Journals

• Purvi A. Koringa, and Suman K. Mitra, ONPPn: Orthogonal Neighborhood Preserving Projection with Normalization and its applications, "Image and Vision Computing", 76(), pp. 64-75, August, 2018.
• Purvi A. Koringa and Suman K. Mitra, L1-norm orthogonal neighbourhood preserving projection and its applications, "Pattern Analysis and Applications", 22(4), pp. 1481-1492, November, 2019.

Conferences

• Vaidehi S Khalpada; Purvi A. Koringa and Suman K Mitra, "Document representation using extended locality preserving indexing, " In  2019 IEEE 16th India Council International Conference, INDICON 2019 - Symposium Proceedings, Rajkot, India, 13-15 December, 2019.
• Nishi Doshi, Purvi A. Koringa and Ranendu Ghosh, "Geometric and radiometric assessment of sentinel-2A and sentinel-2B sensors, " In Proceedings of 2020 7th International Conference on Signal Processing and Integrated Networks, SPIN 2020, Noida, India, 27-28 February, 2020.
• Luv Patel, Kush Patel, Purvi A. Koringa and Suman K. Mitra, "Scene-Change Detection using Locality Preserving Projections, " In IEEE Applied Signal Processing Conference (ASPCON 2018), Kolkata, India, 7-9 December, 2018.
• Purvi A. Koringa and Suman K. Mitra, "Class Similarity Based Orthogonal Neighborhood Preserving Projections for Image Recognition, " In 13th International Conference, Combinatorial Optimization and Applications, COCOA 2019, Xiamen, China, 13-15 December, 2019.
• Purvi A. Koringa and Suman K. Mitra, "Orthogonal Neighborhood Preserving Projection using L1-norm Minimization, " In Proceedings of the 6th International Conference on Pattern Recognition Applications and Methods (ICPRAM 2017), Porto, Portugal, 24-27 February, 2017.
• Ishani Joshi; Purvi A. Koringa and Suman K. Mitra, "Word embeddings in low resource Gujarati language, " In  2019 International Conference on Document Analysis and Recognition Workshops, ICDARW 2019, Sydney, Australia, 21-22 September, 2019.
• Purvi A. Koringa, Gitam Shikkenawis, Suman K. Mitra, and S. K. Parulkar, "Modified Orthogonal Neighborhood Preserving Projection for Face Recognition, " In International Conference on Pattern Recognition and Machine Intelligence (PReMI 2015), Warsaw, Poland, 30 June- 3 July, 2015.
• Sujata, Purvi A. Koringa and Suman K. Mitra, "CS-ONPP: Class Similarity Based ONPP for the Modular Facial Expression Recognition, " In Communications in Computer and Information Science, India, Panaji, 5-6 December, 2020.

book chapters

• Anjali Diwan, Purvi A. Koringa, Anil K. Roy, and Suman K. Mitra, "Neighbourhood Projection Embedding Based Image Tampering Detection and Localization", In Babu, R.V., Prasanna, M., Namboodiri, V.P. (ed.), Springer, Singapore, pp. 387–396, ISBN: 978-981-15-8697-2.
• Purvi A. Koringa, Suman K. Mitra, and Vijayan K. Asari, "Handling Illumination Variation: A Challenge for Face Recognition", In Raman, B., Kumar, S., Roy, P., Sen, D. (ed.), Springer, Singapore, pp. 273–283, ISBN: 978-981-10-2107-7.