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Browsing Computational Physics by Issue Date

Browsing Computational Physics by Issue Date

Now showing items 1-20 of 35

IMPROPER INJECTION TIMING AND INSUFFICIENT COOLANT AMOUNT DETECTION IN TOYOTA 3B ENGINE THROUGH ITS SOUND USING SPECTRAL ANALYSIS

abeba, Getachew Major advisor (PhD); amente, Gelena Co Advisor (PhD) (Haramaya university, 2015-05)

The target of this thesis is the detection of fault in engine through its sound using spectral analysis. The sound signals of four selected engine parts were examined using spectral analysis to detect the fault in Toyota ...
IMAGE BASED TECHNIQUE FOR THE MEASUREMENT OF LEAF SPOT (Septoria lycopersici Speg.) SEVERITY ON TOMATO (Solanum lycopersicum MILL.)

abawari motti, Admasu; abebe, Getachew Major Advisor (PhD); dejene, Mashilla Co- Advisor (PhD) (Haramaya university, 2015-12)

Major economic and production losses of yield occur because of diseases on the tomato production. Nowadays there are several diseases, such as septoria leaf spot (S. lycopersici speg), anthracnose, early blight, and late ...
GENOTYPIC CLASSIFICATION OF HARARGHE COFFEE BEANS USING IMAGING TECHNIQUES

teshome, Nuredin; abebe, Getachew Major Advisor (PhD); Mohammed, Wasu Co Advisor (PhD) (Haramaya university, 2016-01)

In this research work, a digital image analysis technique was used to classify Hararghe coffee beans of six Weredas (Kombolcha, Meta, Deder, Tulo, Bultum and Mechara) based on their color, morphological and textural ...
ESTIMATION OF OPTIMAL FUNGICIDE VOLUME AGAINST TOMATO EARLY BLIGHT (Alternaria solani) USING IMAGE PROCESSING TECHNIQUES

ljalem, Tesfay; abebe, Getachew Major Advisor (PhD); dejene, Mashilla Co Advisor (PhD) (Haramaya university, 2017-04)

In this research work, digital image analytical techniques were used with the objectives to detect and calculate disease severity and to estimate and optimize volume of fungicide. The mancozeb fungicide was sprayed on ...
IMAGE ANALYSIS TECHNIQUES FOR EVALUATION OF SUGAR CRYSTALS SIZE DISTRIBUTION

tadele, Tesfaye; abebe, Getachew Major Advisor Dr (Haramaya university, 2017-04)

Sugar crystal size distribution is an important prerequisite to evaluate the quality of the product. The digital image processing (DIP) was used to determine the size of the raw sugar crystals (SC) by using a camera ...
DESIGN, CONSTRUCTION AND DETERMINATION OF FREQUENCY SPECTRUM OF ELECTRONIC RODENT REPELLENT SYSTEM

ljalem, Tesfay; abebe, Getachew Major Advisor (PhD) (Haramaya university, 2017-11)

This research work focused on design, construction and determination of frequency spectrum of electronic rodent repellent system. It was initiated due to the fact rodents cause significant economical losses by gnawing, ...
APPLICATION OF IMAGE PROCESSING TECHNIQUE TO STUDY MALARIA PARASITES IN BLOOD

tarekegn, Tensael; abebe, Getachew Major Advisor (PhD) (2017-11)

Malaria is a mosquito borne infectious disease of humans and other animals caused by protozoan parasitic of the plasmodium. The most serious and virulent forms of the disease are caused by P. falciparum which contributes ...
MEASUREMENT of DISEASE SEVERITY on TOMATO LEAF USING IMAGE PROCESSING

reta, Hailemariam; abebe, Getachew (PhD); ayalew, Amare (PhD) (Haramaya university, 2017-11)

Early blight tomato leaf disease is one of the major diseases that affect both quality and quantity of tomato production. Detection and estimation of disease severity so far is carried out traditionaly (using visual ...
ASSESSMENTOF SEASONAL VARIABILITY OF NITROGEN OXIDES (NOx) AND CARBON MONOXIDE (CO) AND THEIR DEPENDENCE ON METEOROLOGICAL PARAMETERS OVER ADDIS ABABA, ETHIOPIA

olana negerie, Fereja; abebe, Getachew Major Advisor (PhD) (Haramaya university, 2018-11)

In this study, a simple machine vision system was developed for sorting three maturity classes of tomatoes grown in Ethiopia. For the sorting analysis, RGB color features were extracted from each class of tomato images. ...
AUTOMATIC INSPECTION OF LEVEL OF BEER BOTTLING USING IMAGE PROCESSING

ladanklet gebrie, Semie; abebe, Getachew Major Advisor (PhD) (Haramaya university, 2018-11)

This thesis presents the design of automatic inspection of the level of bottling using machine vision system and also the working principle and the hardware structure of the system. The inspection the level of bottling ...
DEVELOPMENT OF AN APPROPRIATE ALGORITHM TO IDENTIFY AND CLASSIFY MALARIA PARASITE BY USING IMAGE PROCESSING

liranso, Kassa; abebe, Getachew Major Advisor (PhD) (Haramaya university, 2019-06)

Malaria is a mosquito borne infectious disease of humans and other animals caused by protozoan parasite of the genus plasmodium. The vast majority of deaths are caused by P.f Maintaining one’s health is the most essential ...
AUTOMATIC IDENTIFICATION AND CLASSIFICATION OF FILLING LEVEL OF COCA COLA BOTTLING USING IMAGE PROCESSING

ayres, Ermias; abebe, Getachew Major Advisor (PhD) (Haramaya university, 2019-06)

Digital image processing and analysis system was developed to detect and count normal and filling bottles in the production flow process. MATLAB (R2013a) image processing and acquisition toolboxes together with night flick ...
AUTOMATIC DETECTION, CLASSIFICATION AND COUNTING OF MALARIA PARASITES IN BLOOD SMEARS BY IMAGE PROCESSING

yemer, Jamal; abebe, Getachew Major Advisor (PhD) (Haramaya university, 2019-06)

Malaria is an infectious disease caused by a peripheral blood parasite of the genus Plasmodium. Conventional microscopy, which is currently the gold standard for malaria diagnosis has occasionally proved inefficient since ...
IDENTIFICATION OF AUTOMOTIVE ENGINE CONDITION THROUGH ITS SOUND SIGNAL USING EXACT WAVELET ANALYSIS

g/giyorges, G/michael; abebe, Getachew Major Advisor Dr. (Haramaya university, 2019-11)

The main objective of this work was identification of automotive engine condition through its sound using exact wavelet analysis. Continuous wavelet transforms (CWTs) are widely recognized as effective tools for vibration-based ...
AUTOMATIC SEGMENTATION AND CLASSIFICATION OF PHANTOM IMAGES FOR MAMMOGRAPHY QUALITY CONTROL

Berhe, Tekleweyni; Abebe, (PhD) Getachew (Haramaya university, 2019-12)

Breast cancer is one of the most common forms of cancer in women worldwide. At present, mammography is one of the most reliable methods for early breast cancer detection. However, mammography images are difficult to interpret ...
CLASSIFICATION OF WHEAT SEEDS BASED ON MORPHOLOGY AND COLOR FEATURES USING IMAGE PROCESSING TECHNIQUES

Yosef, Aschale; Abebe, (PhD) Getachew; Terefe, (PhD) Habtamu (Haramaya university, 2020-09)

Wheat is one of the most important food sources in the world. Classification of wheat grains is essential for controlling the quality of wheat for flour industry, wheat traders and wheat researchers. The main focus of this ...
AUTOMATIC DETECTION AND CLASSIFICATION OF MALARIA (PLASMODIUM FALCIPARUM) PARASITE GROWTH STAGES USING SHAPE ATTRIBUTES

Owata, Wondimu; Abebe, (PhD) Getachew (Haramaya university, 2020-10)

Malaria is a leading cause of deaths globally. Rapid and accurate diagnosis of the disease is a key to its effective treatment and management. Identification of plasmodium parasites life stages and species forms part of ...
OBJECTIVE IDENTIFICATION OF HEART BEAT STATUS USING SPECTRAL ANALYSIS

Mehamedyasin, Salih; Abebe, (PhD) Getachew; G/slassie, Dr. Ashenafi (Haramaya university, 2021-01)

Cardiac auscultation is one of the most important physical examination and a part of the first medical diagnostic procedures. In this study, the spectra of the heart beat sound to differentiate the normal and abnormal heart ...
OBJECTIVE IDENTIFICATION OF HEART BEAT STATUS USING SPECTRAL ANALYSIS

Mehamedyasin, Salih; Abebe, (PhD) Getachew; G/slassie, Dr. Ashenafi (Haramaya university, 2021-01)

Cardiac auscultation is one of the most important physical examination and a part of the first medical diagnostic procedures. In this study, the spectra of the heart beat sound to differentiate the normal and abnormal heart ...

Now showing items 1-20 of 35

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