Frequency-domain signal representations are used for a wide variety of applications in
speech processing. In this Chapter, we first consider the short-time Fourier transform (STFT) …

In many still-image and video processing applications, the time-frequency localization
properties of the decomposition technique are an important consideration. While bandwidth …

JPEG XR is a draft international standard undergoing standardization within the JPEG
committee, based on a Microsoft technology known as HD Photo. One of the key innovations …

Blockiness is a typical artifact in reconstructed images that have been coded by a block-
based discrete cosine transform (BDCT). In highly compressed images and video, the …

This paper extends the theory of the one-dimensional oversampled linear-phase perfect
reconstruction filter banks (OLPPRFBs) developed by Gan et al. to multidimensional (MD) …

Dieses Lehr-und Fachbuch vermittelt anschaulich die Grundlagen der HF-Technik und gibt
konkrete Beschreibungen für den Entwurf von Leitungen und linearer Komponenten in High …

Daala is a new royalty-free video codec that attempts to compete with state-of-the-art royalty-
bearing codecs. To do so, it must achieve good compression while avoiding all of their …

Transform image processing methods are methods that work in domains of image
transforms, such as Discrete Fourier, Discrete Cosine, Wavelet, and alike. They proved to be …

In this paper we discuss smooth local trigonometric bases. We present two generalizations
of the orthogonal basis of Malvar and Coifman-Meyer: biorthogonal and equal parity bases …

Abstract We use Modified Discrete Cosine Transform (MDCT) to analyze and synthesize
spatial parameters. MDCT in itself lacks phase information and energy conservation, which …