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1. 发明申请

WO2006080662A1 METHOD AND APPARATUS FOR EFFECTIVELY COMPRESSING MOTION VECTORS IN VIDEO CODER BASED ON MULTI-LAYER 审中-公开
标题翻译：用于有效压缩基于多层视频编码器的运动矢量的方法和装置
公开(公告)号：WO2006080662A1
公开(公告)日：2006-08-03
申请号：PCT/KR2005/003224
申请日：2005-09-29
申请人： SAMSUNG ELECTRONICS CO., LTD. , HAN, Woo-Jin , LEE, Kyo-Hyuk , LEE, Jae-Young , CHA, Sang-Chang , LEE, Bae-Keun , HA, Ho-Jin
发明人： HAN, Woo-Jin , LEE, Kyo-Hyuk , LEE, Jae-Young , CHA, Sang-Chang , LEE, Bae-Keun , HA, Ho-Jin
IPC分类号： H04N7/32
CPC分类号： H04N19/198 , H04N19/139 , H04N19/176 , H04N19/196 , H04N19/30 , H04N19/31 , H04N19/513 , H04N19/52 , H04N19/61
摘要： A method and apparatus of improving the compression efficiency of a motion vector by efficiently predicting a motion vector in an enhancement layer from a motion vector in a base layer in a video coding method using a multi-layer are provided. The method includes obtaining a motion vector in a base layer frame having a first frame rate from an input frame, obtaining a motion vector in a first enhancement layer frame having a second frame rate from the input frame, the second frame rate being greater than the first frame rate, generating a predicted motion vector by referring to a motion vector for at least one frame among base layer frames present immediately before and after the same temporal position as the first enhancement layer frame if there is no base layer frame at the same temporal position as the first enhancement layer frame, and coding a difference between the motion vector in the first enhancement layer frame and the generated predicted motion vector, and the obtained motion vector in the base layer.
摘要翻译：提供一种通过使用多层的视频编码方法从基层中的运动矢量有效地预测增强层中的运动矢量来提高运动矢量的压缩效率的方法和装置。该方法包括从输入帧获得具有第一帧速率的基本层帧中的运动矢量，从输入帧获得具有第二帧速率的第一增强层帧中的运动矢量，第二帧速率大于第一帧速率，如果在相同时刻没有基本层帧的情况下，通过参考紧邻在与第一增强层帧相同的时间位置之前和之后的基本层帧中的至少一个帧的运动矢量来生成预测的运动矢量位置作为第一增强层帧，并且编码第一增强层帧中的运动矢量与生成的预测运动矢量之间的差，以及所获得的基本层中的运动矢量。

2. 发明申请

WO2006080655A1 APPARATUS AND METHOD FOR ADJUSTING BITRATE OF CODED SCALABLE BITSTEAM BASED ON MULTI-LAYER 审中-公开
标题翻译：用于调整基于多层编码的可分级BITSTEAM的双极化的装置和方法
公开(公告)号：WO2006080655A1
公开(公告)日：2006-08-03
申请号：PCT/KR2005/003208
申请日：2005-09-28
申请人： SAMSUNG ELECTRONICS CO., LTD. , HAN, Woo-Jin , LEE, Kyo-Hyuk , CHA, Sang-Chang , HA, Ho-Jin , LEE, Bae-Keun , LEE, Jae-Young
发明人： HAN, Woo-Jin , LEE, Kyo-Hyuk , CHA, Sang-Chang , HA, Ho-Jin , LEE, Bae-Keun , LEE, Jae-Young
IPC分类号： H04N7/24
CPC分类号： H04N21/234327 , H04N19/132 , H04N19/164 , H04N19/172 , H04N21/2662
摘要： Disclosed are a method and an apparatus for realizing signal to noise ratio (SNR) scalability in a video stream server in order to transmit a video stream in a variable network environment. An apparatus for adapting a bitrate of a coded scalable bit-stream based on multi-layers to a variable network environment, comprising a bit-stream parsing unit to parse an input bit-stream, a pre-decoding condition determining unit to determine a target transmission bitrate according to the variable network environment, a pre-decoding unit to skip at least one frame among the frames included in the parsed bit-stream according to the determined target transmission bitrate, and a bit-stream transmission unit to transmit to a client device the bit-stream that has been restructured due to frame skipping.
摘要翻译：公开了一种用于在视频流服务器中实现信噪比（SNR）可扩展性的方法和装置，以便在可变网络环境中发送视频流。一种用于将基于多层的编码可缩放比特流的比特率适配到可变网络环境的装置，包括用于解析输入比特流的比特流分析单元，预解码条件确定单元，以确定目标根据所述可变网络环境的传输比特率，根据所确定的目标传输比特率，预解码单元跳过包含在解析的比特流中的帧中的至少一个帧;以及比特流发送单元，用于向客户端发送设备由于跳帧而重组的位流。

