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
Spatial Computing & XRWearable Egocentric AI

Meta Ray-Ban Smart Glasses (Wearables DAT)

Captures continuous egocentric video and audio streams for wearable lifelogging, multi-signal perceptual importance scoring, and Poincaré hyperbolic episodic memory retrieval.

Key Technical Specifications:
12 MP Ultra-Wide Egocentric Camera
5-Microphone Spatial Audio Array
Meta Wearables Device Access Toolkit (DAT) Android Integration
Sub-50g Lightweight All-Day Ergonomic Form Factor
Associated Research Projects:
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

Dual NVIDIA RTX 4090 Deep Learning Workstation

Accelerates training of temporal Graph Neural Networks for video forgery detection, dense multi-modal neural retrieval, and offline hyperbolic graph embedding convergence.

Key Technical Specifications:
2× NVIDIA GeForce RTX 4090 (24GB GDDR6X per GPU, 48GB VRAM Total)
128GB DDR5 5600MHz System Memory
AMD Ryzen 9 7950X 16-Core / 32-Thread Processor
High-Speed PCIe Gen 5 NVMe Scratch Arrays
Neural ComputeAutonomous AI Infrastructure

Local LLM & Reasoning Sandboxed Execution Cluster

Executes agentic paper comprehension, dynamic code synthesis, and sandboxed experiment verification without data egress, powering autonomous research workflows.

Key Technical Specifications:
Hardware-Isolated Sandboxed Linux Compute Container
Local Quantized Inference Engines (vLLM, Ollama)
Support for DeepSeek-R1-Distill-Qwen, Llama-3-70B, Qwen-2.5
Automated Test Fixture & Code Sandboxing Environment
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