Title :
Look up table (LUT) inverse halftoning
Author :
Meseand, M. ; Vaidyanathan, P.P.
Author_Institution :
Dept. of Electr. Eng., California Inst. of Technol., Pasadena, CA, USA
Abstract :
In this paper we propose a novel method for inverse halftoning of images. The method is basically a Look Up Table (LUT) based method. The LUT for inverse halftoning is obtained from the histogram gathered from a few sample halftone images and corresponding original images. The method is extremely fast (no filtering is required) and also the image quality achieved is comparable to the best methods known for inverse halftoning. The method does not depend on the specific properties of halftoning method, and can be applied to any halftoning method
Keywords :
image reconstruction; table lookup; continuous tone image reconstruction; histogram; image quality; look up table inverse halftoning; training mode; Histograms; Image coding; Image edge detection; Image quality; Image reconstruction; Information filtering; Information filters; Iterative methods; Low pass filters; Table lookup;
Conference_Titel :
Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on
Conference_Location :
Geneva
Print_ISBN :
0-7803-5482-6
DOI :
10.1109/ISCAS.2000.858802
