Title :
Image Enhancement in the Compressed Domain
Author :
Amore, Marco ; Mitra, Sanjit K. ; Carli, Marco ; McElvain, Jon S.
Author_Institution :
Univ. degli Studi Roma TRE, Rome
Abstract :
In this paper a new image enhancement method in the transform domain is proposed. The technique is based on sharpening the magnitude of the DCT coefficients and has been integrated into the JPEG compression process to improve the visual quality of the image before it is decompressed.
Keywords :
discrete cosine transforms; image coding; image enhancement; DCT coefficient; JPEG compression process; image enhancement; transform domain; Discrete cosine transforms; Discrete transforms; Frequency; H infinity control; Humans; Image coding; Image enhancement; Quantization; Statistics; Transform coding;
Conference_Titel :
Signals, Circuits and Systems, 2007. ISSCS 2007. International Symposium on
Conference_Location :
Iasi
Print_ISBN :
1-4244-0969-1
Electronic_ISBN :
1-4244-0969-1
DOI :
10.1109/ISSCS.2007.4292755
