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001-es BibID:	BIBFORM012439
Első szerző:	Antal Bálint (informatikus)
Cím:	A two-phase pre-filtering approach to the automatic screening of digital fundus images / Bálint Antal, András Hajdu, Adrienne Csutak, Tünde Pető
Dátum:	2010
Megjegyzések:	In this paper, we present an approach to decrease the computational burden of an automatic screening system designed for diabetic retinopathy. The proposed method consists of two steps. First, a pre-screening algorithm is considered to classify the input digital fundus images based on their abnormality. If an image is found to be abnormal, it will not be analyzed further with robust lesion detector algorithms. As an improvement, we introduce a novel feature extraction approach based on clinical observations. The second step of the proposed method detects regions which contain possible lesions for images that have been passed pre-screening. These regions will serve as inputs to lesion detectors later on, which can achieve better computational performance by operating on specific regions only instead of the entire image. Experimental results show that both two steps of the proposed approach are valid to efficiently exclude a large amount of data from further processing to improve the performance of an automatic screening system
Tárgyszavak:	Műszaki tudományok Informatikai tudományok előadáskivonat Biomedical image processing Medical decision-making Medical expert systems Quality assurance Automatic screening Bio-medical image processing Clinical observation Computational burden Computational performance Diabetic retinopathy Digital fundus images Medical decision making Medical expert system Pre-filtering approach Pre-screening algorithms Algorithms Data handling Decision making Expert systems Eye protection Feature extraction Image enhancement Imaging systems Multimedia signal processing Problem solving Quality assurance Quality control Signal processing Systems analysis Medical imaging
Megjelenés:	5th International Conference on Signal Processing and Multimedia Applications : SIGMAP 2010. - p. 155-158
További szerzők:	Hajdu András (1973-) (matematikus, informatikus) Csutak Adrienne (1971-) (szemész) Pető Tünde (1970-) (orvos, szemész)
Internet cím:	Intézményi repozitóriumban (DEA) tárolt változat
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