Dr. Mohammad Zaheer Ansari
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Dr. Mohammad Zaheer Ansari

Post Doctoral Fellow
Cochin University of Science and TechnologyInternational School of Photonics, Kochi, Kerala, India

Highest Degree
Ph.D. in Applied Physics from Indian Institute of Technology (Indian School of Mines), Dhanbad, India

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Biography

Dr. Md Zaheer Ansari is working as a Post Doctoral Fellow in the Cochin University of Science and Technology, India. He received his Ph.D. in Applied Physics from the Indian Institute of Technology (Indian School of Mines), Dhanbad, India. His research interests include laser speckle imaging, Dynamic Laser Speckle. His credentials include over 27 Research Papers in peer-reviewed Journals.


Area of Interest:

Physical Science Engineering
100%
Speckle Metrology
62%
Laser Speckle Imaging
90%
Biomedical Optics
75%
Optical Image Processing
55%

Research Publications in Numbers

Books
1
Chapters
2
Articles
27
Abstracts
6

Selected Publications

  1. Ansari, M.Z. and A. Mujeeb, 2019. Application of temporal correlation algorithm to interpret laser doppler perfusion imaging. Lasers Med. Sci., 34: 1929-1933.
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  2. Retheesh, R., M.Z. Ansari, P. Radhakrishnan and A. Mujeeb, 2018. Application of qualitative biospeckle methods for the identification of scar region in a green orange. Mod. Phys. Lett. B, Vol. 32. 10.1142/s0217984918501130.
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  3. Retheesh, R., D. Thomas, M.Z. Ansari, B. Varghese, P. Radhakrishnan and A. Mujeeb, 2018. Application of laser biospeckle technique for the analysis of artificially introduced local dynamics in apple fruit. Laser Phys., Vol. 28. 10.1088/1555-6611/aad92d.
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  4. Ansari, M.Z., A. Mujeeb and A.K. Nirala, 2018. Assessment of biological leaf tissue using biospeckle laser imaging technique. Laser Phys., Vol. 28. 10.1088/1555-6611/aab65c.
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  5. Ansari, M.Z. and A. Mujeeb, 2018. Modeling of laser speckles of heterogeneous dynamics in drying and aging paint dispersions using a view-based temporal template method. Laser Phys., Vol. 28. 10.1088/1555-6611/aabed4.
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  6. Samuel, B., R. Retheesh, M.Z. Ansari, V.P.N. Nampoori, P. Radhakrishnan and A. Mujeeb, 2017. Cross-correlation and time history analysis of laser dynamic specklegram imaging for quality evaluation and assessment of certain seasonal fruits and vegetables. Laser Phys., Vol. 27. 10.1088/1555-6611/aa8283.
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  7. Ansari, M.Z., E.J. Kang, M.D. Manole, J.P. Dreier and A. Humeau-Heurtier, 2017. Monitoring microvascular perfusion variations with laser speckle contrast imaging using a view-based temporal template method. Microvascular Res., 111: 49-59.
  8. Ansari, M.Z., E.J. Kang, M.D. Manole, J.P. Dreier and A. Humeau-Heurtier, 2017. Monitoring microvascular perfusion variations with laser speckle contrast imaging using a view-based temporal template method. Microvasc. Res., 111: 49-59.
    CrossRef  |  Direct Link  |  
  9. Ansari, M.Z. and A. Mujeeb, 2017. Application of motion history image (MHI) on dynamic fluorescent imaging for monitoring cerebral ischemia induced by occlusion of middle cerebral artery (MCA) in mouse brain. Biomed. Spectrosc. Imaging, 6: 135-142.
    CrossRef  |  Direct Link  |  
  10. Ansari, M.Z., L.C. da Silva, J.V.P. da Silva and A.M. Deana, 2016. Modelling laser speckle photographs of decayed teeth by applying a digital image information technique. Laser Phys., Vol. 26. 10.1088/1054-660X/26/9/095602/meta.
