Mohammad Ghaderi

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In this paper we consider a coding scheme based on spectral replication and parametric stereo techniques. Parametric stereo technique is used to code stereo signals with a good correlation between their channels. This method is initiated to reduce redundancy between these channels. A mono downmix signal, made by linear combination of the two channels in the(More)
An enhanced bandwidth extension scheme is introduced in this paper for wideband speech coding using ADPCM. The coded lower band signal plus small side information (some parameters) are transmitted instead of the whole band. In the decoder both frequency parts are reconstructed from the coded signal and the received parameters. In the proposed method, the(More)
In this paper we explore the possibility of capturing color trends and understanding the rationale behind the popularity of a color. To this end, we propose using a preference disaggregation approach from the field of MultiCriteria Decision Analysis. The main objective is to identify the criteria aggregation model that underlies the global preference of a(More)
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