As the low-cost video transmission becomes popular, video based bimodal (audio and visual) authentication has great potential in various applications that require access control. It is especially useful for handheld terminals, which are often used under adverse environments, where the signal quality is rather poor. When human voice is used for authentication, one of the most relevant visual fea...

OBJECTIVE To compare the sensitivity and specificity of luciferase immunoprecipitation (LIPS) with radioimmunoprecipitation (RIP) for the measurement of autoantibodies to the type 1 diabetes autoantigens glutamic acid decarboxylase 65 (GAD65) and insulinoma-associated protein (IA)-2beta. RESEARCH DESIGN AND METHODS Sera from 49 type 1 diabetic patients and 100 nondiabetic control subjects fro...

BACKGROUND Minipunch grafting has been successfully used for the treatment of stable vitiligo since several years. Post-operative immobilization at certain sites such as lips, areola & infralabial folds and joints is not easy to achieve. Putting stay sutures on the lips and areolae is difficult. Grafting over the joints may require hospitalization to ensure proper immobilization, and may discou...

Traditional algorithms simplify the lattice recursion for evaluation of the PARCOR’s by localizing the loss in vocal tract at one of its ends, the lips or the glottis. In this paper we present a framework for mapping to pseudo areas the VT transfer function with no rigid constraints on the losses in system, thereby allowing losses to be present at both the lips and glottis. This method allows u...

In this paper we describe our implementation of algorithms for face detection and recognition in color images under Matlab. For face detection, we trained a feedforward neural network to perform skin segmentation, followed by the eyes detection, face alignment, lips detection and face delimitation. The eyes were detected by analyzing the chrominance and the angle between neighboring pixels and,...

A method for lip tracking intended to support personal verification is presented in this paper. Lip contours are represented by means of quadratic Bsplines. The lips are automatically localised in the original image and an elliptic B-spline is generated to start up tracking. Lip localisation exploits grey-level gradient projections as well as chromaticity models to find the lips in an automatic...

3D models of the lips have been developed in the framework of an audiovisual articulatory speech synthetizer. Unlike most of the regions of the human face, the lips are essentially characterized by their border contours. The internal and external contours of the vermilion zone can be fitted by means of algebraic equations. The coefficients of these equations must be controlled so that the lip s...

This contribution is about the method for automatic lips reading from the video picture. The results of this automatic method are used for the next audio-visual speech processing and recognition. The simple image processing method for finding of the human face in the video picture is presented here. The lips are found from the marked human face in the region of interest, where the lips are, wit...