Publications

2026

  1. CVPR ’26
    Real-time Gaussian Splatting with Progressive Block-based 3D Reconstruction
    Pirazh Khorramshahi, Upal Mahbub, Mehul Arora, Adithya Reddy Nallabolu, and Gokce Dane
    In Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (CVPR ’26) , 2026

2025

  1. ACM BuildSys ’25
    OmniFlow: A Framework for Generalizable Surrogates for Real-Time Airflow Simulation and Control in Unseen Indoor Environments
    M Tanjid Hasan Tonmoy, Upal Mahbub, and Tauhidur Rahman
    In Proceedings of the 12th ACM International Conference on Systems for Energy-Efficient Buildings, Cities, and Transportation (BuildSys) (ACM BuildSys ’25) , 2025

2024

  1. CVPR ’24
    MonoSelfRecon: Purely Self-Supervised Explicit Generalizable 3D Reconstruction of Indoor Scenes from Monocular RGB Views
    Runfa Li, Upal Mahbub, Vasudev Bhaskaran, and Truong Nguyen
    In Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR) (CVPR ’24) , 2024
  2. ICRA ’24
    V2CE: Video to Continuous Events Simulator
    Zhongyang Zhang, Shuyang Cui, Kaidong Chai, Haowen Yu, Subhasis Dasgupta, Upal Mahbub, and Tauhidur Rahman
    In 2024 IEEE International Conference on Robotics and Automation (ICRA) (ICRA ’24) , 2024
  3. Book Chapter ’24
    Immersive User Experiences: Trends and Challenges of Using XR Technologies
    Vasudev Bhaskaran, and Upal Mahbub
    In Computer Vision: Challenges, Trends, and Opportunities (Book Chapter ’24) , 2024
  4. Book ’24
    Computer Vision: Challenges, Trends, and Opportunities
    Md Atiqur Rahman Ahad, Upal Mahbub, Matthew Turk, and Richard Hartley
    CRC Press (Book ’24) , 2024

2023

  1. Neurocomputing ’23
    Neuromorphic High-Frequency 3D Dancing Pose Estimation in Dynamic Environment
    Zhongyang Zhang, Kaidong Chai, Haowen Yu, Ramzi Majaj, Francesca Walsh, Edward Wang, Upal Mahbub, Hava Siegelmann, Donghyun Kim, and Tauhidur Rahman
    Neurocomputing (Neurocomputing ’23) , 2023

2022

  1. PRL Editorial ’22
    Advances in human action, activity and gesture recognition
    Upal Mahbub, and Md Atiqur Rahman Ahad
    (PRL Editorial ’22) , 2022
    Website

2021

  1. Book Chapter ’21
    Signal Processing for Contactless Monitoring
    Mohammad Saad Billah, Md Atiqur Rahman Ahad, and Upal Mahbub
    In Contactless Human Activity Analysis (Book Chapter ’21) , 2021
    PDF
  2. Book Chapter ’21
    Contactless human monitoring: challenges and future direction
    Upal Mahbub, Tauhidur Rahman, and Md Atiqur Rahman Ahad
    In Contactless Human Activity Analysis (Book Chapter ’21) , 2021
    PDF
  3. Book ’21
    Contactless Human Activity Analysis
    Md Atiqur Rahman Ahad, Upal Mahbub, and Tauhidur Rahman
    (Book ’21) , 2021
    Website
  4. medRxiv ’21
    Country-level Association of Socioeconomic, Environmental and Healthcare-Related Factors with the Disease-Burden and Mortality Rate of COVID-19
    Tasnuva Chowdhury, Upal Mahbub, and Tauhidur Rahman
    medRxiv (medRxiv ’21) , 2021
    PDF Website
  5. CV4ARVR, ICCV ’21
    DIREG3D: DIrectly REGress 3D Hands from Multiple Cameras
    Ashar Ali, Upal Mahbub, Gökçe Dane, and Gerhard Reitmayr
    In Fifth Workshop on Computer Vision for AR/VR (CV4ARVR), ICCV (CV4ARVR, ICCV ’21) , 2021
    PDF Website

2020

  1. ComCom ’20
    Impact of injection attacks on sensor-based continuous authentication for smartphones
    Lorena Gonzalez-Manzano, Upal Mahbub, Jose M Fuentes, and Rama Chellappa
    Computer Communications (ComCom ’20) , 2020
    PDF

