Wavelet descriptor of planar curves: Theory and applications

GCH Chuang, CCJ Kuo - IEEE Transactions on image …, 1996 - ieeexplore.ieee.org
… another type of multiscale planar curve descriptor by using the wavelet transform. Our main
… applications of this new descriptor. We show that the wavelet descriptor has the properties of …

[PDF][PDF] Compact representation of planar curves based on a wavelet shape descriptor for multimedia applications

D Gatica-Pérez, FG Ugalde - Vision interface, 1999 - w3.gel.ulaval.ca
… 2-D planar shape descriptor based on the Discrete Wavelet … To generate the wavelet shape
descriptor (WD), a partial 1-D … of a parameterized closed curve that represents the contour of …

The generalized uniqueness wavelet descriptor for planar closed curves

KC Hung - IEEE Transactions on image processing, 2000 - ieeexplore.ieee.org
In the problem of specifying a well-defined wavelet description of a planar closed curve,
defining a unique start point on the curve is crucial for wavelet representation. In this paper, a …

Multiscale planar-curve descriptor using biorthogonal wavelet transform

CH Chuang, CCJ Kuo - Visual Information Processing II, 1993 - spiedigitallibrary.org
wavelet transform, we develop a hierarchical planar curve descriptor which decomposes a
curve … It is shown that the wavelet descriptor can be computed effectively and has many nice …

Uniqueness wavelet descriptor for plane closed curves

KC Hung, TK Truong, JH Jeng… - 1997 IEEE Pacific Rim …, 1997 - ieeexplore.ieee.org
… the discrete periodized wavelet transform (DPWT) was proposed [ 1,2]. A planar curve
converted to a 1-D signal and represented by this method is called the wavelet descriptor (WD). …

Planar shape representation based on multiwavelets

FP Nava, AF Martel - 2000 10th European Signal Processing …, 2000 - ieeexplore.ieee.org
descriptor of planar shapes based on periodized wavelet … on the Discrete Wavelet Transform.
It was shown that shapes … As test images, we used a set of synthetic planar curves (see Fig …

[PDF][PDF] Wavelet descriptor for closed curves detection in complex background

Z Hua-Qing, D Sheng-Hui - Journal of Computers, 2010 - jcomputers.us
… The inherent uniqueness property of the 1-D DPWT and the application for planar curve
representation are described in Section III. By considering the periodicity of shape, the …

Rotation invariant texture characterization using a curvelet based descriptor

F Gómez, E Romero - Pattern Recognition Letters, 2011 - Elsevier
… Curvelets are redundant bases which optimally represent 2D curves. Besides the usual
information about scale and location, already available from a wavelet, each of these frame …

Wavelet-based affine invariant representation: a tool for recognizing planar objects in 3D space

QM Tieng, WW Boles - IEEE Transactions on Pattern Analysis …, 1997 - ieeexplore.ieee.org
… (this also happens with the affine invariant Fourier descriptors [3]). It is probable that … a
given wavelet function. To overcome this problem, one can apply different wavelet functions on …

A new scheme for planar shape recognition using wavelets

JD Lee - Computers & Mathematics with Applications, 2000 - Elsevier
… approach to planar shape recognition using wavelets. There are … wavelet basis are
investigated, and wavelet decomposition strategy from the orientation function of the boundary curve