Improved recognition of Echinococcus granulosus protoscoleces using visual saliency and scale-invariant features
1 School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China
2 Xinjiang Key Laboratory of Echinococcosis, Clinical Medical Research Institute, The First Affiliated Hospital of Xinjiang Medical University, Urumqi 830054, China
3 College of Information Science and Engineering, Xinjiang University, Urumqi 830046, China
Figures & Tables
Fig. 1. (a) Microscopic image of Echinococcusgranulosus protoscoleces and (b) the corresponding visual saliency map produced with the Itti model.
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Fig. 2. Graphical depiction of the difference-of-Gaussian function.
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Fig. 3. Keypoint descriptor determination process.
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Fig. 4. Proposed method for detecting Echinococcusgranulosus protoscoleces based on visual saliency and scale-invariant features.
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Fig. 5. (a) Microscopic image of Echinococcusgranulosus protoscoleces, (b) the corresponding visual saliency map produced with the modified Itti model, and (c) the SVM classification results applied to the original image.
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Fig. 6. Egg recognition results using the proposed method.
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Table1. Comparative Parasite Recognition Rates for Methods Using the Conventional Itti model and the proposed modified Itti model
| Visual Saliency Model | Number of Actual Living Parasites | Number of Correctly Identified Living Parasites | Parasite Recognition Rate |
|---|
| Conventional Itti model | 22 | 18 | 81.8% | | Modified Itti model | 22 | 21 | 95.4% |
|
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Table2. Comparative Parasite Recognition Rates Using the Proposed Method for Three Different Eosin Exclusion Test Images Containing Living Parasites
| Test Image | Number of Actual Living Parasites | Number of Correctly Identified Living Parasites | Egg Recognition Rate |
|---|
| 22 | 21 | 95.4% | | 30 | 27 | 90.0% | | 50 | 46 | 92.0% |
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Zhuang Li, Guodong Lü, Xiaoyi Lü. Improved recognition of Echinococcus granulosus protoscoleces using visual saliency and scale-invariant features[J]. Chinese Optics Letters, 2019, 17(4): 041703.
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