2019

  1. IVC ’19
    Partial face detection in the mobile domain
    Upal Mahbub, Sayantan Sarkar, and Rama Chellappa
    Image and Vision Computing (IVC ’19) , 2019
    PDF
  2. T-Biom ’19
    Continuous authentication of smartphones based on application usage
    Upal Mahbub, Jukka Komulainen, Denzil Ferreira, and Rama Chellappa
    IEEE Transactions on Biometrics, Behavior, and Identity Science (T-Biom ’19) , 2019
    PDF

2018

  1. TAFFC ’18
    Segment-based methods for facial attribute detection from partial faces
    Upal Mahbub, Sayantan Sarkar, and Rama Chellappa
    IEEE Transactions on Affective Computing (TAFFC ’18) , 2018
    PDF
  2. Ph.D. Thesis
    Multi-Modal Active Authentication of Smartphone Users
    Upal Mahbub
    (Ph.D. Thesis) , 2018
    PDF

2017

  1. FG ’17
    Pooling facial segments to face: The shallow and deep ends
    Upal Mahbub, Sayantan Sarkar, and Rama Chellappa
    In 2017 12th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2017) (FG ’17) , 2017
    PDF
  2. arXiv ’17
    UPSET and ANGRI: Breaking high performance image classifiers
    Sayantan Sarkar, Ankan Bansal, Upal Mahbub, and Rama Chellappa
    arXiv preprint arXiv:1707.01159 (arXiv ’17) , 2017
    PDF
  3. Project Report
    Supervised vs. Unsupervised: A Systematic Comparison of Deep Classification Networks
    Upal Mahbub, and Ankan Bansal
    (Project Report) , 2017
    PDF

2016

  1. Best Paper: UEMCON’16
    PATH: Person Authentication using Trace Histories
    Upal Mahbub, and Rama Chellappa
    In The 7th IEEE Annual Ubiquitous Computing, Electronics & Mobile Communication Conference (IEEE UEMCON) (Best Paper: UEMCON’16) , 2016
    PDF Website
  2. BTAS ’16: Best Poster
    Active User Authentication for Smartphones: A Challenge Data Set and Benchmark Results
    Upal Mahbub, Sayantan Sarkar, Vishal M Patel, and Rama Chellappa
    In 8th IEEE International Conference on Biometrics: Theory, Applications, and Systems (BTAS) (BTAS ’16: Best Poster) , 2016
    PDF Website
  3. Google Collab: ICIP’16
    Partial face detection for continuous authentication
    Upal Mahbub, Vishal M Patel, Deepak Chandra, Brandon Barbello, and Rama Chellappa
    In 2016 IEEE international conference on Image processing (ICIP) (Google Collab: ICIP’16) , 2016
    PDF Website
  4. Allerton ’16
    New methods for handling binary constraints.
    Abhay Kumar Yadav, Rajeev Ranjan, Upal Mahbub, and Michael C Rotkowitz
    In Allerton (Allerton ’16) , 2016

2015

  1. AJBET ’15
    Exploiting wavelet and prosody-related features for the detection of voice disorders
    Upal Mahbub, and Celia Shahnaz
    American Journal of Biomedical Engineering & Technology (AJBET ’15) , 2015
  2. Procedia CS ’15
    Human action recognition based on spectral domain features
    Hafiz Imtiaz, Upal Mahbub, Gerald Schaefer, Shao Ying Zhu, and Md Atiqur Rahman Ahad
    Procedia computer science (Procedia CS ’15) , 2015

2014

  1. SIViP ’14
    Action recognition based on statistical analysis from clustered flow vectors
    Upal Mahbub, Hafiz Imtiaz, Md Ahad, and Atiqur Rahman
    Signal, Image and Video Processing (SIViP ’14) , 2014
  2. CSSP ’14
    A single-channel acoustic echo cancellation scheme using gradient-based adaptive filtering
    Upal Mahbub, and Shaikh Anowarul Fattah
    Circuits, Systems, and Signal Processing (CSSP ’14) , 2014
  3. AEE ’14
    Gradient Based Adaptive Algorithm for Echo Cancellation from Recorded Echo Corrupted Speech
    Upal Mahbub, and Shaikh Anowarul Fattah
    Advances in Electrical Engineering (AEE ’14) , 2014
  4. EURASIP JASMP ’14
    Single-channel acoustic echo cancellation in noise based on gradient-based adaptive filtering
    Upal Mahbub, Shaikh Anowarul Fattah, Wei-Ping Zhu, and M Omair Ahmad
    EURASIP Journal on Audio, Speech, and Music Processing (EURASIP JASMP ’14) , 2014
  5. IJICMSIP ’14
    Action Recognition by Exploiting Wavelet Features
    Hafiz Imtiaz, Upal Mahbub, and Md Atiqur Rahman Ahad
    International Journal of Intelligent Computing in Medical Sciences & Image Processing (IJICMSIP ’14) , 2014

