专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20090238271A1 APPARATUS AND METHOD FOR ENCODING AND DECODING USING ALTERNATIVE CONVERTER ACCODING TO THE CORRELATION OF RESIDUAL SIGNAL 审中-公开
标题翻译：使用替代转换器对残留信号的相关性进行编码和解码的装置和方法
公开(公告)号：US20090238271A1
公开(公告)日：2009-09-24
申请号：US12441940
申请日：2007-04-13
申请人： Dae-Yeon Kim , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jae-Gon Kim , Kyung-Ae Moon , Jin-Woo Hong , Jin-Woong Kim , Seoung-Jun Oh , Chang-Beom Ahn , Se-Yoon Jeong , Hae-Chul Choi , Yung-Lyul Lee , Dong-Gyu Sim , Sung-Chang Lim
发明人： Dae-Yeon Kim , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jae-Gon Kim , Kyung-Ae Moon , Jin-Woo Hong , Jin-Woong Kim , Seoung-Jun Oh , Chang-Beom Ahn , Se-Yoon Jeong , Hae-Chul Choi , Yung-Lyul Lee , Dong-Gyu Sim , Sung-Chang Lim
IPC分类号： H04N7/26 , H04N7/32
CPC分类号： H04N19/103 , H04N19/122 , H04N19/147 , H04N19/176 , H04N19/46 , H04N19/61
摘要： Provided is an apparatus and method for encoding and decoding using alternative transform units according to the correlation of residual signals. The video encoding apparatus includes a first transforming unit for performing discrete cosine transform (DCT), first quantization, first inverse quantization, and inverse DCT on a block basis onto residual coefficients generated after intra frame prediction or inter frame prediction; a second transforming unit for performing discrete sine transform (DST), second quantization, second inverse quantization, and inverse DST on a block basis onto the residual coefficients; a selecting unit for selecting one having a high compression rate between the first and second transforming units for each block through performing rate-distortion optimization; and a flag marking unit for recording information about the selected transforming unit at a flag bit provided on a macroblock basis.
摘要翻译：提供了根据残差信号的相关性使用替代变换单元进行编码和解码的装置和方法。视频编码装置包括：第一变换单元，用于以块为基础，对帧内预测或帧间预测后生成的残差系数进行离散余弦变换（DCT），第一量化，第一逆量化和逆DCT; 第二变换单元，用于以块为基础对剩余系数执行离散正弦变换（DST），第二量化，第二逆量化和反向DST; 选择单元，用于通过执行速率失真优化来为每个块选择具有高压缩率的第一和第二变换单元之间的压缩率; 以及标志标记单元，用于在以宏块为基础提供的标志位处记录关于所选择的变换单元的信息。

2. 发明授权

US08548060B2 Apparatus for encoding and decoding image using adaptive DCT coefficient scanning based on pixel similarity and method therefor 有权
标题翻译：基于像素相似性的自适应DCT系数扫描对图像进行编码和解码的装置及其方法
公开(公告)号：US08548060B2
公开(公告)日：2013-10-01
申请号：US12377617
申请日：2007-03-23
申请人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Yung-Lyul Lee , Dong-Gyu Sim , Seoung-Jun Oh , Chang-Beom Ahn , Dae-Yeon Kim , Dong-Kyun Kim
发明人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Yung-Lyul Lee , Dong-Gyu Sim , Seoung-Jun Oh , Chang-Beom Ahn , Dae-Yeon Kim , Dong-Kyun Kim
IPC分类号： H04N7/26 , H04N7/32 , H04N7/34 , H04N7/50 , H04B1/66 , H04N11/02 , H04N11/04 , H04N7/12
CPC分类号： H04N19/159 , H04N19/103 , H04N19/11 , H04N19/129 , H04N19/13 , H04N19/136 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/61 , H04N19/91
摘要： The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes: a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
摘要翻译：本发明公开了一种使用离散余弦变换（DCT）扫描的编码装置，其包括：模式选择装置，用于选择帧内预测的最佳模式; 帧内预测装置，用于根据在模式选择装置中选择的模式对输入的视频执行帧内预测; DCT和量化装置，用于对从帧内预测装置输出的块的残余系数进行DCT和量化; 以及熵编码装置，用于通过使用基于残差系数的像素相似度确定的扫描模式，对从DCT获取的DCT系数和量化执行熵编码。

