公开(公告)号：US20050117789A1

公开(公告)日：2005-06-02

申请号：US10992741

申请日：2004-11-22

申请人： Wooshik Kim ,  Hyun Kim ,  Daesung Cho ,  Jinhyung Park

发明人： Wooshik Kim ,  Hyun Kim ,  Daesung Cho ,  Jinhyung Park

IPC分类号： H04N19/102 ,  H03M7/40 ,  H04N7/24 ,  H04N19/129 ,  H04N19/134 ,  H04N19/136 ,  H04N19/159 ,  H04N19/21 ,  H04N19/50 ,  H04N19/503 ,  H04N19/51 ,  H04N19/513 ,  H04N19/523 ,  H04N19/61 ,  H04N19/625 ,  H04N19/80 ,  H04N19/91 ,  G06K9/00

CPC分类号： H04N19/20

摘要： An apparatus and a method generate a coded block pattern (CBP) of an alpha channel image. An apparatus and a method encode or decode the alpha channel image using the method. The alpha channel image encoding apparatus includes a CBP generator generating a CBP of a first block corresponding to an encoding unit in the alpha channel image by allocating CBPs to a plurality of second blocks that includes the first block; and a bitstream generator generating a bitstream by encoding the CBP or the CBP and pixel values of the second blocks based on the CBP of each of second blocks.

摘要翻译： 一种装置和方法生成α通道图像的编码块图案（CBP）。 使用该方法对α通道图像进行编码或解码的装置和方法。 所述α通道图像编码装置包括CBP生成器，其通过将CBP分配给包括所述第一块的多个第二块来生成与所述α通道图像中的编码单元相对应的第一块的CBP; 以及基于每个第二块的CBP，通过对CBP或CBP和第二块的像素值进行编码来生成比特流的比特流生成器。

公开(公告)号：US08345739B2

公开(公告)日：2013-01-01

申请号：US11335608

申请日：2006-01-20

申请人： Sangjo Lee ,  Wooshik Kim ,  Daesung Cho

发明人： Sangjo Lee ,  Wooshik Kim ,  Daesung Cho

IPC分类号： H04B1/66

CPC分类号： H04N19/184 ,  H04N19/103 ,  H04N19/115 ,  H04N19/132 ,  H04N19/149 ,  H04N19/174 ,  H04N19/176

摘要： A method, medium, and apparatus controlling a bit rate in image data encoding. The method for controlling a bit rate in image data encoding includes setting a reference bit amount for encoding a block group composed of a predetermined number of blocks created by dividing image data of a frame, encoding pixel values of the blocks according to a bit depth used to quantize the pixel values of the blocks, checking whether encoding of the frame is completed, and comparing a group bit amount indicating the amount of encoded bits of the block group with the set reference bit amount to adjust the bit depth if encoding of the unit frame is not completed and accordingly repeating the setting of the reference bit amount, encoding pixel values of the blocks, and checking whether encoding of the frame is completed.

摘要翻译： 控制图像数据编码中的位速率的方法，介质和装置。 用于控制图像数据编码中的位速率的方法包括设置用于编码由通过划分帧的图像数据创建的预定数量块的块组的参考位量，根据所使用的位深度对块的像素值进行编码 量化块的像素值，检查帧的编码是否完成，并且将指示块组的编码比特量的组比特量与设置的参考比特量进行比较，以便如果编码单元，则调整比特深度 帧不完成，因此重复参考比特量的设置，编码块的像素值，并且检查帧的编码是否完成。

公开(公告)号：US07711196B2

公开(公告)日：2010-05-04

申请号：US10992741

申请日：2004-11-22

申请人： Wooshik Kim ,  Hyun Mun Kim ,  Daesung Cho ,  Jinhyung Park

发明人： Wooshik Kim ,  Hyun Mun Kim ,  Daesung Cho ,  Jinhyung Park

IPC分类号： G06K9/36

CPC分类号： H04N19/20

摘要： An apparatus and a method generate a coded block pattern (CBP) of an alpha channel image. An apparatus and a method encode or decode the alpha channel image using the method. The alpha channel image encoding apparatus includes a CBP generator generating a CBP of a first block corresponding to an encoding unit in the alpha channel image by allocating CBPs to a plurality of second blocks that includes the first block; and a bitstream generator generating a bitstream by encoding the CBP or the CBP and pixel values of the second blocks based on the CBP of each of second blocks.