    CrossRef  |  Direct Link  |  
  11. Ansari, M.Z., H.C. Grassi, H. Cabrera, A. Velasquez and E.D. Andrades, 2016. Online fast Biospeckle monitoring of drug action in Trypanosoma cruzi parasites by motion history image. Lasers Med. Sci., 31: 1447-1454.
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  12. Ansari, M.Z., H.C. Grassi, H. Cabrera and E.D.J. Andrades, 2016. Real time monitoring of drug action on T. cruzi parasites using a biospeckle laser method. Laser Phys., Vol. 26. 10.1088/1054-660X/26/6/065603/meta.
    CrossRef  |  Direct Link  |  
  13. Ansari, M.Z., H. Cabrera and E.E. Ramirez-Miquet, 2016. Imaging functional blood vessels by the Laser Speckle Imaging (LSI) technique using Q-statistics of the generalized differences algorithm. Microvasc. Res., 107: 46-50.
    CrossRef  |  Direct Link  |  
  14. Ansari, M.Z., E.E. Ramirez-Miquet, I. Otero, D. Rodriguez and J.G. Darias, 2016. Real time and online dynamic speckle assessment of growing bacteria using the method of motion history image. J. Biomed. Opt., Vol. 21. 10.1117/1.JBO.21.6.066006.
    CrossRef  |  Direct Link  |  
  15. Ansari, M.Z., A. Humeau-Heurtier, N. Offenhauser, J.P. Dreier and A.K. Nirala, 2016. Visualization of perfusion changes with laser speckle contrast imaging using the method of motion history image. Microvasc. Res., 107: 106-109.
    CrossRef  |  PubMed  |  
  16. Ansari, M.Z. and A.K. Nirala, 2016. Biospeckle numerical assessment followed by speckle quality tests. Optik Int. J. Light Electr. Opt., 127: 5825-5833.
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  17. Ansari, M.Z. and A.K. Nirala, 2016. Assessment of biospeckle activity of lemon fruit. Agric. Eng. Int. CIGR J., 18: 190-200.
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  18. Minz, P.D., M.Z. Ansari and A.K. Nirala, 2015. Effect of antibrowning agents on fresh-cut potato tubers using frequency filtering of biospeckle images. Laser Phys., Vol. 25. 10.1088/1054-660X/25/5/055601/meta.
    CrossRef  |  Direct Link  |  
  19. Ansari, M.Z. and A.K. Nirala, 2015. Quantification of drying of white versatile glue (Fevicol) via dynamic speckle measurement. J. Applied Phys. Sci. Int., 4: 152-159.
  20. Ansari, M.Z. and A.K. Nirala, 2015. Monitoring capillary blood flow using laser speckle contrast analysis with spatial and temporal statistics. Optik-Int. J. Light Electr. Opt., 126: 5224-5229.
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  21. Ansari, M.Z. and A.K. Nirala, 2015. Following the drying process of Fevicol (adhesive) by dynamic speckle measurement. J. Opt., 45: 357-363.
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  22. Ansari, M.Z. and A.K. Nirala, 2015. Biospeckle assessment of torn plant leaf tissue and automated computation of Leaf Vein Density (LVD). Eur. Phys. J. Applied Phys., Vol. 70. 10.1051/epjap/2015150013.
    CrossRef  |  Direct Link  |  
  23. Ansari, M.Z. and A.K. Nirala, 2015. Assessment of fevicol (adhesive) drying process through dynamic speckle techniques. AIMS Bioeng, 2: 49-59.
  24. Ansari, M.Z. and A.K. Nirala, 2014. Assessment of fruits during shelf-life storage using biospeckle laser. Agric. Eng. Int. CIGR J., 16: 223-229.
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  25. Ansari, M.Z. and A.K. Nirala, 2013. Biospeckle activity measurement of Indian fruits using the methods of cross-correlation and inertia moments. Optik-Int. J. Light Electr. Opt., 124: 2180-2186.
    CrossRef  |  Direct Link  |  
  26. Ansari, M.Z. and A.K. Nirala, 2013. Assessment of bio-activity using the methods of inertia moment and absolute value of the differences. Optik-Int. J. Light Electr. Opt., 124: 512-516.
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