Speckle contrast optical spectroscopy, a non-invasive, diffuse optical method for measuring microvascular blood flow in tissue CP Valdes, HM Varma, AK Kristoffersen, T Dragojevic, JP Culver, ... Biomedical optics express 5 (8), 2769-2784, 2014 | 148 | 2014 |
Speckle contrast optical tomography: A new method for deep tissue three-dimensional tomography of blood flow HM Varma, CP Valdes, AK Kristoffersen, JP Culver, T Durduran Biomedical optics express 5 (4), 1275-1289, 2014 | 117 | 2014 |
High-speed multi-exposure laser speckle contrast imaging with a single-photon counting camera T Dragojević, D Bronzi, HM Varma, CP Valdes, C Castellvi, F Villa, A Tosi, ... Biomedical optics express 6 (8), 2865-2876, 2015 | 62 | 2015 |
Mannose-binding lectin promotes local microvascular thrombosis after transient brain ischemia in mice X de la Rosa, A Cervera, AK Kristoffersen, CP Valdés, HM Varma, ... Stroke 45 (5), 1453-1459, 2014 | 56 | 2014 |
Speckle contrast optical tomography T Durduran, C Valdes, A Kristoffersen, HM Varma, J Culver US Patent 9,538,926, 2017 | 47 | 2017 |
Recovery of the diffuse correlation spectroscopy data-type from speckle contrast measurements: towards low-cost, deep-tissue blood flow measurements K Murali, AK Nandakumaran, T Durduran, HM Varma Biomedical optics express 10 (10), 5395-5413, 2019 | 32 | 2019 |
High-density speckle contrast optical tomography (SCOT) for three dimensional tomographic imaging of the small animal brain T Dragojević, HM Varma, JL Hollmann, CP Valdes, JP Culver, C Justicia, ... NeuroImage 153, 283-292, 2017 | 32 | 2017 |
Multi-speckle diffuse correlation spectroscopy to measure cerebral blood flow K Murali, HM Varma Biomedical optics express 11 (11), 6699-6709, 2020 | 28 | 2020 |
On the equivalence of speckle contrast-based and diffuse correlation spectroscopy methods in measuring in vivo blood flow K Murali, AK Nandakumaran, HM Varma Optics Letters 45 (14), 3993-3996, 2020 | 17 | 2020 |
Ultrasound-modulated optical tomography: recovery of amplitude of vibration in the insonified region from boundary measurement of light correlation HM Varma, KP Mohanan, N Hyvönen, AK Nandakumaran, RM Vasu JOSA A 28 (11), 2322-2331, 2011 | 17 | 2011 |
Study of turbid media with light: Recovery of mechanical and optical properties from boundary measurement of intensity autocorrelation of light HM Varma, AK Nandakumaran, RM Vasu JOSA A 26 (6), 1472-1483, 2009 | 16 | 2009 |
High-density diffuse correlation tomography with enhanced depth localization and minimal surface artefacts R Paul, K Murali, HM Varma Biomedical optics express 13 (11), 6081-6099, 2022 | 8 | 2022 |
A simple algorithm for diffuse optical tomography without Jacobian inversion R Paul, K Murali, S Chetia, HM Varma Biomedical Physics & Engineering Express 8 (4), 045001, 2022 | 7 | 2022 |
Laser speckle simulation tool based on stochastic differential equations for bio imaging applications K Murali, HM Varma Biomedical Optics Express 13 (12), 6745-6762, 2022 | 6 | 2022 |
Convergence analysis of the Newton algorithm and a pseudo-time marching scheme for diffuse correlation tomography HM Varma, B Banerjee, D Roy, AK Nandakumaran, RM Vasu JOSA A 27 (2), 259-267, 2010 | 6 | 2010 |
Generalized eigenvalue decomposition of the field autocorrelation in correlation diffusion of photons in turbid media N Hyvönen, AK Nandakumaran, HM Varma, RM Vasu Mathematical Methods in the Applied Sciences 36 (11), 1447-1458, 2013 | 5 | 2013 |
Direct reconstruction of complex refractive index distribution from boundary measurement of intensity and normal derivative of intensity HM Varma, RM Vasu, AK Nandakumaran JOSA A 24 (10), 3089-3099, 2007 | 4 | 2007 |
Analysis of the inverse problem associated with diffuse correlation tomography AK Nandakumaran, HM Varma, RM Vasu Journal| MESA 3 (1), 79-97, 2012 | 3 | 2012 |
Functional imaging of olfactory bulb and somatosensory cortex in mice using small-animal blood flow imaging platform R Paul, S Sarkar, SD Marathe, K Murali, S Das, NM Abraham, HM Varma Dynamics and Fluctuations in Biomedical Photonics XX 12378, 45-48, 2023 | 2 | 2023 |
Exploring different source configurations for laser speckle-based blood flow measurement system K Murali, HM Varma European Conference on Biomedical Optics, EM1A. 23, 2021 | 2 | 2021 |