3. 发明申请

US20100284459A1 APPARATUS FOR ENCODING AND DECODING IMAGE USING ADAPTIVE DCT COEFFICIENT SCANNING BASED ON PIXEL SIMILARITY AND METHOD THEREFOR 有权
标题翻译：使用基于像素相似性的自适应DCT系数扫描来编码和解码图像的装置及其方法
公开(公告)号：US20100284459A1
公开(公告)日：2010-11-11
申请号：US12377617
申请日：2007-03-23
申请人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Yung-Lyul Lee , Dong-Gyu Sim , Seoung-Jun Oh , Chang-Beom Ahn , Dae-Yeon Kim , Dong-Kyun Kim
发明人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Yung-Lyul Lee , Dong-Gyu Sim , Seoung-Jun Oh , Chang-Beom Ahn , Dae-Yeon Kim , Dong-Kyun Kim
IPC分类号： H04N7/50
CPC分类号： H04N19/159 , H04N19/103 , H04N19/11 , H04N19/129 , H04N19/13 , H04N19/136 , H04N19/176 , H04N19/18 , H04N19/182 , H04N19/61 , H04N19/91
摘要： The present invention discloses an encoding apparatus using a Discrete Cosine Transform (DCT) scanning, which includes: a mode selection means for selecting an optimal mode for intra prediction; an intra prediction means for performing intra prediction onto video inputted based on the mode selected in the mode selection means; a DCT and quantization means for performing DCT and quantization onto residual coefficients of a block outputted from the intra prediction means; and an entropy encoding means for performing entropy encoding onto DCT coefficients acquired from the DCT and quantization by using a scanning mode decided based on pixel similarity of the residual coefficients.
摘要翻译：本发明公开了一种使用离散余弦变换（DCT）扫描的编码装置，其包括：模式选择装置，用于选择帧内预测的最佳模式; 帧内预测装置，用于根据在模式选择装置中选择的模式对输入的视频执行帧内预测; DCT和量化装置，用于对从帧内预测装置输出的块的残余系数进行DCT和量化; 以及熵编码装置，用于通过使用基于残差系数的像素相似度确定的扫描模式，对从DCT获取的DCT系数和量化执行熵编码。

4. 发明授权

US08582657B2 Multi-dimensional and multi-stage transforming apparatus and method 失效
标题翻译：多维和多级变换装置及方法
公开(公告)号：US08582657B2
公开(公告)日：2013-11-12
申请号：US12307408
申请日：2007-02-22
申请人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Chang-Beom Ahn , Seoung-Jun Oh , Dong-Gyu Sim , Ho-Chong Park , Yung-Lyul Lee , Su-Yeol Jeon
发明人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Chang-Beom Ahn , Seoung-Jun Oh , Dong-Gyu Sim , Ho-Chong Park , Yung-Lyul Lee , Su-Yeol Jeon
IPC分类号： H04N7/12 , H04N11/02 , H04N11/04
CPC分类号： H04N19/61 , H04N19/51
摘要： Provided are an apparatus for multi-stage transforming a plurality of unit blocks in multi-dimension that can improve compression efficiency of video data by collecting Discrete Cosine Transforming (DCT) coefficients of neighboring blocks and performing an additional transformation based on the DCT coefficients of an original picture and a differential picture. The method includes the steps of: performing a Discrete Cosine Transform (DCT) on inputted picture data and selecting R blocks of a predetermined size from DCT picture data, where R is a natural number equal to or greater than 2; arranging DCT coefficients of each of the selected R blocks according to each frequency in one-dimension; and performing one-dimensional transformation again on the DCT coefficients arranged in one-dimension.
摘要翻译：提供了一种用于多级变换多维单元块的装置，其可以通过收集相邻块的离散余弦变换（DCT）系数并且基于相关块的DCT系数执行附加变换，从而提高视频数据的压缩效率原始图片和差异图片。该方法包括以下步骤：对输入的图像数据执行离散余弦变换（DCT），并从DCT图像数据中选择预定尺寸的R个块，其中R是等于或大于2的自然数; 根据每个频率在一维中排列所选择的R块中的每一个的DCT系数; 并对一维排列的DCT系数再次进行一维变换。

