RESEARCH

• Image and video coding
  • Wavelet Transform 2D (IEEE IP 1992).
  • Lattice Vector Quantization
  • t+2D Motion Compensated Temporal Lifting Transform
  • Optimal Decoding (IEEE MMA 2003).
  • Entropy-based distortion measure and bit allocation for wavelet image compression (IEEE IP 2007).
• Inverse problems
  • Half Quadratic Regularization (IEEE IP 1997).
  • 3D Reconstruction of SPECT medical images
  • Deconvolution and image denoising
• Segmentation and Moton estimationImage and video Analysis
  • Region Based Segmentation and Motion Estimation using Shape Gradient Method (IJCV 2003).
  • Segmentation uing shape Priors (IEEE CSVT 2003)
  • Parametric Active Contours Segmentation using "Smoothing Bsplines" (IEEE IP 2004)
  • Object tracking (IEEE CVPR 2007).
• Machine learning for image classification
  • Universal Nearest Neighbours
  • Boosting kNN
  • Classification of Biologic cells
  • Object classification