Nisarg Raval

Research:

I am broadly interested in data privacy, machine learning and mobile systems with a focus on developing utility aware privacy solutions to protect user data.

Publications:

• Permissions Plugins as Android Apps, Nisarg Raval, Ali Razeen, Ashwin Machanavajjhala, Landon P. Cox, Andrew Warfield, MobiSys 2019.


• Olympus: Sensor Privacy through Utility Aware Obfuscation, Nisarg Raval, Ashwin Machanavajjhala, Jerry Pan, PoPETS 2019.


• ePrivateEye: To the Edge and Beyond!, Christopher Streiffer, Animesh Srivastava, Victor Orlikowski, Yesenia Velasco, Vincentius Martin, Nisarg Raval, Ashwin Machanavajjhala, Landon P. Cox, SEC 2017.


• Protecting Visual Secrets using Adversarial Nets, Nisarg Raval, Ashwin Machanavajjhala, Landon Cox, CVPR Workshop 2017.


• On Methods for Privacy-Preserving Energy Disaggregation, Ye Wang, Nisarg Raval, Prakash Ishwar, Mitsuhiro Hattori, Takato Hirano, Nori Matsuda, Rina Shimizu, ICASSP 2017.


• A Demonstration of VisDPT: Visual Exploration of Differentially Private Trajectories, Xi He, Nisarg Raval, Ashwin Machanavajjhala, VLDB 2016.
  [Best Demo Award]


• What You Mark is What Apps See, Nisarg Raval, Animesh Srivastava, Ali Razeen, Kiron Lebeck, Ashwin Machanavajjhala and Landon Cox, MobiSys 2016.
  [Press], [Video]


• MarkIt: Privacy Markers for Protecting Visual Secrets, Nisarg Raval, Animesh Srivastava, Kiron Lebeck, Landon Cox and Ashwin Machanavajjhala, UPSIDE, UBICOMP Workshop 2014.


• Efficient Evaluation of SVM Classifiers Using Error Space Encoding, Nisarg Raval, Rashmi Tonge, C. V. Jawahar, ICPR 2014.


• Image Retrieval using Eigen Queries, Nisarg Raval, Rashmi Tonge, C. V. Jawahar, ACCV 2012.


• Privacy Preserving Outlier Detection Using Locality Sensitive Hashing, Nisarg Raval, Madhuchand Rushi Pillutla, Piyush Bansal, Kannan Srinathan, C.V. Jawahar, PADM, ICDM Workshop 2011.


• LSH based Outlier Detection and its Application in Distributed Setting, Madhuchand Rushi Pillutla, Nisarg Raval, Piyush Bansal, Kannan Srinathan, C.V. Jawahar, CIKM 2011.

Patents:

• Method and Systems using Privacy-Preserving Analytics for Aggregate Data, Ye Wang, Nisarg Raval, Prakash Ishwar, US Patent Pending, 15/394,929.