Lab for Imaging Sciences and Algorithms

PhD  

• Akash Mondol (EE, '24 -).

• Debraj Banerjee (EE, '23 -).

MTech (Research)

• Mantavya Gupa (EE, '26 -).

Alumni

• Arghya Sinha (PhD, '21 - '26).

• Debarghya Nandi (MTech, SP, '24 - '26).

• Bhaskar Karol (MTech, SP, '24 - '26).

• G Pavithra (MTech, AI, '24 - '26).

• Sagar Kumar (MTech Research, '22 - 25).

• Trishit Mukherjee (MTech, AI, '23 - '25).

• Arnab Dey (MTech, AI, '23 - '25).

• Aditya Banerjee (MTech, AI, '23 - '25).

• Shraddha Chavan (MTech, AI, '23 - '25).

• Abhigyan Martin Ninama (MTech, AI, '23 - '25).

• Jayesh Kumar Jaiswal (MS Project, IISc, '23 - '24)

• Dr Saugata Purkayastha (Postdoc, '23 - '24).  

• Niladri Das (PhD, '14 - '24).

• Bhartendu Kumar (MTech, AI, '21 - '23).

• Tejas Govind (MTech, AI, '21 - '23). 

• Dr Chirayu Athalye (INSPIRE postdoc, '17 - '23).

• Unni V S (PhD, '16 - '22).

• Ruturaj Girish Gavaskar (PhD, '18 - '22).

• Nair Pravin Ramachandran (PhD, '18 - '22).      

• Saankhya Subrata Mondal  (MTech, AI, '20 - '22).

• Anirudh Singh  (MTech Research, '18 - '21).

• Subham Kumar Pandey (UG Math, '20 - '21).

• Hari Govid Shrawgi (MTech, AI, '19 - '21 ).

• Shraddha Pandey (MTech, AI,  '19 - '21 ).

• Sanjay Ghosh (PhD, '14 -'19).

• Aditya Vikram Singh  (MTech Research, '16 - '19).

• Ruturaj Girish Gavaskar (MTech Research, '16 - '18).     

• Sk Miraj Ahmed (MSc Research, '15 - '18).

• Nair Pravin Ramachandran (MSc Research, '15 - '18).

• Rajat Sanyal (MSc Research, '14 - '17).

• Dr Monika Jaiswal (NBHM postdoc, '15 - '17).

• Debashisha Panda (ME, Signal Processing, '16 - '17).

• Shouvik Das (ME, System Science and Automation, '16 - '17).

• Guguloth Swathi (ME, System Science and Automation, '16 - '17).

• Mousumi Saha (ME, System Science and Automation, '16 - '17).

• Satyajit Naik (ME, System Science and Automation, '16 - '17).

• Swapnil Dabhade (ME, System Science and Automation, '15 - '16).

• Naresh Kalisetty (ME, Signal Processing, '15 - '16).

• Vinith Kumar (ME, System Science and Automation, '14 - '15).

• Amit Mandal (ME, System Science and Automation, '14 - '15).

Interns & Project Assistants

• Debarghya Nandi (IISc, '25 - '26).

• Soumyajit Pal (JU, '26).

• Nikhil Sah (JU, '26).

• Trishit Mukherjee (IISc, '25 - '27).

• Sayan Tapadar (IIT-KGP, '24).

• Shakya Majumdar (JU, '24).

• Keya Battu (IIT-KGP, '24).

• Anirud N (IITM, '23).

• Chandra Prakash (IIT-ISM, '23).

• Srijith Radhakrishnan (MIT Manipal, '22).

• Sohini Gupta (IIT KGP, '22).

• Piyush Kumar (IIT Bombay, '21).

• Atishna Samantaray (IIEST, '21).

• Sarosij Bose (Calcutta University, '21).

• Akshi (IIIT Bangalore, '18).

• Jai Kishan (IIT Roorkee, '18).

• Manu Maheshwari (IIT KGP, '18).

• Garvit Mohata (IIT BHU, '18).

• Radhika Pai (NIT Surathkal, '18).

• Anmol Popli (IIT Roorkee, '17).

• S Suhas (IIST Trivandrum, '17 - 18').

• Ronak Chaudhary (IIT Hyderabad, '16 - '17).

• Sonali Naik (NIT Surathkal, '16).

• Naveen Kumar Tripathi (IIT Guwahati, '16).

• Anand Gopalakrishnan (NIT Hassan, '14).

• Kollipara Rithwik (IIT Hyderabad, '14, '15).

• Muralidharan Deepak (SSN College of Engineering, '14).

News

• Congratulations to MTech (SP) topper Debarghya Nandi on receiving the Prof. I. S. N. Murthy Medal!

•  Received a three-year Advanced Research Grant from ANRF, Government of India.

• Sagar is through with his MTech (Research) oral exam. Congratulations!

• Received the Power Grid Center-of-Excellence grant for research on power-grid security.

• Congratulations, Arghya, for winning the Qualcomm Innovation Fellowship 2025-2026!

