公开(公告)号：WO2007058296B1

公开(公告)日：2007-08-02

申请号：PCT/JP2006322953

申请日：2006-11-17

Applicant: SONY CORP ,  FUKUHARA TAKAHIRO ,  HOSAKA KAZUHISA ,  ANDO KATSUTOSHI

Inventor： FUKUHARA TAKAHIRO ,  HOSAKA KAZUHISA ,  ANDO KATSUTOSHI

IPC: H04N1/41 ,  G06T9/00 ,  H03M7/30 ,  H03M7/40 ,  H04N1/413 ,  H04N19/00 ,  H04N19/196 ,  H04N19/436 ,  H04N19/46 ,  H04N19/51 ,  H04N19/63 ,  H04N19/70 ,  H04N19/85

CPC classification number: H04N19/436 ,  H04N19/129 ,  H04N19/13 ,  H04N19/61 ,  H04N19/63 ,  H04N19/647

Abstract: Provided are an encoding device and method, a decoding device and method, and a transmission system capable of rapidly encoding an image. A maximum valid digit quantity calculation unit (63) calculates the maximum valid number of digits of a predetermined number w of quantization coefficients. A VLC encoding unit (64) outputs a code indicating the maximum valid number of digits according to the calculation result. According to the maximum valid number of digits, a valid digit extraction unit (65) extracts a valid digit of each quantization coefficient from the w quantization coefficients. According to the extracted valid digit, a VLC encoding unit (66) outputs a code indicating an absolute value of the w quantization coefficients. A sign extraction unit (67) extracts a sign indicating whether each of the quantization coefficients is positive or negative from the w quantization coefficients. A VLC encoding unit (68) outputs w codes indicating the sign.

Abstract translation: 提供了能够快速编码图像的编码设备和方法，解码设备和方法以及传输系统。 最大有效位数计算单元（63）计算预定数量w的量化系数的最大有效位数。 VLC编码单元（64）根据计算结果输出指示最大有效位数的代码。 根据最大有效位数，有效数字提取单元（65）从w个量化系数中提取每个量化系数的有效位。 根据提取的有效数字，VLC编码单元（66）输出指示w个量化系数的绝对值的代码。 符号提取单元（67）从w个量化系数提取指示每个量化系数是正还是负的符号。 VLC编码单元（68）输出指示符号的w代码。

公开(公告)号：WO2007058294B1

公开(公告)日：2007-07-19

申请号：PCT/JP2006322949

申请日：2006-11-17

Applicant: SONY CORP ,  FUKUHARA TAKAHIRO ,  HOSAKA KAZUHISA ,  ANDO KATSUTOSHI

Inventor： FUKUHARA TAKAHIRO ,  HOSAKA KAZUHISA ,  ANDO KATSUTOSHI

IPC: H04N1/41 ,  G06T9/00 ,  H03M7/30 ,  H03M7/40 ,  H04N1/413 ,  H04N19/00 ,  H04N19/196 ,  H04N19/436 ,  H04N19/46 ,  H04N19/51 ,  H04N19/63 ,  H04N19/70 ,  H04N19/85

CPC classification number: H04N19/436 ,  H04N19/129 ,  H04N19/13 ,  H04N19/61 ,  H04N19/63 ,  H04N19/647

Abstract: An encoding device and method, a decoding device and method, and a transmission system for enabling the receiving side to output image data which is compression-encoded and transmitted in a short time as a decoded image. To perform wavelet conversion, a filtering processing of each line is performed in units of lines from which one line of coefficient data in the lowest band component is created. The first to seventh lines are subjected to the first filtering processing. At a resolution level=1, coefficient C1, coefficient C2, and coefficient C3 of the high-band component, and coefficient Ca, coefficient Cb, and coefficient Cc of the low-band component are created. At a resolution level=2, coefficient C4 of the high-band component and coefficient C5 of the low-band component are created from coefficient Ca, coefficient Cb, and coefficient Cc. These coefficients are rearranged from the low band to the high band and supplied to a combining filter. The combining filter performs filtering processing of the coefficients in order of supply to create and output image data.

