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    • 73. 发明申请
    • VIRTUAL REFERENCE VIEW
    • 虚拟参考视图
    • WO2009111007A1
    • 2009-09-11
    • PCT/US2009/001347
    • 2009-03-03
    • THOMSON LICENSINGPANDIT, Purvin, BibhasYIN, PengTIAN, Dong
    • PANDIT, Purvin, BibhasYIN, PengTIAN, Dong
    • H04N7/26H04N7/32G06T15/20
    • G06T15/205H04N19/50H04N19/597H04N2213/005
    • Various implementations are described. Several implementations relate to a virtual reference view. According to one aspect, coded information is accessed for a first-view image. A reference image is accessed that depicts the first-view image from a virtual-view location different from the first-view. The reference image is based on a synthesized image for a location that is between the first-view and the second-view. Coded information is accessed for a second-view image coded based on the reference image. The second-view image is decoded. According to another aspect, a first-view image is accessed. A virtual image is synthesized based on the first-view image, for a virtual-view location different from the first-view. A second- view image is encoded using a reference image based on the virtual image. The second-view is different from the virtual-view location. The encoding produces an encoded second-view image.
    • 描述各种实施方式。 几个实现涉及虚拟参考视图。 根据一个方面,对于第一视图图像访问编码信息。 访问参考图像,其从与第一视图不同的虚拟视图位置描绘第一视图图像。 参考图像基于用于在第一视图和第二视图之间的位置的合成图像。 对于基于参考图像编码的二维图像,访问编码信息。 第二视图图像被解码。 根据另一方面,访问第一视图图像。 对于与第一视图不同的虚拟视图位置,基于第一视图图像来合成虚拟图像。 使用基于虚拟图像的参考图像对二维视图图像进行编码。 第二视图与虚拟视图位置不同。 编码产生编码的二维图像。
    • 77. 发明申请
    • METHODS AND APPARATUS FOR ARTIFACT REMOVAL FOR BIT DEPTH SCALABILITY
    • 去除位深度可扩展性的方法和装置
    • WO2009051704A1
    • 2009-04-23
    • PCT/US2008/011728
    • 2008-10-14
    • THOMSON LICENSINGYIN, PengLUO, JiancongGAO, Yong YingWU, Yu Wen
    • YIN, PengLUO, JiancongGAO, Yong YingWU, Yu Wen
    • H04N7/50
    • H04N19/36H04N19/134H04N19/159H04N19/176H04N19/184H04N19/30H04N19/46H04N19/80H04N19/82H04N19/86
    • There are provided methods and apparatus for artifact removal for bit depth scalability. The method and apparatus utilize an encoder (100) for encoding an enhancement layer for at least a portion of a picture. A deblocking filter is applied at the enhancement layer for bit depth scalability (500). A decoding method and apparatus are described for decoding an enhancement layer for at least a portion of a picture, wherein the during the decoding process, a deblocking filter is applied at the enhancement layer for bit depth scalability (600). Furthermore, an encoder and method are described for encoding image data for at least one block of a picture, wherein a deblocking filter (117) removes coding artifacts caused by local inverse tone mapping for intra-layer texture prediction for bit depth scalability. A decoding method and apparatus are described for decoding image data for at least one block of a picture, wherein a deblocking filter (230, 237, 435) removes coding artifacts caused by local inverse tone mapping for intra-layer texture prediction for bit depth scalability.
    • 提供了用于比特深度可伸缩性的伪像移除的方法和设备。 该方法和装置利用编码器(100)对至少一部分图片的增强层进行编码。 在增强层处应用去块滤波器以实现比特深度可缩放性(500)。 描述了解码方法和装置,用于解码用于图片的至少一部分的增强层,其中在解码过程期间,在增强层处应用去块滤波器以用于比特深度可缩放性(600)。 此外,描述了用于对图片的至少一个块的图像数据进行编码的编码器和方法,其中去块滤波器(117)去除由局部逆色调映射引起的编码伪影,用于针对比特深度可缩放性的层内纹理预测。 描述了一种解码方法和装置,用于对图像的至少一个块的图像数据进行解码,其中解块滤波器(230,237,435)去除由局部逆色调映射引起的编码伪像,以针对用于比特深度可伸缩性的层内纹理预测