High-speed quantile-based histogram equalisation for brightness preservation and contrast enhancement. - Mayank Tiwari 005; Bhupendra Gupta; Manish Shrivastava 004 (IET Image Process., 2015)

A tool supported approach for brightness preserving contrast enhancement and mass segmentation of mammogram images using histogram modified grey relational analysis. - Bhupendra Gupta; Mayank Tiwari 005 (Multidimens. Syst. Signal Process., 2017)

Performance Improvement of Image Enhancement Methods Using Statistical Moving Average Histogram Modification Filter. - Mayank Tiwari 005; Bhupendra Gupta; Subir Singh Lamba (ICDSP, 2018)

Maximum Absolute Relative Differences Statistic for Removing Random-Valued Impulse Noise from Given Image. - Mayank Tiwari 005; Bhupendra Gupta (Circuits Syst. Signal Process., 2018)

Improving source camera identification performance using DCT based image frequency components dependent sensor pattern noise extraction method. - Bhupendra Gupta; Mayank Tiwari 005 (Digit. Investig., 2018)

Improving Performance of Source-Camera Identification By Suppressing Peaks and Eliminating Low-Frequency Defects of Reference SPN. - Bhupendra Gupta; Mayank Tiwari 005 (IEEE Signal Process. Lett., 2018)

Visibility improvement and mass segmentation of mammogram images using quantile separated histogram equalisation with local contrast enhancement. - Bhupendra Gupta; Mayank Tiwari 005; Subir Singh Lamba (CAAI Trans. Intell. Technol., 2019)

An Efficient Approach to Restore Naturalness of Non-uniform Illumination Images. - Utkarsh Goel; Bhupendra Gupta; Mayank Tiwari 005 (Circuits Syst. Signal Process., 2019)

Color retinal image enhancement using luminosity and quantile based contrast enhancement. - Bhupendra Gupta; Mayank Tiwari 005 (Multidimens. Syst. Signal Process., 2019)

A software supported image enhancement approach based on DCT and quantile dependent enhancement with a total control on enhancement level - DCT-Quantile. - Mayank Tiwari 005; Subir Singh Lamba; Bhupendra Gupta (Multim. Tools Appl., 2019)

An alternative approach to preserve naturalness with non-uniform illumination estimation for images enhancement using normalized (L_2 ) -Norm based on Retinex. - Shailendra Kumar Tripathi; Bhupendra Gupta; Mayank Tiwari 005 (Multidimens. Syst. Signal Process., 2020)