Local diagonal extrema number pattern: A new feature descriptor for face recognition. - Arvind Pillai; Rajkumar Soundrapandiyan; Swapnil Satapathy; Suresh Chandra Satapathy; Ki-Hyun Jung; Rajakumar Krishnan (Future Gener. Comput. Syst., 2018)

Graph Convolutional Networks for Predicting Drug-Protein Interactions. - Hafez Eslami Manoochehri; Arvind Pillai; Mehrdad Nourani (BIBM, 2019)

Personalized Step Counting Using Wearable Sensors: A Domain Adapted LSTM Network Approach. - Arvind Pillai; Halsey Lea; Faisal M. Khan; Glynn Dennis (CoRR, 2020)

Accurate Step Count With Generalizable Deep Learning on Accelerometer Data. - Long Luu; Arvind Pillai; Halsey Lea; Rubén Buendía; Faisal M. Khan; Glynn Dennis (DASC/PiCom/CBDCom/CyberSciTech, 2021)

First-Gen Lens: Assessing Mental Health of First-Generation Students across Their First Year at College Using Mobile Sensing. - Weichen Wang 001; Subigya Nepal; Jeremy F. Huckins; Lessley Hernandez; Vlado Vojdanovski; Dante Mack; Jane Plomp; Arvind Pillai; Mikio Obuchi; Alex daSilva; Eilis Murphy; Elin Hedlund; et al. (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2022)

Accurate Step Count with Generalized and Personalized Deep Learning on Accelerometer Data. - Long Luu; Arvind Pillai; Halsey Lea; Rubén Buendía; Faisal M. Khan; Glynn Dennis (Sensors, 2022)

Rare Life Event Detection via Mobile Sensing Using Multi-Task Learning. - Arvind Pillai; Subigya Nepal; Andrew Campbell 001 (CHIL, 2023)

Investigating Generalizability of Speech-based Suicidal Ideation Detection Using Mobile Phones. - Arvind Pillai; Subigya Kumar Nepal; Weichen Wang 001; Matthew Nemesure; Michael V. Heinz; George D. Price; Damien Lekkas; Amanda C. Collins; Tess Griffin; Benjamin Buck; Sarah Masud Preum; Trevor Cohen; et al. (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2023)

MoodCapture: Depression Detection using In-the-Wild Smartphone Images. - Subigya Nepal; Arvind Pillai; Weichen Wang 001; Tess Griffin; Amanda C. Collins; Michael V. Heinz; Damien Lekkas; Shayan Mirjafari; Matthew Nemesure; George D. Price; Nicholas C. Jacobson; Andrew T. Campbell (CHI, 2024)

Contextual AI Journaling: Integrating LLM and Time Series Behavioral Sensing Technology to Promote Self-Reflection and Well-being using the MindScape App. - Subigya Nepal; Arvind Pillai; William Campbell; Talie Massachi; Eunsol Soul Choi; Xuhai Xu; Joanna Kuc; Jeremy F. Huckins; Jason Holden 001; Colin A. Depp; Nicholas C. Jacobson; Mary P. Czerwinski; et al. (CHI Extended Abstracts, 2024)

MindScape Study: Integrating LLM and Behavioral Sensing for Personalized AI-Driven Journaling Experiences. - Subigya Nepal; Arvind Pillai; William Campbell; Talie Massachi; Michael V. Heinz; Ashmita Kunwar; Eunsol Soul Choi; Xuhai Orson Xu; Joanna Kuc; Jeremy F. Huckins; Jason Holden 001; Sarah M. Preum; et al. (CoRR, 2024)

Social Isolation and Serious Mental Illness: The Role of Context-Aware Mobile Interventions. - Subigya Nepal; Arvind Pillai; Emma M. Parrish; Jason Holden 001; Colin Depp; Andrew T. Campbell; Eric L. Granholm (IEEE Pervasive Comput., 2024)

Capturing the College Experience: A Four-Year Mobile Sensing Study of Mental Health, Resilience and Behavior of College Students during the Pandemic. - Subigya Nepal; Wenjun Liu; Arvind Pillai; Weichen Wang 001; Vlado Vojdanovski; Jeremy F. Huckins; Courtney Rogers; Meghan Meyer; Andrew T. Campbell (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2024)

MindScape Study: Integrating LLM and Behavioral Sensing for Personalized AI-Driven Journaling Experiences. - Subigya Nepal; Arvind Pillai; William Campbell; Talie Massachi; Michael V. Heinz; Ashmita Kunwar; Eunsol Soul Choi; Xuhai Xu; Joanna Kuc; Jeremy F. Huckins; Jason Holden 001; Sarah M. Preum; et al. (Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 2024)

Beyond Prompting: Time2Lang - Bridging Time-Series Foundation Models and Large Language Models for Health Sensing. - Arvind Pillai; Dimitris Spathis; Subigya Nepal; Amanda C. Collins; Daniel M. Mackin; Michael V. Heinz; Tess Z. Griffin; Nicholas C. Jacobson; Andrew Campbell 001 (CHIL, 2025)

A Survey of Passive Sensing for Workplace Wellbeing and Productivity. - Subigya K. Nepal; Gonzalo J. Martínez; Arvind Pillai; Koustuv Saha; Shayan Mirjafari; Vedant Das Swain; Xuhai Xu; Pino G. Audia; Munmun De Choudhury; Anind K. Dey; Aaron Striegel; Andrew T. Campbell (HCI (3), 2025)

PaPaGei: Open Foundation Models for Optical Physiological Signals. - Arvind Pillai; Dimitris Spathis; Fahim Kawsar; Mohammad Malekzadeh (ICLR, 2025)