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    • 2. 发明授权
    • MPEG VIDEO RECORDING MEDIUM AND REPRODUCTION APPARATUS
    • MPEG视频记录介质和回放设备
    • EP1457058B1
    • 2007-06-27
    • EP02792937.1
    • 2002-12-09
    • Thomson Licensing
    • KOCHALE, Axel
    • H04N9/888
    • H04N9/888H04N5/85H04N9/8042H04N9/8227
    • The invention relates to an MPEG video recording medium and a reproduction apparatus for the reconstruction of missing data sequences of a video data stream. Scratches and other defects of the recording medium cause interruptions or disturbances in the data stream read from the recording medium, which can be corrected only to a limited extent by conventional error correction methods, such as the Reed-Solomon Code, for example. Therefore, an MPEG video recording medium is provided on which, with respect to an original I frame (I1), at least one copy or a similar I frame (I1*) is recorded on the recording medium for the reconstruction of missing or erroneous data sequences of a video data stream. The replacement I frames (I1*, ...) are arranged in the outer area, intermittently or within a predetermined area in the program area on the recording medium and do not influence the reproduction of the recording medium on conventional reproduction apparatuses. In a reproduction apparatus for the reconstruction of missing or erroneous data sequences of a video data stream from an MPEG video recording medium, provision is made of error detection means for determining the sector address of a missing or erroneous I frame (I1, ...), which are used to start a search for a copy or a similar I frame (I1*, ...) on the recording medium, and provision is made of control means by which a missing or erroneous I frame (I1) in the original data stream is replaced by the copy or the similar I frame (I1*) for the reconstruction of missing or erroneous data sequences of the video data stream and is reproduced by a video decoder.
    • 8. 发明公开
    • METHOD AND APPARATUS FOR GENERATING A SUPER-RESOLVED IMAGE FROM A SINGLE IMAGE
    • 方法和设备,用于生成高分辨率图像从单
    • EP2979242A1
    • 2016-02-03
    • EP14713103.1
    • 2014-03-26
    • Thomson Licensing
    • DEAMO, AlbertoSALVADOR MARCOS, JordiKOCHALE, Axel
    • G06T3/40
    • G06T3/4053G06K9/6215G06K2009/6213G06T3/4092G06T7/13G06T7/73G06T2207/20201
    • Known methods for generating super-resolved images from single input images have various disadvantages. An improved method for generating a super-resolved image from a single low-resolution input image comprises up-scaling the input image to generate an initial version of the super-resolved image, searching, for each patch of the low-resolution input image, similar low-resolution patches in first search windows within down-sampled versions of the input image, and determining, in less down-sampled versions of the input image, high-resolution patches that correspond to the similar low-resolution patches. The determined high-resolution patches are cropped, a second search window is determined in the initial version of the super-resolved image, and a best-matching position for each cropped high-resolution patch is searched within the second search window. Finally, each cropped high-resolution patch is added to the super-resolved image at its respective best-matching position.
    • 从单一的输入图像生成超分辨图像的已知方法有许多缺点。 用于从单个低分辨率输入图像生成一个超分辨图像的改进的方法包括向上缩放输入图像的超分辨图像的初始版本,以生成,搜索,对于低分辨率输入图像的每个补丁, 在输入图像的下采样版本,和矿业确定性内第一个搜索窗口类似的低分辨率的补丁,在输入图像的少降采样版本,高分辨率的补丁也对应于类似的低分辨率补丁。 确定性开采高分辨率补丁被裁剪,第二搜索窗口是确定性的开采在超分辨图像的初始版本,以及用于每一个最佳匹配位置裁剪高分辨率补片的第二搜索窗内的搜索。 最后,每个裁剪高分辨率补丁在其respectivement最匹配的位置加入到超分辨图像。