5. 发明申请

US20100046613A1 MULTI-DIMENSIONAL AND MULTI-STAGE TRANSFORMING APPARATUS AND METHOD 失效
标题翻译：多维和多级变换装置及方法
公开(公告)号：US20100046613A1
公开(公告)日：2010-02-25
申请号：US12307408
申请日：2007-02-22
申请人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Chang-Beom Ahn , Seoung-Jun Oh , Dong-Gyu Sim , Ho-Chong Park , Yung-Lyul Lee , Su-Yeol Jeon
发明人： Se-Yoon Jeong , Hae-Chul Choi , Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Jae-Gon Kim , Kyung-Ae Moon , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim , Chang-Beom Ahn , Seoung-Jun Oh , Dong-Gyu Sim , Ho-Chong Park , Yung-Lyul Lee , Su-Yeol Jeon
IPC分类号： H04N7/26
CPC分类号： H04N19/61 , H04N19/51
摘要： Provided are an apparatus for multi-stage transforming a plurality of unit blocks in multi-dimension that can improve compression efficiency of video data by collecting Discrete Cosine Transforming (DCT) coefficients of neighboring blocks and performing an additional transformation based on the DCT coefficients of an original picture and a differential picture. The method includes the steps of: performing a Discrete Cosine Transform (DCT) on inputted picture data and selecting R blocks of a predetermined size from DCT picture data, where R is a natural number equal to or greater than 2; arranging DCT coefficients of each of the selected R blocks according to each frequency in one-dimension; and performing one-dimensional transformation again on the DCT coefficients arranged in one-dimension.
摘要翻译：提供了一种用于多级变换多维单元块的装置，其可以通过收集相邻块的离散余弦变换（DCT）系数并且基于相关块的DCT系数执行附加变换，从而提高视频数据的压缩效率原始图片和差异图片。该方法包括以下步骤：对输入的图像数据执行离散余弦变换（DCT），并从DCT图像数据中选择预定尺寸的R个块，其中R是等于或大于2的自然数; 根据每个频率在一维中排列所选择的R块中的每一个的DCT系数; 并对一维排列的DCT系数再次进行一维变换。

6. 发明授权

US08296157B2 Apparatus and method for deciding adaptive noise level for bandwidth extension 失效
标题翻译：用于确定带宽扩展的自适应噪声电平的装置和方法
公开(公告)号：US08296157B2
公开(公告)日：2012-10-23
申请号：US12414768
申请日：2009-03-31
申请人： Tae-Jin Lee , Seung-Kwon Beack , Min-Je Kim , Jeong-Il Seo , Dae-Young Jang , Kyeong-Ok Kang , Jin-Woo Hong , Ho-Chong Park , Young-Cheol Park , Rin-Chul Kim , Seong-Jun Oh , Chang-Beom Ahn , Dong-Gyu Sim
发明人： Tae-Jin Lee , Seung-Kwon Beack , Min-Je Kim , Jeong-Il Seo , Dae-Young Jang , Kyeong-Ok Kang , Jin-Woo Hong , Ho-Chong Park , Young-Cheol Park , Rin-Chul Kim , Seong-Jun Oh , Chang-Beom Ahn , Dong-Gyu Sim
IPC分类号： G10L19/00 , G10L11/04
CPC分类号： H03G7/002 , G10L21/038 , G11B20/10046 , G11B20/10222 , G11B20/10527 , G11B20/24 , G11B2020/10546 , G11B2020/10564
摘要： An apparatus and method for deciding an adaptive noise level for bandwidth extension are provided. The apparatus includes a noise level decider for deciding a high-band noise level for bandwidth extension according to tonality of an input signal, a pitch frequency analyzer for detecting a pitch frequency of the input signal and analyzing correlation between the detected pitch frequency and a frequency channel, and a noise level controller for adaptively controlling the decided high-band noise level based on the analyzed correlation of the pitch frequency and the frequency channel.
摘要翻译：提供了一种用于确定带宽扩展的自适应噪声电平的装置和方法。该装置包括：噪声电平判定器，用于根据输入信号的音调判定带宽扩展的高频带噪声电平;音调频率分析器，用于检测输入信号的音调频率，并分析所检测音调频率与频率之间的相关性信道和噪声电平控制器，用于基于所分析的音调频率和频率信道的相关度自适应地控制所确定的高带噪声电平。

