METHOD FOR TUNING CODING RATE AND APPLYING UNEQUAL ERROR PROTECTION FOR ADAPTIVE VIDEO TRANSMISSION, AND VIDEO TRANSMISSION/RECEPTION APPARATUS USING THE METHOD
First Claim
1. A method of tuning a coding rate and applying an unequal error protection for an adaptive video transmission, the method comprising:
- predicting, as a channel capacity of a subsequent channel interval, an estimated channel capacity value that is fed back from a video reception apparatus;
tuning a video coding rate and a channel coding rate within the predicted channel capacity;
performing video encoding of video frames at the tuned video coding rate to generate the video frames as a video packet;
applying the unequal error protection based on a length of the video packet and a type of the video frames included in the video packet; and
performing channel encoding of the unequal error protected video packet at the tuned channel coding rate to generate the video packet as a bitstream.
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Abstract
Provided are a method of tuning a coding rate and applying an unequal error protection for an adaptive video transmission, and a video transmission/reception apparatus using the method. The video transmission apparatus may include: a coding rate tuner to predict, as a channel capacity of a subsequent channel interval, an estimated channel capacity value fed back from the video reception apparatus, and to tune video and channel coding rates within the predicted channel capacity; a video encoder to perform video encoding of video frames at the tuned video coding rate, and to generate a video packet; and a forward error correction (FEC) encoder to apply the unequal error protection based on a length of the video packet and a type of the video frames included in the video packet, and to perform channel encoding of the video packet at the tuned channel coding rate to generate a bitstream.
27 Citations
18 Claims
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1. A method of tuning a coding rate and applying an unequal error protection for an adaptive video transmission, the method comprising:
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predicting, as a channel capacity of a subsequent channel interval, an estimated channel capacity value that is fed back from a video reception apparatus; tuning a video coding rate and a channel coding rate within the predicted channel capacity; performing video encoding of video frames at the tuned video coding rate to generate the video frames as a video packet; applying the unequal error protection based on a length of the video packet and a type of the video frames included in the video packet; and performing channel encoding of the unequal error protected video packet at the tuned channel coding rate to generate the video packet as a bitstream. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of receiving an adaptive video having a tuned coding rate and where an unequal error protection is applied, the method comprising:
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receiving an unequal error protected video stream; estimating a bit error rate using side information associated with a channel status of the unequal error protected video stream; estimating a channel capacity using the estimated bit error rate; and feeding back the estimated channel capacity to a video transmission apparatus. - View Dependent Claims (8, 9)
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10. A video transmission apparatus of tuning a coding rate and applying an unequal error protection for an adaptive video transmission, the video transmission apparatus comprising:
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a coding rate tuner to predict, as a channel capacity of a subsequent channel interval, an estimated channel capacity value that is fed back from a video reception apparatus, and to tune a video coding rate and a channel coding rate within the predicted channel capacity; a video encoder to perform video encoding of video frames at the tuned video coding rate, and to generate the video frames as a video packet; and a forward error correction (FEC) encoder to apply the unequal error protection based on a length of the video packet and a type of the video frames included in the video packet, and to perform channel encoding of the unequal error protected video packet at the tuned channel coding rate to generate the video packet as a bitstream. - View Dependent Claims (11, 12, 13, 14, 15)
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16. A video reception apparatus of receiving an adaptive video having a tuned coding rate and where an unequal error protection is applied, the video reception apparatus comprising:
a channel capacity estimator to estimate a bit error rate using side information associated with a channel status of an unequal error protected video stream when the unequal error protected video stream is received, to estimate a channel capacity using the estimated bit error rate, and to feed back the estimated channel capacity to a video transmission apparatus. - View Dependent Claims (17, 18)
Specification