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Peer reviewedVillasenor, John D. – Information Processing & Management, 1994
Describes a method for compressing tomographic images obtained using Positron Emission Tomography (PET) and Magnetic Resonance (MR) by applying transform compression using all available dimensions. This takes maximum advantage of redundancy of the data, allowing significant increases in compression efficiency and performance. (13 references) (KRN)
Descriptors: Coding, Comparative Analysis, Illustrations, Information Storage
Peer reviewedWu, Xiaolin; Fang, Yonggang – Information Processing & Management, 1994
Proposes a scheme of hierarchical piecewise linear approximation as an adaptive image pyramid. A progressive image coder comes naturally from the proposed image pyramid. The new pyramid is semantically more powerful than regular tessellation but syntactically simpler than free segmentation. This compromise between adaptability and complexity…
Descriptors: Coding, Comparative Analysis, Evaluation, Illustrations
Peer reviewedCulik, 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
