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The greatest innovation in the field of telecommunication is Wireless Sensor Networks (WSN's). In today's world WSN's become the research area due to huge number of application taking the advantage from it. Application of WSN includes controlling disaster, habitat monitoring, security surveillance and home entry system. This paper give some idea about the fundamentals, challenges and security goals...
According to road accident data, majority of the accidents occur at night. Visibility at night is major issue for safe driving. Therefore negligent drivers continue to use high beam even though oncoming vehicle is suspected. These high beams create glare for oncoming drivers and cause temporary blindness. To solve this problem, nighttime vehicle detection holds a great importance. This paper reviews...
This paper presents text-independent speaker identification scheme based on the combination of dynamic features with Mel Frequency Cepstral Coefficients (MFCC). First, MFCCs are used to extract the speaker specific features and then vector quantization is used to model the speaker. We compare the performance of speaker identification system using number of MFCC filters and centroids of vector quantization...
In this paper, we review speech enhancement techniques. Speech enhancement is necessary for many applications in which clean speech signal is important for further processing. The speech enhancement techniques mainly focus on removal of noise from speech signal. The various types of noise and techniques for removal of those noises are presented in this paper. Most widely used speech enhancement technique...
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