摘要翻译： 一种装置和方法生成α通道图像的编码块图案（CBP）。 使用该方法对α通道图像进行编码或解码的装置和方法。 所述α通道图像编码装置包括CBP生成器，其通过将CBP分配给包括所述第一块的多个第二块来生成与所述α通道图像中的编码单元相对应的第一块的CBP; 以及基于每个第二块的CBP，通过对CBP或CBP和第二块的像素值进行编码来生成比特流的比特流生成器。

公开(公告)号：US20060164268A1

公开(公告)日：2006-07-27

申请号：US11335608

申请日：2006-01-20

申请人： Sangjo Lee ,  Wooshik Kim ,  Daesung Cho

发明人： Sangjo Lee ,  Wooshik Kim ,  Daesung Cho

IPC分类号： H03M7/00

CPC分类号： H04N19/184 ,  H04N19/103 ,  H04N19/115 ,  H04N19/132 ,  H04N19/149 ,  H04N19/174 ,  H04N19/176

摘要： A method, medium, and apparatus controlling a bit rate in image data encoding. The method for controlling a bit rate in image data encoding includes setting a reference bit amount for encoding a block group composed of a predetermined number of blocks created by dividing image data of a frame, encoding pixel values of the blocks according to a bit depth used to quantize the pixel values of the blocks, checking whether encoding of the frame is completed, and comparing a group bit amount indicating the amount of encoded bits of the block group with the set reference bit amount to adjust the bit depth if encoding of the unit frame is not completed and accordingly repeating the setting of the reference bit amount, encoding pixel values of the blocks, and checking whether encoding of the frame is completed.

公开(公告)号：US08300689B2

公开(公告)日：2012-10-30

申请号：US11072492

申请日：2005-03-07

申请人： Daesung Cho ,  Hyun Mun Kim ,  Wooshik Kim

发明人： Daesung Cho ,  Hyun Mun Kim ,  Wooshik Kim

IPC分类号： H04N7/12

CPC分类号： H04N19/86 ,  H04N19/11 ,  H04N19/132 ,  H04N19/176 ,  H04N19/20 ,  H04N19/21 ,  H04N19/51 ,  H04N19/593 ,  H04N19/70 ,  H04N19/82

摘要： An apparatus and a method for encoding and/or decoding an image containing a gray alpha channel image. The apparatus for encoding an image includes a block data reception unit receiving image data of a block currently being input to the apparatus and classifies the current block either as a foreground image portion or as a background image portion according to values of gray alpha components in the current block; a foreground image encoding unit sequentially encoding the gray alpha components and brightness and hue components of the current block if the current block is classified as the foreground image portion; and a background image encoding unit encoding the gray alpha components of the current block if the current block is classified as the background image portion. The apparatus for decoding an image includes a bitstream interpretation unit interpreting the bitstream in units of predetermined blocks and classifies a current block obtained as one of the interpretation results either as a foreground image portion or as a background image portion; a foreground image decoding unit generating a restored gray alpha channel image and a restored brightness and hue image by sequentially decoding gray alpha components and brightness and hue components of the current block if the current block is classified as the foreground image portion; and a background image decoding unit generating a restored gray alpha channel image by decoding the gray alpha components of the current block if the current block is classified as the background image portion.

摘要翻译： 一种用于编码和/或解码包含灰色阿尔法通道图像的图像的装置和方法。 用于编码图像的装置包括块数据接收单元，接收当前正在输入到装置的块的图像数据，并将当前块作为前景图像部分或作为背景图像部分根据 当前块 如果当前块被分类为前景图像部分，则前景图像编码单元顺序地编码当前块的灰度α分量和亮度和色调分量; 以及背景图像编码单元，如果当前块被分类为背景图像部分，则对当前块的灰度α分量进行编码。 用于解码图像的装置包括比特流解释单元，以预定块为单位解释比特流，并将作为解释结果之一获得的当前块分类为前景图像部分或背景图像部分; 前景图像解码单元，如果当前块被分类为前景图像部分，则通过依次解码灰度α分量和当前块的亮度和色相分量，产生恢复的灰度阿尔法通道图像和恢复的亮度和色相图像; 以及背景图像解码单元，如果当前块被分类为背景图像部分，则通过对当前块的灰色α分量进行解码来生成恢复的灰色阿尔法通道图像。

