NDLI: Interest point detection method based on multi-scale Gabor filters

Content Provider	IET Digital Library
Author	Zhao, Zhuo Li, Bing Chen, Lei Xin, Meiting Gao, Fei Zhao, Qiang
Abstract	In this study, a novel interest point detection algorithm which combines image intensity variation and edge contour information is proposed. Firstly, the Canny edge contour detector is used to extract the edge map. Secondly, the imaginary parts of multi-scale Gabor filters are applied to smooth input image and then the normalised information entropies at various scales can be acquired. Finally, multiplication of different normalised information entropies will be served as a new measure for interest point that can also be used for interest point detection. This method has two advantages: on the one hand, detection accuracy is greatly improved because combination information is adopted to extract interest points including contour shape information, grey variation of edge pixels and their neighbours; on the other hand, non-interest points can be well inhabited due to multi-scale product in detector is served as an interest point measure. Also, desirable noise robustness and time efficiency are validated through experiments. Compared with four other state-of-art methods, the proposed method shows excellent performance in terms of geometric transformations and localisation accuracy of repeated interest points.
Starting Page	2098
Ending Page	2105
Page Count	8
ISSN	17519659
Volume Number	13
e-ISSN	17519667
Issue Number	Issue 12, Oct (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/13/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2018.5824
Journal	IET Image Processing
Publisher Date	2019-06-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Canny Edge Contour Detector Combination Information Computer Vision And Image Processing Technique Contour Shape Information Edge Contour Information Edge Detection Edge Pixel Entropy Feature Extraction Filtering Method in Signal Processing Gabor Filter Image Filtering Image Intensity Variation Image Recognition Image Segmentation Interest Point Detection Algorithm Interest Point Detection Method Interest Point Measure Multiscale Gabor Filter Normalised Information Entropies
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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