2013

  1. PRL ’13
    A template matching approach of one-shot-learning gesture recognition
    Upal Mahbub, Hafiz Imtiaz, Tonmoy Roy, Md Shafiur Rahman, and Md Atiqur Rahman Ahad
    Pattern Recognition Letters (PRL ’13) , 2013
  2. ICIEV ’13
    Temporal segmentation of gestures using gradient orientation of depth images
    Tonmoy Roy, Upal Mahbub, Md Shafiur Rahman, Hafiz Imtiaz, and Md Atiqur Rahman Ahad
    In 2013 International Conference on Informatics, Electronics and Vision (ICIEV) (ICIEV ’13) , 2013
  3. ICIAE ’13
    One-shot-learning gesture recognition using motion history based gesture silhouettes
    Upal Mahbub, Tonmoy Roy, M Shafiur Rahman, Hafiz Imtiaz, Seiichi Serikawa, and Md Atiqur Rahman Ahad
    In Proceedings of the International Conference on Industrial Application Engineering (ICIAE ’13) , 2013
  4. ACPR ’13
    A multi-resolution action recognition algorithm using wavelet domain features
    Hafiz Imtiaz, Upal Mahbub, Gerald Schaefer, and Md Atiqur Rahman Ahad
    In 2013 2nd IAPR Asian Conference on Pattern Recognition (ACPR ’13) , 2013

2012

  1. ICIEV ’12
    Series active power filter implementation using PQ theory
    Arnob Islam, Md Ahsanul Abeed, Md Khurram Monir Rabby, Md Habibur Rahaman, Araf Hossain, Rifat Al Nur, Ashfanoor Kabir, and Upal Mahbub
    In 2012 International Conference on Informatics, Electronics & Vision (ICIEV) (ICIEV ’12) , 2012
  2. SICE ’12
    Gesture recognition with depth images—a simple approach
    Upal Mahbub, Hafiz Imtiaz, Tonmoy Roy, Md Shafiur Rahman, and Md Atiqur Rahman Ahad
    In 2012 Proceedings of SICE Annual Conference (SICE) (SICE ’12) , 2012
  3. ICIEV ’12
    Motion clustering-based action recognition technique using optical flow
    Upal Mahbub, Hafiz Imtiaz, and Md Atiqur Rahman Ahad
    In 2012 International Conference on Informatics, Electronics & Vision (ICIEV) (ICIEV ’12) , 2012
  4. ICIEV ’12
    Fuzzy logic driven adaptive pid controller for pwm based buck converter
    Mamun Rabbani, HM Mesbah Maruf, Tanvir Ahmed, Md Ashfanoor Kabir, and Upal Mahbub
    In 2012 International Conference on Informatics, Electronics & Vision (ICIEV) (ICIEV ’12) , 2012
  5. ISCAS ’12
    Detection of voice disorders based on wavelet and prosody-related properties
    Celia Shahnaz, Shaikh Anowarul Fattah, Upal Mahbub, W-P Zhu, and M Omair Ahmad
    In 2012 IEEE International Symposium on Circuits and Systems (ISCAS) (ISCAS ’12) , 2012
  6. ICECE ’12
    Gradient based adaptive filter algorithm for single channel acoustic echo cancellation in noise
    Upal Mahbub, and Shaikh Anowarul Fattah
    In 2012 7th International Conference on Electrical and Computer Engineering (ICECE ’12) , 2012

2011

  1. Best Paper: ICCIT ’11
    An optical flow based approach for action recognition
    Upal Mahbub, Hafiz Imtiaz, and Md Atiqur Rahman Ahad
    In 14th international conference on computer and information technology (ICCIT 2011) (Best Paper: ICCIT ’11) , 2011
  2. SICE ’11
    Action recognition algorithm based on optical flow and RANSAC in frequency domain
    Hafiz Imtiaz, Upal Mahbub, and Md Atiqur Rahman Ahad
    In SICE Annual Conference 2011 (SICE ’11) , 2011
  3. PECI ’11
    Synchronous detection and digital control of shunt active power filter in power quality improvement
    Md Ashfanoor Kabir, and Upal Mahbub
    In 2011 IEEE Power and Energy Conference at Illinois (PECI ’11) , 2011
  4. CVPR ’11
    An optical flow-based action recognition algorithm
    Upal Mahbub, Hafiz Imtiaz, and Md Atiqur Rahman Ahad
    In IEEE conference on computer vision and pattern recognition (CVPR ’11) , 2011
  5. MS Thesis ’11
    Acoustic echo and noise cancellation schemes using time and frequency domain adaptive techniques
    Upal Mahbub, and others
    (MS Thesis ’11) , 2011

