Compression of greyscale images based on sub-band decomposition using morphological filters.

• Autorzy: Pniewski J. , Szoplik T.
• Języki publikacji: EN

Abstrakty

EN

We present an algorithm for compression of greyscale images, which is a dification of the morphological sub-band decomposition algorithm proposed by Pei and Chen. In the first step, an input image is decomposed into four sub-bands using morphological opening and closing filters. In the second step, sub-bands are compressed with lossless methods matched to the dynamics of each sub-band. After transmission the sub-bands are decompressed and added together to form the output image. Results of computer simulations are presented.

Słowa kluczowe

EN

greyscale image compression; spatial filters

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2000
• Tom: Vol. 30, nr 2-3
• Strony: 335--347
• Opis fizyczny: Bibliogr. 17 poz., rys 5 poz.

Twórcy

autor

Pniewski J.

autor

Szoplik T.

• Institute of Geophysics, Warsaw University, ul. Pasteura 7, 02-093 Warszawa, Poland