Search Results - "Periyasamy, Vijitha"

Advances in Monte Carlo Simulation for Light Propagation in Tissue by Periyasamy, Vijitha, Pramanik, Manojit

“…Monte Carlo (MC) simulation for light propagation in tissue is the gold standard for studying the light propagation in biological tissue and has been used for…”
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Monte Carlo simulation of light transport in turbid medium with embedded object-spherical, cylindrical, ellipsoidal, or cuboidal objects embedded within multilayered tissues by Periyasamy, Vijitha, Pramanik, Manojit

“…Monte Carlo modeling of light transport in multilayered tissue (MCML) is modified to incorporate objects of various shapes (sphere, ellipsoid, cylinder, or…”
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Non‐invasive sentinel lymph node mapping and needle guidance using clinical handheld photoacoustic imaging system in small animal by Sivasubramanian, Kathyayini, Periyasamy, Vijitha, Pramanik, Manojit

“…Translating photoacoustic imaging (PAI) into clinical setup is a challenge. Handheld clinical real‐time PAI systems are not common. In this work, we report an…”
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Monte Carlo simulation of light transport in tissue for optimizing light delivery in photoacoustic imaging of the sentinel lymph node by Periyasamy, Vijitha, Pramanik, Manojit

“…Noninvasive or minimally invasive identification of sentinel lymph node (SLN) is essential to reduce the surgical effects of SLN biopsy. Photoacoustic (PA)…”
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Ex vivo human teeth imaging with various photoacoustic imaging systems by Periyasamy, Vijitha, Gisi, Katherine, Pramanik, Manojit

“…Dental caries cause pain and if not diagnosed, it may lead to the loss of teeth in extreme cases. Dental X-ray imaging is the gold standard for caries…”
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Optimizing light delivery through fiber bundle in photoacoustic imaging with clinical ultrasound system: Monte Carlo simulation and experimental validation by Sivasubramanian, Kathyayini, Periyasamy, Vijitha, Wen, Kew Kok, Pramanik, Manojit

“…Translating photoacoustic (PA) imaging into clinical setup is a challenge. We report an integrated PA and ultrasound imaging system by combining the light…”
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Photoacoustic imaging depth comparison at 532-, 800-, and 1064-nm wavelengths: Monte Carlo simulation and experimental validation by Sharma, Arunima, Srishti, Periyasamy, Vijitha, Pramanik, Manojit

“…Photoacoustic imaging (PAI) provides high-resolution and high-optical-contrast imaging beyond optical diffusion limit. Further improvement in imaging depth has…”
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1064 nm acoustic resolution photoacoustic microscopy by Periyasamy, Vijitha, Das, Nandan, Sharma, Arunima, Pramanik, Manojit

“…Photoacoustic imaging is a noninvasive imaging technique having the advantages of high‐optical contrast and good acoustic resolution at improved imaging…”
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Eigenspace-Based Minimum Variance Combined With Delay Multiply and Sum Beamformer: Application to Linear-Array Photoacoustic Imaging by Mozaffarzadeh, Moein, Mahloojifar, Ali, Periyasamy, Vijitha, Pramanik, Manojit, Orooji, Mahdi

“…In photoacoustic imaging, delay-and-sum (DAS) algorithm is the most commonly used beamformer. However, it leads to a low resolution and high level of…”
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Efficient nonlinear beamformer based on P'th root of detected signals for linear-array photoacoustic tomography: application to sentinel lymph node imaging by Mozaffarzadeh, Moein, Periyasamy, Vijitha, Pramanik, Manojit, Makkiabadi, Bahador

“…In linear-array transducer-based photoacoustic (PA) imaging, B-scan PA images are formed using the raw channel PA signals. Delay-and-sum (DAS) is the most…”
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Hand‐held, clinical dual mode ultrasound ‐ photoacoustic imaging of rat urinary bladder and its applications by Sivasubramanian, Kathyayini, Periyasamy, Vijitha, Dienzo, Rhonnie Austria, Pramanik, Manojit

