Search Results - "Gardner, Stephen J."

Automatic Segmentation of the Prostate on CT Images Using Deep Neural Networks (DNN) by Liu, Chang, Gardner, Stephen J., Wen, Ning, Elshaikh, Mohamed A., Siddiqui, Farzan, Movsas, Benjamin, Chetty, Indrin J.

“…Recent advances in deep neural networks (DNNs) have unlocked opportunities for their application for automatic image segmentation. We have evaluated a…”
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Improvements in CBCT Image Quality Using a Novel Iterative Reconstruction Algorithm: A Clinical Evaluation by Gardner, Stephen J., MS, Mao, Weihua, PhD, Liu, Chang, PhD, Aref, Ibrahim, MD, Elshaikh, Mohamed, MD, Lee, Joon K., MD, Pradhan, Deepak, MD, Movsas, Benjamin, MD, Chetty, Indrin J., PhD, Siddiqui, Farzan, MD, PhD

“…Abstract Purpose This study aimed to evaluate the clinical utility of a novel iterative cone beam computed tomography (CBCT) reconstruction algorithm for…”
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Contouring variability of human- and deformable-generated contours in radiotherapy for prostate cancer by Gardner, Stephen J, Wen, Ning, Kim, Jinkoo, Liu, Chang, Pradhan, Deepak, Aref, Ibrahim, Cattaneo, Richard, Vance, Sean, Movsas, Benjamin, Chetty, Indrin J, Elshaikh, Mohamed A

“…This study was designed to evaluate contouring variability of human-and deformable-generated contours on planning CT (PCT) and CBCT for ten patients with…”
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Technical Note: Evaluation of plastic scintillator detector for small field stereotactic patient‐specific quality assurance by Qin, Yujiao, Gardner, Stephen J., Kim, Joshua, Huang, Yimei, Wen, Ning, Doemer, Anthony, Chetty, Indrin J.

“…Purpose To evaluate the performance of a commercial plastic scintillator detector (PSD) for small‐field stereotactic patient‐specific quality assurance (QA)…”
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Evaluation and Clinical Application of a Commercially Available Iterative Reconstruction Algorithm for CBCT-Based IGRT by Mao, Weihua, Liu, Chang, Gardner, Stephen J., Siddiqui, Farzan, Snyder, Karen C., Kumarasiri, Akila, Zhao, Bo, Kim, Joshua, Wen, Ning Winston, Movsas, Benjamin, Chetty, Indrin J.

“…Purpose: We have quantitatively evaluated the image quality of a new commercially available iterative cone-beam computed tomography reconstruction algorithm…”
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Evaluation of gantry speed on image quality and imaging dose for 4D cone-beam CT acquisition by Santoso, Andrew P, Song, Kwang H, Qin, Yujiao, Gardner, Stephen J, Liu, Chang, Chetty, Indrin J, Movsas, Benjamin, Ajlouni, Munther, Wen, Ning

“…This study investigates the effect of gantry speed on 4DCBCT image quality and dose for the Varian On-Board Imager®. A thoracic 4DCBCT protocol was designed…”
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Tuning of AcurosXB source size setting for small intracranial targets by Gardner, Stephen J., Lu, Siming, Liu, Chang, Wen, Ning, Chetty, Indrin J.

“…This study details a method to evaluate the source size selection for small field intracranial stereotactic radiosurgery (SRS) deliveries in Eclipse treatment…”
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Modern Radiation Therapy Planning and Delivery by Gardner, Stephen J., Kim, Joshua, Chetty, Indrin J.

“…Modern radiation therapy treatment planning and delivery is a complex process that relies on advanced imaging and computing technology as well as expertise…”
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Investigation into image quality and dose for different patient geometries with multiple cone-beam CT systems by Gardner, Stephen J., Studenski, Matthew T., Giaddui, Tawfik, Cui, Yunfeng, Galvin, James, Yu, Yan, Xiao, Ying

“…Purpose: To provide quantitative and qualitative image quality metrics and imaging dose for modern Varian On-board Imager (OBI) (ver. 1.5) and Elekta X-ray…”
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How does CBCT reconstruction algorithm impact on deformably mapped targets and accumulated dose distributions? by Mao, Weihua, Liu, Chang, Gardner, Stephen J., Elshaikh, Mohamed, Aref, Ibrahim, Lee, Joon K., Pradhan, Deepak, Siddiqui, Farzan, Snyder, Karen Chin, Kumarasiri, Akila, Zhao, Bo, Kim, Joshua, Li, Haisen, Wen, Ning Winston, Movsas, Benjamin, Chetty, Indrin J.

