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    • 6. 发明授权
    • 화상 부호화장치, 화상 복호화장치, 화상 부호화방법, 화상 복호화방법 및 매체
    • 화상부호화장치,화상복호화장치,화상부호화방법,화상복호화방법및매체
    • KR100422935B1
    • 2004-03-12
    • KR1019997000815
    • 1997-07-25
    • 파나소닉 주식회사
    • 하타고이치에토미노루안케이다케시
    • H04N1/417
    • H04N1/415H04N1/411H04N19/107H04N19/61
    • An image encoding apparatus comprises: dynamic range estimating means 10101 for obtaining a dynamic range from a target multi-value image to be encoded; dynamic range encoding means 10105 for encoding the dynamic range and for outputting the same as dynamic range encoded data; smoothing function estimating means 10102 for estimating a smoothing function from the target multi-value image; multi-value to binary converting means 10103 for converting the multi-value image to a binary image based on a multi-value to binary conversion criterion determined to match the smoothing function; binary image encoding means 10104 for encoding the binary image and for outputting the same as binary image encoded data; smoothing function encoding means 10106 for encoding the smoothing function and for outputting the same as smoothing function encoded data. This configuration achieves efficient encoding of the multi-value image.
    • 一种图像编码设备包括:动态范围估计装置10101,用于从要被编码的目标多值图像获得动态范围; 动态范围编码装置10105,用于对动态范围进行编码并将其作为动态范围编码数据输出; 平滑函数估计装置10102,用于根据目标多值图像估计平滑函数; 多值到二值转换装置10103,用于基于被确定为匹配平滑函数的多值到二值转换标准将多值图像转换为二值图像; 二值图像编码装置10104,用于对二值图像进行编码并将其作为二值图像编码数据输出; 平滑函数编码装置10106,用于对平滑函数进行编码并将其输出为平滑函数编码数据。 该配置实现了多值图像的高效编码。 <图像>
    • 8. 发明公开
    • 화상 부호화장치, 화상 복호화장치, 화상 부호화방법, 화상 복호화방법 및 매체
    • 图像编码器,图像解码器,图像编码方法,图像解码方法和介质
    • KR1020000029714A
    • 2000-05-25
    • KR1019997000815
    • 1997-07-25
    • 파나소닉 주식회사
    • 하타고이치에토미노루안케이다케시
    • H04N1/417
    • H04N1/415H04N1/411H04N19/107H04N19/61
    • PURPOSE: An image encoding apparatus, an image decoding apparatus, an image encoding method, an image decoding method, and a medium having recorded thereon a program which causes a computer to carry out their processing operations is provided so that a pixel to be encoded is predicted from a previously obtained binary image having high correlation, and the difference between them is encoded, thereby achieving more efficient encoding and decoding than can be achieved with the binary image encoding and decoding techniques used in the prior art. CONSTITUTION: A picture encoder which is provided with a dynamic range estimating means(10101) which obtains a dynamic range from a multi-pixel picture to be encoded, a dynamic range encoding means (10105) which encodes the dynamic range and outputs the range as encoded dynamic range data, a smoothing function estimating means (10102) which estimates a smoothing function from the multi-pixel picture, a multi/binary pixel converting means (10103) which converts the multi-pixel picture into a binary picture based on the multi/binary pixel converting standard corresponding to the smoothing function, a binary picture encoding means (10104) which encodes the binary picture and outputs the picture as encoded binary picture data, and a smoothing function encoding means (10106) which encodes the smoothing function and outputs the function as encoded smoothing function data. Therefore, the multi-pixel picture can be encoded efficiently.
    • 目的:提供一种图像编码装置,图像解码装置,图像编码方法,图像解码方法以及记录有使计算机执行其处理操作的程序的介质,使得要编码的像素为 从先前获得的具有高相关性的二进制图像预测,并且它们之间的差被编码,从而实现比现有技术中使用的二进制图像编码和解码技术可以实现的更有效的编码和解码。 构成:具有从要编码的多像素图像获取动态范围的动态范围估计装置(10101)的图像编码器,对动态范围进行编码的动态范围编码装置(10105),并将范围输出为 编码动态范围数据,从多像素图像估计平滑函数的平滑函数估计装置(10102),基于多像素图像将多像素图像转换为二进制图像的多/二值像素转换装置(10103) /对应于平滑函数的二进制像素转换标准,对二进制图像进行编码并将图像输出为编码二进制图像数据的二进制图像编码装置(10104)以及对平滑功能和输出进行编码的平滑功能编码装置(10106) 该函数作为编码平滑功能数据。 因此,可以有效地对多像素图像进行编码。
    • 9. 发明授权
    • 화상 부호화장치, 화상 복호화장치, 화상 부호화방법,화상 복호화방법 및 매체
    • 화상부호화장치,화상복호화장치,화상부호화방법,화상복호화방법및매체
    • KR100422943B1
    • 2004-03-12
    • KR1020017008343
    • 1997-07-25
    • 파나소닉 주식회사
    • 하타고이치에토미노루안케이다케시
    • H04N1/417
    • H04N1/415H04N1/411H04N19/107H04N19/61
    • An image encoding apparatus comprises: dynamic range estimating means 10101 for obtaining a dynamic range from a target multi-value image to be encoded; dynamic range encoding means 10105 for encoding the dynamic range and for outputting the same as dynamic range encoded data; smoothing function estimating means 10102 for estimating a smoothing function from the target multi-value image; multi-value to binary converting means 10103 for converting the multi-value image to a binary image based on a multi-value to binary conversion criterion determined to match the smoothing function; binary image encoding means 10104 for encoding the binary image and for outputting the same as binary image encoded data; smoothing function encoding means 10106 for encoding the smoothing function and for outputting the same as smoothing function encoded data. This configuration achieves efficient encoding of the multi-value image.
    • 一种图像编码设备包括:动态范围估计装置10101,用于从要被编码的目标多值图像获得动态范围; 动态范围编码装置10105,用于对动态范围进行编码并将其作为动态范围编码数据输出; 平滑函数估计装置10102,用于根据目标多值图像估计平滑函数; 多值到二值转换装置10103,用于基于被确定为匹配平滑函数的多值到二值转换标准将多值图像转换为二值图像; 二值图像编码装置10104,用于对二值图像进行编码并将其作为二值图像编码数据输出; 平滑函数编码装置10106,用于对平滑函数进行编码并将其输出为平滑函数编码数据。 该配置实现了多值图像的高效编码。 <图像>