Video Frames Reconstruction Based on Time-Frequency Analysis and Hermite Projection Method. (18th August 2010)

• Record Type: Journal Article
• Authors: Stanković Stanković, Srdjan Srdjan; Orović Orović, Irena Irena; Krylov Krylov, Andrey Andrey
• Other Names: Krishnan Krishnan Sridhar Sridhar Academic Editor.
• Is Part Of: EURASIP journal on advances in signal processing. Volume 2010(2010)
• Publication Date: 2010-08-18
• Subjects: Signal processing -- Periodicals; Traitement du signal; Signal processing; Periodicals; 621.3822
• DOI: 10.1155/2010/970105
• Languages: English
• ISSNs: 1687-6172

Abstract

Abstract : A method for temporal analysis and reconstruction of video sequences based on the time-frequency analysis and Hermite projection method is proposed. The S-method-based time-frequency distribution is used to characterize stationarity within the sequence. Namely, a sequence of DCT coefficients along the time axes is used to create a frequency-modulated signal. The reconstruction of nonstationary sequences is done using the Hermite expansion coefficients. Here, a small number of Hermite coefficients can be used, which may provide significant savings for some video-based applications. The results are illustrated with video examples.