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Real-time diabetic retinopathy patient screening using multiscale AM-FM methods

Victor Murray, Carla Agurto, Simon Barriga, Marios S. Pattichis, Peter Soliz
2012 2012 19th IEEE International Conference on Image Processing  
The system is based on multiscale amplitude-modulation frequency-modulation (AM-FM) methods for feature extraction, and uses supervised and unsupervised methods to produce its final output, namely, a normal  ...  In this paper we present a robust and improved system for diabetic retinopathy (DR) screening.  ...  A system for automatic diabetic retinopathy (DR) screening using multi-scale amplitude-modulation frequency-modulation (AM-FM) methods has been first presented in [2, 3] .  ... 
doi:10.1109/icip.2012.6466912 dblp:conf/icip/MurrayABPS12 fatcat:kop24myccbdunbpqvc7uso52h4

Recent multiscale AM-FM methods in emerging applications in medical imaging

Victor Murray, Marios S. Pattichis, Eduardo Simon Barriga, Peter Soliz
2012 EURASIP Journal on Advances in Signal Processing  
Amplitude-modulation frequency-modulation (AM-FM) decompositions represent images using spatially-varying sinusoidal waves and their spatially-varying amplitudes.  ...  AM-FM decompositions use different scales and bandpass filters to extract the wide range of instantaneous frequencies and instantaneous amplitude components that may be present in an image.  ...  Diabetic retinopathy Multiscale AM-FM decompositions have been used to characterize retinal images with DR. and to screen out patients with different levels of the disease.  ... 
doi:10.1186/1687-6180-2012-23 fatcat:cfuzym7sxreulpdwhykrsmyi5i

Binary operation based hard exudate detection and fuzzy based classification in diabetic retinal fundus images for real time diagnosis applications

Arun Pradeep, X Felix Joseph
2020 International Journal of Electrical and Computer Engineering (IJECE)  
Diabetic retinopathy (DR) is one of the most considerable reasons for visual impairment.  ...  These results suggest that the proposed method could be a diagnostic aid for ophthalmologists in the screening for DR.  ...  Multiscale Amplitude-Modulation-Frequency-Modulation (AM-FM) methods are useful for discriminating between the normal and pathological retinal images [6] .  ... 
doi:10.11591/ijece.v10i3.pp2305-2312 fatcat:xfuo27f4pnfgtp3j7vyxsbsxma

What do we need to build explainable AI systems for the medical domain? [article]

Andreas Holzinger, Chris Biemann, Constantinos S. Pattichis, Douglas B. Kell
2017 arXiv   pre-print
Deep learning approaches, trained on extremely large data sets or using reinforcement learning methods have even exceeded human performance in visual tasks, particularly on playing games such as Atari,  ...  This does not imply a ban on automatic learning approaches or an obligation to explain everything all the time, however, there must be a possibility to make the results re-traceable on demand.  ...  In particular, a multi-scale AM-FM representation led to the important application of population screening for diabetic retinopathy 6 as documented in (Agurto et al., 2010 ), (Rahim et al., 2015 , hysteroscopy  ... 
arXiv:1712.09923v1 fatcat:mo6cbrt4sjbn3fyubiz65mbnli

Progress on retinal image analysis for age related macular degeneration

Yogesan Kanagasingam, Alauddin Bhuiyan, Michael D. Abràmoff, R. Theodore Smith, Leonard Goldschmidt, Tien Y. Wong
2014 Progress in retinal and eye research  
In this review, we discuss different imaging modalities that are currently being considered or used for screening AMD.  ...  progression from intermediate stages (defined as the presence of either many medium-sized drusen or one or more large drusen) to late AMD which allows for preventative strategies in properly identified patients  ...  Telemedicine has proven particularly effective for diabetic retinopathy screening.  ... 
doi:10.1016/j.preteyeres.2013.10.002 pmid:24211245 fatcat:32kzwud635aexpvelxusqkqyzm

Automated detection of circinate exudates in retina digital images using empirical mode decomposition and the entropy and uniformity of the intrinsic mode functions

Salim Lahmiri, Mounir Boukadoum
2014 Biomedical Engineering  
In addition, the image processing time was <4 min, making the presented circinate exudate detection system fit for use in a clinical environment.  ...  The experimental results using a set of 45 images (23 normal images and 22 images with circinate exudates taken from the STARE database) and tenfold cross-validation indicate that the proposed approach  ...  They concluded that there is a statistical differentiation of normal retinal structures and pathological lesions based on AM-FM features and that their methodology can be used in automatic DR screening  ... 
doi:10.1515/bmt-2013-0082 pmid:24615482 fatcat:eltizdcalrfl3k4dgxbaazklfa

