Assistant Professor, Indian Institute of Technology, Gandhinagar (Jul 2015 to present)
Associate Professor, Graphic Era University, Dehradun (Sep 2012 -Jul 2015)
Postdoctoral Research Associate, Purdue University, USA (Sep 2009 - Aug 2012)
Graduate Research Assistant, School of Electrical and Computer Engineering, Purdue University, USA (Jan 2006 - Sep 2009)
Graduate Teaching Assistant, Purdue University, USA (Aug 2005 - Dec 2005)
Research Assistant, Multimedia lab, Electrical Engineering, IIT Delhi (May 2005 - July 2005)
Summer Intern, IBM-India Research Lab, Delhi (May 2004 - July 2004)
Selected Recent Publications
F. Zhu, M. Bosch, N. Khanna, C. J. Boushey, and E. J. Delp, “Multiple Hypotheses Image Segmentation and Classification with Application to Dietary Assessment,” IEEE Journal of Biomedical and Health Informatics, vol. 19, no. 1, pp. 377-388, January 2015.
H. E. Miller, N. Khanna, C. J. Boushey, S. Gelfand, and E. J. Delp, “Temporal dietary patterns derived among US adults using NHANES 1999-2004 are associated with diet quality,” Journal of the Academy of Nutrition and Dietetics (JAND), Elsevier, Date of acceptance: May 2015.
P.-J. Chiang, N. Khanna, A. K. Mikkilineni, M. V. O. Segovia, S. Suh, J. P. Allebach, G. T. C. Chiu, and E. J. Delp, “Printer and scanner forensics,” IEEE Signal Processing Magazine, vol. 26, no. 2, pp. 72-83, March 2009.
N. Khanna, A. K. Mikkilineni, and E. J. Delp, “Scanner identification using feature-based processing and analysis,” IEEE Transactions on Information Forensics and Security, vol. 4, no. 1, pp. 123-139, March 2009.
Z. Ahmad, N. Khanna, D. A. Kerr, C. J. Boushey, and E. J. Delp, “A Mobile Phone User Interface for Image-based Dietary Assessment,” Proceedings of Electronic Imaging - Mobile Devices and Multimedia: Enabling Technologies, Algorithms, and Applications (IS&T/SPIE), pp. 903007-1-9, California, USA, February, 2014.