Process, apparatus and system for selecting quantization levels for encoding video signals
First Claim
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1. A computer-implemented process for encoding video signals, comprising the steps of:
- (a) receiving a current video frame;
(b) selecting a quantization level for the current video frame in accordance with a plurality of mappings, wherein each mapping correlates an activity measure with a bits per frame measure and each mapping corresponds to a quantization level of a plurality of quantization levels; and
(c) encoding the current video frame in accordance with the selected quantization level.
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Abstract
A quantization level is selected for the current video frame in accordance with a plurality of mappings, wherein each mapping correlates an activity measure with a bits per frame measure and each mapping corresponds to a quantization level of a plurality of quantization levels. The current video frame is encoded in accordance with the selected quantization level.
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Citations
22 Claims
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1. A computer-implemented process for encoding video signals, comprising the steps of:
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(a) receiving a current video frame; (b) selecting a quantization level for the current video frame in accordance with a plurality of mappings, wherein each mapping correlates an activity measure with a bits per frame measure and each mapping corresponds to a quantization level of a plurality of quantization levels; and (c) encoding the current video frame in accordance with the selected quantization level. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An apparatus for encoding video signals, comprising:
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(a) means for receiving a current video frame; (b) means for selecting a quantization level for the current video frame in accordance with a plurality of mappings, wherein each mapping correlates an activity measure with a bits per frame measure and each mapping corresponds to a quantization level of a plurality of quantization levels; and (c) means for encoding the current video frame in accordance with the selected quantization level. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A system for encoding video signals, comprising:
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(a) a video source for providing a current video frame; and (b) a conferencing system for; (1) receiving the current video frame; (2) selecting a quantization level for the current video frame in accordance with a plurality of mappings, wherein each mapping correlates an activity measure with a bits per frame measure and each mapping corresponds to a quantization level of a plurality of quantization levels; and (3) encoding the current video frame in accordance with the selected quantization level. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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Specification