Matches in SemOpenAlex for { <https://semopenalex.org/work/W1966871298> ?p ?o ?g. }
Showing items 1 to 72 of
72
with 100 items per page.
- W1966871298 abstract "This paper presents a two-dimensional code excited linear prediction (CELP) method for image coding. This method is a two-dimensional extension of the CELP systems commonly used for speech coding. The decoder is identical to a conventional DPCM decoder. However, at the encoder, the input images are first decomposed into disjoint blocks. A single codeword from a table of N codewords is used to represent the vector of quantized residuals for each block. The encoder selects the appropriate codeword by reconstructing N versions of the current block, using each of the N vectors of the codebook. The index of the codeword giving the least distortion is then transmitted. In designing the codebook, while the LBG method of clustering failed to converge, we have succeeded in finding a deterministic codebook based on a training set using the method of successive clustering. The system has been extended by using adaptive prediction, where one of K possible prediction filters is used for each block; the encoder chooses the prediction filter that results in the least mean squared prediction error. An index is transmitted to the decoder indicating which prediction filter has been used. With no additional overhead, K different codebooks can be used, corresponding to each of the prediction filters. We have tested this system using five predictors. The five predictors were initially selected to give good performance on different types of image material, e.g. edges of different orientation, and then refined by minimizing the mean square prediction error on those pixels for which the initial predictor gave the lowest mean square error." @default.
- W1966871298 created "2016-06-24" @default.
- W1966871298 creator A5056835399 @default.
- W1966871298 creator A5061989231 @default.
- W1966871298 date "1990-06-01" @default.
- W1966871298 modified "2023-09-23" @default.
- W1966871298 title "<title>Two-dimensional code excited linear prediction image coding system</title>" @default.
- W1966871298 doi "https://doi.org/10.1117/12.19510" @default.
- W1966871298 hasPublicationYear "1990" @default.
- W1966871298 type Work @default.
- W1966871298 sameAs 1966871298 @default.
- W1966871298 citedByCount "1" @default.
- W1966871298 crossrefType "proceedings-article" @default.
- W1966871298 hasAuthorship W1966871298A5056835399 @default.
- W1966871298 hasAuthorship W1966871298A5061989231 @default.
- W1966871298 hasConcept C105795698 @default.
- W1966871298 hasConcept C105964291 @default.
- W1966871298 hasConcept C111919701 @default.
- W1966871298 hasConcept C11413529 @default.
- W1966871298 hasConcept C118505674 @default.
- W1966871298 hasConcept C127759330 @default.
- W1966871298 hasConcept C131109320 @default.
- W1966871298 hasConcept C13895895 @default.
- W1966871298 hasConcept C153180895 @default.
- W1966871298 hasConcept C153207627 @default.
- W1966871298 hasConcept C154945302 @default.
- W1966871298 hasConcept C179518139 @default.
- W1966871298 hasConcept C199833920 @default.
- W1966871298 hasConcept C28490314 @default.
- W1966871298 hasConcept C33923547 @default.
- W1966871298 hasConcept C41008148 @default.
- W1966871298 hasConcept C57273362 @default.
- W1966871298 hasConcept C59883199 @default.
- W1966871298 hasConcept C73555534 @default.
- W1966871298 hasConcept C93372532 @default.
- W1966871298 hasConceptScore W1966871298C105795698 @default.
- W1966871298 hasConceptScore W1966871298C105964291 @default.
- W1966871298 hasConceptScore W1966871298C111919701 @default.
- W1966871298 hasConceptScore W1966871298C11413529 @default.
- W1966871298 hasConceptScore W1966871298C118505674 @default.
- W1966871298 hasConceptScore W1966871298C127759330 @default.
- W1966871298 hasConceptScore W1966871298C131109320 @default.
- W1966871298 hasConceptScore W1966871298C13895895 @default.
- W1966871298 hasConceptScore W1966871298C153180895 @default.
- W1966871298 hasConceptScore W1966871298C153207627 @default.
- W1966871298 hasConceptScore W1966871298C154945302 @default.
- W1966871298 hasConceptScore W1966871298C179518139 @default.
- W1966871298 hasConceptScore W1966871298C199833920 @default.
- W1966871298 hasConceptScore W1966871298C28490314 @default.
- W1966871298 hasConceptScore W1966871298C33923547 @default.
- W1966871298 hasConceptScore W1966871298C41008148 @default.
- W1966871298 hasConceptScore W1966871298C57273362 @default.
- W1966871298 hasConceptScore W1966871298C59883199 @default.
- W1966871298 hasConceptScore W1966871298C73555534 @default.
- W1966871298 hasConceptScore W1966871298C93372532 @default.
- W1966871298 hasLocation W19668712981 @default.
- W1966871298 hasOpenAccess W1966871298 @default.
- W1966871298 hasPrimaryLocation W19668712981 @default.
- W1966871298 hasRelatedWork W1586537451 @default.
- W1966871298 hasRelatedWork W1966871298 @default.
- W1966871298 hasRelatedWork W1967788989 @default.
- W1966871298 hasRelatedWork W1989455688 @default.
- W1966871298 hasRelatedWork W2023631764 @default.
- W1966871298 hasRelatedWork W2123667959 @default.
- W1966871298 hasRelatedWork W2131260463 @default.
- W1966871298 hasRelatedWork W2160220319 @default.
- W1966871298 hasRelatedWork W2375326440 @default.
- W1966871298 hasRelatedWork W2534663775 @default.
- W1966871298 isParatext "false" @default.
- W1966871298 isRetracted "false" @default.
- W1966871298 magId "1966871298" @default.
- W1966871298 workType "article" @default.