HCI LAB/RESEARCH INFRASTRUCTURE

Laboratory Facilities & Hardware

The Human-Computer Interaction Laboratory at IIIT Sri City is equipped with specialized spatial computing headsets, full-body wearable motion capture systems, physiological biosensors, and GPU compute clusters supporting reproducible empirical research.

Spatial Computing & XRHead-Mounted Display

Meta Quest 3 Spatial Computing Headsets

Powers stereoscopic mixed-reality pre-surgical teleconsultation, patient organ inspection with sub-millimeter dynamic coordinate synchronization, and interactive cultural heritage navigation.

Key Technical Specifications:
•Dual 4K+ Infinite Displays (2064 × 2208 per eye)
•Dual RGB Color Passthrough (18 PPD)
•Snapdragon XR2 Gen 2 Platform
•OpenXR 6DOF Inside-Out Optical Tracking
Associated Research Projects:
Spatial Computing & XRHead-Mounted Display

Meta Quest 2 Virtual Reality Headsets (×3)

Facilitates multi-student educational interventions, classroom-scale geometry learning studies, and baseline comparative spatial performance testing.

Key Technical Specifications:
•3× Meta Quest 2 Standalone VR Headsets
•High-Resolution Fast-Switch LCD (1832 × 1920 per eye)
•Qualcomm Snapdragon XR2 Platform with 6DOF Optical Tracking
•Ergonomic Touch Controllers & High-Bitrate PC Link Support
Spatial Computing & XRWearable AI & Smart Glasses

Meta Ray-Ban Smart Glasses (×1)

Supports first-person egocentric perception research, wearable multimodal assistive interactions, and contextual auditory cues for intelligent driver assistance.

Key Technical Specifications:
•1× Meta Ray-Ban Smart Glasses
•Ultra-Wide 12 MP Camera Sensor with 1080p Video Capture
•Open-Ear Directional Audio & 5-Microphone Array for Spatial Audio
•Qualcomm Snapdragon AR1 Gen 1 Multimodal Processing Platform
Biomechanical KinematicsInertial Motion Capture

12-IMU Sony Mocopi Motion Capture System

Enables markerless, full-body kinematic motion tracking across athletic swing phases, dynamically calibrating limb lengths to eliminate stature bias in neuro-symbolic athletic coaching.

Key Technical Specifications:
•12 Ultra-Lightweight (8g) Waterproof IMU Sensors
•Sub-20ms Low-Latency Bluetooth 5.2 Streaming
•Forward Kinematic Bone Vector Tracking
•ArmReachCalibrator Dynamic Anthropometric Normalization
Physiological SensingNeurotechnology

Multi-Channel EEG Biosensing Headsets

Quantifies mental workload, engagement, and cognitive fatigue during immersive VR learning and teleconsultation sessions to validate cognitive fit models.

Key Technical Specifications:
•14-Channel Research-Grade Saline / Dry Sensor Array
•128 Hz – 256 Hz High-Resolution Sampling Rate
•Real-Time Band Power Extraction (Theta, Alpha, Beta, Gamma)
•Event-Related Potential (ERP) Time-Locking
Associated Research Projects:
Physiological SensingAssistive Biosensing

Electrooculography (EOG) Bio-Potential Interface

Facilitates hands-free gaze and target selection for motor-impaired users by translating corneal-retinal dipole movements into discrete directional commands.

Key Technical Specifications:
•Multi-Lead Differential Bio-Potential Amplifiers
•Sub-Millivolt Vertical & Horizontal Saccadic Tracking
•Custom Active Notch Filtering (50Hz / 60Hz Rejection)
•Microcontroller Low-Latency USB/BLE Interface
Associated Research Projects:
Neural ComputeHigh-Performance Computing

NVIDIA RTX 4090 Deep Learning Workstation

Accelerates training of temporal Graph Neural Networks for video forgery detection, deep representation learning, and multi-modal computer vision models.

Key Technical Specifications:
•NVIDIA GeForce RTX 4090 (24GB GDDR6X VRAM)
•128GB DDR5 5600MHz System Memory
•AMD Ryzen 9 7950X 16-Core / 32-Thread Processor
•High-Speed PCIe Gen 5 NVMe Scratch Arrays
Neural ComputeCompute Workstations

3× NVIDIA RTX A4000 Workstations (Intel Core i9-12900K)

Powers continuous deep learning inference, parallel video processing pipelines, physics simulations, and student experiment execution.

Key Technical Specifications:
•3× Dedicated Workstations with NVIDIA RTX A4000 (16GB GDDR6 ECC VRAM each)
•Intel Core i9-12900K Processor (16 Cores / 24 Threads, up to 5.2 GHz)
•64GB DDR5 System Memory per workstation
•High-Speed PCIe NVMe Solid State Storage Arrays
Physical FacilitiesExperimental Laboratory

Spatial Tracking Volume & Human Subjects Testing Suite

Provides an ethically reviewed, controlled physical space for empirical human-subjects evaluations (N=20+ cohorts), usability benchmarks, and biomechanical kinematics studies.

Key Technical Specifications:
•20m² Clear Room-Scale Optical & Kinematic Tracking Area
•Dual Synchronized 4K Observation Cameras with Audio Capture
•Isolated Low-Acoustic Testing Pod for Cognitive Studies
•Dedicated Ergonomic Calibration Rigs & Safety Padding
ETHICAL RIGOR & SAFETY PROTOCOLS

Institutional Review & Participant Privacy

All human-computer interaction user studies, biosignal captures, and mixed reality trials conducted within the laboratory strictly adhere to ethical research guidelines approved by IIIT Sri City Institutional Review Boards, ensuring participant confidentiality, informed consent, and physical safety.

Review Publications