In mathematics and numerical analysis, the Ricker wavelet is the negative normalized second derivative of a Gaussian function, i.e., up to scale and… (More)

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2017

2017

- Jie Wang, Yi-Fan Song, Tian-Lei Ma
- Comp. Int. and Neurosc.
- 2017

Kernel extreme learning machine (KELM) is a novel feedforward neural network, which is widely used in classification problems. To… (More)

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2013

2013

- Chao Zeng, Hongli Lin, Qiyun Jiang, Min Xu
- JCP
- 2013

QRS complex detection is usually the most important step for automated electrocardiogram (ECG) analysis. In this paper, we… (More)

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2012

2012

- Tingbo Hou, Hong Qin
- Graphical Models
- 2012

This paper systematically studies the well-known Mexican hat wavelet (MHW) on manifold geometry, including its derivation… (More)

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2011

2011

Image registration is an important and fundamental task in image processing used to match two different images. Given two or more… (More)

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2008

2008

- Patricio Vielva, E. Mart́ınez-González, Juan Gallegos, L. Toffolatti, J. L. Sanz
- 2008

We present an estimation of the point source (PS) catalogue that could be extracted from the forthcoming ESA Planck mission data… (More)

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2008

2008

- Patricio Vielva, Rocío Barreiro, +4 authors L. Toffolatti
- 2008

We present a maximum–entropy method (MEM) and ‘Mexican Hat’ wavelet (MHW) joint analysis to recover the different components of… (More)

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2008

2008

- Laura Cayón, J. L. Sanz, +4 authors Konrad Górski
- 2008

The spherical Mexican Hat wavelet is introduced in this paper, with the aim of testing the Gaussianity of the Cosmic Microwave… (More)

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2007

2007

- A. Nabout, Bernd Tibken
- 2007 IEEE International Conference on Control and…
- 2007

In this paper we present the results of object recognition using Mexican Hat wavelet descriptors. These descriptors are derived… (More)

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2006

2006

- Paul Andréani
- 2006

The arguments presented by González-Nuevo et al. (2006) in favour of theMexican Hat Wavelet Family (MHWF) are critically… (More)

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2005

2005

- Francisco Argüeso, J. Gonzalez-Nuevo, +4 authors Marcos López-Caniego
- 2005 13th European Signal Processing Conference
- 2005

We propose a detection technique in 2D images based on an isotropic wavelet family. This family is naturally constructed as an… (More)

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