A multiscale decomposition approach to detect abnormal vasculature in the optic disc

作者：Agurto Carla^*; Yu Honggang; Murray Victor; Pattichis Marios S; Nemeth Sheila; Barriga Simon; Soliz Peter

来源：Computerized Medical Imaging and Graphics, 2015, 43: 137-149.

DOI：10.1016/j.compmedimag.2015.01.001

• Amplitude-modulation
• frequency-modulation
• Diabetic retinopathy
• Fractal dimension
• Granulometry
• Neovascularization

This paper presents a multiscale method to detect neovascularization in the optic disc (NVD) using fundus images. Our method is applied to a manually selected region of interest (ROI) containing the optic disc. All the vessels in the ROI are segmented by adaptively combining contrast enhancement methods with a vessel segmentation technique. Textural features extracted using multiscale amplitude-modulation frequency-modulation, morphological granulometry, and fractal dimension are used. A linear SVM is used to perform the classification, which is tested by means of 10-fold cross-validation. The performance is evaluated using 300 images achieving an AUC of 0.93 with maximum accuracy of 88%.

• 出版日期2015-7