A two-stage DPCM scheme for wireless sensor networks.
Huiyu LuoYu-Ching TongGregory J. PottiePublished in: ICASSP (3) (2005)
Keyphrases
- scheme for wireless sensor networks
- data aggregation
- wireless sensor networks
- image coding
- key management
- image compression
- stream cipher
- prediction error
- bit rate
- noisy channel
- coding method
- image codec
- lossless compression
- subband
- image coder
- decoding process
- vector quantization
- variable block size
- energy efficient
- wavelet transform
- sensor networks
- secret key
- energy consumption
- compression ratio
- motion estimation
- ad hoc networks
- coding scheme
- rate distortion
- lightweight
- data streams