• Arghya gets the Outstanding TA Award for my course Linear Algebra and its Applications. Well done!

• Congratulations, Niladri, on successfully defending your PhD thesis! 

• Akash (former MTech AI) and Debraj (former MTech SP) join as PhD students. Welcome aboard!

• Dr. Nair and Dr. Ghosh (alumni from our lab) join IIT-Madras and IIT-Kharagpur as faculty. Congratulations!

• Pravin Nair is selected for the best PhD thesis award. Congratulations!

• Saankhya Subrata Mondal is awarded the MTech (AI) Gold Medal. Kudos!

• Dr Chirayu Athalye joins BITS Pilani (Goa campus) as an Assistant Professor. Congratulations!

• Congratulations, Pravin, Unni, and Ruturaj, for successfully defending your thesis.

• Arghya has been awarded the prestigious PMRF PhD fellowship. Congratulations!

• Hari is awarded the MTech (AI) Gold Medal. Hearty congratulations!

• SERB-STAR award from the DST Govt. of India for research excellence.

• Hari, who did his MTech project in our group, tops MTech (AI) with a 9.8 CGPA. Kudos!

• Anirudh is through with his MTech (Research) thesis defense. Congratulations!

• Core Research Grant from DST-SERB for computational imaging algorithms.

• Research grant from ISRO-IISc STC for hyperspectral imaging.

• Anirudh is selected for the PMRF fellowship. Congratulations!

• Ruturaj wins the Hay Medal for best MTech (Research) thesis in EE. Congratulations!

• Pravin was awarded the IEEE SPS Travel Grant for attending ICASSP 2020 in Barcelona.

• Congratulations, Dr Sanjay, for successfully defending your dissertation!

• Sanjay's PhD thesis makes it to the Doctoral Consortium at Siggraph Asia 2019.

• Sanjay was awarded a travel grant from IISc to travel to Taiwan for ICIP 2019. 

• Sanjay's PhD thesis was nominated for 3MT (3-minute oration) at IEEE ICIP 2019.

• Aditya gets the coveted PMRF Fellowship. Congratulations!

• Sanjay is moving to the University of Iowa as a post-doctoral fellow. 

• Aditya is through with his oral thesis defense. Congratulations!

• MATRICS grant from DST-SERB for research on mathematical optimization.

• We won the best paper award at IEEE GlobalSIP 2018. Congratulations Unni and Sanjay! 

• Sanjay was awarded travel grants from SERB and IEEE SPS for attending GlobalSIP 2018.

• Miraj successfully defended his MSc (Engg) thesis. Congratulations!

• Unni was awarded the IEEE SPS Travel Grant for attending IEEE ICIP 2018.

• Anirudh Singh has joined the research group.

• Ruturaj is through with his oral thesis defense. Congratulations!

• Miraj, who just submitted his MSc (Engg) thesis, is joining UCR for a PhD. Congratulations!

• Ruturaj has (re)joined as a PhD student after submitting his MSc thesis. 

• Pravin is done with the oral thesis defense. Congratulations!

• Niladri received a travel stipend for attending ENC 2018 in Florida.

• Dr. Chirayu has been awarded the DST INSPIRE fellowship. Congratulations!

• Pravin has (re)joined as a PhD student after submitting his MSc thesis. 

• Rajat is done with his oral thesis defense. Congratulations!

• Sanjay received a generous travel grant from SPCOM for attending ICIP 2017 in Beijing.

• Pavan, who is with TCS Innovation Lab, has joined the research group. 

• Aditya, Ruturaj, and Unni have joined the research group.

• Sanjay was awarded the IEEE SPS Travel Grant for attending ICIP 2016 in Arizona.

PhD Theses

• A Divide-and-Conquer Distance-Geometry Method for Modeling Protein Structures from NMR Spectroscopy (Niladri Das, '24).

• Provably Convergent Algorithms for Denoiser Driven Image Regularization (Pravin Nair, '22).   (best thesis award)

• On Plug-And-Play Regularization Using Linear Denoisers (Ruturaj Gavaskar, '22).

• Efficient and Convergent Algorithms for High-Fidelity Hyperspectral Image Fusion (Unni VS, '22).

• Kernel-Based Image Filtering: Fast Algorithms and Applications (Sanjay Ghosh, '19).

Masters (Research) Theses

• Lipschitz Regularization of Convolutional Neural Networks (Anirudh Singh, '21).

• Theoretical and Algorithmic Aspects of Rigid Registration (Aditya Singh, '19).

• A Fast Constant-Time Approximation for Locally Adaptive Bilateral Filtering (Ruturaj Gavaskar, '18).   (best thesis award)

• Fast High-Dimensional Filtering (Pravin Nair, '18).

• Multiview Registration using Rank-Constrained Semidefinite Programming (Sk Miraj Ahmed, '18).

• On a Divide-and-Conquer Approach for Sensor Network Localization (Rajat Sanyal, '17).