Abstract translation: 一种编码装置和方法，解码装置和方法以及传输系统，用于使接收方能够输出在短时间内被压缩编码和传输的图像数据作为解码图像。 为了执行小波变换，以生成最低频带分量中的一行系数数据的行为单位执行每行的滤波处理。 第一至第七行经受第一过滤处理。 在分辨率级别= 1时，创建低频带分量的系数C1，系数C2和系数C3以及系数Ca，系数Cb和系数Cc。 在分辨率等级= 2时，根据系数Ca，系数Cb和系数Cc创建高频带分量的系数C4和低频带分量的系数C5。 这些系数从低频带重新排列到高频带并提供给组合滤波器。 组合滤波器按照提供的顺序执行系数的滤波处理以创建和输出图像数据。

公开(公告)号：BR112012006071A2

公开(公告)日：2016-05-31

申请号：BR112012006071

申请日：2010-09-14

Applicant: SONY CORP

Inventor： AKINAGA HIROSHI ,  HOSAKA KAZUHISA ,  FUKUHARA TAKAHIRO

IPC: H04N1/41

Abstract: aparelho de processamento de imagem, e, método de processamento de imagem para uso com um aparelho de processamento de imagem. é divulgado um processador de imagem e um método de processamento de imagem que pode melhorar a capacidade de processamento por unidade de tempo para decodificar e codificar imagem. uma unidade de re-organização de linha de coeficientes (104) re-organiza a sequência de uma linha de coeficientes em uma sequência de codificação diferindo de uma sequência de transformada de pequena onda inversa e da sequência de transmissão usada quando efetuando transmissão e que permite a um controlador de taxa (109) estimar a dificuldade de codificação mais rapidamente. uma unidade de re-organização de linha de código (108) reorganiza a sequência da linha de código em uma sequência de transmissão que difere a partir de uma sequência transformada de pequena onda inversa e que melhora a resistência da taxa de transmissão possível para volatilidade. o processador poderia ter uma aplicação com um processador de imagem.

公开(公告)号：BRPI0607204A2

公开(公告)日：2010-02-09

申请号：BRPI0607204

申请日：2006-11-17

Applicant: SONY CORP

Inventor： FUKUHARA TAKAHIRO ,  HOSAKA KAZUHISA ,  ANDO KATSUTOSHI

IPC: H04N1/41 ,  G06T9/00 ,  H03M7/30 ,  H03M7/40 ,  H04N1/413 ,  H04N19/00 ,  H04N19/196 ,  H04N19/436 ,  H04N19/46 ,  H04N19/51 ,  H04N19/63 ,  H04N19/70 ,  H04N19/85

Abstract: The present invention relates to an encoding device and method, a decoding device and method, and a transmission system, wherein encoding and decoding can be performed at higher speeds. A maximum significant digit calculating unit 63 calculates the maximum significant digits of predetermined w quantized coefficients. A VLC encoding unit 64 outputs code indicating a maximum significant digit, based on the calculation results. A significant digit extracting unit 65 extracts the significant digits of each of w quantized coefficients based on the maximum significant digit. A VLC encoding unit 66 outputs code indicating the absolute values of the w quantized coefficients, based on the extracted significant digits. A sign extracting unit 67 extracts signs from the w quantized coefficients, indicating whether each quantized coefficient is positive or negative. A VLC encoding unit 68 outputs code indicating w signs.

公开(公告)号：BRPI1107077A2

公开(公告)日：2013-04-24

申请号：BRPI1107077

申请日：2011-12-21

Applicant: SONY CORP

Inventor： KURE YOSHINOBU ,  HOSAKA KAZUHISA

IPC: H04L29/12 ,  G06F13/38 ,  H04L12/28 ,  H04N7/173 ,  H04N21/238 ,  H04N21/6437

Abstract: A transmitting apparatus includes a rate adjusting unit, a changing unit, an output unit, and a transmitting unit. The rate adjusting unit adjusts a transmission rate of transmitting data. The changing unit changes a size of a buffer for temporarily storing the data, on the basis of the transmission rate. The output unit reads out the data stored in the buffer and outputs the data to a transmitting unit. The transmitting unit transmits the data output by the output unit.

