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The aim of our proposed research work is to identify language of spoken utterance using visual speech recognition and include Marathi language in language identification (LID) system. In this paper we have focused on the task of identifying first three digits in Marathi language. For this first Lips are extracted from video frames of face images and then landmark points on the lips are detected. Then...
Visual speech is transcribed using visems. Visem is a set of visibly different phonemes in a language. There is high correlation between Phoneme and visem and phoneme to visem mapping is many to one because of the fact that many phonemes cannot be distinguished visually. Since each language has its own phonetic set, visem classification becomes language dependant process. Most of the phoneme visem...
Invisible Image Watermarking is secret embedding scheme for hiding of secret image into cover image file and the purpose of invisible watermarking is copyrights protection. Image Watermarking have research challenges for increasing robustness against visual attacks and statistical attacks. Wavelet transformation based Image Watermarking techniques provide better robustness for statistical attacks...
The objective of the visual servoing (VS) is to control a dynamic system using the data extracted by a vision sensor. In Image Based Visual Servoing (IBVS) scheme control values are computed on the basis of image features directly. It is used in many applications such as automated machining, remote hazardous material handling, remote surgery and many more. In IBVS, singularities in the interaction...
Understanding the complex turbulent mixing noise sources for jet exhaust nozzles is critical to delivering the next generation of "green" low-noise jet engines. A scalable, compressible Large Eddy Simulation (LES)-based Computational Aeroacoustics (CAA) solver is used to study the impact of the wing installation geometry on the turbulent mixing noise from jet exhaust nozzles in an installed...
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