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1. (WO2018129025) COMPRESSIVE SENSING WITH JOINT SIGNAL COMPRESSION AND QUALITY CONTROL
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WHAT IS CLAIMED IS:

1. An encoder comprising:

a receiver to receive at least one of a media signal or compressive sensing measurements representative of the media signal; and

a processor to determine a compression ratio for compressive sensing of the media signal and a quantization level used to quantize the compressive sensing measurements based on a target indicator, and wherein the processor is to quantize the compressive sensing measurements based on the quantization level.

2. The encoder of claim 1 , wherein the processor is configured to determine the compression ratio and the quantization level based on at least one of: a target bit rate, a target reconstruction quality, a compression ratio, or a quantization level.

3. The encoder of claim 1 , wherein the processor is configured to determine the compression ratio and the quantization level based on a functional relationship between a quantization level and a number of compressive sensing measurements.

4. The encoder of claim 3, wherein the functional relationship specifies that a product or a quotient of a quantization level and a compression ratio is equal to a constant.

5. The encoder of claim 3, wherein the processor is further configured to:

quantize a plurality of test signals at a plurality of quantization levels to generate a plurality of quantized test signals, wherein the plurality of test signals is generated by compressive sensing based on a plurality of compression ratios; and determine the functional relationship based on measures of qualities of decompressed test signals formed based on the plurality of quantized test signals.

6. The encoder of claim 1 , wherein:

the processor is configured to apply channel decoding to the quantized signal to form a

compressed signal; and

the transceiver is configured to transmit the compressed signal.

A decoder comprising:

a transceiver to receive a compressed signal generated from a media signal using a

compression ratio for compressive sensing and a quantization level used to quantize compressive measurements of the media signal, wherein the compression ratio and the quantization level are determined based on a target indicator and to receive information indicating at least one of the compression ratio or the quantization level; and

a processor to decompress the compressed signal based on the compression ratio and the quantization level.

8. The decoder of claim 7, wherein the receiver determines at least one of the compression ratio or the quantization level based on a functional relationship between a quantization level and a number of compressive sensing measurements.

9. The decoder of claim 8, wherein the functional relationship specifies a product or a quotient of a quantization level and a compression ratio is equal to a constant.

10. The decoder of claim 7, wherein the processor is further configured to:

apply channel decoding to the compressed signal to form a quantized signal;

dequantize the quantized signal; and

perform compressive sensing reconstruction on the dequantized signal to generate a

decompressed signal.