Use of Contourlets for Image Retrieval. - Rajashekhar; Subhasis Chaudhuri (PReMI, 2005)

Segmentation and region of interest based image retrieval in low depth of field observations. - Rajashekhar; Subhasis Chaudhuri (Image Vis. Comput., 2007)

Retrieval of images of man-made structures based on projective invariance. - Rajashekhar; Subhasis Chaudhuri; Vinay P. Namboodiri (Pattern Recognit., 2007)