Optical Braille Character Recognition (OBR) system is in great need inorder to restore the old Braille documents to make them available for the large section of visually impaired people. The recognition of the double sided Braille dots is a challenging task due to the overlapping of the front side dots...

Lumbar motion is one of the most widely used information to diagnose low back disorder. By using the Digitalized Video Fluoroscopy (DVF) technique, a sequence of X-ray frames can be acquired, which shows the movement of patient vertebra. But the X-ray frame sequence is usually indistinct and having extra...

A novel local stereo matching method based on guided filtering and disparity calibration was presented in this paper. Firstly, the three dimensional cost volume was built by computing initial matching costs at given disparity values, and it was enhanced with guided filtering to preserve edge information...