NSICA:在心律失常诊断中选择特征的多目标帝国主义竞争算法
Mehdi Ayar1, Ayaz Isazadeh1, Farhad Soleimanian Gharehchopogh1
1Department of Computer Engineering, Urmia Branch, Islamic Azad University, Urmia, Iran.
Computers in biology and medicine
|May 28, 2023
概括
这项研究引入了一种用于最佳特征选择的新算法,增强了心律失常诊断. 非主导,帝国主义竞争算法 (NSICA) 提高了准确性,并有效地减少了特征.
科学领域:
- 计算智能是一种计算智能.
- 机器学习 机器学习
- 生物信息学是一种生物信息学.
背景情况:
- 最佳的特征选择对于有效的机器学习模型性能至关重要.
- 现有的算法经常与多目标优化和离散化挑战作斗争.
- 准确的心律失常诊断需要从复杂的数据集中进行强大的特征选择.
研究的目的:
- 提出一个新的多目标,非主导,帝国主义竞争算法 (NSICA) 进行最佳的特征选择.
- 通过修改的ICA操作和非主导分类来解决特征选择中的离散和精英主义问题.
- 通过使用心电图数据,评估NSICA在诊断心律不整方面的有效性.
主要方法:
- 开发了一个名为NSICA的帝国主义竞争算法 (ICA) 的多目标和离散版本.
- 纳入非主导分类和修改ICA运营以处理隐私化和精英主义.
- 应用NSICA作为基于心电图的心律失常分类的特征选择系统.
主要成果:
- 通过NSICA有效地确定了帕雷托最佳特征,用于心律失常的分类.
- 该算法实现了高准确性,同时最大限度地减少了所选特征的数量和虚假消极性.
- 对比评估表明NSICA的性能优于最先进的算法.
结论:
- 对于多目标的最佳特征选择问题,NSICA是一种高效和可适应的算法.
- 拟议的方法显着有望提高心律失常诊断的准确性和效率.
- NSICA提供了一个可定制的解决方案,适用于各种特征选择挑战.
相关概念视频
01:30Dysrhythmias V: Evaluating Dysrhythmias
42
Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...
42
01:25Dysrhythmias VI: Management of Dysrhythmias
19
Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
19
01:29Disturbances in Heart Rhythm
1.0K
Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
1.0K
01:28Dysrhythmias II: Classification of Tachyarrhythmias
13
Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...
13
01:28Mechanism of Cardiac Arrhythmias
972
Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
972
01:29Dysrhythmias III: Characteristics of Dysrhythmias
13
Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per...
13