C. Nandini

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Vein pattern is the network of blood vessels beneath a person's skin. This vein pattern can be used to authenticate the identity of an individual. In this paper, a new approach is proposed to extract features from the dorsal hand vein pattern. The length of the main vein and the angle at the bifurcation points were used as the key features for this system.(More)
Endogenous pleiotrophin and hepatocyte growth factor (HGF) mediate the neurite outgrowth-promoting activity of chondroitin sulfate (CS)/dermatan sulfate (DS) hybrid chains isolated from embryonic pig brain. CS/DS hybrid chains isolated from shark skin have a different disaccharide composition, but also display these activities. In this study, pleiotrophin-(More)
The automatic recognition of human faces presents a significant challenge to the pattern recognition research community. Typically, human faces are very similar in structure with minor differences from person to person. Input represents a set of measurements called the pattern vector. Principal component analysis (PCA) approaches to face recognition are(More)
Recognition is a process of identifying a subject's identity from a set of already known identities. Gait recognition is the process of identifying a subject by the manner in which he walks. It identifies a person from the database consisting walking sequences of images. The gait of a person walking can be extracted without requiring the prior consent of(More)
In the recent times various malicious attacks can be performed over images for duplicating the images which introduces huge amount of challenges in the area of forgery detection and feature based image authentication. Researchers have focused on the development of efficient image forgery detection techniques which can be applicable to optimize image(More)
Human gait is a spatio-temporal phenomenon and typifies the motion characteristics of an individual. The gait of a person is easily recognizable when extracted from a sideview of the person. Accordingly, gait-recognition algorithms work best when presented with images where the person walks parallel to the camera (i.e. the image plane).A set of stances or(More)
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