Parna Chakraborty Bhattacharya
Singapore
Summary
With strong academic background in multidisciplinary science, technologies and engineering research, AWS certified Generative-AI for large language model (2024), Deeplearning.AI certified Natural Language Processing (2021) expert, Stanford Online certified ML engineer for automation program (2021), Successful and experienced (4.5yrs.) at developing models and algorithms for AI/ML architectures in research and Industry (2017-2023), Experienced (5.5 yrs.) and certified teaching professional by NBA, ABET (2011-2016)
Overview
12
12
years of professional experience
Work History
Senior Data Specialist and NLP Engineer
Omniscien Technologies Asia
12.2021 - 05.2023
- Developed tools for document processing on specific NLP applications (voice recognition, voice transcribe for Live Interview over 80 languages), media data (audio+ video+ images), AI-model based NLP algorithms for subtitle files (ttml, srt, vtt, scc etc), on video signals, among others
- Created basic and advanced level tools for NLP data extraction (xml, tmx files) for customers and pre-process data to train different deep learning models
- Monitored and analyzed machine translation (MT) data quality, run by each NMT- (Neural Machine Translation) engine and final production for customer access.
- Consistently met deadlines (success rate >80%) and delivered high-quality work, demonstrating a strong commitment to excellence in data management
Ph.D. Research Scholar
Chulalongkorn University
08.2015 - 09.2020
- Studied various characteristics in many transformed domains (frequency, wavelet, cosine etc.) for speech modelling (Gaussian, non-Gaussian), speech predictions in non-linear multi-resolution aspect
- Learnt from extensive Investigation on signal processing algorithms (LMS, RLS etc.) various classical methods ( adaptive linear, non-linear optimal filter) for voice detection, state of art for noise estimation techniques
- Developed Statistical machine learning approach for context modelling, data classification (by maximum likelihood ML, Bayes’ theorem, non-linear optimization technique, iterative curve fitting- established empirical equations for train, validation and test data) for speech enhancement algorithm in voice communication systems (paper Q1 journal).
- Worked with industry professionals to further drive learning goals
Visiting Lecturer
Thammasat University
06.2019 - 09.2019
- Taught Power Electronics and Electrical Machine, and practical classes.
- Conducted research to stay up-to-date with current trends in education and subject matter expertise, ensuring relevant course material for students.
Assistant Professor
Calcutta Institute of Engineering and Management
06.2014 - 07.2015
- Taught Analog and Digital Communication, Wireless Communication, Satellite Communication
- Guided projects on micro-controller devices, Organized workshops robotic flight engineering and seminars to facilitate knowledge exchange among scholars from diverse backgrounds and disciplines
- Evaluated student performance through comprehensive assessments, identifying areas of improvement and providing targeted feedback for growth
Assistant Professor
Institute of Engineering and Management
07.2011 - 05.2014
- Taught Basic Electronics Devices, Analog and Digital Communication Engineering, Analog Electronics, Information and Coding Theory and laboratories.
- Built strong rapport with students through class discussions and academic advisement (>100 students/class)
- Maintained up-to-date knowledge of subject matter by attending conferences, workshops, and webinars relevant to field of study.
- Inspired critical thinking skills among students by fostering learning environment that encouraged open-mindedness, curiosity, and intellectual exploration.
Assistant Professor
University of Engineering and Management
11.2011 - 12.2011
- Taught courses on Basic Science, Engineering Physics and mechanical Engineering Drawings.
- Contributed to departmental goals by serving on various committees focused on curriculum development, assessment strategies, and accreditation requirements.
- Helped struggling students by providing support outside of classrooms and consistently checking in on progress.
Teaching Assistant
University of Calcutta
03.2011 - 05.2011
- Conducted practical classes on Digital Signal Processing in MATLAB programming.
Education
PhD - Electrical Engineering, Digital Signal Processing
Chulalongkorn University (CU)
Thailand11.2020
Master of Technology - Electronics And Communication Engineering
Institute of Radio Physics & Electronics, Calcutta University
India07.2011
Post-Graduation - Bachelor in Technology, Electronics and Communication Engineering
Institute of Radio Physics & Electronics, Calcutta University
India07.2009
Graduation - Bachelor of Science, Physics Honors
Bethune College, Calcutta University
India07.2006
Skills
- Advanced MATLAB
- Python
- Java, JavaScript
- Shell script
- Linux OS
- Hands-On Statistics and DNN Algorithmic
- AI-ML Tool developer
- PyTorch, Tensorflow familiar
- Word Processing
- Natural Language Processing
- Statistical Analysis
Languages
English
Bengali
Hindi
Thai
Academic Research Experience
- M.Tech, Analysis of Phonetic-Acoustic Characterization and Processing of Bengali Speech Signal, Unknown
- B.Tech, Studies of Equatorial Ionization Distribution as a possible precursor to post Sunset Ionospheric scintillation, Unknown
Personal Information
- Date of Birth: 08/15/84
- Gender: Female
- Nationality: Indian
- Marital Status: Married
Residence Country
Singapore
Awards
Received Award for Best Paper Presentation in IEEE International conference, held in Singapore, 2017
Publications
- Performance Improvement of Adaptive Wavelet Thresholding for Speech Enhancement using Generalized Gaussian Priors and Frame-Wise Context Modeling, IEEE Access, 8, 168361-168-380, 2020
- A Spectrogram Approach to Sensor noise Elimination of Speed-Torque Curve for Induction Motor, The 6th International Conference on Engineering, Energy and Environment (ICEEE), Thailand, 132-137, Nov, 2019
- An octave-scale multiband spectral subtraction noise reduction method for speech enhancement, International Conference on Signal and Image Processing (ICSIP), Singapore, 346-350, August, 2017
Projects
- Video Signal Processing: Improvement of subtitle generation automatically for real low quality video signals in industrial application
- Noise Reduction Technique: Computation of adaptive noise control algorithm for Active Headrest System during research work
- Image Restoration: Application of Image de-blurring in mobile device during research work
- Image Acquisition: Artificial hologram on cone-structured surface for ceramic museum display
- Computer Vision Problem: Application of Motion Detection in Image for Home surveillance purpose during internship
reading detective story, listening music, cycling, driving car, sketch drawing
Like to relax while listening musics-podcast on spirituality, reading detective books during boring time, cycling in hill area, love to go for long drive, build my imagination through sketch drawing
Timeline
Senior Data Specialist and NLP Engineer
Omniscien Technologies Asia
12.2021 - 05.2023
Visiting Lecturer
Thammasat University
06.2019 - 09.2019
Ph.D. Research Scholar
Chulalongkorn University
08.2015 - 09.2020
Assistant Professor
Calcutta Institute of Engineering and Management
06.2014 - 07.2015
Assistant Professor
University of Engineering and Management
11.2011 - 12.2011
Assistant Professor
Institute of Engineering and Management
07.2011 - 05.2014
Teaching Assistant
University of Calcutta
03.2011 - 05.2011
PhD - Electrical Engineering, Digital Signal Processing
Chulalongkorn University (CU)
Master of Technology - Electronics And Communication Engineering
Institute of Radio Physics & Electronics, Calcutta University
Post-Graduation - Bachelor in Technology, Electronics and Communication Engineering
Institute of Radio Physics & Electronics, Calcutta University
Graduation - Bachelor of Science, Physics Honors
Bethune College, Calcutta University
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