公开(公告)号：US08170357B2

公开(公告)日：2012-05-01

申请号：US12659698

申请日：2010-03-17

申请人： Wooshik Kim ,  Hyun Mun Kim ,  Daesung Cho ,  Jinhyung Park

发明人： Wooshik Kim ,  Hyun Mun Kim ,  Daesung Cho ,  Jinhyung Park

IPC分类号： G06K9/46

CPC分类号： H04N19/20

摘要： An apparatus and a method generate a coded block pattern (CBP) of an alpha channel image. An apparatus and a method encode or decode the alpha channel image using the method. The alpha channel image encoding apparatus includes a CBP generator generating a CBP of a first block corresponding to an encoding unit in the alpha channel image by allocating CBPs to a plurality of second blocks that includes the first block; and a bitstream generator generating a bitstream by encoding the CBP or the CBP and pixel values of the second blocks based on the CBP of each of second blocks.

摘要翻译： 一种装置和方法生成α通道图像的编码块图案（CBP）。 使用该方法对α通道图像进行编码或解码的装置和方法。 所述α通道图像编码装置包括CBP生成器，其通过将CBP分配给包括所述第一块的多个第二块来生成与所述α通道图像中的编码单元相对应的第一块的CBP; 以及基于每个第二块的CBP，通过对CBP或CBP和第二块的像素值进行编码来生成比特流的比特流生成器。

公开(公告)号：US20100177975A1

公开(公告)日：2010-07-15

申请号：US12659698

申请日：2010-03-17

申请人： Wooshik Kim ,  Hyun Mun Kim ,  Daesung Cho ,  Jinhyung Park

发明人： Wooshik Kim ,  Hyun Mun Kim ,  Daesung Cho ,  Jinhyung Park

IPC分类号： G06K9/36

CPC分类号： H04N19/20

摘要： An apparatus and a method generate a coded block pattern (CBP) of an alpha channel image. An apparatus and a method encode or decode the alpha channel image using the method. The alpha channel image encoding apparatus includes a CBP generator generating a CBP of a first block corresponding to an encoding unit in the alpha channel image by allocating CBPs to a plurality of second blocks that includes the first block; and a bitstream generator generating a bitstream by encoding the CBP or the CBP and pixel values of the second blocks based on the CBP of each of second blocks.

公开(公告)号：US20070041663A1

公开(公告)日：2007-02-22

申请号：US11431514

申请日：2006-05-11

申请人： Daesung Cho ,  Hyun Kim ,  Laszlo Cuzni ,  Gergely Csaszar

发明人： Daesung Cho ,  Hyun Kim ,  Laszlo Cuzni ,  Gergely Csaszar

IPC分类号： G06K9/32

CPC分类号： G06K9/6857 ,  G06T3/4084

摘要： Provided is an apparatus and method for super-resolution enhancement processing. The apparatus includes a low-resolution image capturing unit, a patch pair generating unit, a patch pair database, and a high-resolution image reconstructing unit. The low-resolution image capturing unit captures a low-resolution image. The patch pair generating unit divides each of a plurality of high-resolution images into patches and generates a plurality of patch pairs composed of medium-frequency patches and high-frequency patches for the patches. The patch pair database stores the plurality of patch pairs generated by the patch pair generating unit. The high-resolution image reconstructing unit divides the low-resolution image into patches, searches in the patch pair database for a patch pair including a medium-frequency patch that is similar to that of the low-resolution image, and generates a reconstructed high-resolution image by inserting a high-frequency patch included in the found patch pair into a corresponding patch of the low-resolution image.