7. 发明授权

US08611547B2 Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder 有权
标题翻译：使用HE-AAC解码器和MPEG环绕解码器恢复多声道音频信号的装置和方法
公开(公告)号：US08611547B2
公开(公告)日：2013-12-17
申请号：US12307289
申请日：2007-07-04
申请人： Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim
发明人： Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim
IPC分类号： H04R5/00
CPC分类号： G10L19/008 , G10L19/02 , G10L19/18
摘要： Provided is a method for controlling synchronizing downmix signals and MPEG surround side information signals by controlling a delay according to the kind of downmix audio signals in an MPEG surround decoder. When multi-channel audio signals are restored using an HE-AAC decoder and a low-power MPEG surround decoder and complex QMF signals outputted from the HE-AAC decoder are used as downmix signals, a delay unit compensates for a delay caused in a real-to-complex converter. Anther delay unit delays spatial parameters to compensate for a delay caused in QMF and Nyquist banks when time-domain downmix signals are used. Also, when multi-channel audio signals are restored using an HE-AAC decoder and a high-quality MPEG surround decoder and complex QMF signals outputted from the HE-AAC decoder are used as downmix signals, a delay unit compensates for a delay caused in a real-to-complex converter.
摘要翻译：提供了一种通过根据MPEG环绕解码器中的下混音频信号的种类来控制延迟来控制同步下混信号和MPEG环绕侧信息信号的方法。当使用HE-AAC解码器和低功率MPEG环绕解码器来恢复多声道音频信号时，使用从HE-AAC解码器输出的复杂QMF信号作为下混合信号，延迟单元补偿实际产生的延迟复合转换器。花时延单元延迟空间参数以补偿在使用时域降混信号时在QMF和奈奎斯特银行中引起的延迟。此外，当使用HE-AAC解码器和高质量MPEG环绕解码器恢复多声道音频信号并且将从HE-AAC解码器输出的复杂QMF信号用作下混合信号时，延迟单元补偿由一个真实到复杂的转换器。

8. 发明授权

US08848926B2 Apparatus and method for restoring multi-channel audio signal using HE-AAC decoder and MPEG surround decoder 有权
标题翻译：使用HE-AAC解码器和MPEG环绕解码器恢复多声道音频信号的装置和方法
公开(公告)号：US08848926B2
公开(公告)日：2014-09-30
申请号：US13449883
申请日：2012-04-18
申请人： Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim
发明人： Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim
IPC分类号： H04R5/00 , G10L19/008 , G10L19/02 , G10L19/18
CPC分类号： G10L19/008 , G10L19/02 , G10L19/18
摘要： Provided is a method for controlling synchronizing downmix signals and MPEG surround side information signals by controlling a delay according to the kind of downmix audio signals in an MPEG surround decoder. When multi-channel audio signals are restored using an HE-AAC decoder and a low-power MPEG surround decoder and complex QMF signals outputted from the HE-AAC decoder are used as downmix signals, a delay unit compensates for a delay caused in a real-to-complex converter. Anther delay unit delays spatial parameters to compensate for a delay caused in QMF and Nyquist banks when time-domain downmix signals are used. Also, when multi-channel audio signals are restored using an HE-AAC decoder and a high-quality MPEG surround decoder and complex QMF signals outputted from the HE-AAC decoder are used as downmix signals, a delay unit compensates for a delay caused in a real-to-complex converter.
摘要翻译：提供了一种通过根据MPEG环绕解码器中的下混音频信号的种类来控制延迟来控制同步下混信号和MPEG环绕侧信息信号的方法。当使用HE-AAC解码器和低功率MPEG环绕解码器来恢复多声道音频信号时，使用从HE-AAC解码器输出的复杂QMF信号作为下混合信号，延迟单元补偿实际产生的延迟复合转换器。花时延单元延迟空间参数以补偿在使用时域降混信号时在QMF和奈奎斯特银行中引起的延迟。此外，当使用HE-AAC解码器和高质量MPEG环绕解码器恢复多声道音频信号并且将从HE-AAC解码器输出的复杂QMF信号用作下混合信号时，延迟单元补偿由一个真实到复杂的转换器。