2010

  1. ICCCCT ’10
    An adaptive noise cancellation scheme using particle swarm optimization algorithm
    Upal Mahbub, Celia Shahnaz, and Shaikh Anowarul Fattah
    In 2010 International Conference on Communication Control and Computing Technologies (ICCCCT ’10) , 2010
  2. ICECE ’10
    A time domain approach of acoustic echo cancellation based on particle swarm optimization
    Upal Mahbub, Partha Pratim Acharjee, and Shaikh Anowarul Fattah
    In International Conference on Electrical & Computer Engineering (ICECE 2010) (ICECE ’10) , 2010
  3. TENCON ’10
    An acoustic echo cancellation scheme based on particle swarm optimization algorithm
    Upal Mahbub, Partha Pratim Acharjee, and Shaikh Anowarul Fattah
    In TENCON 2010-2010 IEEE Region 10 Conference (TENCON ’10) , 2010

2009

  1. ISIEA ’09
    FPGA implementation of real time acoustic noise suppression by spectral subtraction using dynamic moving average method
    Upal Mahbub, Tauhidur Rahman, and ABMH Rashid
    In 2009 IEEE Symposium on Industrial Electronics & Applications (ISIEA ’09) , 2009
    PDF

Patents

A selection of my granted U.S. patents is listed below. For the full, up-to-date list, follow this Link.

2026

  1. US Patent 12,519,626
    Joint Watermarking of Neural Network Weights and Output
    Upal Mahbub, Pirazh Khorramshahi, Adithya Reddy Nallabolu, and Gokce Dane
    (US Patent 12,519,626) , 2026

2025

  1. US Patent 12,212,859
    Low-Power Fusion for Negative Shutter Lag Capture
    Wesley James Holland, Micha Galor Gluskin, Venkata Ravi Kiran Dayana, Upal Mahbub, and Scott Barker
    (US Patent 12,212,859) , 2025

2024

  1. US Patent 12,073,611
    Apparatus and Methods for Object Detection Using Machine Learning Processes
    Upal Mahbub, and Gokce Dane
    (US Patent 12,073,611) , 2024
  2. US Patent 11,877,048
    Camera Initialization for Reduced Latency
    Wesley James Holland, Upal Mahbub, Venkata Ravi Kiran Dayana, and Rengaraj Thirupathi
    (US Patent 11,877,048) , 2024
  3. US Patent 12,112,569
    Multi-Stage Neural Network Process for Keypoint Detection in an Image
    Upal Mahbub, Rakesh Nattoji Rajaram, and Vasudev Bhaskaran
    (US Patent 12,112,569) , 2024

2023

  1. US Patent 11,800,242
    Low-Power Fusion for Negative Shutter Lag Capture
    Wesley James Holland, Micha Galor Gluskin, Venkata Ravi Kiran Dayana, Upal Mahbub, and Scott Barker
    (US Patent 11,800,242) , 2023
  2. US Patent 11,769,263
    Three-Dimensional Scan Registration with Deformable Models
    Samuel Sunarjo, Gokce Dane, and Upal Mahbub
    (US Patent 11,769,263) , 2023
  3. US Patent 11,748,913
    Modeling Objects from Monocular Camera Outputs
    Ashar Ali, Gokce Dane, Upal Mahbub, Samuel Sunarjo, and Gerhard Reitmayr
    (US Patent 11,748,913) , 2023
  4. US Patent 11,710,344
    Compact Encoded Heat Maps for Keypoint Detection Networks
    Upal Mahbub, Rakesh Nattoji Rajaram, and Vasudev Bhaskaran
    (US Patent 11,710,344) , 2023

2022

  1. US Patent 11,381,743
    Region of Interest Capture for Electronic Devices
    Upal Mahbub, Daniel James Guest, Walker Curtis, and Ananthapadmanabhan Arasanipalai Kandhadai
    (US Patent 11,381,743) , 2022
  2. US Patent 11,256,956
    Multi-Stage Neural Network Process for Keypoint Detection in an Image
    Upal Mahbub, Rakesh Nattoji Rajaram, and Vasudev Bhaskaran
    (US Patent 11,256,956) , 2022