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1. 发明申请

US20120219234A1 IMAGE PROCESSING APPARATUS AND CONTROL METHOD THEREFOR 有权
标题翻译：图像处理装置及其控制方法
公开(公告)号：US20120219234A1
公开(公告)日：2012-08-30
申请号：US13362625
申请日：2012-01-31
申请人： Hiroki Kishi , Yuki Shiraishi , Naoki Ito
发明人： Hiroki Kishi , Yuki Shiraishi , Naoki Ito
IPC分类号： G06K9/36
CPC分类号： H04N19/40 , H04N19/132 , H04N19/146 , H04N19/18 , H04N19/635
摘要： An image processing apparatus which re-encodes encoded data, encoded with a pixel block having a predetermined number of pixels as a coding unit, while suppressing degradation of image quality, with a higher compressibility. For this purpose, when an encoded-image-data input unit inputs JPEG encoded data with an 8×8 pixel block as a coding unit, a redundancy estimation unit performs encoding on the encoded data, and sets an encoded data amount obtained by the coding, as a target code amount for a recompressor to perform coding in accordance with JPEG 2000 coding. The inputted encoded data is decompressed by a decompressor, and the recompressor generates encoded data in the previously-determined target code amount. The code amount control is performed by deleting the encoded data in bit planes in an order from a least significant bit plane toward a high-order bit plane.
摘要翻译：一种图像处理装置，其将具有预定数量的像素的像素块编码的编码数据重新编码为编码单元，同时以更高的可压缩性抑制图像质量的劣化。为此，当编码图像数据输入单元输入具有8×8像素块的JPEG编码数据作为编码单位时，冗余度估计单元对编码数据进行编码，并且设定通过编码获得的编码数据量，作为再压缩器根据JPEG2000编码执行编码的目标代码量。输入的编码数据由解压缩器解压缩，并且再压缩器以先前确定的目标代码量生成编码数据。通过以从最低有效位平面朝向高位位平面的顺序删除位平面中的编码数据来执行码量控制。

2. 发明授权

US08983219B2 Image processing apparatus and control method therefor 有权
标题翻译：图像处理装置及其控制方法
公开(公告)号：US08983219B2
公开(公告)日：2015-03-17
申请号：US13362625
申请日：2012-01-31
申请人： Hiroki Kishi , Yuki Shiraishi , Naoki Ito
发明人： Hiroki Kishi , Yuki Shiraishi , Naoki Ito
IPC分类号： G06K9/36 , G06K9/46 , H04N19/40 , H04N19/132 , H04N19/146 , H04N19/18 , H04N19/635
CPC分类号： H04N19/40 , H04N19/132 , H04N19/146 , H04N19/18 , H04N19/635
摘要： An image processing apparatus which re-encodes encoded data, encoded with a pixel block having a predetermined number of pixels as a coding unit, while suppressing degradation of image quality, with a higher compressibility. For this purpose, when an encoded-image-data input unit inputs JPEG encoded data with an 8×8 pixel block as a coding unit, a redundancy estimation unit performs encoding on the encoded data, and sets an encoded data amount obtained by the coding, as a target code amount for a recompressor to perform coding in accordance with JPEG 2000 coding. The inputted encoded data is decompressed by a decompressor, and the recompressor generates encoded data in the previously-determined target code amount. The code amount control is performed by deleting the encoded data in bit planes in an order from a least significant bit plane toward a high-order bit plane.
摘要翻译：一种图像处理装置，其将具有预定数量的像素的像素块编码的编码数据重新编码为编码单元，同时以更高的可压缩性抑制图像质量的劣化。为此，当编码图像数据输入单元输入具有8×8像素块的JPEG编码数据作为编码单位时，冗余度估计单元对编码数据进行编码，并且设定通过编码获得的编码数据量，作为再压缩器根据JPEG2000编码执行编码的目标代码量。输入的编码数据由解压缩器解压缩，并且再压缩器以先前确定的目标代码量生成编码数据。通过以从最低有效位平面朝向高位位平面的顺序删除位平面中的编码数据来执行码量控制。

