Surachai Chaitusaney

Dr. Surachai Chaitusaney

Chulalongkorn University, Bangkok, Krung Thep Maha Nakhon, Thailand
orcid

Research Focus & Metrics

Academic Career Length

21Years (2006-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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26 February 2024 in IEEE Access
Verified
Journal Article
Open access
MSMuhammad Asim Saleem
Muhammad Asim Saleem
AJAshir javeed
Ashir javeed
WAWasan Akarathanawat
Wasan Akarathanawat
ACAurauma Chutinet
Aurauma Chutinet
NSNijasri Charnnarong Suwanwela
Nijasri Charnnarong Suwanwela
PKPasu Kaewplung
Pasu Kaewplung
Cerebrovascular diseases such as stroke are among the most common causes of death and disability worldwide and are preventable and treatable. Early detection of strokes and their rapid intervention play an important role in reducing the burden of disease and improving clinical outcomes. In recent years, machine learning methods have attracted a lot of attention as they can be used to detect strokes. The aim of this study is to identify reliable methods, algorithms, and features that help medical professionals make informed decisions about stroke treatment and prevention. To achieve this goal, we have developed an early stroke detection system based on CT images of the brain coupled with a genetic algorithm and a bidirectional long short-term Memory (BiLSTM) to detect strokes at a very early stage. For image classification, a genetic approach based on neural networks is used to select the most relevant features for classification. The BiLSTM model is then fed with these features. Cross-validation was used to evaluate the accuracy of the diagnostic system, precision, recall, F1 score, ROC (Receiver Operating Characteristic Curve), and AUC (Area Under The Curve). All of these metrics were used to determine the system’s overall effectiveness. The proposed diagnostic system achieved an accuracy of 96.5%. We also compared the performance of the proposed model with Logistic Regression, Decision Trees, Random Forests, Naive Bayes, and Support Vector Machines. With the proposed diagnosis system, physicians can make an informed decision about stroke.

1 October 2015 in IET Generation, Transmission & Distribution
Verified
Journal Article
Open access
PDF file
RCRongrit Chatthaworn
Rongrit Chatthaworn
SCSurachai Chaitusaney
Surachai Chaitusaney
This study presents a novel method for robust transmission network expansion planning (RTNEP) considering intermittent renewable energy generation and loads. The investment cost of transmission line and operating cost are considered as the objective function of the planning. This study proposes to select the suitable scenarios to make the robust expansion plan for all possible scenarios based on intermittent renewable energy generation and loads data in a year. Meta‐heuristic algorithm called adaptive tabu search (ATS) is employed in the proposed RTNEP. ATS iterates between the main problem, which minimises the investment cost and operation cost and the subproblem, which minimises the total power generation of conventional generators and curtailments of renewable energy generation and loads. This study uses AC load flow based on Newton–Raphson method and non‐linear programming (NLP) based on interior point method for solving the main problem and the subproblem, respectively. IEEE Reliability Test System 79 (RTS 79) is used for testing the proposed method. The results show that the proposed expansion plan is more robust than the solutions from other research works.

28 March 2023 in Sustainability
Verified
Journal Article
Open access
PDF file
AWAree Wangsupphaphol
Aree Wangsupphaphol
SCSurachai Chaitusaney
Surachai Chaitusaney
Mohamed Zidan Mohamed SalemMohamed Zidan Mohamed Salem
Mohamed Zidan Mohamed Salem
This study discusses the use of a retired battery from an electric vehicle for stationary energy storage electric vehicle charging in a residential household. This research provides a novel in-depth examination of the processes that may be necessary to investigate the life loss of a battery, whether new or used. The main contribution is to promote the feasibility of the application from both a technical and economic point of view. The semi-empirical models are then utilized to analyze the life fading that is used in economic studies. In terms of lower initial investment costs for the battery and solar photovoltaics, the numerical calculation demonstrates that the used second-life battery with a DOD of 85% has more advantages over a new battery in the same condition. Additionally, compared to a new battery, a second-life battery gradually loses life and benefits from recycling after a projected 10-year lifespan. These results support the feasibility of the project. A discussion of project hurdles is included in which the hybrid converter modification may be achieved. Policymakers are encouraged to keep this valuable scheme in mind for the sake of margin profit and environmental preservation.

