Fränti, Pasi

name

• Fränti, Pasi

Authored works

• A fast and efficient compression method for binary images
• A two-stage modelling method for compressing binary images by arithmetic coding
• Block coding in image compression
• Block truncation coding with entropy coding
• Blockwise distortion measure for statistical and structural errors in digital images
• Blockwise distortion measure in image compression
• Compression of binary images by composite methods based on the block coding
• Compression of digital images by block truncation coding : a survey
• Fast implementation of the exact PNN algorithm
• Graph-based agglomerative clustering
• Image processing and compression
• On the design of a hierarchial BTC-VQ compression system
• Optimal clustering by branch-and-bound technique
• Randomized local search algorithm for the clustering problem
• Storage of multi-component digital maps using JBIG2 image compression standard
• Tabu search algorithm for codebook generation in vector quantization

Works contributed to

• Compression of map images by multi-level context tree modeling
• Compression of map images for real-time applications
• Content-based retrieval of line-drawing images using Hough transform
• Context-based compression of binary images in parallel
• Context-based filtering for document image compression
• Data reduction of large vector graphics
• Dynamic local search algorithm for the clustering problem
• Empirical study on subjective quality evaluation of compressed images
• Enhanced JBIG-based compression for satisfying objectives of engineering document management system
• Forward-adaptive variant of the baseline JBIG for applications requiring spatial access
• Genetic algorithms for codebook generation in vector quantization
• Implementing speaker recognition system : from Matlab to Practice
• Iterative shrinking method for the clustering problem
• Iterative split-and-merge algorithm for VQ codebook generation
• Lossless and near-lossless compression of line-drawing images using Hough transform
• Lossless compression of large binary images in digital spatial libraries
• Minimizing stochastic complexity using GLA and tabu search with applications to classification of bacteria
• Practical methods for speeding-up the PNN method
• Reallocation of GLA codevectors for evading local minimum
• Reduced-search dynamic programming for approximation of polygonal curves
• Self-adaptive genetic algorithm for clustering
• Stepwise clustering algorithm for unknown number of clusters
• Tabu search algorithm for codebook generation in vector quantization
• The mystery of cohort selection
• Tietojenkäsittelytieteen päivät 2004 : 24.-26.5.2004, Joensuun Tiedepuisto
• Vector quantization by lazy pairwise nearest neighbor method

Works about Fränti, Pasi