Showing 201 - 220 results of 305 for search '"The Phantom"', query time: 0.04s Refine Results
  1. 201

    Multi-material and multi-scale platform for robotic based in situ bioprinting by Andrea Guerra, Gabriele Maria Fortunato, Elisa Batoni, Giovanni Vozzi, Carmelo De Maria

    Published 2025-03-01
    “…The multi-scale in situ bioprinting procedure was validated by simulating a multi-tool and multi-material printing process in a relevant anatomical environment consisting of a human skull phantom with tissue damage at the bone tissue level. …”
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  2. 202

    An Automated Marker-Less Registration Approach Using Neural Radiance Fields for Potential Use in Mixed Reality-Based Computer-Aided Surgical Navigation of Paranasal Sinus by Suhyeon Kim, Hyeonji Kim, Younhyun Jung

    Published 2024-12-01
    “…We evaluated our method against two other techniques, including prior mesh-based registration, using a facial phantom and three participants. The results demonstrate our proposed method achieves at least a 0.873 mm (12%) improvement in registration accuracy compared to others.…”
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  3. 203

    Low Dose X-Ray Sources and High Quantum Efficiency Sensors: The Next Challenge in Dental Digital Imaging? by Arnav R. Mistry, Daniel Uzbelger Feldman, Jie Yang, Eric Ryterski

    Published 2014-01-01
    “…A LDXI in static (group 1) and dynamic (group 2) modes was compared to medical fluoroscopy (group 3), digital intraoral radiography (group 4), and CBCT scan (group 5) using a dental phantom. Results. The Mann-Whitney test showed no statistical significance (α=0.01) in dose exposure between groups 1 and 3 and 1 and 4 and timing exposure (seconds) between groups 1 and 5 and 2 and 3. …”
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  4. 204

    Come rigenerare il paesaggio rurale. L’agopuntura architettonica di Zhang Ke in Tibet come caso di studio by Simone Barbi

    Published 2024-12-01
    “… Nella Cina contemporanea, la storicità dei luoghi teme un destino simile a quello immaginato nella serie “Phantom Landscape” di Yang Yongliang, capace di prefigurare le conseguenze distopiche della sindrome da iper-costruzione e della frenesia di mercato messe in atto dalla fine XX secolo. …”
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  5. 205

    Optimal Analysis Method for Dynamic Contrast-Enhanced Diffuse Optical Tomography by Michael Ghijsen, Yuting Lin, Mitchell Hsing, Orhan Nalcioglu, Gultekin Gulsen

    Published 2011-01-01
    “…In this study, we investigated and compared different reconstruction methods and analysis approaches for regular endogenous DOT and DCE-DOT with and without MR anatomical a priori information for arbitrarily-shaped objects. Our phantom and animal studies have shown that superior image quality and higher accuracy can be achieved using DCE-DOT together with MR structural a priori information. …”
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  6. 206

    Artificial Neural Network-Based System for PET Volume Segmentation by Mhd Saeed Sharif, Maysam Abbod, Abbes Amira, Habib Zaidi

    Published 2010-01-01
    “…Experimental and Monte Carlo simulated PET phantom data sets and clinical PET volumes of nonsmall cell lung cancer patients were utilised to validate the proposed algorithm which has demonstrated promising results.…”
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  7. 207

    Longitudinal Raman Spectroscopic Observation of Skin Biochemical Changes due to Chemotherapeutic Treatment for Breast Cancer in Small Animal Model by Myeongsu Seong, NoSoung Myoung, Songhyun Lee, Hyeryun Jeong, Sang-Youp Yim, Jae Gwan Kim

    Published 2017-01-01
    “…Firstly, we verified the probing depth of the fiber-optic probe (~800 μm) using a simple intravenous fat emulsion-filled phantom having a silicon wafer at the bottom inside a cuvette. …”
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  8. 208

    A Cost-effective Breath-hold Coaching Camera System for Patients Undergoing External Beam Radiotherapy by Akash Mehta, Emma Horgan, Prabhakar Ramachandran, Christopher Noble

    Published 2024-12-01
    “…Relative accuracy was tested with a QUASAR motion phantom, with results agreeing to within ± 2 mm. The camera response was found to be unaffected by changes in lighting or temperature, though it overresponded under extreme temperatures. …”
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  9. 209

    Partial Volume Reduction by Interpolation with Reverse Diffusion

    Published 2006-01-01
    “…On gray level, scanned text, MRI physical phantom, and brain images, restored images processed with the new method were visually much closer to high-resolution counterparts than those obtained with common interpolation methods.…”
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  10. 210

    Exploring the evolution of structure growth in the universe with field-fluid interactions through dynamical stability analysis by Anirban Chatterjee, Abhijit Bandyopadhyay, Debasish Majumdar

    Published 2025-02-01
    “…We analyzed the associated stability characteristics and growth rate of perturbations, and obtained domains in the ( $$\alpha -\lambda $$ α - λ ) parameter space for which fixed points can exhibit stable and non-phantom accelerating solutions. Depending on its magnitude, the coupling parameter $$\alpha $$ α has the potential to change the characteristics of certain critical points, altering them from attractors to repellers. …”
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  11. 211