“…Purpose We performed quantitative analysis of differences in deformable image registration (DIR) and deformable dose accumulation (DDA) computed on CBCT…”
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Radiobiologically optimized couch shift: A new localization paradigm using cone‐beam CT for prostate radiotherapy by Huang, Yimei, Gardner, Stephen J., Wen, Ning, Zhao, Bo, Gordon, James, Brown, Stephen, Chetty, Indrin J.

“…Purpose: To present a novel positioning strategy which optimizes radiation delivery by utilizing radiobiological response knowledge and evaluate its use during…”
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On the improvement of CBCT image quality for soft tissue‐based SRS localization by Mao, Weihua, Gardner, Stephen J., Snyder, Karen Chin, Wen, Ning Winston, Zhong, Hualiang, Li, Haisen, Jackson, Paul, Shah, Mira, Chetty, Indrin J.

“…Purpose We explore the optimal cone‐beam CT (CBCT) acquisition parameters to improve CBCT image quality to enhance intracranial stereotactic radiosurgery (SRS)…”
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Modeling AeroForm tissue expander for postmastectomy radiation therapy by Dziemianowicz, Elaine, Gardner, Stephen J., Chin Snyder, Karen, Wen, Ning, Walker, Eleanor M., Fraser, Correen, Reding, Anne, Chetty, Indrin J.

“…The AeroForm chest wall tissue expander (TE) is a silicon shell containing a metallic CO2 reservoir, placed surgically after mastectomy. The patient uses a…”
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Tuning of Acuros XB source size setting for small intracranial targets by Gardner, Stephen J., Lu, Siming, Liu, Chang, Wen, Ning, Chetty, Indrin J.

“…Abstract This study details a method to evaluate the source size selection for small field intracranial stereotactic radiosurgery ( SRS ) deliveries in Eclipse…”
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Generation and verification of QFix kVue Calypso‐compatible couch top model for a dedicated stereotactic linear accelerator with FFF beams by Gardner, Stephen J., Gulam, Misbah, Song, Kwang, Li, Haisen, Huang, Yimei, Zhao, Bo, Qin, Yujiao, Snyder, Karen, Kim, Jinkoo, Gordon, James, Chetty, Indrin J., Wen, Ning

“…This study details the generation, verification, and implementation of a treatment planning system (TPS) couch top model for patient support system used in…”
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Modeling AeroForm tissue expander for postmastectomy radiation therapy by Dziemianowicz, Elaine, Gardner, Stephen J., Chin Snyder, Karen, Wen, Ning, Walker, Eleanor M., Fraser, Correen, Reding, Anne, Chetty, Indrin J.

“…The AeroForm chest wall tissue expander (TE) is a silicon shell containing a metallic CO 2 reservoir, placed surgically after mastectomy. The patient uses a…”
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On the improvement of CBCT image quality for soft tissue‐based SRS localization by Mao, Weihua, Gardner, Stephen J., Snyder, Karen Chin, Wen, Ning Winston, Zhong, Hualiang, Li, Haisen, Jackson, Paul, Shah, Mira, Chetty, Indrin J.

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Mature systems for small satellite missions by Ward, A.Kim, Barrington-Brown, A.James, Gardner, Stephen J.

“…Over the past several years Satellites International has developed an integrated suite of satellite sub-systems and small satellite buses. The sub-systems…”
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Potential theory of the farthest point distance function by Gardiner, Stephen J., Netuka, Ivan

“…Let E be a compact set in the plane and let d^sub E^(x) denote the distance from a point x to the farthest point of E. Then log d^sub E^ is known to be the…”
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