Our goal is to separate vocals from background music in single-source songs. We examined prior work ([1][2][3][5][6][7]) in the area and decided to experiment with 2D Adaptive Probabilistic Latent Component Analysis (PLCA) [1][5] because it is a good trade-off between implementation difficulty and resulting accuracy. The training data for the 2D Adaptive PLCA algorithm is a set of song segments...

The point spread function (PSF) of aberrated optical system apodized with Hanning and Lanczos amplitude filters has been determined. The influence of phase mask also considered for various zones of the aperture. For this study rotationally symmetric coherent optical system has been considered. INTRODUCTION Coherent illumination of the object is essential in order to get narrow bandwidth spectra...

While frame-level audio features, e.g. MFCCs, in combination with the bag-of-frames approach have widely and successfully been used, we use a block processing framework in our submission. In general block-level features have the advantage that they can capture more temporal information than BOF approaches can. We introduce two novel spectral patterns, closely related to the spectrum histogram a...

The FIR FFT core is intended for the signal filtering. With the FIR filter of large impulse response length which exceeds up to Ni = 512 samples. Each FFT iteration dates are computed by the computational unit, called FFTDPATH, another words, data path for FFT calculations. FFTDPATH calculates the radix-2 FFT butterfly in the high pipelined mode. Therefore in each clock cycle one complex number...

Classification of speech data from male volunteers (normal) and patients recovering from cancer of the larynx (abnormal) is discussed. Analysis of normals and abnormals has shown that there is a significant distinction in the fundamental frequency and harmonic envelope between these groups during constant phonation of vowel sounds. This work proposes a method of deriving the Fundamental-Harmoni...

In the past decades a lot of algorithms for estimating the fundamental frequency of speech signals have been proposed. For an overview of the most important ones see Hess (1983). The algorithms either work in the time domain or in the spectral domain. Those working in the spectral domain use a short-term analysis of the speech signal. That is, the average pitch period duration is estimated for ...

Introduction: Tumor hypoxia and its downstream effects are of considerable interest in both basic and clinical oncology research due to their negative impact on response to various cancer therapies and promotion of metastasis. Diagnosing tumor hypoxia non-invasively could provide a significant advancement in cancer treatment and will be key to implementing emerging targeted therapies that will ...

Polyphase is a common class of pulse compression waveforms in the radar systems. Oppermann code is one of the used codes with polyphone pattern. After compression, this code has little tolerant against Doppler shift in addition to its high side lobe level. This indicates that the use of Oppermann code is an unsuitable scheme to radars applications. This paper shows that the use of amplitude wei...

The general principle underlying the method described below is that of deviation electrophoresis. The mixture of ions to be spearated from each other enters an electric field in form of a thin streak carried by a buffer flow transversely to the electric field. The streak is affected by the electric field similarly to a zone in zone electrophoresis. The different ions are moved by the electric f...

Introduction: Short-echo-time (TE) proton spectroscopic imaging is capable not only to map the spatial distribution of NAA, creatine, choline, glutamate/glutamine and myo-inositol but also of metabolites having lower concentrations and/or giving more complex spectral patterns. Glucose (Glc) and lactate (Lac) are compounds which are closely related to energy production in the brain tissue. The s...