公开(公告)号：BRPI0606733A2

公开(公告)日：2010-02-09

申请号：BRPI0606733

申请日：2006-11-17

Applicant: SONY CORP

Inventor： FUKUHARA TAKAHIRO ,  ANDO KATSUTOSHI ,  HOSAKA KAZUHISA

IPC: H04N1/41 ,  G06T9/00 ,  H03M7/30 ,  H03M7/40 ,  H04N1/413 ,  H04N19/00 ,  H04N19/196 ,  H04N19/436 ,  H04N19/46 ,  H04N19/51 ,  H04N19/63 ,  H04N19/70 ,  H04N19/85

Abstract: The present invention relates to an encoding device and method, a decoding device and method, and a transmission system, wherein encoding and decoding can be performed at higher speeds. A maximum significant digit calculating unit 63 calculates the maximum significant digits of predetermined w quantized coefficients. A VLC encoding unit 64 outputs code indicating a maximum significant digit, based on the calculation results. A significant digit extracting unit 65 extracts the significant digits of each of w quantized coefficients based on the maximum significant digit. A VLC encoding unit 66 outputs code indicating the absolute values of the w quantized coefficients, based on the extracted significant digits. A sign extracting unit 67 extracts signs from the w quantized coefficients, indicating whether each quantized coefficient is positive or negative. A VLC encoding unit 68 outputs code indicating w signs.

公开(公告)号：EP1838081A4

公开(公告)日：2011-03-30

申请号：EP06832828

申请日：2006-11-17

Applicant: SONY CORP

Inventor： FUKUHARA TAKAHIRO ,  HOSAKA KAZUHISA ,  ANDO KATSUTOSHI

IPC: H04N1/41 ,  G06T9/00 ,  H03M7/30 ,  H03M7/40 ,  H04N1/413 ,  H04N19/00 ,  H04N19/196 ,  H04N19/436 ,  H04N19/46 ,  H04N19/51 ,  H04N19/63 ,  H04N19/70 ,  H04N19/85

CPC classification number: H04N19/436 ,  H04N19/129 ,  H04N19/13 ,  H04N19/61 ,  H04N19/63 ,  H04N19/647

公开(公告)号：EP1901544A4

公开(公告)日：2011-03-30

申请号：EP06832832

申请日：2006-11-17

Applicant: SONY CORP

Inventor： FUKUHARA TAKAHIRO ,  HOSAKA KAZUHISA ,  ANDO KATSUTOSHI

IPC: H04N1/41 ,  G06T9/00 ,  H03M7/30 ,  H03M7/40 ,  H04N1/413 ,  H04N19/00 ,  H04N19/196 ,  H04N19/436 ,  H04N19/46 ,  H04N19/51 ,  H04N19/63 ,  H04N19/70 ,  H04N19/85

CPC classification number: H04N19/436 ,  H04N19/129 ,  H04N19/13 ,  H04N19/61 ,  H04N19/63 ,  H04N19/647

Abstract: The present invention relates to an encoding device and method, a decoding device and method, and a transmission system, wherein image data which is subjected to compression encoding and sent out can be output as decoded images at the receiving side in a short time. At the time of wavelet transformation, filtering processing is performed in increments of lines, with a number of lines, whereby coefficient data for one line worth of lowest band component is generated, as an increment. At the first time, processing of line No. 1 through line No. 7 is processed, highband component coefficient C1, coefficient C2, and coefficient C3, and lowband component coefficient Ca, coefficient Cb, and coefficient Cc, are generated at division level = 1, and at division level = 2, highband component coefficient C4 and lowband component coefficient C5 are further generated from coefficient Ca, coefficient Cb, and coefficient Cc. These coefficients are rearranged in the order from lowband to highband, and supplied to a synthesizing filter. The synthesizing filer performs filtering processing of the coefficients in the order in which they were supplied, generates image data, and outputs.

