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Information Processing &…2
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Constantinescu, Cornel1
Culik, Karel II1
Kari, Jarkko1
Storer, James A.1
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Online Adaptive Vector Quantization with Variable Size Codebook Entries.
Peer reviewed Peer reviewed
Constantinescu, Cornel; Storer, James A. – Information Processing & Management, 1994
Presents a new image compression algorithm that employs some of the most successful approaches to adaptive lossless compression to perform adaptive online (single pass) vector quantization with variable size codebook entries. Results of tests of the algorithm's effectiveness on standard test images are given. (12 references) (KRN)
Descriptors: Algorithms, Coding, Data Processing, Evaluation
Image-Data Compression Using Edge-Optimizing Algorithm for WFA Inference.
Peer reviewed Peer reviewed
Culik, Karel II; Kari, Jarkko – Information Processing & Management, 1994
Presents an inference algorithm that produces a weighted finite automata (WFA), in particular, the grayness functions of graytone images. Image-data compression results based on the new inference algorithm produces a WFA with a relatively small number of edges. Image-data compression results alone and in combination with wavelets are discussed.…
Descriptors: Algorithms, Coding, Comparative Analysis, Data Processing