Allowing for content-based image retrieval, an image database must perform a number of time-consuming feature extraction tasks when inserting a new image, when searching with a newly entered image, or when bulk-loading many images in parallel. The duration of this preprocessing step typically lies far beyond what one would accept for conventional (short-running) database transactions. Hence, a ...

Video transmission plays a critical role in robotic telesurgery because of the high bandwidth and high quality requirement. The goal of this dissertation is to find a preprocessing method based on human visual perception for telesurgical video, so that when preprocessed image sequences are passed to the video encoder, the bandwidth can be reallocated from non-essential surrounding regions to th...

This research paper deals with the implementation of face recognition using neural network (recognition classifier) on lowresolution images. The proposed system contains two parts, preprocessing and face classification. The preprocessing part converts original images into blurry image using average filter and equalizes the histogram of those image (lighting normalization). The bi-cubic interpol...

After many years of study, the subject of image processing on the plane, or more generally in Euclidean space is well developed. However, more and more practical problems in different areas, such as computer vision, computer graphics, geometry modeling and medical imaging, inspire us to consider imaging on surfaces beyond imaging on Euclidean domains. Several approaches, such as implicit repres...