“Pratik posses a unique ability; he is extremely detail oriented and yet does not loose sight of the bigger picture. As a team leader he is highly systematic and a solution provider. He works around complexities and finds intelligent and innovative solutions, he is very passionate and went out of his way to help in any way he could, further he was not rigid and was always willing to accept, listen and reason a new perspective and has much more to offer than what you think he can in first interaction. I wish him all the best in his endeavors.”
About
Specialties: Product, Growth, Marketing and Business.
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PwC's Global Insights 2014: Drivers of growth for Cash and Carry retailers in emerging markets
PwC
PwC’s Global Insights 2014: Drivers of growth for Cash and Carry retailers in emerging markets reviews the evolution of the Cash & Carry (C&C) retail model in emerging markets and provides key insights/platforms that can be leveraged for C&C evolution and growth.
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On the Soft Fusion of Probability Mass Functions for Multimodal Speech Processing
EURASIP Journal on Advances in Signal Processing, Hindawi Publishing Corporation
Multimodal speech processing has been a subject of investigation to increase robustness of unimodal speech processing systems. Hard fusion of acoustic and visual speech is generally used for improving the accuracy of such systems. In this paper, we discuss the significance of two soft belief functions developed for multimodal speech processing. These soft belief functions are formulated on the basis of a confusion matrix of probability mass functions obtained jointly from both acoustic and…
Multimodal speech processing has been a subject of investigation to increase robustness of unimodal speech processing systems. Hard fusion of acoustic and visual speech is generally used for improving the accuracy of such systems. In this paper, we discuss the significance of two soft belief functions developed for multimodal speech processing. These soft belief functions are formulated on the basis of a confusion matrix of probability mass functions obtained jointly from both acoustic and visual speech features. The first soft belief function (BHT-SB) is formulated for binary hypothesis testing like problems in speech processing. This approach is extended to multiple hypothesis testing (MHT) like problems to formulate the second belief function (MHT-SB). The two soft belief functions, namely, BHT-SB and MHT-SB are applied to the speaker diarization and audio-visual speech recognition tasks, respectively. Experiments on speaker diarization are conducted on meeting speech data collected in a lab environment and also on the AMI meeting database. Audiovisual speech recognition experiments are conducted on the GRID audiovisual corpus. Experimental results are obtained for both multimodal speech processing tasks using the BHT-SB and theMHT-SB functions. The results indicate reasonable improvements when compared to unimodal (acoustic speech or visual speech alone) speech processing.
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