3. 发明申请

WO2006006778A1 SCALABLE VIDEO CODING METHOD AND APPARATUS USING BASE-LAYER 审中-公开
标题翻译：可扩展视频编码方法和使用基层的设备
公开(公告)号：WO2006006778A1
公开(公告)日：2006-01-19
申请号：PCT/KR2005/002110
申请日：2005-07-04
申请人： SAMSUNG ELECTRONICS CO., LTD. , HAN, Woo-Jin , HA, Ho-Jin
发明人： HAN, Woo-Jin , HA, Ho-Jin
IPC分类号： H04N7/36
CPC分类号： H04N19/615 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/147 , H04N19/172 , H04N19/176 , H04N19/187 , H04N19/19 , H04N19/31 , H04N19/547 , H04N19/577 , H04N19/587 , H04N19/59 , H04N19/61 , H04N19/63
摘要： A method of more efficiently conducting temporal filtering in a scalable video codec by use of a base-layer is provided. The method of efficiently compressing frames at higher layers by use of a base-layer in a multilayer-based video coding method includes (a) generating a base-layer frame from an input original video sequence, having the same temporal position as a first higher layer frame, (b) upsampling the base-layer frame to have the resolution of a higher layer frame, and (c) removing redundancy of the first higher layer frame on a block basis by referencing a second higher layer frame having a different temporal position from the first higher layer frame and the upsampled base-layer frame.
摘要翻译：提供了一种通过使用基础层在可伸缩视频编解码器中更有效地进行时间滤波的方法。在基于多层的视频编码方法中通过使用基层高效地压缩帧的方法包括：（a）从输入的原始视频序列生成具有与第一较高的相同的时间位置的基本层帧（b）对基层帧进行上采样以具有更高层帧的分辨率，以及（c）通过参考具有不同时间位置的第二较高层帧来消除块上的第一较高层帧的冗余从第一高层帧和上采样的基层帧。

4. 发明申请

WO2005020586A1 SCALABLE VIDEO CODING AND DECODING METHODS, AND SCALABLE VIDEO ENCODER AND DECODER 审中-公开
标题翻译：可扩展的视频编码和解码方法，以及可扩展的视频编码器和解码器
公开(公告)号：WO2005020586A1
公开(公告)日：2005-03-03
申请号：PCT/KR2004/002046
申请日：2004-08-14
申请人： SAMSUNG ELECTRONICS CO., LTD. , LEE, Bae-Keun , HA, Ho-Jin , HAN, Woo-Jin , LEE, Jae-Young
发明人： LEE, Bae-Keun , HA, Ho-Jin , HAN, Woo-Jin , LEE, Jae-Young
IPC分类号： H04N7/32
CPC分类号： H04N19/615 , H04N19/115 , H04N19/124 , H04N19/13 , H04N19/146 , H04N19/61 , H04N19/63
摘要： Scalable video coding and decoding methods, a scalable video encoder, and a scalable video decoder. The scalable video coding method includes receiving a GOP, performing temporal filtering and spatial transformation thereon, quantizing and generating a bitstream. The scalable video encoder for performing the scalable video coding method includes a weight determination block which determines a weight for scaling. The scalable video decoding method includes dequantizing the coded image information obtained from a received bitstream, performing descaling, inverse spatial transformation, and inverse temporal filtering on the scaled transform coefficients, thereby recovering video frames. The scalable video decoder for performing the scalable video decoding method includes an inverse weighting block. The standard deviation of Peak Signal to Noise Ratios (PSNRs) of frames included in a group of pictures (GOP) is reduced so that video coding performance can be increased.
摘要翻译：可扩展视频编码和解码方法，可分级视频编码器和可伸缩视频解码器。可分级视频编码方法包括接收GOP，对其进行时间滤波和空间变换，量化和生成比特流。用于执行可伸缩视频编码方法的可分级视频编码器包括确定缩放权重的权重确定块。可分级视频解码方法包括对从接收到的比特流获得的编码图像信息进行去量化，对经缩放的变换系数执行除鳞，逆空间变换和逆时间滤波，从而恢复视频帧。用于执行可分级视频解码方法的可分级视频解码器包括反向加权块。降低包括在一组图像（GOP）中的帧的峰值信号与噪声比（PSNR）的标准偏差，从而可以增加视频编码性能。