3. 发明授权

US08457420B2 Image decoding apparatus for decoding image data encoded by a method designating whether to perform distortion suppression processing and control method for the same 有权
标题翻译：用于对通过指定是否执行失真抑制处理的方法编码的图像数据进行解码的图像解码装置及其控制方法
公开(公告)号：US08457420B2
公开(公告)日：2013-06-04
申请号：US12785545
申请日：2010-05-24
申请人： Hiroki Kishi
发明人： Hiroki Kishi
IPC分类号： G06K9/36
CPC分类号： H04N19/86 , H04N19/117 , H04N19/164 , H04N19/176 , H04N19/44 , H04N19/46
摘要： This invention provides a technique to turn off a distortion suppression function within the range in which image quality degradation is allowed, in order to increase the processing speed at the time of decoding. For this purpose, an apparatus of the invention rewrites parameter information in a header with information indicating that no distortion suppression processing has been performed, and decodes encoded image data including the rewritten header, when the header contains parameter information indicating that the distortion suppression processing has been performed only before the first frequency conversion.
摘要翻译：本发明提供了一种在允许图像质量劣化的范围内关闭失真抑制功能的技术，以便提高解码时的处理速度。为此，本发明的装置在标题中重写具有指示没有进行失真抑制处理的信息的信息中的参数信息，并且当标题包含指示失真抑制处理具有的参数信息时，对包括重写标题的编码图像数据进行解码仅在第一次变频之前进行。

4. 发明申请

US20090252232A1 IMAGE ENCODING APPARATUS AND CONTROL METHOD THEREOF 有权
标题翻译：图像编码装置及其控制方法
公开(公告)号：US20090252232A1
公开(公告)日：2009-10-08
申请号：US12411992
申请日：2009-03-26
申请人： Hiroki Kishi , Takeshi Yamazaki
发明人： Hiroki Kishi , Takeshi Yamazaki
IPC分类号： H04N11/04
CPC分类号： H04N19/176 , H04N19/18 , H04N19/59 , H04N19/60
摘要： This invention enables to generate encoded data without noticeable image quality degradation when reproducing an image at a lower resolution not to mention the original resolution. An image a digital camera can capture takes three sizes L, M, and S. When the size L is designated, stream conversion information SC is set to “2”. When the size M is designated, the stream conversion information SC is set to “1”. When the size S is designated, the stream conversion information SC is set to “0”. When encoding image data in compression processing, block overlap processing of suppressing discontinuity of data at the boundary between adjacent blocks is executed as many times as the count set in the stream conversion information.
摘要翻译：当以更低分辨率再现图像时，本发明能够生成编码数据，而不会引起图像质量下降，而不是提及原始分辨率。数码相机可以捕获的图像具有三种尺寸L，M和S.当指定尺寸L时，流转换信息SC被设置为“2”。当指定尺寸M时，流转换信息SC被设置为“1”。当指定尺寸S时，流转换信息SC被设置为“0”。当在压缩处理中对图像数据进行编码时，执行抑制相邻块之间的边界处的数据不连续性的块重叠处理与流转换信息中设置的计数一样多的次数。

5. 发明授权

US07460719B2 Image processing apparatus and method of encoding image data therefor 有权
标题翻译：用于编码图像数据的图像处理装置和方法
公开(公告)号：US07460719B2
公开(公告)日：2008-12-02
申请号：US10752896
申请日：2004-01-06
申请人： Hiroki Kishi
发明人： Hiroki Kishi
IPC分类号： G06K9/36 , G06K9/46
CPC分类号： H04N19/645 , H04N19/102 , H04N19/61 , H04N19/619 , H04N19/63 , H04N19/70
摘要： An image processing apparatus and method in which moving picture part data, which is used as a moving picture frame, and remaining difference data is generated from the data of a still picture frame, and the moving picture part data is used conjointly for reproducing the moving picture frame and the still picture frame, thereby making it possible to efficiently encode image data in which a still picture frame of a quality higher than that of a moving picture frame is mixed in moving picture data composed of successive moving picture frames.
摘要翻译：一种图像处理装置和方法，其中使用用作运动图像帧的运动图像部分数据和剩余差分数据从静止图像帧的数据生成，并且运动图像部分数据被共同地用于再现移动图像帧和静止图像帧，从而使得可以有效地编码其中质量高于运动图像帧的静止图像帧的图像数据被混合在由连续运动图像帧组成的运动图像数据中。