A survey on computer aided diagnosis for ocular diseases

Zhuo Zhang, Ruchir Srivastava, Huiying Liu, Xiangyu Chen, Lixin Duan, Damon Wing Kee Wong, Chee Keong Kwoh, Tien Yin Wong, Jiang Liu
2014 BMC Medical Informatics and Decision Making  
The recent developments in methods used in CAD of ocular diseases (such as Diabetic Retinopathy, Glaucoma, Age-related Macular Degeneration and Pathological Myopia) are investigated and summarized comprehensively  ...  Result: We have studied three types of data (i.e., clinical, genetic and imaging) that have been commonly used in existing methods for CAD.  ...  Their system first segmented 3 intraretinal surfaces using a fast multiscale 3-D graph search method.  ... 
doi:10.1186/1472-6947-14-80 pmid:25175552 pmcid:PMC4163681 fatcat:4lvv4oils5euhitmqeigcmhf74

Analysis of entropies based on empirical mode decomposition in amnesic mild cognitive impairment of diabetes mellitus

Dong Cui, Jinhuan Wang, Zhijie Bian, Qiuli Li, Lei Wang, Xiaoli Li
2015 Journal of Innovative Optical Health Sciences  
A feature extraction technique based on maximization of the area under the curve (AUC) and a support vector machine (SVM) were subsequently used to for features selection and classi¯cation.  ...  empirical mode decomposition (EMD), including Approximate entropy (ApEn), Sample entropy (SaEn), Fuzzy entropy (FEn), Permutation entropy (PEn), Power spectrum entropy (PsEn) and Wavelet entropy (WEn) were used  ...  EMD represents any temporal signal consisting of a¯nite set of amplitude and frequency modulated (AM-FM) oscillating components which are the basis of decomposition.  ... 
doi:10.1142/s1793545815500108 fatcat:fd4zabfyaff5ngcidk2fa7bh6y

ISEV2021 Abstract Book

2021 Journal of Extracellular Vesicles  
Methods: Three pools of SP were analyzed. Each pool contained SP from 3 ejaculates from boars used in artificial insemination.  ...  Methods: NVs from strawberry were isolated by differential ultracentrifugation and separated based on density using sucrose density gradient ultracentrifugation.  ...  Methods: EVs released from WT and CD47-T cells were evaluated using miRNA sequencing, real-time PCR and RNA-immunoprecipitation.  ... 
doi:10.1002/jev2.12083 fatcat:6m2b3nhzozac7fgsy7n2gtt2pq

International Journal of Intellectual Advancements and Research in Engineering Computations Red lesion detection in retinal fundus image for dynamic shape features using diabetic retinopathy grading

R Jayanthi, Mr Balaji, R Bairavi, Mr Mahendran, S Mayilkodi
unpublished
The development of an automatic system for screening and grading of diabetic retinopathy depends on the detection of red lesions in retinal fundus images.  ...  The method is validated per-lesion and per image using five databases, three of which are publicly available.  ...  INTRODUCTION DIABETIC retinopathy (DR) is a complication of diabetes that can lead to impairment of vision and even blindness.  ... 
fatcat:5vnvqoycffhzteudsz6vszfysa

Supplementum 222: Joint annual meeting Swiss Society of Paediatrics and the Swiss Society for Allergology and Immunology, jointly organized with the 4th Lymphoid Tissue Meeting "Focus on Stromal Cells"

2017 Swiss Medical Weekly  
Methods: Swiss children from 84 childcare centres in 5 cantons (Aargau, Bern, Fribourg, Vaud, Zurich) comprising about 50% of the country's population participated.  ...  Mixed regression models were used to test associations between potential correlates of total PA (TPA), moderate-to-vigorous PA (MVPA), light PA (LPA) or sedentary behaviour (SB) with a special focus on  ...  Relative gene expression was measured using quantitative real time polymerase chain reaction for the genes: CXCR4, CXCR5, CCR5, CCR7, ICAM-1 and LTβR.  ... 
doi:10.4414/smw.2017.20424 pmid:33379860 fatcat:bpqm632nhffkjhzwtlemyopusa

The 5th International Conference on Molecular Neurodegeneration: Overlapping Pathologies and Common Mechanisms

2019 Molecular Neurodegeneration  
combination of approaches from physical biochemistry and supersaturation to discern the contribution of at-risk metastability together with genetic, cellular, molecular, genomic and systems approaches using  ...  Methods We generated Rab39b knockout mice using the TALEN technique and characterized them by using electrophysiological analyses, behavioral tests and biochemical assays.  ...  of the horse enzyme EcaGST A3-3 [3] with inhibition studies, 1096 FDA-approved compounds were screened for inhibitory effect on EcaGST A3-3 activity.  ... 
doi:10.1186/s13024-019-0328-2 pmid:31391110 pmcid:PMC6685143 fatcat:mujcbfrzwjhcni7s6qp7v2n3qu