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An efficient technique for object recognition using Shi-Tomasi corner detection algorithm
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DOI：10.1007/s00500-020-05453-y.png)
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摘要
En 中文
An efficient feature detection algorithm and image classification is a very crucial task in computer vision system. There are various state-of-the-art feature detectors and descriptors available for an object recognition task. In this paper, the authors have compared the performance of Shi-Tomasi corner detector with SIFT and SURF feature descriptors and evaluate the performance of Shi-Tomasi in combination with SIFT and SURF feature descriptors. To make the computations faster, authors have reduced the size of features computed in all cases by applying locality preserving projection methodology. Features extracted using these algorithms are further classified with various classifiers like K-NN, decision tree and random forest. For experimental work, a public dataset, namely Caltech-101 image dataset, is considered in this paper. This dataset comprises of 101 object classes. These classes have further contained many images. Using a combination of Shi-Tomasi, SIFT and SURF features, the authors have achieved a recognition accuracy of 85.9%, 80.8% and 74.8% with random forest, decision tree and K-NN classifier, respectively. In this paper, the authors have also computed true positive rate, false positive rate and area under curve in all cases. Finally, the authors have applied the adaptive boosting methodology to improve the recognition accuracy. Authors have reported improved recognition accuracy of 86.4% using adaptive boosting with random forest classifier and a combination of Shi-Tomasi, SIFT and SURF features.
Keyword:
Decision tree
LPP
k-NN
Random forest
Shi-Tomasi
SIFT
SURF
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期刊
IF:
2.5
论文数:
1.0W
被引数:
2.1W
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