6. 发明授权

US06847735B2 Image processing system, image processing apparatus, image input apparatus, image output apparatus and method, and storage medium 有权
标题翻译：图像处理系统，图像处理装置，图像输入装置，图像输出装置和方法以及存储介质
公开(公告)号：US06847735B2
公开(公告)日：2005-01-25
申请号：US09875011
申请日：2001-06-07
申请人： Hiroshi Kajiwara , Makoto Sato , Hiroki Kishi
发明人： Hiroshi Kajiwara , Makoto Sato , Hiroki Kishi
IPC分类号： G06T9/00 , G06K9/36
CPC分类号： G06T9/007
摘要： This invention has as its object to attain efficient encoding/decoding even when the processing time, memory, arithmetic cost, and the like of an apparatus are limited.Encoded image data is input to an image processing apparatus (1) to obtain transform coefficients of subbands. The transform coefficients required to decode an image from its head position line by line are encoded by Golomb coding using one line of a subband as a unit to generate a code sequence, which is output to an image output apparatus (2). The image output apparatus (2) reconstructs an image by decoding the Golomb encoded data, dequantizing the coefficients, and computing the inverse discrete wavelet transforms of the coefficients, and outputs the reconstructed image.
摘要翻译：本发明的目的在于，即使在设备的处理时间，存储器，算术成本等受到限制的情况下，也可以实现有效的编码/解码。将图像数据输入到图像处理装置（1），获得变换系数子带逐行解码图像的头部位置所需的变换系数由Golomb编码，使用一行子带作为单位进行编码，生成代码序列，输出到图像输出装置（2）。图像输出装置（2）通过对Golomb编码数据进行解码，对系数进行去量化，并计算系数的逆离散小波变换来重构图像，并输出重构图像。

7. 发明授权

US08463057B2 Image encoding apparatus and control method therefor 有权
标题翻译：图像编码装置及其控制方法
公开(公告)号：US08463057B2
公开(公告)日：2013-06-11
申请号：US13018677
申请日：2011-02-01
申请人： Hiroki Kishi
发明人： Hiroki Kishi
IPC分类号： G06K9/36
CPC分类号： H03M7/4012 , H03M7/4081 , H04N19/91
摘要： An encoding unit separates converted coefficients obtained by frequency conversion into the upper-bit portion that is higher than a bit position specified by a boundary bit position determined when the previous macro block is encoded and the lower-bit portion, performs encoding on the upper-bit portion and outputs the encoded data and the lower-bit portion. When a maximum difference in the number of valid bits of the converted coefficients represented by the lower-bit portion remaining after deletion and the upper-bit portion of each pixel block when it is assumed that the number of bits i to be deleted is changed to 1, 2, . . . and so on in the range of the finite number of bits representing converted coefficients is represented as max_diff(i), a stream generating unit creates a histogram constituted by the bit number i and the frequency for max_diff(i) to determine the number of bits N to be deleted.
摘要翻译：编码单元将通过频率转换获得的经转换的系数分离成高于由前一个宏块被编码确定的边界位位置指定的比特位置的高位部分和低位部分，并且输出编码数据和低位部分。当假设删除的比特数i被改变为在删除后剩余的低位部分表示的转换系数的有效比特数和每个像素块的高位比特部分的最大差异为 1，2，... 。。在代表转换系数的有限位数的范围内等等被表示为max_diff（i），流生成单元创建由比特数i和max_diff（i）的频率构成的直方图，以确定比特数 N被删除。

8. 发明授权

US08238686B2 Image processing apparatus, method and recording medium 有权
标题翻译：图像处理装置，方法和记录介质
公开(公告)号：US08238686B2
公开(公告)日：2012-08-07
申请号：US12369357
申请日：2009-02-11
申请人： Hiroki Kishi
发明人： Hiroki Kishi
IPC分类号： G06K9/40
CPC分类号： G06K9/481 , G06K2209/01 , G06K2209/011
摘要： An image processing apparatus specifies an evaluation-target area that tends to produce distortion in an object contained in an image, and calculates amount of distortion produced in vectorization of the object by comparing the shape of the object and the shape of a vectorized object obtained by vectorizing the object in the specified evaluation-target area. The apparatus further revises the shape of the vectorized object in the evaluation-target area so as to approach the shape of the object when the amount of distortion is larger than a predetermined reference value.
摘要翻译：图像处理装置指定倾向于产生包含在图像中的对象的失真的评估对象区域，并且通过比较对象的形状和对象的形状以及矢量化对象的形状来计算对象的矢量化中的失真量在指定的评估目标区域中对对象进行向量化。该装置进一步修正评估对象区域中的向量化对象的形状，以便在失真量大于预定基准值时接近对象的形状。