5. 发明申请

WO2006080665A1 VIDEO CODING METHOD AND APPARATUS 审中-公开
标题翻译：视频编码方法和装置
公开(公告)号：WO2006080665A1
公开(公告)日：2006-08-03
申请号：PCT/KR2005/003228
申请日：2005-09-29
申请人： SAMSUNG ELECTRONICS CO., LTD. , HAN, Woo-Jin , LEE, Kyo-Hyuk , LEE, Bae-Keun , LEE, Jae-Young , CHA, Sang-Chang , HA, Ho-Jin
发明人： HAN, Woo-Jin , LEE, Kyo-Hyuk , LEE, Bae-Keun , LEE, Jae-Young , CHA, Sang-Chang , HA, Ho-Jin
IPC分类号： H04N7/26
CPC分类号： H04N19/615 , H04N19/102 , H04N19/122 , H04N19/13 , H04N19/14 , H04N19/154 , H04N19/176 , H04N19/186 , H04N19/61 , H04N19/63 , H04N19/635
摘要： A method and apparatus are provided for improving compression efficiency or picture quality by selecting a wavelet transform technique suitable to input video/image scene characteristics in video/image compression. The video encoder includes a temporal transform module that removes temporal redundancy of an input frame and generates a residual frame, a selection module that selects an appropriate wavelet filter among a plurality of wavelet filters having different taps according to a spatial correlation of the residual frame, a wavelet transform module that generates wavelet coefficients by performing wavelet transform on the residual frame using the selected wavelet filter, and a quantization module that quantizes the wavelet coefficients.
摘要翻译：提供一种通过选择适合于在视频/图像压缩中输入视频/图像场景特性的小波变换技术来提高压缩效率或图像质量的方法和装置。视频编码器包括：时间变换模块，其消除输入帧的时间冗余并产生残余帧;选择模块，其根据残差帧的空间相关性在具有不同抽头的多个小波滤波器中选择适当的小波滤波器; 小波变换模块，其使用所选择的小波滤波器对剩余帧执行小波变换来生成小波系数;量化模块，其量化小波系数。

6. 发明申请

WO2006073241A1 DEBLOCKING CONTROL METHOD CONSIDERING INTRA BL MODE AND MULTILAYER VIDEO ENCODER/DECODER USING THE SAME 审中-公开
标题翻译：考虑内部BL模式的锁死控制方法和使用该模式的多层视频编码器/解码器
公开(公告)号：WO2006073241A1
公开(公告)日：2006-07-13
申请号：PCT/KR2005/004568
申请日：2005-12-27
申请人： SAMSUNG ELECTRONICS CO., LTD. , CHA, Sang-Chang , HA, Ho-Jin , LEE, Kyo-Hyuk , LEE, Bae-Keun , LEE, Jae-Young , HAN, Woo-Jin
发明人： CHA, Sang-Chang , HA, Ho-Jin , LEE, Kyo-Hyuk , LEE, Bae-Keun , LEE, Jae-Young , HAN, Woo-Jin
IPC分类号： H04N7/24
CPC分类号： H04N19/86 , H04N19/117 , H04N19/159 , H04N19/176 , H04N19/187 , H04N19/30 , H04N19/61 , H04N19/82
摘要： A deblocking filter used in a video encoder/decoder based on a multilayer is disclosed. The deblocking filtering method includes choosing a present block and its neighboring block on which a deblocking filtering will be performed, judging whether the present block and the neighboring block have been coded by the intra BL mode, choosing a deblocking filter strength according to the result of the judgment, and performing the deblocking filtering with respect to a boundary between the present block and the neighboring block and according to the deblocking filter strength.
摘要翻译：公开了一种用于基于多层的视频编码器/解码器中的去块滤波器。去块滤波方法包括：选择当前块及其相邻块，在其上执行去块滤波，判断当前块和相邻块是否已经通过帧内BL模式编码，根据结果，选择解块滤波器强度并且根据解块滤波器强度对当前块和相邻块之间的边界执行解块滤波。

