By Prabin Kumar Bora, S. R. Mahadeva Prasanna, Kandarpa Kumar Sarma, Navajit Saikia
The current quantity is a compilation of analysis paintings in computation, verbal exchange, imaginative and prescient sciences, machine layout, fabrication, upcoming fabrics and comparable approach layout, and so forth. it's derived out of chosen manuscripts submitted to the 2014 nationwide Workshop on Advances in communique and Computing (WACC 2014), Assam Engineering university, Guwahati, Assam, India that is rising out to be a prime platform for dialogue and dissemination of knowhow during this a part of the area. The papers incorporated within the quantity are indicative of the hot thrust in computation, communications and rising applied sciences. sure contemporary advances in ZnO nanostructures for exchange strength new release offer rising insights into a space that has delivers for the strength zone together with conservation and eco-friendly know-how. equally, scholarly contributions have interested in malware detection and similar matters. numerous contributions have excited about biomedical points together with contributions relating to melanoma detection utilizing energetic studying, program of scientific info in MECG utilizing pattern and channel convolution matrices for greater diagnostic selection, and so on. another works have occupied with the DCT-domain linear regression of ECG indications, SVD research on decreased 3-lead ECG info, the quantification of diagnostic info on ECG sign, a compressed sensing strategy with software in MRI, studying aided photo de-noising for scientific functions, and so on. a few works have handled program of audio fingerprinting for multi-lingual Indian tune retrieval, semi-automatic method of segmentation and the marking of pitch contours for prosodic research, semiautomatic syllable labeling for Assamese language, under pressure speech reputation, handwriting acceptance in Assamese script, speaker verification contemplating the influence of consultation variability and the block matching for movement estimation, and so forth. the first target of the current quantity is to arrange a rfile for dissemination of and dialogue on rising components of analysis in computation and conversation as aimed by means of WACC 2014. we are hoping that the amount will function a reference booklet for researchers in those areas.
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Additional info for Advances in Communication and Computing
Rc is the quality rating or score for lth morphological diagnostic feature. The values of Rc are defined as 1-bad, 2-not bad, 3-good, 4-very good and 5-excellent. For a ECG signal the mean opinion score (MOS) is defined as the average of individual scores for lth morphological diagnostic feature. 2) MOS = l=1 Nf The percentage of difference between the MOS scores for original and processed ECG signal is defined as the subjective distortion measure. The error measures for 22 S. Dandapat et al. 3) The MOSlerr corresponds to the subjective error measure for lth morphological diagnostic feature.
The Standard error (StdErr) has been used as objective non-diagnostic measure for evaluating the quality ECG signals . 17) n=1 StdErr is similar to RMSE, where the denominator term is Nc instead of Nc − 1. 3 Objective Diagnostic Distortion Measures Due to the drawbacks of non-diagnostic distortion measures for evaluating the quality of ECG signal, the objective diagnostic distortion measures are used. In this subsection, the objective diagnostic measures for ECG signals reported from literature are also briefly discussed.
These changes are due to the consequence of hypokalemia. 2 ECG Quality Assessment Techniques: A Review ECG signals are subjected to different processing for storage, transmission and retrieval. The goal of distortion measures in ECG signal processing is to quantify the loss of clinical information. There are two kind of distortion measures are used to evaluate the quality of ECG signals . These are subjective distortion measure and objective distortion measure. In the following subsections the state-of-art distortion measures and their limitations are briefly discussed.