Graph-Cut Segmentation of Retinal Layers from OCT Images.
Conference paperThe segmentation of various retinal layers is vital for diagnosing and tracking progress of medication of various ocular diseases. Due to the complexity of retinal structures, the tediousness of manual segmentation and variation from different specialists, many methods have been proposed to aid with this analysis. However image artifacts, in addition to inhomogeneity in pathological structures, remain a challenge, with negative influence on the performance of segmentation algorithms. Previous attempts normally pre-process the images or model the segmentation to handle the obstruction but it still remains an area of active research, especially in relation to the graph based algorithms. In this paper we present an automatic retinal layer segmentation method, which is comprised of fuzzy histogram hyperbolization and graph cut methods to segment 8 boundaries and 7 layers of the retina on 150 OCT B-Sans images, 50 each from the temporal, nasal and centre of foveal region. Our method shows positive results, with additional tolerance and adaptability to contour variance and pathological inconsistency of the retinal structures in all regions.
Khalid Ahmad A Eltayef, (01-2018), 11th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2018: SCITEPRESS – Science and Technology, 35-42
Skin cancer detection in dermoscopy images using sub-region features
Conference paperIn the medical field, the identification of skin cancer (Malignant Melanoma) in dermoscopy images is still a challenging task for radiologists and researchers. Due to its rapid increase, the need for decision support systems to assist the radiologists to detect it in early stages becomes essential and necessary. Computer Aided Diagnosis (CAD) systems have significant potential to increase the accuracy of its early detection. Typically, CAD systems use various types of features to characterize skin lesions. The features are often concatenated into one vector (early fusion) to represent the image. In this paper, we present a novel method for melanoma detection from images. First the lesions are segmented by combining Particle Swarm Optimization and Markov Random Field methods. Then the K-means is applied on the segmented lesions to separate them into homogeneous clusters, from which important features are extracted. Finally, an Artificial Neural Network with Radial Basis Function is applied for the detection of melanoma. The method was tested on 200 dermoscopy images. The experimental results show that the proposed method achieved higher accuracy in terms of melanoma detection, compared to alternative methods.
Khalid Ahmad A Eltayef, (10-2017), 16th International Symposium, IDA 2017, London, UK: Springer, 75-86
Lesion Segmentation in Dermoscopy Images Using Particle Swarm Optimization and Markov Random Field
Conference paperMalignant melanoma is one of the most rapidly increasing cancers globally and it is the most dangerous form of human skin cancer. Dermoscopy is one of the major imaging modalities used in the diagnosis of melanoma. Early detection of melanoma can be helpful and usually curable. Due to the difficulty for dermatologists in the interpretation of dermoscopy images, Computer Aided Diagnosis systems can be very helpful to facilitate the early detection. The automated detection of the lesion borders is one of the most important steps in dermoscopic image analysis. In this paper, we present a fully automated method for melanoma border detection using image processing techniques. The hair and several noises aredetected and removed by applying a bank of directional filters and Image Inpainting method respectively. A hybrid method is developed by combining Particle Swarm Optimization and Markov Random Field methods, in order to delineate the border of the lesion area in the images. The method was tested on a dataset of 200 dermoscopic images, and the experimental results show that our method is superior in terms of the accuracy of drawing the lesion borders compared to alternative methods.
Khalid Ahmad A Eltayef, (06-2017), 2017 IEEE 30th International Symposium on Computer-Based Medical Systems (CBMS): IEEE, 739-744
An empirical investigation into the motives for the adoption of international accounting standards (IASs) within developing countries: the case of Libya
Conference paperExamining what has led Libya to adopt international accounting standards (IASs)
Shamsaddeen Mohamed Ali Faraj, (04-2017), لندن: British Accounting and Finance Association (BAFA), 1-23
Detection of melanoma skin cancer in dermoscopy images
Conference paperMalignant melanoma is the most hazardous type of human skin cancer and its incidence has been rapidly increasing. Early detection of malignant melanoma in dermoscopy images is very important and critical, since its detection in the early stage can be helpful to cure it. Computer Aided Diagnosis systems can be very helpful to facilitate the early detection of cancers for dermatologists. In this paper, we present a novel method for the detection of melanoma skin cancer. To detect the hair and several noises from images, pre-processing step is carried out by applying a bank of directional filters. And therefore, Image inpainting method is implemented to fill in the unknown regions. Fuzzy C-Means and Markov Random Field methods are used to delineate the border of the lesion area in the images. The method was evaluated on a dataset of 200 dermoscopic images, and superior results were produced.
Khalid Ahmad A Eltayef, (02-2017), Journal of physics: Journal of physics, 14-27
Detection of pigment networks in dermoscopy images
Conference paperOne of the most important structures in dermoscopy images is the pigment network, which is also one of the most challenging and fundamental task for dermatologists in early detection of melanoma. This paper presents an automatic system to detect pigment network from dermoscopy images. The design of the proposed algorithm consists of four stages. First, a pre-processing algorithm is carried out in order to remove the noise and improve the quality of the image. Second, a bank of directional filters and morphological connected component analysis are applied to detect the pigment networks. Third, features are extracted from the detected image, which can be used in the subsequent stage. Fourth, the classification process is performed by applying feed-forward neural network, in order to classify the region as either normal or abnormal skin. The method was tested on a dataset of 200 dermoscopy images
Khalid Ahmad A Eltayef, (02-2017), Journal of physics: Journal of physics, 30-45
خصائص السكان واثرها على دور القوى العاملة في تنمية الاقتصاد الليبي.
مقال في مجلة علمية0
صلاح الدين انبيه جمعة انبيه، (09-2016)، كلية الاقتصاد والعلوم السياسية، بني وليد: مجلة العلوم الاقتصادية والسياسية، 8 (4)،
A Critical Evaluation of the Accounting Profession and Auditing in Libya
Journal ArticleThe development of accounting profession and auditing in developed
countries have received considerable attention in the accounting literature.
However, the accounting profession and auditing in developing countries have
been neglected. Therefore, this study critically evaluates the development of the
accounting profession in the developing country context, specifically in Libya.
This paper sheds light on the phases of accounting development in Libya, taking
into account some factors that affect the accounting practice in the country. These
factors include: the Libyan economy; Libyan culture; foreign investment; Big 4
auditors in the country; compliance to the Global Accounting Standards (e.g.
IASs, ISA and IFRS) and Libya’s application to WTO.
Shamsaddeen Mohamed Ali Faraj, (06-2016), كلية الاقتصاد - جامعة عمر المختار: مجلة المختار للعلوم الاقتصادية, 5 (3), 216-244
مشكلة البطالة وسبل معالجتها في الاقتصاد الليبي مع دراسة تحليلية لاهم المتغيرات الاقتصادية ذات الصلة .
مقال في مجلة علمية0
صلاح الدين انبيه جمعة انبيه، (06-2016)، جامعة غريان: مجلة جامعة الجبل الغربي، 3 (1)،
واقع انتاجية عنصر العمل والطلب عليه في الاقتصاد الليبي خلال الفترة (1990-2012)
مقال في مجلة علمية0
صلاح الدين انبيه جمعة انبيه، (06-2016)، كلية الاقتصاد والعلوم السياسية، جامعة الزيتونة: مجلة الاقتصاد والتجارة، 9 (6)،