Papangkorn Inkeaw, Ph.D.

Assistant Professor
Department of Computer Science
Faculty of Science, Chiang Mai University
239, Huay Kaew Road, Muang District, Chiang Mai 50200, Thailand
E-mail papangkorn.i@cmu.ac.th, papangkorn.ink@gmail.com
Tel 053-943412 ext. 111
Overview Research Publications Experiences Courses
Education
2014-2019
Ph.D. in Computer Science
Department of Computer Science, Faculty of Science, Chiang Mai University, Thailand
Thesis Title: Lanna Dhamma Handwritten Character Recognition on Palm Leaf Manuscripts Based on Hierarchical Classification
2009-2012
B.Sc. in Computer Science (1st Class Honors, Gold Medal)
Department of Computer Science, Faculty of Science, Chiang Mai University, Thailand
Senior Project: Inscription Rubbing Image Analysis for Semi-Automatic Collection of Ancient Character Images: Case Study Inscriptions in Fakkham Scripts
Research Interests
  • Pattern Recognition and Machine Learning
  • Feature Engineering
  • Signal and Image Processing
  • Radiomics
Projects
การประมาณค่าปริมาณน้ำฝนเชิงพื้นที่ในประเทศไทย โดยใช้ภาพถ่ายดาวเทียมช่วงคลื่นอินฟราเรด
ได้รับทุนสนับสนุนจาก คณะวิทยาศาสตร์ มหาวิทยาลัยเชียงใหม่ (ปีงบประมาณ 2564)
การสร้างคลังภาพอักษรแบบกึ่งอัตโนมัติด้วยเทคนิคการเรียนรู้แบบกึ่งมีผู้สอนเชิงรุก สำหรับงานประยุกต์ด้านการรู้จำภาพลายมือเขียน
ได้รับทุนสนับสนุนจาก คณะวิทยาศาสตร์ มหาวิทยาลัยเชียงใหม่ (ปีงบประมาณ 2563)
Roadmap Development for Sustainable Renewable Energy on the Road Toward Thailand 4.0
funded by Centre of Excellence in Mathematics, Postgraduate Education and Research Development Office, Mahidol University, Thailand (Fiscal year: 2018 – 2020)
Development of innovation for increasing efficiency and security of power system
funded by Centre of Excellence in Mathematics, Postgraduate Education and Research Development Office, Mahidol University, Thailand (Fiscal year: 2016 – 2020)
HCC-ICC CT Based Classifier
funded by Faculty of Medicine, Chiang Mai University, Thailand (Fiscal year: 2018)
Book
2023
Inkeaw P..Introduction to Data Science (In Thai: วิทยาการข้อมูลเบื้องต้น). Chiang Mai, Thailand: Chiang Mai University Press; 2023. ISBN Number (E-book) 978-616-398-866-9.
Book Chapters
2019
Inkeaw P., Chaijaruwanich J., Bootkrajang J.. Handwritten character recognition for palm-leaf manuscripts. In: Obaidullah SK, Santosh KC, eds. Document Processing using Machine Learning. Florida: CRC Press, Taylor & Francis Group; 2019. ISBN Number 978-0-367-21847-8
International Journals
2025
Taerungruang S., Taninpong P., Chunwijitra V., Thatphithakkul S., Kasuriya S., Inthanon V., Paksaranuwat P., Thumronglaohapun S., Nakharutai N., Inkeaw P., Bootkrajang J.. PaSCoNT - Parallel Speech Corpus of Northern-central Thai for automatic speech recognition. Computer Speech & Language. 2025; 89: 101692. https://doi.org/10.1016/j.csl.2024.101692.
2024
Thabarsa P., Inkeaw P., Madla C., Vuthiwong W., Unsrisong K., Jitmahawong N., Sudsang T., Angkurawaranon C., Angkurawaranon S.. Machine learning based classification of spontaneous intracranial hemorrhages using radiomics features. Neuroradiology. 2024. https://doi.org/10.1007/s00234-024-03481-1.
2023
Chaidee S., Inkeaw P., Makee T., Khamyod K., Angkurawaranon S., Trisathit P., Vaniyapong T., Chitapanarux I.. Comparative Analysis between Different Volumetric Methods on Measuring Intracranial Hemorrhage Incorporating Roundness Index. PLoS ONE. 2023; 18(10): e0292092. https://doi.org/10.1371/journal.pone.0292092.
Inkeaw P., Wongsaijai B., Poochinapan K., Oonariya C., Chaijaruwanich J.. Spatial Estimation of Daily Precipitation in Thailand based on Infrared Satellite Images using Artificial Neural Networks. Theoretical and Applied Climatology. 2023; 154: 403–412. https://doi.org/10.1007/s00704-023-04562-6.
Angkurawaranon S., Sanorsieng N., Unsrisong K., Inkeaw P., Sripan P., Khumrin P., Angkurawaranon C., Vaniyapong T., Chitapanarux I.. A comparison of performance between a deep learning model with residents for localization and classification of intracranial hemorrhage. Scientific Reports. 2023; 13: 9975. https://doi.org/10.1038/s41598-023-37114-z.
2022
Inkeaw P., Srikummoon P., Chaijaruwanich J., Traisathit P., Awiphan S., Inchai J., Worasuthaneewan R., Theerakittikul T.. Automatic Driver Drowsiness Detection Using Artificial Neural Network Based on Visual Facial Descriptors: Pilot Study. Nature and Science of Sleep. 2022; 14: 1641—1649.
