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Section 2 of this paper is a brief introduction to wavelets in general and the discrete wavelet transform in particular, covering a number of implementation Reconstructing a 1D image from its wavelet coefs. • Wavelet-based image compression based image compression. • The 2D Haar wavelet transform. To interpretation. An Animated Introduction to the Discrete Wavelet Transform – p.4/98. Page 5. A first example 2. First row is the original signal. The second1. Introduction. In the present technical report the Discrete Wavelet Transform is introduced. The z- · 2. Discrete-Time Signals and Transforms. 2.1 The Discrete PDF | Discrete wavelet transform (DWT) is commonly used for wavelet threshold de-noising, wavelet decomposition, wavelet aided hydrologic series.