9. 发明申请

US20110194767A1 IMAGE ENCODING APPARATUS AND CONTROL METHOD THEREFOR 有权
标题翻译：图像编码装置及其控制方法
公开(公告)号：US20110194767A1
公开(公告)日：2011-08-11
申请号：US13018677
申请日：2011-02-01
申请人： Hiroki Kishi
发明人： Hiroki Kishi
IPC分类号： G06K9/36 , G06K9/00
CPC分类号： H03M7/4012 , H03M7/4081 , H04N19/91
摘要： An encoding unit separates converted coefficients obtained by frequency conversion into the upper-bit portion that is higher than a bit position specified by a boundary bit position determined when the previous macro block is encoded and the lower-bit portion, performs encoding on the upper-bit portion and outputs the encoded data and the lower-bit portion. When a maximum difference in the number of valid bits of the converted coefficients represented by the lower-bit portion remaining after deletion and the upper-bit portion of each pixel block when it is assumed that the number of bits i to be deleted is changed to 1, 2, . . . and so on in the range of the finite number of bits representing converted coefficients is represented as max_diff(i), a stream generating unit creates a histogram constituted by the bit number i and the frequency for max_diff(i) to determine the number of bits N to be deleted.
摘要翻译：编码单元将通过频率转换获得的经转换的系数分离成高于由前一宏块被编码确定的边界位位置指定的比特位置的高位部分和低位部分，并且输出编码数据和低位部分。当假设删除的比特数i被改变为在删除后剩余的低位部分表示的转换系数的有效比特数和每个像素块的高位比特部分的最大差异为 1，2，... 。。在代表转换系数的有限位数的范围内等等被表示为max_diff（i），流生成单元创建由比特数i和max_diff（i）的频率构成的直方图，以确定比特数 N被删除。

10. 发明申请

US20090252427A1 IMAGE ENCODING APPARATUS AND CONTROL METHOD THEREOF 有权
标题翻译：图像编码装置及其控制方法
公开(公告)号：US20090252427A1
公开(公告)日：2009-10-08
申请号：US12412002
申请日：2009-03-26
申请人： Hiroki Kishi , Takeshi Yamazaki
发明人： Hiroki Kishi , Takeshi Yamazaki
IPC分类号： G06K9/36
CPC分类号： H04N19/59 , H04N19/124 , H04N19/18 , H04N19/48 , H04N19/593
摘要： This invention enables to generate encoded data without noticeable image quality degradation when reproducing an image at a lower resolution not to mention the original resolution. To accomplish this, when setting is done to transmit an image captured by a digital camera to a network, code stream forming information CF is set to “2” to arrange the encoded data of each tile in a resolution order. To suppress image quality degradation when reproducing at an intermediate resolution, stream conversion information SC is set to “2”. When encoding image data in compression processing, block overlap processing of suppressing discontinuity of data at the boundary between adjacent blocks is executed as many times as the count set in the stream conversion information. The obtained encoded data is arranged in accordance with the code stream forming information CF and output.
摘要翻译：当以更低分辨率再现图像时，本发明能够生成编码数据，而不会引起图像质量下降，而不是提及原始分辨率。为了实现这一点，当完成设置以将由数字照相机捕获的图像发送到网络时，代码流形成信息CF被设置为“2”，以按照分辨率顺序排列每个瓦片的编码数据。为了在以中间分辨率再现时抑制图像质量劣化，流转换信息SC被设置为“2”。当在压缩处理中对图像数据进行编码时，执行抑制相邻块之间的边界处的数据不连续性的块重叠处理与流转换信息中设置的计数一样多的次数。获得的编码数据根据码流形成信息CF进行排列并输出。

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