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The vast majority of localization approaches using phase transform (PHAT) consider that the sources of interest are wideband low-pass sources. While this may be the usual case for common audio signals such as speech, PHAT methods are affected negatively by modulation artifacts when the sources to be localized are passband signals. In these cases, steered response power PHAT localization becomes less...
The main issue in Digital Terrestrial Television and in IPTV networks is the Quality of Experience received by the end users. For this reason, there are needed mechanisms to automatically measure the video quality of the images received. In this paper we analyze video quantization in order to determinate an optimal quantizer_scale factor value for its transmission. Then, it is used as an automatic...
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