Muhammed Erdem Isenkul

Muhammed Erdem Isenkul
İstanbul University-Cerrahpaşa · Department of Computer Engineering

Doctor of Engineering

About

17
Publications
19,891
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680
Citations
Additional affiliations
June 2015 - August 2015
University of North Carolina at Chapel Hill
Position
  • Researcher
February 2010 - January 2019
Istanbul University
Position
  • PhD Student

Publications

Publications (17)
Conference Paper
Full-text available
The monitoring of the progression of Parkinson’s disease (PD) is held on frequently in the clinic and an inconvenient and time-consuming process since PD is generally observed mostly in elderly people whose physical visits to the clinic are troublesome, and the physical examinations must be performed by trained medical staff. Besides, from the mach...
Conference Paper
Full-text available
Patients with Parkinson's disease (PD), in addition to motor disorders, such as tremor, hypokinesia, rigidity, and postural instability, also suffer from somatosensory abnormalities. Abnormal central processing of somatosensory signals occurs in PD as a result of dopamine deficit. The findings of recent studies show that cortical excitability could...
Article
Full-text available
Impermeable base layers that are made of materials with low permeability, such as clay soil, are necessary to prevent leachate in landfills from harming the environment. However, over time, the permeability of the clay soil changes. Therefore, to reduce and minimize the risk, the permeabilityrelated characteristics of the base layers must be improv...
Article
Full-text available
Studies on Parkinson's disease (PD) are becoming very popular on multidisciplinary platforms. The development of predictable telemonitored early detection models has become closely related to many different research areas. The aim of this article is to develop a visual performance test that can examine the effects of Parkinson's disease on the visu...
Article
In recent years, there has been increasing interest in the development of telediagnosis and telemonitoring systems for Parkinson's disease (PD) based on measuring the motor system disorders caused by the disease. As approximately 90% percent of PD patients exhibit some form of vocal disorders in the earlier stages of the disease, the recent PD tele...
Article
Full-text available
It is important to protect the soil and groundwater from the pollution originating from leachate. Compacted clay soils is a favorable and economic method to protect groundwater and soil against contamination. In this study, compaction tests of leachate was done by using Modified Proctor method. The effects of microbial activity on the permeability...
Conference Paper
Full-text available
In this study, base-2 computer arithmetic procedures are developed for the analyzing of fast division algorithms; Non- Restoring Division, SRT division and Division by Multiplication algorithms. For this purpose, those algorithms have been developed in MATLAB software simulation platform to compare the performance of the three division method. Depe...
Conference Paper
Full-text available
This study aims at measuring the image representation capacity of Layer-4, one of the visual processing steps in the cerebral cortex and at comparing it with pixel-like representations. Visual information that comes into Layer-4 as input is transformed into a nonlinear representation that is capable of detecting certain visual patterns, similar to...
Conference Paper
Full-text available
Nucleotide sequences of genes are compared for estimating genetic similarity/distance. In order to make these comparisons, the gene to be compared must be common in both species. Ideally, 16S ribosome for prokaryotes and 18S ribosome for eukaryotes are used to obtain such a measure of genetic diversity. However, there are some other sources of gene...
Conference Paper
Full-text available
EMG is a standard method for the diagnosis of neuropathies seen in diabetic patients that can measure various conditions such as the nerve conduction velocity. However, as complementary methods physician examination and patient interviews/questionnaires (such as Michigan Neuropathy Scores-MNS) are also used in the field of neuropathic diagnostics....
Conference Paper
Full-text available
The goal of this study is to explore the advantages of representing natural images with the cortical Layer-4 processing, which is the first step in visual information processing performed by the cerebral cortex of the brain. A cortical module, a macrocolumn, receives input from a small visual field and its Layer 4 performs a nonlinear transform of...
Conference Paper
Full-text available
Abstract——The satisfiability problem (SAT) is a constitutive decision problem for mathematical logic, VLSI engineering and computational theory. Uniform random 3 Boolean satisfiability problem is a type of SAT problem which consists of randomly generated clauses with 3 literals. In this study, two population based metaheuristic algorithms, particle...
Conference Paper
Full-text available
The purpose of this study is to discriminate Parkinson's patients from healthy subjects by determining dysphonia from the extracted measures derived out of the collected voice samples. For this purpose, in the context of this study, variety of voice samples is taken from 41 subjects, 21 with Parkinson disease. Time-frequency-based features are extr...
Thesis
Full-text available
Parkinson‘s disease is a neurologic defect that causes partial or full loss in motor reflexes, speech, behavior, mental processing and other vital functions. It is generally observed in old people and causes disorders in speech and motor abilities (writing, balance etc.) of 90% of patients. Nowadays important data of these patients such as age, gen...