7. 发明申请

WO2006059847A1 METHOD AND APPARATUS FOR ENCODING/DECODING MULTI-LAYER VIDEO USING DCT UPSAMPLING 审中-公开
标题翻译：使用DCT UPSAMPLING编码/解码多层视频的方法和装置
公开(公告)号：WO2006059847A1
公开(公告)日：2006-06-08
申请号：PCT/KR2005/003914
申请日：2005-11-18
申请人： SAMSUNG ELECTRONICS CO., LTD. , HAN, Woo-Jin , CHA, Sang-Chang , HA, Ho-Jin
发明人： HAN, Woo-Jin , CHA, Sang-Chang , HA, Ho-Jin
IPC分类号： H04N7/30
CPC分类号： H04N19/59 , H04N19/105 , H04N19/119 , H04N19/122 , H04N19/132 , H04N19/18 , H04N19/187 , H04N19/33
摘要： A method and apparatus for more efficiently upsampling a base layer to perform interlayer prediction during multi-layer video coding are provided. The method includes encoding and reconstructing a base layer frame, performing discrete cosine transform (DCT) upsampling on a second block of a predetermined size in the reconstructed frame corresponding to a first block in an enhancement layer frame, calculating a difference between the first block and a third block generated by the DCT upsampling, and encoding the difference.
摘要翻译：提供了一种用于在多层视频编码期间更有效地对基本层进行上采样以执行层间预测的方法和装置。该方法包括对基本层帧进行编码和重建，在对应于增强层帧中的第一块的重建帧中对预定大小的第二块执行离散余弦变换（DCT）上采样，计算第一块和由DCT上采样产生的第三块，并对该差异进行编码。

8. 发明申请

WO2006043755A1 VIDEO CODING AND DECODING METHODS USING INTERLAYER FILTERING AND VIDEO ENCODER AND DECODER USING THE SAME 审中-公开
标题翻译：使用INTERLAYER FILTERING和视频编码器和解码器的视频编码和解码方法
公开(公告)号：WO2006043755A1
公开(公告)日：2006-04-27
申请号：PCT/KR2005/003082
申请日：2005-09-16
申请人： SAMSUNG ELECTRONICS CO., LTD. , HAN, Woo-Jin , LEE, Bae-Keun , LEE, Jae-Young , CHA, Sang-Chang , HA, Ho-Jin , LEE, Kyo-Hyuk
发明人： HAN, Woo-Jin , LEE, Bae-Keun , LEE, Jae-Young , CHA, Sang-Chang , HA, Ho-Jin , LEE, Kyo-Hyuk
IPC分类号： H04N7/24
CPC分类号： H04N19/615 , H04N19/12 , H04N19/13 , H04N19/187 , H04N19/30 , H04N19/34 , H04N19/59 , H04N19/61 , H04N19/63 , H04N19/82
摘要： Video coding and decoding methods using interlayer filtering and a video encoder and decoder using the same are provided. Multi-layer video coding employing a plurality of video coding algorithms can improve video coding efficiency by using interlayer filtering. The video coding method includes encoding video frames using a first video coding scheme, performing interlayer filtering on the frames encoded by the first video coding scheme, encoding the video frames using a second video coding scheme by referring to the frames subjected to the interlayer filtering, and generating a bitstream containing the frames encoded by the first and second video coding schemes.
摘要翻译：提供了使用层间滤波的视频编码和解码方法以及使用其的视频编码器和解码器。使用多个视频编码算法的多层视频编码可以通过使用层间滤波来提高视频编码效率。视频编码方法包括使用第一视频编码方案对视频帧进行编码，对由第一视频编码方案编码的帧执行层间滤波，通过参照经过层间滤波的帧对第二视频编码方式进行编码，以及生成包含由第一和第二视频编码方案编码的帧的比特流。

