Advanced Computing and Systems for Security: Volume 2 by Rituparna Chaki, Agostino Cortesi, Khalid Saeed, Nabendu

By Rituparna Chaki, Agostino Cortesi, Khalid Saeed, Nabendu Chaki

The ebook comprises the prolonged model of the works which were provided and mentioned within the moment overseas Doctoral Symposium on utilized Computation and defense structures (ACSS 2015) held in the course of may well 23-25, 2015 in Kolkata, India. The symposium has been together prepared by way of the AGH collage of technology & expertise, Cracow, Poland; Ca’ Foscari college, Venice, Italy and college of Calcutta, India. The e-book is split into volumes and provides dissertation works within the parts of photograph Processing, Biometrics-based Authentication, tender Computing, information Mining, subsequent new release Networking and community safeguard, distant Healthcare, Communications, Embedded platforms, software program Engineering and repair Engineering.

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MFCC 13 coefficient proved to be effective in term of accuracy and RTF. • MFLDWT is proven a higher accuracy than other fused techniques with acceptable RTF. • WDCC with 54 coefficients gives the high accuracy but the real time factor is slightly greater than other 18 and 36 coefficients. • WDCC with 18 coefficients provided acceptable accuracy with lowest RTF. • The testing environment such as air conditioners in office, system processor sound and group talking environment varies the performance of MSAC.

The text-independent methods are able to identify writers independent of the text content and the system uses a generalized method to verify writers by finding similarities between writing patterns. Text-independent methods have got a wider applicability, but text-dependent methods have obtain higher accuracy. Text-dependent system can increase the possibility of forgery due to text dependency, but it can be very useful in case of low security applications or applications where genuine user uses the system most of the time where frequent rejection is not suitable.

Buczkowski and K. Saeed Fig. 13 Fragments of original input image processed by authors’ algorithm: a filtering part with single threshold binarization, b algorithm filtering part without second bilateral filter and with multilevel Otsu thresholding, c filtering part with multilevel Otsu thresholding, d final result of authors’ algorithm level. Noise also seems to have much more complex structure than simple random noise with given standard deviation. Other tested methods fail because they could not produce uniform and noise-free objects.

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