Karya
Judul/Title Automated Determination of Macula Centre Point based On Geometrical and Pixel Value Approaches to Support Detection of Foveal Avascular Zone
Penulis/Author Prof. Ir. Hanung Adi Nugroho, S.T., M.Eng., Ph.D., IPM., SMIEEE. (1) ; LATIFAH LISTYALINA (2); Dr.Eng. Ir. Sunu Wibirama, S.T., M.Eng., IPM. (3); WIDHIA OKTOEBERZA KZ (4)
Tanggal/Date 2018
Kata Kunci/Keyword
Abstrak/Abstract The centre of macula can be used to support the determination of foveal avascular zone which is one of the features in automated diabetic retinopathy detection. The centre of macula detection novel approach is divided into two parts, namely geometrical and pixel value approaches. Geometrical approach is based on the orientation of centre of macula into the optic disc centre point, whereas pixel value approach is per- formed by finding the centre of several dark pixels on the particular region of interest. Validation of the centre of macula detection method shows that the correlation coefficient obtained between detected FAZ of the proposed method and FAZ of ophthalmologist’s is 0.81. Correlation coefficient achieved between detected FAZ of the proposed method and the grade provided by MESSIDOR database is 0.56. Finally, correlation coefficient between detected FAZ of ophthalmologist’s and the grade is 0.49. These promising results indicate that the proposed scheme is reliable to be implemented in the development of a computerized system to assist ophthalmologists in monitoring and diagnosing diabetic retinopathy.
Rumpun Ilmu Teknik Elektro
Bahasa Asli/Original Language English
Level Internasional
Status
Dokumen Karya
No Judul Tipe Dokumen Aksi
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