Modified Orthogonal Neighborhood Preserving Projection for Face Recognition. - Purvi A. Koringa; Gitam Shikkenawis; Suman K. Mitra; S. K. Parulkar (PReMI, 2015)

Handling Illumination Variation: A Challenge for Face Recognition. - Purvi A. Koringa; Suman K. Mitra; Vijayan K. Asari (CVIP (2), 2016)

Orthogonal Neighborhood Preserving Projection using L1-norm Minimization. - Purvi A. Koringa; Suman K. Mitra (ICPRAM, 2017)

ONPPn: Orthogonal Neighborhood Preserving Projection with Normalization and its applications. - Purvi A. Koringa; Suman K. Mitra (Image Vis. Comput., 2018)

Word Embeddings in Low Resource Gujarati Language. - Ishani Joshi; Purvi A. Koringa; Suman K. Mitra (WML@ICDAR, 2019)

Class Similarity Based Orthogonal Neighborhood Preserving Projections for Image Recognition. - Purvi A. Koringa; Suman K. Mitra (PReMI (1), 2019)

L1-norm orthogonal neighbourhood preserving projection and its applications. - Purvi A. Koringa; Suman K. Mitra (Pattern Anal. Appl., 2019)