9. 发明申请

WO2006043753A1 METHOD AND APPARATUS FOR PREDECODING HYBRID BITSTREAM 审中-公开
标题翻译：用于预测混合型BITSTREAM的方法和装置
公开(公告)号：WO2006043753A1
公开(公告)日：2006-04-27
申请号：PCT/KR2005/003030
申请日：2005-09-13
申请人： SAMSUNG ELECTRONICS CO., LTD. , HAN, Woo-Jin , LEE, Kyo-Hyuk , LEE, Bae-Keun , LEE, Jae-Young , CHA, Sang-Chang , HA, Ho-Jin
发明人： HAN, Woo-Jin , LEE, Kyo-Hyuk , LEE, Bae-Keun , LEE, Jae-Young , CHA, Sang-Chang , HA, Ho-Jin
IPC分类号： H04N7/24
CPC分类号： H04N19/615 , H04N19/115 , H04N19/13 , H04N19/132 , H04N19/146 , H04N19/162 , H04N19/164 , H04N19/187 , H04N19/36 , H04N19/517 , H04N19/61 , H04N19/63 , H04N19/647 , H04N19/85
摘要： A method and apparatus for efficiently predecoding a hybrid bitstream generated by a plurality of coding schemes are provided. The method includes obtaining a first bit-rate for a boundary between the lower layer bitstream and the upper layer bitstream and a second bit-rate for a boundary between motion information and texture information of the upper layer bitstream from the input hybrid bitstream, determining the target bit-rate according to variable network circumstances, and when the target bit-rate is between the first and second bit-rates, skipping the motion information of the upper layer bitstream and truncating all bits of the texture information of the upper layer bitstream from the tail, except bits corresponding to the difference between the target bit-rate and the first bit-rate.
摘要翻译：提供了一种用于有效地预编码由多个编码方案产生的混合比特流的方法和装置。该方法包括从输入的混合比特流获得用于下层比特流和上层比特流之间的边界的第一比特率和用于运动信息和上层比特流的纹理信息之间的边界的第二比特率，确定目标比特率根据可变网络情况，当目标比特率在第一和第二比特率之间时，跳过上层比特流的运动信息，并将上层比特流的纹理信息的所有比特从尾部，除了对应于目标比特率和第一比特率之间的差的比特。

10. 发明申请

WO2006028330A1 MULTI-LAYER VIDEO CODING AND DECODING METHODS AND MULTI-LAYER VIDEO ENCODER AND DECODER 审中-公开
标题翻译：多层视频编码和解码方法和多层视频编码器和解码器
公开(公告)号：WO2006028330A1
公开(公告)日：2006-03-16
申请号：PCT/KR2005/002654
申请日：2005-08-13
申请人： SAMSUNG ELECTRONICS CO., LTD. , HAN, Woo-Jin , LEE, Bae-Keun , CHA, Sang-Chang , HA, Ho-Jin , LEE, Kyo-Hyuk , LEE, Jae-Young
发明人： HAN, Woo-Jin , LEE, Bae-Keun , CHA, Sang-Chang , HA, Ho-Jin , LEE, Kyo-Hyuk , LEE, Jae-Young
IPC分类号： H04N7/24
CPC分类号： H04N19/615 , H04N19/12 , H04N19/13 , H04N19/187 , H04N19/30 , H04N19/61 , H04N19/63 , H04N19/64
摘要： Multi-layer video coding and decoding methods, multi-layer video encoder and multi-layer video decoder are provided. The multi-layer video coding method includes encoding a video frame having a predetermined resolution using a first video coding scheme, using a frame encoded by the first video coding scheme as a reference to encode the video frame with the same resolution as the predetermined resolution using a second video coding scheme, and generating a bitstream containing the frames encoded by the first and second video coding schemes.
摘要翻译：提供了多层视频编码和解码方法，多层视频编码器和多层视频解码器。多层视频编码方法包括使用第一视频编码方案编码具有预定分辨率的视频帧，使用由第一视频编码方案编码的帧作为参考，以与预定分辨率相同的分辨率对视频帧进行编码，使用第二视频编码方案，并且生成包含由第一和第二视频编码方案编码的帧的比特流。

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