Abstract translation: 本发明涉及编码装置和方法，解码装置和方法以及传输系统，其中经受压缩编码和发送的图像数据可以在接收侧在短时间内作为解码图像输出。 在小波变换时，以线的增量进行滤波处理，其行数为多行，从而生成一行价值最低频带分量的系数数据作为增量。 处理1号线至7号线的处理时，分频电平= 1处产生高频分量系数C1，系数C2，系数C3，低频分量系数Ca，系数Cb，系数Cc， 1，并且在分频级别= 2，从系数Ca，系数Cb和系数Cc进一步产生高频分量系数C4和低频分量系数C5。 这些系数按从低频到高频的顺序重新排列，并提供给合成滤波器。 合成滤波器按照它们被提供的顺序对系数进行滤波处理，生成图像数据和输出。

公开(公告)号：EP2482540A4

公开(公告)日：2014-07-02

申请号：EP10818724

申请日：2010-09-14

Applicant: SONY CORP

Inventor： FUKUHARA TAKAHIRO ,  HOSAKA KAZUHISA ,  AKINAGA HIROSHI

IPC: H04N1/41 ,  H04N19/129 ,  H04N19/13 ,  H04N19/169 ,  H04N19/18 ,  H04N19/423 ,  H04N19/63 ,  H04N19/635 ,  H04N19/65 ,  H04N19/88 ,  H04N19/91

CPC classification number: H04N19/64 ,  H04N19/124 ,  H04N19/129 ,  H04N19/15 ,  H04N19/18 ,  H04N19/1883 ,  H04N19/635 ,  H04N19/65 ,  H04N19/91

Abstract: This invention relates to an image processing apparatus and an image processing method for improving the processing capacity per unit time in encoding and decoding images. A coefficient line sorting portion 104 sorts coefficient lines into an order which is different from that of wavelet inverse transform process as well as from that of transmission and in which the coefficient lines are sorted for an encoding process of which the degree of difficulty of encoding can be estimated by a rate control portion 109 at the earliest possible time. An encoded line sorting portion 108 sorts encoded lines into an order which is different from that of wavelet inverse transform process and in which the encoded lines are transmitted with improved resistance to the instability of the available transmission rate. This invention can be applied to image processing apparatus, for example.

公开(公告)号：JP2013131938A

公开(公告)日：2013-07-04

申请号：JP2011280579

申请日：2011-12-21

Applicant: Sony Corp ,  ソニー株式会社

Inventor： HOSAKA KAZUHISA

IPC: H04N1/41 ,  H03M7/40 ,  H04N19/00 ,  H04N19/436 ,  H04N19/63 ,  H04N19/91 ,  H04N19/93

CPC classification number: G06T9/007 ,  H04N19/436 ,  H04N19/645 ,  H04N19/91 ,  H04N19/93

Abstract: PROBLEM TO BE SOLVED: To encode or decode an image faster while enhancing the encoding efficiency.SOLUTION: The image processing apparatus includes an effective digit encoding unit for determining a maximum effective digit, i.e., the effective digit of coefficient data having a largest absolute value for one set of predetermined multiple number of coefficient data generated from image data every period, and encoding the information about the maximum effective digit, and a zero-run encoding unit for encoding the zero-run consisting of a set composed only of the coefficient data having a value of 0 at a period different from the encoding period of the effective digit encoding unit. The invention is applicable to an image processing apparatus.

Abstract translation: 要解决的问题：在提高编码效率的同时更快地编码或解码图像。解决方案：图像处理装置包括用于确定最大有效数字的有效数字编码单元，即具有最大绝对值的系数数据的有效数字 对于从每个周期从图像数据生成的一组预定的多个系数数据，并且编码关于最大有效数字的信息，以及用于编码由仅由系数数据组成的集合的零运行的零运行编码单元 在与有效数字编码单元的编码周期不同的周期内具有值0。 本发明可应用于图像处理装置。