186 , H04N1/64 , H04N19/14
CPC分类号： H04N19/99 , H04N1/41 , H04N1/64 , H04N1/648 , H04N19/14 , H04N19/17 , H04N19/186 , H04N19/426 , H04N19/70
摘要： An encoding device comprises: a dividing unit configured to divide an encoding unit of an image into a plurality of regions; a header generation unit configured to generate, for each boundary that partitions each of the plurality of regions along a direction which crosses a line, a boundary header used to identify the boundary; a trajectory generation unit configured to generate a piece of trajectory information representing a displacement of the boundary associated with progress of a line; and an aligning unit configured to, when generating encoded data including generated boundary headers and generated pieces of trajectory information, change, in accordance with the number of boundaries, a manner in which the generated boundary headers and the generated pieces of trajectory information are aligned.

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