    Investigation of the Physical Properties of Different Ion Species at Hadron Therapy; A Comprehensive Study by Ahmad Esmaili Torshabi

    Published 2025-01-01
    “…Materials and Methods: In this work, protons Caron- and Oxygen-Ions are considered as hadron beams while irradiating a given tumor located at soft tissue equivalent phantom to mimic the patient body using FLUKA simulation code. …”
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  12. 212

    Sparse Regularization-Based Reconstruction for Bioluminescence Tomography Using a Multilevel Adaptive Finite Element Method by Xiaowei He, Yanbin Hou, Duofang Chen, Yuchuan Jiang, Man Shen, Junting Liu, Qitan Zhang, Jie Tian

    Published 2011-01-01
    “…Experimental results for heterogeneous phantom and mouse atlas model demonstrate its effectiveness and potentiality in the application of quantitative BLT.…”
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  13. 213

    Evaluation of the efficacy of percutaneous spinal cord stimulation according to the single or double leads by Esra Ertilav, Osman Nuri Aydin

    Published 2025-02-01
    “…Five patients had root avulsion, 1 patient had complex regional pain syndrome, 1 patient had postherpetic neuralgia, 2 patients had phantom pain, 3 patients had ischaemic pain and 29 patients had postlaminectomy syndrome. …”
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  14. 214

    Development of an Auxiliary Device for Patellar and Femoral Joint Tangential Axial Radiographic Imaging and a Method for Obtaining an Optimal Radiographic Image Using the Developme... by Do-Byung Rhee, Hee-June Kim, Deok-Mun Kwon, Jung-Su Kim, Hyun-Woo Choi, Jong-Ki Kim

    Published 2022-01-01
    “…To compare the PJR method with conventional radiographic methods, such as Laurin, Merchant, and Settegast, a whole-body phantom (PBU-31) was used and three image evaluation items were set. …”
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  15. 215

    Qualitative Simulation of Photon Transport in Free Space Based on Monte Carlo Method and Its Parallel Implementation by Xueli Chen, Xinbo Gao, Xiaochao Qu, Duofang Chen, Bin Ma, Lin Wang, Kuan Peng, Jimin Liang, Jie Tian

    Published 2010-01-01
    “…The feasibility of the uniform framework and the effectiveness of the parallel version are demonstrated with a cylindrical phantom based on real experimental results.…”
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  16. 216

    Comparison of fluorescence intensity of protoporphyrin IX as observed on the screen of different cystoscopic systems by Hideo Fukuhara, Takahiro Nishimura, Yu Shimojo, Keiji Inoue

    Published 2025-02-01
    “…For each PDD device, fluorescence intensity was measured at 3 cm and 8 cm distance from the protoporphyrin IX (PpIX) phantom to the cystoscope. Results: The variation of excitation light power with observation distance were 35.0 %, 27.0 %, and 28.2 % for OLYMPUS, Richard Wolf, and Karl Storz, respectively. …”
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  17. 217

    Visibility Enhancement of Lesion Regions in Chest X-Ray Images With Image Fidelity Preservation by Ryoichi Ishikawa, Tomohisa Yuzawa, Taiki Fukiage, Masataka Kagesawa, Toru Watsuji, Takeshi Oishi

    Published 2025-01-01
    “…We created a synthesized dataset, with and without lesions, from healthy chest and phantom lesion X-ray images. The experiments show that after the proposed method was trained on 2000 images, it improved lesion visibility with an acceptable fidelity loss. …”
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  18. 218

    Depth-electrode stimulation and concurrent functional MRI in humans: Factors influencing heating with body coil transmission by Hiroyuki Oya, Ralph Adolphs, Matthew A. Howard, J. Michael Tyszka

    Published 2025-01-01
    “…Under all conditions tested, with one exception, the temperature rise measured immediately adjacent to electrode contacts in a head-torso phantom with body coil RF transmission was less than 0.75 °C. …”
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  19. 219

    T2*-weighted imaging for detection of intracranial silicone oil in MRI obtained with motion correction sequences by Ryuta Yasuda, Masayuki Maeda, Kenichi Takada, Katsuhiro Inoue, Masataka Sugao, Hidenori Suzuki

    Published 2025-02-01
    “…In contrast, another MRI obtained previously with conventional turbo spin-echo detected intracranial silicone oil not only in T2*WI but also in T1WI, T2WI and FLAIR. Phantom experiment revealed that chemical shift artifact played an important role in discriminating silicone oil from artificial cerebrospinal fluid, which attenuated in MultiVane XD. …”
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  20. 220

    A Mixed Reality–Based Telesupervised Ultrasound Education Platform on 5G Network Compared to Direct Supervision: Prospective Randomized Pilot Trial by Minha Kim, Meong Hi Son, Suhyeon Moon, Won Chul Cha, Ik Joon Jo, Hee Yoon

    Published 2025-01-01
    “…Participants received a 15-minute video lecture, conducted ultrasound on a phantom, and had 18 images scored by 2 blinded experts. …”
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