Prediction of pixels in an arbitrary region from pixels on the region boundary. - Levent Öktem; Jaakko Astola (NSIP, 1999)

Compression of image overhead by Hierarchical Enumerative Coding. - Levent Öktem; Jaakko Astola (EUSIPCO, 2000)

Hierarchical enumerative coding of DCT coefficients. - Levent Öktem; Rusen Öktem; Jaakko Astola (ICASSP, 2000)

Efficient encoding of the significance maps in wavelet based image compression. - Levent Öktem; Rusen Öktem; Karen O. Egiazarian; Jaakko Astola (ISCAS, 2000)

Adaptive filter banks for lossless image compression. - Rusen Öktem; Ömer Nezih Gerek; A. Enis Çetin; Levent Öktem; Karen O. Egiazarian (ICASSP, 2001)

Lossless image compression by LMS adaptive filter banks. - Rusen Öktem; A. Enis Çetin; Ömer Nezih Gerek; Levent Öktem; Karen O. Egiazarian (Signal Process., 2001)

Wavelet-based image compression by adaptive scanning of transform coefficients. - Rusen Öktem; Levent Öktem; Karen O. Egiazarian (J. Electronic Imaging, 2002)

A superresolution approach for bar code reading. - Rusen Öktem; Levent Öktem (EUSIPCO, 2005)