Dr. Veena Singh Profile

Dr. Veena Singh

Research Associate at Indian Institute of Technology Delhi

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Author

Publications (14)

Proceedings Article | 6 March 2023 Presentation + Paper

Analysis of early-stage breast cancer using smartphone-based fluorescence imaging and spectroscopy during intra-operative procedure

Pramila Thapa, Veena Singh, Komal Gupta, Anurag Srivastava, Dalip Singh Mehta

Proceedings Volume 12373, 1237308 (2023) https://doi.org/10.1117/12.2650083

KEYWORDS: Tissues, Fluorescence, Breast cancer, Fluorescence spectroscopy, Fluorescence intensity, Fluorescence imaging, Natural surfaces, Spectroscopy, Emission wavelengths, Tumors

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Proceedings Article | 7 December 2021 Paper

Field portable grin-lens based micro-endoscopic system with oblique-illumination for cancer screening

Pramila Thapa, Sunil Bhatt, Veena Singh, Shilpa Tayal, Priyanka Mann, Anurag Shrivastava, Dalip Singh Mehta

Proceedings Volume 11919, 119192H (2021) https://doi.org/10.1117/12.2615060

KEYWORDS: Cancer, Tissues, Luminescence, GRIN lenses, Breast, Optical fibers, Lung cancer, Colorectal cancer, Semiconductor lasers, Imaging systems

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Proceedings Article | 7 December 2021 Paper

White light interference microscopy and cell counting with wide field of view

Priyanka Mann, Shilpa Tayal, Veena Singh, Pramila Thapa, Dalip Singh Mehta

Proceedings Volume 11919, 1191924 (2021) https://doi.org/10.1117/12.2615021

KEYWORDS: Phase shifting, Objectives, Microscopy, Hough transforms, Ferroelectric materials, Refractive index, Light sources, Interferometry, Beam splitters, Temporal coherence

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Proceedings Article | 7 December 2021 Paper

Development of multi-modal system for quantitative phase and fluorescence imaging of osteo cancer cells

Shilpa Tayal, Veena Singh, Tejinder Kaur, Neetu Singh, Dalip Singh Mehta

Proceedings Volume 11919, 1191923 (2021) https://doi.org/10.1117/12.2615020

KEYWORDS: Luminescence, Light sources, Imaging systems, Microscopes, Cancer, Sodium, Interferometers, Helium neon lasers, CCD cameras, Silicon

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Proceedings Article | 21 February 2020 Presentation + Paper

Field-portable multi-modal chip-based fluorescence, bright field and quantitative phase microscopy using smartphone detecting system

Dalip Singh Mehta, Shilpa Tayal, Anuj Saxena, Veena Singh, Vishesh Kumar Dubey

Proceedings Volume 11230, 112300A (2020) https://doi.org/10.1117/12.2546258

KEYWORDS: Phase imaging, Biomedical optics and medical imaging, Microscopy, Interferometers, Microscopes, Waveguides, Tissues, Light emitting diodes, Objectives, Breast

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Proceedings Article | 20 February 2020 Presentation + Paper

Speckle-free quantitative phase microscopy using pseudo-thermal light source for label-free imaging of biological cells and tissues with high temporal phase stability and spatial phase sensitivity

Dalip Singh Mehta, Veena Singh, Shilpa Tayal, Sunil Bhatt, Vishesh Kumar Dubey

Proceedings Volume 11251, 112511V (2020) https://doi.org/10.1117/12.2543982

KEYWORDS: Light sources, Interferometers, Microscopy, Shearing interferometers, Objectives, Speckle, Diffusers, Tissues, Light scattering, Interferometry

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Proceedings Article | 23 February 2018 Presentation + Paper

Longitudinal spatial coherence gated high-resolution tomography and quantitative phase microscopy of biological cells and tissues with uniform illumination

Dalip Singh Mehta, Azeem Ahmad, Vishesh Dubey, Veena Singh, Ankit Butola, Tonmoy Mohanty, Sreyankar Nandi

Proceedings Volume 10503, 1050305 (2018) https://doi.org/10.1117/12.2290334

KEYWORDS: Spatial coherence, Light sources, Speckle, Tomography, Optical coherence tomography, Objectives, Temporal coherence, Speckle pattern, Microscopy, Diffusers

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Proceedings Article | 28 July 2017 Paper

Polarization interferometric digital holographic microscope for quantitative phase imaging and coherent noise reduction

Veena Singh, Gyanendra Singh, Azeem Ahmad, Vishesh Dubey, Ankit Butola, Tilak Joshi, Dalip Singh Mehta

Proceedings Volume 10414, 104140V (2017) https://doi.org/10.1117/12.2291654

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Proceedings Article | 28 July 2017 Paper

Quantitative phase imaging using spectrally resolved white light interferometry

Ankit Butola, Azeem Ahmad, Vishesh Dubey, Veena Singh, Tilak Joshi, P. Senthilkumaran, Dalip Singh Mehta

Proceedings Volume 10414, 104140G (2017) https://doi.org/10.1117/12.2288530

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Proceedings Article | 28 July 2017 Paper

Quantitative phase imaging using white light interference microscopy with color fringe analysis: A comparative study of color interferograms recorded by single chip and 3-chip CCD color camera

Vishesh Dubey, Azeem Ahmad, Veena Singh, Ankit Butola, Dalip Singh Mehta

Proceedings Volume 10414, 104140I (2017) https://doi.org/10.1117/12.2287993

KEYWORDS: CCD cameras, Phase imaging, Microscopy, Fringe analysis, Cameras, Phase shifting

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Proceedings Article | 28 July 2017 Paper

Reduction of spatial phase noise in the laser based digital holographic microscopy for the quantitative phase measurement of biological cells

Azeem Ahmad, Vishesh Dubey, Veena Singh, Ankit Butola, Tilak Joshi, Dalip Singh Mehta

Proceedings Volume 10414, 104140H (2017) https://doi.org/10.1117/12.2287908

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Proceedings Article | 9 March 2016 Presentation + Paper

Quantitative phase imaging of biological cells and tissues using singleshot white light interference microscopy and phase subtraction method for extended range of measurement

Dalip Singh Mehta, Anuradha Sharma, Vishesh Dubey, Veena Singh, Azeem Ahmad

Proceedings Volume 9718, 971828 (2016) https://doi.org/10.1117/12.2212453

KEYWORDS: Phase imaging, Interferometry, Refractive index, Tissues, Microscopes, CCD cameras, Blood, Objectives, Microscopy, Phase interferometry

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Proceedings Article | 9 March 2016 Presentation + Paper

A novel phase shifting structured illumination microscopy

Veena Singh, Vishesh Dubey, Azeem Ahmad, Gyanendra Singh, D. S. Mehta

Proceedings Volume 9713, 97131K (2016) https://doi.org/10.1117/12.2212456

KEYWORDS: Phase shifting, Light emitting diodes, Phase shifts, Ronchi rulings, Microscopy, Beam splitters, Switching, Reconstruction algorithms, Phase imaging, Objectives, Fringe analysis, Calibration, Mirrors, CCD cameras

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Proceedings Article | 9 March 2016 Paper

White light phase shifting interferometry and color fringe analysis for the detection of contaminants in water

Vishesh Dubey, Veena Singh, Azeem Ahmad, Gyanendra Singh, Dalip Singh Mehta

Proceedings Volume 9718, 97181F (2016) https://doi.org/10.1117/12.2212405

KEYWORDS: Bacteria, Phase shifts, CCD cameras, Water, Fringe analysis, Objectives, Phase interferometry, Interferometry, Cameras, Ferroelectric materials

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Showing 5 of 14 publications

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