14 February 2023 in Sensors
Verified
Journal Article
Open access
PDF file
Muhammad Asim SaleemMuhammad Asim Saleem
Muhammad Asim Saleem
NLNgoc Thien Le
Ngoc Thien Le
WAWidhyakorn Asdornwised
Widhyakorn Asdornwised
SCSurachai Chaitusaney
Surachai Chaitusaney
AJAshir javeed
Ashir javeed
WBWatit Benjapolakul
Watit Benjapolakul
Lung cancer is one of the most common causes of cancer deaths in the modern world. Screening of lung nodules is essential for early recognition to facilitate treatment that improves the rate of patient rehabilitation. An increase in accuracy during lung cancer detection is vital for sustaining the rate of patient persistence, even though several research works have been conducted in this research domain. Moreover, the classical system fails to segment cancer cells of different sizes accurately and with excellent reliability. This paper proposes a sooty tern optimization algorithm-based deep learning (DL) model for diagnosing non-small cell lung cancer (NSCLC) tumours with increased accuracy. We discuss various algorithms for diagnosing models that adopt the Otsu segmentation method to perfectly isolate the lung nodules. Then, the sooty tern optimization algorithm (SHOA) is adopted for partitioning the cancer nodules by defining the best characteristics, which aids in improving diagnostic accuracy. It further utilizes a local binary pattern (LBP) for determining appropriate feature retrieval from the lung nodules. In addition, it adopts CNN and GRU-based classifiers for identifying whether the lung nodules are malignant or non-malignant depending on the features retrieved during the diagnosing process. The experimental results of this SHOA-optimized DNN model achieved an accuracy of 98.32%, better than the baseline schemes used for comparison.

18 March 2024 in International Journal of Hydrogen Energy
Verified
Journal Article
Closed access
ABAbba Lawan Bukar
Abba Lawan Bukar
SCSurachai Chaitusaney
Surachai Chaitusaney
KKKenichi Kawabe
Kenichi Kawabe

3 January 2023 in Sensors
Verified
Journal Article
Open access
PDF file
NLNgoc Thien Le
Ngoc Thien Le
Mya Myet Thwe ChitMya Myet Thwe Chit
Mya Myet Thwe Chit
TTThanh Le Truong
Thanh Le Truong
ASAtchasai Siritantikorn
Atchasai Siritantikorn
NKNarisorn Kongruttanachok
Narisorn Kongruttanachok
WBWatit Benjapolakul
Watit Benjapolakul
In this study, we propose a specimen tube prototype and smart specimen transport box using radio frequency identification (RFID) and narrow band–Internet of Things (NB-IoT) technology to use in the Department of Laboratory Medicine, King Chulalongkorn Memorial Hospital. Our proposed method replaces the existing system, based on barcode technology, with shortage usage and low reliability. In addition, tube-tagged barcode has not eliminated the lost or incorrect delivery issues in many laboratories. In this solution, the passive RFID tag is attached to the surface of the specimen tube and stores information such as patient records, required tests, and receiver laboratory location. This information can be written and read multiple times using an RFID device. While delivering the specimen tubes via our proposed smart specimen transport box from one clinical laboratory to another, the NB-IoT attached to the box monitors the temperature and humidity values inside the box and tracks the box’s GPS location to check whether the box arrives at the destination. The environmental condition inside the specimen transport box is sent to the cloud and can be monitored by doctors. The experimental results have proven the innovation of our solution and opened a new dimension for integrating RFID and IoT technologies into the specimen logistic system in the hospital.