“…Urinary bladder imaging is critical to diagnose urinary tract disorders, and bladder cancer. There is a great need for safe, non‐invasive, and sensitive…”
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Monte Carlo simulation of light transport in turbid medium with embedded objectspherical, cylindrical, ellipsoidal, or cuboidal objects embedded within multilayered tissues by Periyasamy, Vijitha, Pramanik, Manojit

“…Monte Carlo modeling of light transport in multilayered tissue (MCML) is modified to incorporate objects of various shapes (sphere, ellipsoid, cylinder, or…”
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Hand-held Clinical Photoacoustic Imaging System for Real-time Non-invasive Small Animal Imaging by Sivasubramanian, Kathyayini, Periyasamy, Vijitha, Pramanik, Manojit

“…Translation of photoacoustic imaging into the clinic is a major challenge. Handheld real-time clinical photoacoustic imaging systems are very rare. Here, we…”
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Two‐step morphology‐based denoising and non‐local means smoothing improves micro‐computed tomography digital rock images by Gupta, Utkarsh, Periyasamy, Vijitha, Hofmann, Ronny, Prakash, Jaya, Yalavarthy, Phaneendra K.

“…Digital rock physics is a workflow that relies on imaging techniques to quickly and cost‐effectively estimate the petrophysical properties of small core…”
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Eigenspace-based minimum variance beamformer combined with sign coherence factor: Application to linear-array photoacoustic imaging by Shamekhi, Sadaf, Periyasamy, Vijitha, Pramanik, Manojit, Mehrmohammadi, Mohammad, Mohammadzadeh Asl, Babak

“…•Combining the EIBMV beamformer with the sign coherence factor (SCF) in PA imaging.•Evaluating the proposed EIBMV-SCF method using the simulated and…”
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In vivo optoacoustic monitoring of percutaneous laser ablation of tumors in a murine breast cancer model by Periyasamy, Vijitha, Özsoy, Çağla, Reiss, Michael, Deán-Ben, Xosé Luís, Razansky, Daniel

“…Laser ablation (LA) is a promising approach for minimally invasive cancer treatments. Its in vivo applicability is often impeded by the lack of efficient…”
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Flash Scanning Volumetric Optoacoustic Tomography for High Resolution Whole‐Body Tracking of Nanoagent Kinetics and Biodistribution by Ron, Avihai, Kalva, Sandeep Kumar, Periyasamy, Vijitha, Deán‐Ben, Xosé Luís, Razansky, Daniel

“…Tracking of biodynamics across entire living organisms is essential for understanding complex biology and disease progression. The presently available…”
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A High-performance Compact Photoacoustic Tomography System for In Vivo Small-animal Brain Imaging by Upputuri, Paul Kumar, Periyasamy, Vijitha, Kalva, Sandeep Kumar, Pramanik, Manojit

“…In vivo small-animal imaging has an important role to play in preclinical studies. Photoacoustic tomography (PAT) is an emerging hybrid imaging modality that…”
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Sparsity-based beamforming to enhance two-dimensional linear-array photoacoustic tomography by Paridar, Roya, Mozaffarzadeh, Moein, Periyasamy, Vijitha, Pramanik, Manojit, Mehrmohammadi, Mohammad, Orooji, Mahdi

“…•A sparse beamforming method is proposed for linear-array Photoacoustic imaging.•The proposed sparse beamforming (SB) method is robust against noise.•SB method…”
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Validation of delay-multiply-and-standard-deviation weighting factor for improved photoacoustic imaging of sentinel lymph node by Paridar, Roya, Mozaffarzadeh, Moein, Periyasamy, Vijitha, Basij, Maryam, Mehrmohammadi, Mohammad, Pramanik, Manojit, Orooji, Mahdi

“…Delay-and-sum (DAS) is one of the most common algorithms used to construct the photoacoustic images due to its low complexity. However, it results in images…”
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