SYSTEM AND METHOD FOR DECODING 3D STEREOSCOPIC DIGITAL VIDEO
First Claim
1. A system for displaying a stereoscopic digital video to a user, comprising:
- a receiver configured to receive one or more video streams, wherein the one or more video streams comprise a header and a first eye image;
a decoder configured to read the header and determine if the one or more video streams also comprise a delta image, wherein the delta image was derived from the difference between the first eye image and a second eye image, and wherein if the header indicates that the delta image is present, constructing a decoded second eye image from the delta image and the first eye image; and
a video output configured to output the stereoscopic digital video from the first eye image and the decoded second eye image.
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Abstract
Described herein is a MPEG-2 compatible stereoscopic 3D-video image digital decoding method and system. In order to obtain 3D-images from a digital video stream, modifications are made to the current MPEG2 decoders, by means of software and hardware changes in different parts of the decoding process. Namely, the video_sequence structures of the video data stream are modified via software to include the necessary flags at the bit level of the image type in the TDVision® technology. Modifications are also made in the decoding processes as well as in decoding the information via software and hardware, wherein a double output buffer is activated, a parallel and difference decoding selector is activated, the decompression process is executed, the corresponding output buffer is displayed; and the decoder is programmed via software to simultaneously receive and decode two independent program streams, each with an TDVision® stereoscopic identifier.
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Citations
20 Claims
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1. A system for displaying a stereoscopic digital video to a user, comprising:
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a receiver configured to receive one or more video streams, wherein the one or more video streams comprise a header and a first eye image; a decoder configured to read the header and determine if the one or more video streams also comprise a delta image, wherein the delta image was derived from the difference between the first eye image and a second eye image, and wherein if the header indicates that the delta image is present, constructing a decoded second eye image from the delta image and the first eye image; and a video output configured to output the stereoscopic digital video from the first eye image and the decoded second eye image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A system for decoding stereoscopic digital video, comprising:
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a receiver configured to receive one or more video streams, wherein the one or more video streams comprise headers and first eye images; software configured to read the headers to determine if the one or more video streams also comprise delta images, wherein the delta images were derived from a difference between the first eye images and second eye images, and wherein if the headers indicate that the delta images are present, constructing decoded second eye images from the delta images and the first eye images; and a video output configured to output a stereoscopic digital video from the first eye images and the decoded second eye images. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification