
Saman Abdanan MehdizadehRamin Agriculture and Natural Resources University of Khouzestan · Mechanics of Biosystems Engineering
Saman Abdanan Mehdizadeh
PhD
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81
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Introduction
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April 2011 - July 2013
April 2013 - present
Publications
Publications (81)
Standardization is paramount for the production and quality control of medicinal plants and their derivatives. One method of achieving standardization is through chemical fingerprinting. Among various techniques, colorimetric sensor arrays are deemed a reliable method for the quality control and diagnosis of medicinal plants. Unlike conventional me...
This study investigated the use of an intelligent irrigation system for greenhouse cucumber cultivation, aiming to manage water consumption efficiently. During the initial phase, irrigation was tested at four levels: 80%, 90%, and 100% of Field Capacity (FC), and Conventional Flood Irrigation (CFI). Data on environmental conditions and water usage...
Identifying bird numbers in hostile environments, such as poultry facilities, presents significant challenges. The complexity of these environments demands robust and adaptive algorithmic approaches for the accurate detection and tracking of birds over time, ensuring reliable data analysis. This study aims to enhance methodologies for automated chi...
In this research, a series of bigels were prepared by incorporating a beeswax-based oleogel and basil seed mucilage- based hydrogels in different ratios. The effect of several oleogel/hydrogel combinations on the physical features and 3D printing capability of the resulting bigels was evaluated. FTIR results of several bigels showed significant var...
Firmness has been identified as a reliable indicator for evaluating fruit quality due to its significant correlation with attributes such as taste, ripeness, shelf life and mechanical impact sensitivity. In order to prevent product loss during evaluation of fruit quality, it is essential to employ non-destructive measurement techniques. This study...
his research highlights the potential of computer vision and machine learning algorithms to enhance weed control systems and decrease herbicide use in agriculture. The development of an efficient and cost-effective smart sprayer system has the capacity to not only benefit farmers financially, but also mitigate the environmental impact of herbicide...
Eggshell cuticles are first lines of defense against egg-associated pathogens, such as Salmonella enterica serovar Enteritidis (SE). Infections from eggs contaminated with this strain remain a significant risk. In addition, changes in the cuticle are closely related to changes in egg safety. The emerging non-thermal atmospheric pressure plasma tech...
In this study, an innovative odor imaging system capable of detecting adulteration in quince seed edible oils mixed with sunflower oil and sesame oil based on their volatile organic compound (VOC) profiles was developed. The system comprises a colorimetric sensor array (CSA), a data acquisition unit, and a machine learning algorithm for identifying...
Having an alarm system to detect human can reduce risk of accidents and human injuries in agricultural environments. The purpose of this study was to develop a stereo vision system for human detection and distance estimation by agricultural vehicles. Asphalt road, harvested wheat and sugarcane fields were selected for imaging in three human gesture...
Implementing intelligent irrigation and adjusting the irrigation system is essential in today’s agricultural system to control the amount of water required for the plant. This study focuses on data obtained from sensors measuring (soil temperature and humidity, temperature and humidity of ambient and light) and image processing of plant leaves. To...
This research paper introduces a novel methodology for classifying jaw movements in dairy cattle into four distinct categories: bites, exclusive chews, chew-bite combinations, and exclusive sorting, under conditions of tall and short particle sizes in wheat straw and Alfalfa hay feeding. Sound signals were recorded and transformed into images using...
Greenhouses are essential for agricultural production in unfavorable climates. Accurate temperature predictions are critical for controlling Heating, Ventilation, Air-Conditioning, and Dehumidification (HVACD) and lighting systems to optimize plant growth and reduce financial losses. In this study, several machine models were employed to predict in...
Acquiring the morphological parameters of fish with the traditional method (depending on human and non-automatic factors) not only causes serious problems, such as disease transmission, mortality due to stress, and carelessness and error, but it is also time-consuming and has low efficiency. In this paper, the speed of fish and their physical chara...
Recently, the application of Fourier transform infrared (FT‐IR) spectroscopy as a noninvasive technique combined with chemometric methods has been widely noted for quality evaluation of agricultural products. Mulberry (Morus alba var. nigra L.) is a native fruit of Iran and there is limited information about its quality characteristics. The present...
The aim of this study is the detection of adulteration in honey by a microcontroller measurement device. For this purpose, 18 pure honey samples from Sidr, Locoweed and Citrus honey were prepared, whose physicochemical characteristics, including moisture content and ⁰Brix, pH, color and ash content were measured. To detect impurities in honey, elec...
Finding a nondestructive method, for rapid evaluation of bread crumb changes during storage, helps researchers to assess the effect of different additives on quality properties and shelf life of bread. Therefore, in this study the changes of bread free vibrational parameters including natural frequency, damping ration, zero-crossing rate, average,...
Continuous monitoring of chickens’ movement on-farm is a challenge. The present study aimed to associate the modified YOLO v4 model with a bird tracking algorithm based on a Kalman filter to identify a chicken’s movement using low-resolution video. The videos were captured in grayscale using a top-view camera with a low resolution of 702 × 480 pixe...
In industrial ovens, the cooking process is controlled by adjusting cooking temperature and time. However, for having high-quality product, variations in parameters like inconsistency in raw materials, baking powder level, batter thickness and batter moisture should be taken into consideration. To handle these variations and produce high-quality pr...
Fruit load estimation is an essential step toward Precision Agriculture (PA) as it helps growers more accurately predict market planning, worker planning, purchase of appropriate equipment and so on. Reliable and accurate estimation of fruit yield in an orchard with hundreds of trees needs automatic methods. In recent years, Deep Learning (DL) has...
Sound analysis is one of the least destructive testing methods that have been developed for the determination of fruit quality. Therefore, in this research, a system was developed for analyzing the acoustic impulse response to determine the presence of carob moths in pomegranate fruit. For this purpose, acoustic signals generated from 100 pomegrana...
Water plays an important role in the growth and health of plants. The supply of this vital material affects not only agricultural yields, but also the quality and control of their physiological processes. Therefore, water scarcity has a negative effect on the growth of plants. In this research, in order to detect the plant's water requirement, a se...
The increasing applications of solar energy have led to the development of various solar collectors with complex geometries. Conventional methods cannot directly calculate the solar radiation on such surfaces. This research is aimed to develop a method and a computer code (Fortran) to determine solar energy reception on curved surfaces. The present...
In this study, the effect of temperature (160–180 °C) and time (15–35 min) on functional properties, antioxidant activity, total phenolic content, the fatty acid composition of chia seed (Salvia hispanica L) flours were evaluated. Results showed roasting significantly increased the oil absorption capacity, water absorption index, water solubility i...
Abstract
In recent years, the role of robotics in managing poultry conditions and increasing livestock welfare, which has led to increased production and reduced costs, has received much attention. The purpose of the present study was to build a small robot to measure and plot the distribution of temperature, humidity, ammonia and oxygen parameters...
Past publications describe the various impact of feeding behavior of broilers on productivity and physiology. However, very few publications have considered the impact of biomechanics associated with the feeding process in birds. The present study aims at comparing the kinematic variables of young broiler chicks (3–4 days old; 19 specimens) while f...
The majority of the volume in a plant cell is water. Therefore, the growth and metabolism of plants are highly dependent on the changes in plant water content. To optimize plant growth in water limited and drought stress conditions, many mechanisms have been considered. The aim of this study was to design and develop an intelligent system, based on...
Agriculture is one of the largest and most important water consuming sector in the world. More than 80% of water resources are wasted in this sector because of the lack of advanced technology. Therefore, by saving water and controlling the growth conditions of the plant simultaneously, a low level of water consumption can be achieved. In this resea...
The potential application of image texture processing for non-destructive evaluation of bread staling was investigated by monitoring the changes in gray level co-occurrence matrix (GLCM) features (energy, contrast, homogeneity, correlation, and entropy) of baguette bread over a 5-day storage period. Energy experienced a significant reduction after...
Eggs are a good source of high quality protein and knowing their quality (physical and chemical properties) during storage is of great importance. Thus, the aim of this research was to design a computer vision system to assess egg freshness during storage time. To this end, 210 intact eggs were collected and stored for 30 days under room conditions...
The objective of this study was to process digital images to investigate the possibility of broilers body weight estimation based on the dynamic model. For this experiment, 2440 images were recorded by a top-view camera from 30 birds. An ellipse fitting algorithm was applied to localize chickens within the pen, by using a generalized Hough transfor...
Laboratory tests are usually carried out with different technologies and under quite different conditions to field tests. In this study, a laboratory test was proposed to assess seed spacing uniformity which is applicable in a field situation. In this method, a high-speed camera system was used to detect seed falling trajectory, which is an effecti...
Prediction the inside environment variables in greenhouses is very important because they play a vital role in greenhouse cultivation and energy lost especially in cold and hot regions. The greenhouse environment is an uncertain nonlinear system which classical modeling methods have some problems to solve it. So the main goal of this study is to se...
The process of enzymatic browning is one of the most important chemical reactions, which effects on color, appearance and quality of fruits and vegetables. Polyphenol oxidase (PPO) and peroxidase (POD) enzymes are associated with enzymatic browning in the tissue of agricultural products. Quality of banana as a climacteric fruit is reduced by enzyma...
The purpose of this research was to represent the new laboratory test procedure that could be applicable in the field condition. Therefore, the performance of a pneumatic planter was investigated under laboratory conditions for maize, castor, fababean, sorghum, sugar beet, watermelon and cucumber seeds. The effect of operational speed [(1) 2.5–4 km...
Introduction: Fried foods such as donuts enjoyed worldwide for their taste, distinctive flavor, aroma and
crunchy texture. There is, however, grave health concern over large fat content of fried foods (Melito and Farkas,
2013). There are several ways to lower fat content in deep-fried foods. One method is to reformulate the product
by adding hydrop...
The classification of oil palm nutrient level based on leaf samples is an important factor to dictate the quality of fresh fruit bunch (FFB). The optimum nutrient level in a palm tree ensures high yield and productivity. This study evaluated a spectroradiometer of spectral bands ranging from 350 to 2500 nm to detect nutrient level in oil palm leaf...
The external appearance of an olive’s skin is the most decisive factor in determining its quality. In order to quantify the colour changes that occur during sweetening process, a computer vision systems based on Artificial Neural Networks (ANN) was developed to determine bitter and sweet olives. To this end, olives were treated in brine and water t...
Visually estimating the gait score in a flock is not a precise task. The evaluation is done based on scores from 0 (sound bird) to 5 (lame bird). The extremes are easily identifiable; however, the intermediate scores are not evident. This study aimed to develop an algorithm and software to estimate broiler gait score. Video images were recorded fro...
The significant of solar energy as a renewable energy source, clean and without damage to the environment, for the production of electricity and heat is of great importance. Furthermore, due to the oil crisis as well as reducing the cost of home heating by 70%, solar energy in the past two decades has been a favorite of many researchers. Solar coll...
به دلیل مشکلات بسیار توزین مستقیم وزن (به عنوان مثال استرس¬زا بودن آن هم برای کشاورز و هم برای حیوانات)، روش¬های مبتنی بر تصاویر دیجیتال برای تعیین وزن زنده و رشد حیوانات مختلف پیشنهاد شده است. اما تعیین تغییرات ویژگی¬های ظاهری بدن حیوان با وجود سر به دلیل تغییر مکرر موقعیت آن سبب ایجاد خطا قابل توجهی می¬گردد. در نتیجه هدف این مطالعه کاهش خطای پیش...
The quality of fruits can be reduced due to some damages and impacts which occur during harvesting. One of the most important mechanical damages that can reduce the quality of ripe fruit quality is abrasion damage. This study focused on the effect of dynamic loading based on customary harvesting method on mulberry fruit properties. To this end, dif...
In the present study, the effects of addition of Persian gum (PG) and carrot pomace powder (CPP) on formulation of donut were investigated in order to obtain a low-fat dietary fiber-enriched product with desired sensory and appearance properties. Response surface methodology (RSM) with a 5-level-3-factor central composite rotatable design (CCRD) wa...
A very important ingredient in the recipe for a productive broiler breeder flock is the collection of frequent and accurate body weights. To achieve this goal in this paper image processing and support vector regression (SVR) were used as a non-invasive method. An ellipse fitting algorithm using generalized Hough transform was performed to localize...
Objective: Dried violet-blue petals of Echiumamoenum is of great interest because of its medicinal and nutritional properties but there is no reports about the effects of drying conditions on kinetic drying of Echiumamoenum. Design: Drying experiments were performed for temperatures of 40, 50 and 60°C, and air velocities of 0.5, 0.75 and 1.0 ms⁻¹ i...
Introduction:
Increased awareness of diet-health association has led to the growth of health food industry.
Deep-fat fried foods such as donuts enjoy wide popularity owing to their taste, distinctive flavor, aroma and
crunchy texture. There is, however, a great health concern over large fat content of fried foods. Incorporating the dietary fiber su...
Introduction: Nutritional quality of food during storage has become increasingly an important problem. The
loss of some nutrients such as ascorbic acid (vitamin C) might be a critical factor for the shelf life of some products
as citrus juice concentrates, since vitamin C content of citrus juices undergoes destruction during storage (Plaza et
al.,...
1. Machine vision and artificial neural network were used to estimate live body weight of broiler chickens in 30 1-d-old broiler chickens reared for 42 d.
2. Imaging was performed two times daily. To localise chickens within the pen, an ellipse fitting algorithm was used and the chickens’ head and tail removed using the Chan-Vese method.
3. The cor...
To develop non-destructive indices for monitoring the progression of bread staling, the changes in the free vibration responses of baguette bread were examined at different storage times (days 0, 2 and 4). The storage time considerably affected the vibration responses of the bread samples. Except for natural frequencies in the x () and z () directi...
The present study aims at assessing a non-destructive optical method for determining the internal quality of mulberry juice. First, UV-IR spectra (300-1100 nm) were acquired for each sample with a spectral resolution of 2 nm. Then the calibration set, composed of 70 and 38 samples, was used as the validation set. After that two types of pre-process...
هدف از این پژوهش بررسی امکان تشخیص تغییرات روزانه وزن جوجههای گوشتی با استفاده از پردازش تصویر و آنالیز
رگرسیون چندگانه است. بدین منظور تعداد 30 قطعه جوجه گوشتی یک روزه تحت شرایط استاندارد پرورش داده شد.
روزانه بعد از اخذ تصاویر، جوجهها به صورت جداگانه وزن میشدند. از 2490 تصویر اخذشده، شش ویژگی )مساحت،
محیط، مساحت محدب، قطر بزرگ، قطر کوچک، خروج ازم...
Egg is a complete food package. Importance and quality of this sealed food package rely on its invulnerability to external contaminants. Therefore, eggshell with no cracks and high resistance against loads during transportation, packaging, and so on is recommended. There are two methods for measurement of shell resistance: destructive and nondestru...
The industrial and domestic use of microwaves has increased noticeably owing to the advantage of saving energy and time, as well as improving nutritional quality of foods over the past few decades. However, rapid staling rate is one of the drawbacks of microwave baked products. Formulation improvement by adding dietary fibers is one of the ways to...
Previous studies have demonstrated the negative effects of sub-optimal air quality on profitability, production efficiency, environmental sustainability and animal welfare. Experiments were conducted to assess potential environmental improvement techniques such as installing oil-spraying systems in piggery buildings. The developed spray system work...
The behaviour of broiler chickens has been extensively studied as a function of stocking density and environmental conditions, but limited information was reported in the scientific literature about the effect of feeder type on birds’ feeding process. The main objective of this study was to assess the effects of three different feeder types in rela...
هدف از این مطالعه بررسی برخی توابع غیرخطی مورد استفاده برای توصیف منحنی رشد جوجه¬های گوشتی برای انتخاب بهترین تابع بر اساس برخی معیارها (ضریب همبستگی (R2)، مجذور میانگین مربعات خطا (RMSE (و مجموع مربعات خطا (SSE) ) می¬باشد. آزمایش¬ها شامل سی جوجه گوشتی نژاد راس می¬باشد. سه مدل غیرخطی گومپتز، لاجستیک و برتالانفی با استفاده از روش حداقل مربعات غیرخطی...
Color is the first quality attribute of food evaluated by consumers and is, therefore, an important quality component of food influences consumer’s choices and preferences. Color measurement of food products has been used as an indirect measure of other quality attributes such as flavor and contents of pigments because it is simpler, faster and cor...
A survey was made to determine the spring and damper settings of ITM285 tractor's cabin to insure optimal ride and the comfort of the tractor operator. Analysis has been done in terms of root mean square acceleration response (RMSAR) in one-third-octave band and International Standard Organization (ISO). Optimization is performed using particle swa...
The potential of the visible infrared (Vis-IR) (400–1100 nm) transmittance method to assess the internal quality (freshness) of intact chicken egg during storage at a temperature of 30±7 oC and 25%± 4% relative humidity was investigated. Two hundred chicken egg samples were used for measuring freshness and spectra collection during egg storage (up...
Effect of sample thickness, ultraviolet irradiation and storage temperature on bacterial activity, storability and functional properties (foamability and stability) of liquid egg were investigated. Eggs were contaminated with prepared Salmonella suspension 108/mL. Separated albumen and yolk samples were poured in three thicknesses (1, 2 and 3 mm) a...
This study examines machine vision and pattern recognition algorithms which interrogate ventral neck area color and textural characteristics to automatically and non-destructively detectPharaoh Quail sex. A total of 28 birds (14 males and 14 females) were dissected from onedayof age. Thirty seven color and texture features were extracted from ventr...
X-ray microtomography, image processing and Weibull statistical methods were used to characterize the length and width distributions of noil hemp fibres before and after composite fabrication. X-ray microtomography provided direct observations and accurate measurements of length and width of noil hemp fibres within the hemp–polypropylene composite...
The potential application of a visible and shortwave near infrared (Vis/SWNIR) spectroscopic technique as a low cost alternative to predict sugar content based on skin scanning was evaluated. Two hundred and ninety one internode samples representing three different commercial sugarcane varieties were used. Each sample was scanned at four scanning p...
In this project, free vibration testing and dynamic mechanical analysis methods were used to study the damping properties of noil hemp fibre-reinforced polypropylene composites with varying fibre contents (0 to 60 wt%) and compatibilizers (maleic anhydride-grafted polypropylene and maleic anhydride-grafted polyethylene octane) under applied frequen...
X-ray microtomography, image processing and Weibull statistical methods were used to characterize the
length and width distributions of noil hemp fibres before and after composite fabrication. X-ray
microtomography provided direct observations and accurate measurements of length and width of noil
hemp fibres within the hemp–polypropylene composite...