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1. 发明申请

US20110116721A1 METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE DATA USING RUN OF THE IMAGE DATA 有权
标题翻译：用于使用图像数据的运行来编码和解码图像数据的方法和装置
公开(公告)号：US20110116721A1
公开(公告)日：2011-05-19
申请号：US12950163
申请日：2010-11-19
申请人： Dai-Woong CHOI , Jung-Woo KIM , Sung-Bum PARK , Jae-Won YOON
发明人： Dai-Woong CHOI , Jung-Woo KIM , Sung-Bum PARK , Jae-Won YOON
IPC分类号： G06K9/46 , G06K9/36
CPC分类号： H04N19/93 , H04N19/12 , H04N19/136 , H04N19/182 , H04N19/593
摘要： An encoding method includes selecting a run detection method in accordance with characteristics of image data, generating a run value by detecting a run that is repeated in the image data in accordance with the selected run detection method, generating run count bits by counting the number of repetitions of the detected run, and performing a run-length encoding using the detected run values and the run count bits. The run detection method includes a coefficient run detection method that detects a run based on pixel values, a pattern run detection method that detects the run based on whether the pixel blocks have a specified pattern, a difference run detection method that detects the run based on a difference value between two successive pixel values, and a residual run detection method that detects the run based on an error value that is a difference value between an actual pixel value and a predicted value.
摘要翻译：一种编码方法，包括根据图像数据的特性来选择运行检测方法，通过根据所选择的运行检测方法检测在图像数据中重复的运行来生成运行值，通过对运行计数位的数量进行计数来生成运行计数位重复检测到的运行，以及使用检测到的运行值和运行计数位来执行游程长度编码。运行检测方法包括：基于像素值检测运行的系数运行检测方法，基于像素块是否具有指定图案来检测运行的图案运行检测方法;基于检测运行的差分运行检测方法，基于两个连续像素值之间的差值，以及基于作为实际像素值和预测值之间的差值的误差值来检测运行的剩余运行检测方法。

2. 发明申请

US20090279797A1 ENTROPY ENCODING AND DECODING METHOD AND APPARATUS USING LEAST SIGNIFICANT BIT 审中-公开
标题翻译：熵编码和解码方法和使用最小重要位的设备
公开(公告)号：US20090279797A1
公开(公告)日：2009-11-12
申请号：US12426593
申请日：2009-04-20
申请人： Jong-bum CHOI , Woo-sung SHIM , Sung-bum PARK , Young-ho MOON , Dai-Woong CHOI , Jae-won YOON
发明人： Jong-bum CHOI , Woo-sung SHIM , Sung-bum PARK , Young-ho MOON , Dai-Woong CHOI , Jae-won YOON
IPC分类号： G06K9/36
CPC分类号： H04N19/86 , H04N19/91
摘要： Provided are entropy encoding and decoding methods. The entropy encoding method includes receiving residual coefficients obtained by frequency converting a residual image, determining a first bit string about residual coefficients having nonzero levels from among the received residual coefficients, determining at least one lower bit, including a least significant bit of the first bit string, from the first bit string, and determining a second bit string obtained by bit-shifting the first bit string to the right by the number of lower bits.
摘要翻译：提供了熵编码和解码方法。熵编码方法包括：接收通过频率转换残差图像获得的残差系数，从接收的残差系数中确定关于具有非零电平的残余系数的第一位串，确定至少一个低位，包括第一位的最低有效位字符串，并且确定通过将第一位串向右移位低位数获得的第二位串。

3. 发明申请

US20090279803A1 METHOD AND APPARATUS FOR CONVERTING BIT-PLANE IMAGE, AND METHOD AND APPARATUS FOR INVERSE-CONVERTING BIT-PLANE IMAGE 失效
标题翻译：用于转换平面图像的方法和装置，以及用于反转转换平面图像的方法和装置
公开(公告)号：US20090279803A1
公开(公告)日：2009-11-12
申请号：US12420409
申请日：2009-04-08
申请人： Young-ho MOON , Sung-bum PARK , Woo-sung SHIM , Dai-Woong CHOI , Jong-bum CHOI , Jae-won YOON
发明人： Young-ho MOON , Sung-bum PARK , Woo-sung SHIM , Dai-Woong CHOI , Jong-bum CHOI , Jae-won YOON
IPC分类号： G06K9/36
CPC分类号： H04N19/40 , H04N19/61 , H04N19/63
摘要： Provided are methods and apparatuses for converting a lower bit-plane image, and methods and apparatuses for inverse-converting the lower bit-plane image, which increase the correlation of the lower bit-plane image. According to the method of converting a lower bit-plane image, pixels of the lower bit-plane image are sequentially added or subtracted so as to generate a converted lower bit-plane image. Accordingly, the lower bit-plane image has higher regularity, and thus the efficiency of image processing using the lower bit-plane image is improved.
摘要翻译：提供了用于转换较低位平面图像的方法和装置，以及用于逆变换低位平面图像的方法和装置，其增加了较低位平面图像的相关性。根据转换较低位平面图像的方法，顺序地添加或减去较低位平面图像的像素，以产生转换的较低位平面图像。因此，较低的位平面图像具有较高的规则性，因此提高了使用较低位平面图像的图像处理的效率。

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