Inkeaw P., Angkurawaranon S., Khumrin P., Inmutto N., Traisathit P., Chaijaruwanich J., Angkurawaranon C., Chitapanarux I.. Automatic hemorrhage segmentation on head CT scan for traumatic brain injury using 3D deep learning model. Computers in Biology and Medicine. 2022; 146: 105530.
Chutsagulprom N., Chaisee K., Wongsaijai B., Inkeaw P., Oonariya C.. Spatial interpolation methods for estimating monthly rainfall distribution in Thailand. Theoretical and Applied Climatology. 2022; 148(1-2): 317–328.
2021
Inkeaw P., Chaijaruwanich J., Udomwong P.. Density Based Semi-Automatic Labeling on Multi-Feature Representations for Ground Truth Generation: Application to Handwritten Character Recognition. Knowledge-Based Systems. 2021; 220: 106953.
2020
Ponnoprat D., Inkeaw P., et al. Classification of hepatocellular carcinoma and intrahepatic cholangiocarcinoma based on multi-phase CT scans. Medical and Biological Engineering and Computing. 2020; 58(10): 2497-2515.
2019
Inkeaw P., Bootkrajang J., Marukatat S., Gonçalves T., Chaijaruwanich J.. Recognition of similar characters using gradient features of discriminative regions. Expert Systems With Applications (ESWA). 2019; 134(C): 120-137.
2018
Inkeaw P., Bootkrajang J., Charoenkwan P., Marukatat S., Ho S.Y., Chaijaruwanich J.. Recognition-based character segmentation for multi-level writing style. International Journal on Document Analysis and Recognition (IJDAR). 2018; 21(1-2): 21–39.
2017
Inkeaw P., Charoenkwan P., Huang H.L., Marukatat S., Ho S.Y., Chaijaruwanich J. Recognition of handwritten Lanna Dhamma characters using a set of optimally designed moment features. International Journal on Document Analysis and Recognition (IJDAR). 2017; 20(4): 259–274.
International Conferences
2023
Thabarsa P., Angkurawaranon S., Madla C., Vuthiwong W., Unsrisong K., Inkeaw P., Classification of Acute Intracerebral Hemorrhage Using Radiomics on Brain Computed Tomography Images. In: 15th International Conference on Information Technology and Electrical Engineering (ICITEE 2023); 2023. p. 1-6. https://doi.org/10.1109/ICITEE59582.2023.10317766
2019
Inkeaw P., Chaijaruwanich J., Soonthornthum B.. Digital Library for Thai Astronomical History Study on French Document Resource. In: 3rd International Conference on Digital Technology in Education (ICDTE 2019); 2019.
2018
Inkeaw P., Bootkrajang J., Gonçalves T., Chaijaruwanich J.. Handwritten Character Recognition using Active Semi-Supervised Learning. In: 19th International Conference on Intelligent Data Engineering and Automated Learning (IDEAL 2018); 2018. p. 69–78.
Panyangam B., Inkeaw P., Chaijaruwanich J., Chamklan N., Jakmunee J.. RGB Color Measuring Tool of Simple Colorimetric Detection for High Throughput Antioxidant Capacity Assay on Well Plate. In: 15th International Joint Conference on Computer Science and Software Engineering (JCSSE 2018); 2018.
Phaphuangwittayakul A., Saranwong S., Panyakaew SN., Inkeaw P., Chaijaruwanich J.. Analysis of Skill Demand in Thai Labor Market from Online Jobs Recruitments Websites. In: 15th International Joint Conference on Computer Science and Software Engineering (JCSSE 2018); 2018.
Panyakaew SN., Inkeaw P., Bootkrajang J., Chaijaruwanich J.. Least Square Reinforcement Learning for Solving Inverted Pendulum Problem. In: 3rd International Conference on Computer and Communication Systems (ICCCS 2018); 2018. p. 397– 401.
2016
Inkeaw P., Bootkrajang J., Charoenkwan P., Marukatat S., Ho S.Y., Chaijaruwanich J.. Rule-based page segmentation for palm leaf manuscript on color image. In: 18th International Conference on Asia-Pacific Digital Libraries (ICADL 2016); 2016. p. 127–136. (Best Student Paper Award)
2015
Inkeaw P., Chueaphun C., Chaijaruwanich J., Klomsae A., Marukatat S.. Lanna Dharma handwritten character recognition on palm leaves manuscript based on Wavelet transform. In: IEEE 2015 International Conference on Signal and Image Processing Applications (ICSIPA 2015); 2015. p. 253–258.
2013
Techawut C., Inkeaw P., Chaijaruwanich J., Hutangkura T. The metadata schema design and utility architecture for Thai Lanna inscription collection. In: 15th International Conference on Asia-Pacific Digital Libraries (ICADL 2013); 2013. p. 157–160.
Experiences
2018
Research student at Department of Informatics, School of Sciences and Technology, University of Évora, Portugal (2 September – 30 November 2018)
2015-2016
Research student at Intelligent Computing Laboratory, National Chiao Tung University, Taiwan (25 May – 30 August 2015, 5 June – 16 September 2016)
2014
Research assistant in “The Investigation, Collection and Management the Information System of Nan Province Palm Leaf Manuscript’s Copy in Chao Ananta Worariddhidej Period” project funded by Lanna Studies project, Chiang Mai University, Thailand (Fiscal year: 2014)
2013
Junior programmer in ASP.NET at ManaoSoftware Company (November 2013 – April 2014)
Research assistant in Image Technology Laboratory, National Electronics and Computer Technology Center, Thailand. (May 2013 – October 2013)
Courses