期刊
JOURNAL OF AMBIENT INTELLIGENCE AND HUMANIZED COMPUTING
卷 12, 期 5, 页码 4689-4695出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s12652-020-01871-w
关键词
Raspberry Pi; Bilateral filter; Edge detection; Segmentation; Telemedicine
This paper highlights the importance of preprocessing and segmentation in medical image processing, as well as the application of the fast bilateral filter and edge detection algorithms. The fast bilateral filter has good noise removal and edge preservation capabilities, while the Canny edge detector is more efficient than traditional edge detectors.
The role of preprocessing and segmentation are vital in image processing and computer vision. The medical images are prone to noise and the filtering algorithms are used for noise removal. In this paper, the fast bilateral filter is employed for noise removal and it has good edge preservation capacity. The segmentation algorithms are used to extract the region of interest and edge detection is a classical algorithm for tracing the contours of objects in an image. The canny edge detector is efficient when compared with the conventional edge detectors. The fast bilateral filter is proposed in this paper has the computation complexity of O(1) per pixel, while the classical bilateral filter has the computation complexity of O(W) operations per pixel, where W is the kernel size. The algorithms were implemented in Raspberry Pi using Open CV software package. The algorithms were tested on real time medical images.
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