Kanungo T, Mount D, Netanyahu NS, Piatko CD, Silverman R, Wu AY.  2002.  An efficient k-means clustering algorithm: analysis and implementation. Pattern Analysis and Machine Intelligence, IEEE Transactions on. 24(7):881-892.

Kia OE, Doermann D.  2000.  Residual coding in document image compression. Image Processing, IEEE Transactions on. 9(6):961-969.

Yin P, M. Wu, Liu B.  2000.  Video transcoding by reducing spatial resolution. Image Processing, 2000. Proceedings. 2000 International Conference on. 1:972-975vol.1-972-975vol.1.

Kia OE, Doermann D.  1997.  OCR-based rate-distortion analysis of residual coding. Image Processing, 1997. Proceedings., International Conference on. 3:690-693vol.3-690-693vol.3.