An energy saving audio compression scheme for wireless multimedia sensor networks using spatio-temporal partial discrete wavelet transform.
Rajib BanerjeeSibashis ChatterjeeSipra Das BitPublished in: Comput. Electr. Eng. (2015)
Keyphrases
- compression scheme
- discrete wavelet transform
- energy saving
- wireless multimedia sensor networks
- spatio temporal
- wireless sensor networks
- energy consumption
- sensor nodes
- audio signal
- image compression
- routing algorithm
- environmental monitoring
- subband
- integer wavelet transform
- wavelet domain
- power consumption
- multiresolution
- energy efficiency
- high frequency
- wavelet coefficients
- sensor networks
- data compression
- compression ratio
- energy efficient
- image fusion
- routing protocol
- compression algorithm
- low frequency
- wavelet transform
- image sequences
- moving objects
- high compression ratio
- filter bank
- palmprint
- multiscale
- reconstructed image
- response time
- frequency domain
- visual quality
- visual information