Author

Krittin Pachtrachai

Observed name: Pachtrachai, Krittin

Observed institutions: Wellcome / EPSRC Centre for Interventional and Surgical Sciences, University College London

ORCID: 0000-0002-1168-6250

Observed ORCID: 0000-0002-1168-6250

OpenAlex ID: A5010787689

Hand-eye calibration for robotic assisted minimally invasive surgery without a calibration object

2016 · Krittin Pachtrachai, Max Allan, et al. · IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · 49

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Adjoint Transformation Algorithm for Hand–Eye Calibration with Applications in Robotic Assisted Surgery

2018 · Krittin Pachtrachai, Francisco Vasconcelos, et al. · Annals of Biomedical Engineering · 42

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Hand-Eye Calibration With a Remote Centre of Motion

2019 · Krittin Pachtrachai, Francisco Vasconcelos, et al. · IEEE Robotics and Automation Letters · 27

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Learning to Calibrate - Estimating the Hand-eye Transformation Without Calibration Objects

2021 · Krittin Pachtrachai, Francisco Vasconcelos, et al. · IEEE Robotics and Automation Letters · 21

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CHESS—Calibrating the Hand-Eye Matrix With Screw Constraints and Synchronization

2018 · Krittin Pachtrachai, Francisco Vasconcelos, et al. · IEEE Robotics and Automation Letters · 15

Multi-Turn Reinforcement Learning for Tool-Calling Agents with Iterative Reward Calibration

2026 · Modecrua, Wachiravit, Kaewtawee, Krittanon, et al. · arXiv (Cornell University) · 9

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Examining in vivo tympanic membrane mobility using smart phone video-otoscopy and phase-based Eulerian video magnification

2017 · Mirek Janatka, Krishan S. Ramdoo, et al. · Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE · 8

Large Behavior Model: A Promptable Digital Twin of the Retail Customer

2026 · Modecrua, Wachiravit, Pachtrachai, Krittin, et al. · arXiv (Cornell University) · 2

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Following the Flow the Law Requires: Training Voice Agents to Transfer to Unseen Regulated Procedures in Debt Collection

2026 · Pornpichitsuwan, Petmongkon, Pachtrachai, Krittin, et al. · arXiv (Cornell University)

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Scored vs. Generated Readouts in Behavioral Language Models: An Empirical Study of Elicitation Format

2026 · Kraisingkorn, Touchapon, Pachtrachai, Krittin, et al. · arXiv (Cornell University)

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InfluMatch: Frontier-Quality KOL Search at 4B-Model Cost

2026 · Kaewtawee, Krittanon, Pornpichitsuwan, Petmongkon, et al. · arXiv (Cornell University)

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From Transcripts to AI Agents: Knowledge Extraction, RAG Integration, and Robust Evaluation of Conversational AI Assistants

2026 · Pachtrachai, Krittin, Pornpichitsuwan, Petmongkon, et al. · arXiv (Cornell University)

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ROAD: Reflective Optimization via Automated Debugging for Zero-Shot Agent Alignment

2025 · Temyingyong, Natchaya, Jain, Daman, et al. · arXiv (Cornell University)

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Online estimation of the hand-eye transformation from surgical scenes

2023 · Pachtrachai, Krittin, Vasconcelos, Francisco, et al. · arXiv (Cornell University)

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Hand-eye Calibration Using Instrument CAD Models in Robotic Assisted Minimally Invasive Surgery

2016 · Krittin Pachtrachai, Max Allan, et al. · UCL Discovery (University College London)

Works count: 17

Citation count: 174

H-index: 7

I10-index: 5