Journal ArticleDOI
Studies of split spectrum processing, optimal detection, and maximum likelihood amplitude estimation using a simple clutter model
Reads0
Chats0
TLDR
The clutter model is shown to refine some recently published models and is used to support the conjecture that clutter caused by relatively large grains often can be well approximated by a Gaussian stochastic process.About:
This article is published in Ultrasonics.The article was published on 1997-02-01. It has received 62 citations till now. The article focuses on the topics: Constant false alarm rate & Clutter.read more
Citations
More filters
Journal ArticleDOI
Wavelet based noise suppression technique and its application to ultrasonic flaw detection.
Shou-peng Song,Pei-wen Que +1 more
TL;DR: The results show that the technique is more suitable for processing heavy noised ultrasonic signals, and it can also be used in automatic flaw detection.
Journal ArticleDOI
Influence of thresholding procedures in ultrasonic grain noise reduction using wavelets
TL;DR: Different thresholding procedures and threshold selection rules are analysed in this paper using the discrete wavelet transform and decomposition level dependent thresholds to evaluate the denoising performance of a wavelet signal processor.
Journal ArticleDOI
Signal-to-noise ratio enhancement based on wavelet filtering in ultrasonic testing.
TL;DR: A comparative study of methods based on the wavelet transform for improving the signal-to-noise ratio in ultrasonic non-destructive testing of materials with a coarse-grained structure.
Journal ArticleDOI
New matching pursuit-based algorithm for SNR improvement in ultrasonic NDT
Nicolás Ruiz-Reyes,Pedro Vera-Candeas,J. Curpian-Alonso,R. Mata-Campos,J. C. Cuevas-Martinez +4 more
TL;DR: In this article, a fast and efficient matching pursuit-based algorithm is proposed for SNR improvement in ultrasonic NDT of highly scattering materials using time-shifted Morlet functions as dictionary elements.
Journal ArticleDOI
New analysis and extensions of split-spectrum processing algorithms
TL;DR: Frequency Multiplication (FM) recombination method is revealed as the best option when combined with the new extensions based on the use of variable bandwidth filters equally spaced in frequency and energy gain equalized.
References
More filters
Book
Introduction to Statistical Pattern Recognition
TL;DR: This completely revised second edition presents an introduction to statistical pattern recognition, which is appropriate as a text for introductory courses in pattern recognition and as a reference book for workers in the field.
Book
RANDOM DATA Analysis and Measurement Procedures
TL;DR: A revised and expanded edition of this classic reference/text, covering the latest techniques for the analysis and measurement of stationary and nonstationary random data passing through physical systems, is presented in this article.
Book
Digital spectral analysis : with applications
TL;DR: This new book provides a broad perspective of spectral estimation techniques and their implementation concerned with spectral estimation of discretespace sequences derived by sampling continuousspace signals.