Data extraction in form documents with gray-level background using morphological processing. - Rapeeporn Chamchong; Yuttapong Rangsanseri; Punya Thitimajshima (Document Recognition and Retrieval, 2000)

Reference line extraction for automated data-entry system using wavelet transform. - Sakreya Chitwong; Seksan Phonsri; Punya Thitimajshima (Document Recognition and Retrieval, 2000)

Image segmentation through a multithresholding based on gray-level co-occurrence. - Pornphan Dulyakarn; Punya Thitimajshima; Yuttapong Rangsanseri (VCIP, 2000)

Image deblocking using spatially adaptive wavelet thresholding. - Yuttapong Rangsanseri; Punya Thitimajshima; Siriporn Dachasilaruk (VCIP, 2000)