Efficient multiplier-less parametric integer approximate transform based on 16-points DCT for image compression.
Nabila BrahimiToufik BoudenTahar BrahimiLarbi BoubchirPublished in: Multim. Tools Appl. (2022)
Keyphrases
- image compression
- discrete cosine transform
- wavelet transform
- data points
- low bit rate
- floating point
- reconstructed image
- multiresolution
- compressed images
- subband
- point sets
- karhunen loeve transform
- wavelet coding
- block size
- endpoints
- compression ratio
- compression algorithm
- image processing
- vector quantization
- computationally efficient
- feature points
- computational complexity
- feature extraction