Digital Filtering For The Reconstruction Of Color Images In A Line Sequential Chroma System

Tran Thong

doi:10.1117/12.936641

9 January 1984 Digital Filtering For The Reconstruction Of Color Images In A Line Sequential Chroma System

Tran Thong

Proceedings Volume 0432, Applications of Digital Image Processing VI; (1984) https://doi.org/10.1117/12.936641
Event: 27th Annual Technical Symposium, 1983, San Diego, United States

Abstract

Simulation results of the reconstruction of a line sequential chroma image are presented in this paper. It is shown that the conventional coding method yields undesirable color artifacts. By vertical digital prefiltering the color signals prior to coding, significant reduction of artifacts can be achieved. A further improvement can be achieved by a simple post-filtering during reconstruction. Additional horizontal color resolution can also be achieved at the expense of diagonal resolution by offset sampling the image. A two-dimensional filter is used to preshape the image spectrum. The generation of this 2D filter is discussed in this paper.

Citation Download Citation

Tran Thong "Digital Filtering For The Reconstruction Of Color Images In A Line Sequential Chroma System", Proc. SPIE 0432, Applications of Digital Image Processing VI, (9 January 1984); https://doi.org/10.1117/12.936641

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