Soma Mitra

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This paper shows how the most important features can be selected from the face so that the performance of any face recognition engine can be improved by matching only the maximally distinguishable features. Creating an automated face recognition system that can duplicate human performance in recognizing a face is one of the key goal of computer vision(More)
In the present paper, a software based effective ECG data compression algorithm is proposed. The whole algorithm is written in C- platform. The algorithm is tested on various ECG data of all the 12 leads taken from PTB Diagnostic ECG Database (PTB-DB). In this compression methodology, individual standard deviation of each part of the signal is calculated at(More)
Modern safety-critical systems (e.g., combined pacemaker/deliberator devices, distributed patient therapy delivery systems) incorporate more functionality than similar devices of the past. The development of these complex systems challenges existing quality assurance techniques; results in significantly longer development times; and demands greater staffing(More)
The present work proposes a unified model to explain two previously reported properties of the Mach band illusion. The first is the frequently referenced fact that Mach bands are prominently visible at ramps, but practically vanish at intensity steps. The second property, less studied, on the other hand may also be related to the first. It concerns the fact(More)
Vision based hand gesture recognition is an open research problem in Human Computer Interaction (HCI). The most common form of gestures are signs used in different sign languages having both local and global motions. Recognition of these gestures require the hand trajectory both with respect to orientation in space among inter frames and distance among(More)
The 1 st Indo-Japan Conference on Perception and Machine Intelligence (PerMIn'12) was organized by Centre for Development of Advanced Computing (C-DAC), Kolkata in collaboration with National Institute of Information and Communications Technology (NICT), Japan and with the intellectual and technical support from Indian Statistical Institute (ISI), Kolkata.(More)
People suffering from autism have difficulty with recognizing other people's emotions and are therefore unable to react to it. Although there have been attempts aimed at developing a system for analyzing facial expressions for persons suffering from autism, very little has been explored for capturing one or more expressions from mixed expressions which are(More)