VIDEO ENCODER, VIDEO ENCODING METHOD, VIDEO ENCODING PROGRAM, VIDEO REPRODUCTION DEVICE, VIDEO REPRODUCTION METHOD, AND VIDEO REPRODUCTION PROGRAM
4 Assignments
0 Petitions
Accused Products
Abstract
Provided are video encoding device that encodes high-quality video, restricting increase of the required bandwidth, while maintaining playback compatibility with playback devices conforming to MPEG-2 standard, and video playback device. Data creation device 5401 includes: 2D compatible video encoder 2602 that generates stream conforming to MPEG-2 format by compress-encoding original video of normal quality; base-view video encoder 2605 that generates stream, composed of black images, that includes the same number of pictures as stream that is obtained by compress-encoding original video; and dependent-view video encoder 5409 that generates dependent-view video stream by compress-encoding higher-quality original video, by using, as reference pictures, pictures included in stream conforming to the MPEG-2 format that have the same time information as pictures included in the base-view video stream that correspond to pictures constituting higher-quality original video.
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Citations
32 Claims
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1-16. -16. (canceled)
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17. A video encoding device, comprising:
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a first encoding unit configured to generate a video stream conforming to a first encoding format by compress-encoding a first video of a first quality converted from an original video; a second encoding unit configured to generate a base-view video stream and a dependent-view video stream both conforming to a second encoding format that allows for an inter-view reference; and an outputting unit configured to output the video streams generated by the first encoding unit and the second encoding unit, wherein the second encoding unit generates, as the base-view video stream, a video stream that is dummy data including the same number of pictures as the video stream generated by compress-encoding the first video, and generates the dependent-view video stream by compress-encoding a second video by using, as reference pictures, pictures included in the video stream conforming to the first encoding format that have the same time information as pictures included in the base-view video stream and corresponding to pictures constituting the second video, the second video being of a second quality higher than the first quality and being converted from the original video. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 30, 32)
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28. A video encoding method, comprising:
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a first encoding step of generating a video stream conforming to a first encoding format by compress-encoding a first video of a first quality converted from an original video; a second encoding step of generating a base-view video stream and a dependent-view video stream both conforming to a second encoding format that allows for an inter-view reference; and an outputting step of outputting the video streams generated in the first encoding step and the second encoding step, wherein the second encoding step generates, as the base-view video stream, a video stream that is dummy data including the same number of pictures as the video stream generated by compress-encoding the first video, and generates the dependent-view video stream by compress-encoding a second video by using, as reference pictures, pictures included in the video stream conforming to the first encoding format that have the same time information as pictures included in the base-view video stream and corresponding to pictures constituting the second video, the second video being of a second quality higher than the first quality and being converted from the original video. - View Dependent Claims (31)
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29. A video encoding program for causing a computer to function as a video encoding device, the video encoding program causing the computer to function as:
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a first encoding unit configured to generate a video stream conforming to a first encoding format by compress-encoding a first video of a first quality converted from an original video; a second encoding unit configured to generate a base-view video stream and a dependent-view video stream both conforming to a second encoding format that allows for an inter-view reference; and an outputting unit configured to output the video streams generated by the first encoding unit and the second encoding unit, wherein the second encoding unit generates, as the base-view video stream, a video stream that is dummy data including the same number of pictures as the video stream generated by compress-encoding the first video, and generates the dependent-view video stream by compress-encoding a second video by using, as reference pictures, pictures included in the video stream conforming to the first encoding format that have the same time information as pictures included in the base-view video stream and corresponding to pictures constituting the second video, the second video being of a second quality higher than the first quality and being converted from the original video.
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Specification