9. 发明申请

US20110044457A1 APPARATUS AND METHOD FOR RESTORING MULTI-CHANNEL AUDIO SIGNAL USING HE-AAC DECODER AND MPEG SURROUND DECODER 有权
标题翻译：使用HE-AAC解码器和MPEG环绕解码器恢复多通道音频信号的装置和方法
公开(公告)号：US20110044457A1
公开(公告)日：2011-02-24
申请号：US12307289
申请日：2007-07-04
申请人： Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim
发明人： Jeong-Il Seo , Seung-Kwon Beack , In-Seon Jang , Dae-Young Jang , Jin-Woo Hong , Jin-Woong Kim
IPC分类号： H04R5/00
CPC分类号： G10L19/008 , G10L19/02 , G10L19/18
摘要： Provided is a method for controlling synchronizing downmix signals and MPEG surround side information signals by controlling a delay according to the kind of downmix audio signals in an MPEG surround decoder. When multi-channel audio signals are restored using an HE-AAC decoder and a low-power MPEG surround decoder and complex QMF signals outputted from the HE-AAC decoder are used as downmix signals, a delay unit compensates for a delay caused in a real-to-complex converter. Anther delay unit delays spatial parameters to compensate for a delay caused in QMF and Nyquist banks when time-domain downmix signals are used. Also, when multi-channel audio signals are restored using an HE-AAC decoder and a high-quality MPEG surround decoder and complex QMF signals outputted from the HE-AAC decoder are used as downmix signals, a delay unit compensates for a delay caused in a real-to-complex converter.
摘要翻译：提供了一种通过根据MPEG环绕解码器中的下混音频信号的种类来控制延迟来控制同步下混信号和MPEG环绕侧信息信号的方法。当使用HE-AAC解码器和低功率MPEG环绕解码器来恢复多声道音频信号时，使用从HE-AAC解码器输出的复杂QMF信号作为下混合信号，延迟单元补偿实际产生的延迟复合转换器。花时延单元延迟空间参数以补偿在使用时域降混信号时在QMF和奈奎斯特银行中引起的延迟。此外，当使用HE-AAC解码器和高质量MPEG环绕解码器恢复多声道音频信号并且将从HE-AAC解码器输出的复杂QMF信号用作下混合信号时，延迟单元补偿由一个真实到复杂的转换器。

10. 发明申请

US20090144063A1 METHOD AND APPARATUS FOR CONTROL OF RANDERING MULTIOBJECT OR MULTICHANNEL AUDIO SIGNAL USING SPATIAL CUE 有权
标题翻译：用于使用空间CUE控制多声道或多通道音频信号的方法和装置
公开(公告)号：US20090144063A1
公开(公告)日：2009-06-04
申请号：US12278012
申请日：2007-02-05
申请人： Seung-Kwon Beack , Jeong-Il Seo , Dae-Young Jang , Tae-Jin Lee , Yong-Ju Lee , Jin-Woo Hong , Jin-Woong Kim
发明人： Seung-Kwon Beack , Jeong-Il Seo , Dae-Young Jang , Tae-Jin Lee , Yong-Ju Lee , Jin-Woo Hong , Jin-Woong Kim
IPC分类号： G10L19/00
CPC分类号： H04S7/30 , G10L19/008 , H04S2400/11
摘要： The present research relates to controlling rendering of multi-object or multi-channel audio signals. The present research provides a method and apparatus for controlling rendering of multi-object or multi-channel audio signals based on spatial cues in a process of decoding the multi-object or multi-channel audio signals. To achieve the purpose, the method suggested in the research controls rendering in a spatial cue domain in the process of decoding the multi-object or multi-channel audio signals.
摘要翻译：本研究涉及控制多对象或多声道音频信号的渲染。本研究提供了一种在解码多对象或多声道音频信号的过程中基于空间提示来控制多对象或多声道音频信号的渲染的方法和装置。为了达到这一目的，研究中提出的方法在多对象或多声道音频信号的解码过程中控制空间提示域中的渲染。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式