摘要翻译： 提供了一种用于超分辨率增强处理的装置和方法。 该装置包括低分辨率图像捕获单元，补丁对生成单元，补丁对数据库和高分辨率图像重建单元。 低分辨率图像捕获单元捕获低分辨率图像。 补丁对生成单元将多个高分辨率图像中的每一个划分为补丁，并生成由补丁的中频补丁和高频补丁组成的多个补丁对。 补丁对数据库存储由补丁对生成单元生成的多个补丁对。 高分辨率图像重建单元将低分辨率图像划分为补丁，在补丁对数据库中搜索包括类似于低分辨率图像的中频补丁的补丁对，并且生成重建的高分辨率图像， 通过将包含在所找到的补丁对中的高频补丁插入到低分辨率图像的相应补丁中来分辨图像。

公开(公告)号：US20060028359A1

公开(公告)日：2006-02-09

申请号：US11177416

申请日：2005-07-11

申请人： Doohyun Kim ,  Daesung Cho ,  Sangio Lee

发明人： Doohyun Kim ,  Daesung Cho ,  Sangio Lee

IPC分类号： H03M7/00

CPC分类号： H03M7/4006 ,  H03M7/40 ,  H04N19/13 ,  H04N19/136 ,  H04N19/176 ,  H04N19/436 ,  H04N19/44 ,  H04N19/61

摘要： There are provided a context-based adaptive binary arithmetic decoding method and apparatus. The context-based adaptive binary arithmetic decoding apparatus includes: a context extractor extracting a plurality of contexts from a storage unit storing contexts each including a state value for probability characteristic; a first ROM table storing current probability information so that a current binary symbol of the bit stream is decoded according to a state value of each context; a second ROM table storing predicted probability information so that a next binary symbol of the bit stream is decoded according to a state value of each context; a general mode arithmetic decoder, which performs pipeline processing, loading current probability information from the first ROM table on the basis of a current state value of a context extracted from the context extractor to decode a first binary symbol, and loading predicted probability information from the second ROM table to decode a next remaining binary symbol while decoding the remaining binary symbols; and a bypass mode arithmetic decoder, including a plurality of calculators for parallel processing, simultaneously decoding a plurality of corresponding binary symbols of the bit stream, to perform arithmetic decoding on the remaining symbols if a predetermined condition is satisfied while the general mode arithmetic decoder performs arithmetic decoding on the corresponding symbols of the bit stream. Therefore, by implementing a hardware suitable for context-based adaptive binary arithmetic decoding, it is possible to enhance a decoding speed.

公开(公告)号：US08175157B2

公开(公告)日：2012-05-08

申请号：US11354174

申请日：2006-02-15

申请人： Sangjo Lee ,  Daesung Cho ,  Doohyun Kim

发明人： Sangjo Lee ,  Daesung Cho ,  Doohyun Kim

IPC分类号： H04N7/12 ,  H04N9/77 ,  G06K9/46

CPC分类号： H04N19/423 ,  H04N19/127 ,  H04N19/16 ,  H04N19/176 ,  H04N19/186 ,  H04N19/44

摘要： An apparatus and method for writing and/or reading data in an image processing system are provided. The apparatus for writing data includes: a memory formed with at least one or more banks capable of being accessed independently; and a memory control unit controlling so that a luminance component, a first chrominance component and a second chrominance component belonging to one macroblock are written based on respective structures different to each other, in the memory. The apparatus for reading data includes: a memory formed with one or more banks capable of being accessed independently in which a luminance component, a first chrominance component, and a second chrominance component belonging to one macroblock are written based on respective structures different to each other, in each bank of the memory; and a memory control unit controlling so that a luminance component, a first chrominance component, and a second chrominance component required are read from the memory.

摘要翻译： 提供了一种用于在图像处理系统中写入和/或读取数据的装置和方法。 用于写入数据的装置包括：形成有能够独立访问的至少一个或多个存储体的存储器; 以及存储器控制单元，其控制使得基于彼此不同的各自的结构来写入属于一个宏块的亮度分量，第一色度分量和第二色度分量。 用于读取数据的装置包括：形成有一个或多个能够独立访问的存储体的存储器，其中基于彼此不同的各自的结构来写入其中属于一个宏块的亮度分量，第一色度分量和第二色度分量 ，在每一行的记忆中; 以及存储器控制单元，其控制使得从存储器读取亮度分量，第一色度分量和所需的第二色度分量。