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Item Metadata only Rule-discovery based computer aided detection for breast cancer diagnosis(Mahidol University. Mahidol University Library and Knowledge Center, 2010) Adchara Charoensup; Songpol Ongwattanakul; Cholatip WiratkapunItem Metadata only Correlation between breast compression force and breast thickness on image quality in mammography : a study in thai women(Mahidol University. Mahidol University Library and Knowledge Center, 2006) Prachumporn Pewluang; Malulee TuntawiroonItem Metadata only Implementation of the catalyst optical surface imaging system for left-sided breast cancer patients with Deep Inspiration Breath Hold Technique(Mahidol University. Mahidol University Library and Knowledge Center, 2024) Sawanya Suwandee; Lalida Tuntipumiamorn; Pittaya Dankulchai; Puangpen Tangboonduangjitin left-sided breast cancer patients. The purpose of this study was to evaluate the performance and reliability of the CatalystTM OSI system which is installed at Division of Radiation Oncology, Siriraj Hospital for image guidance in DIBH application...Optical surface imaging (OSI) system is currently introduced for setup verification, intrafractionation monitoring as well as for gating radiotherapy. This system is found to be an attractive IGRT for deep inspiration breath hold (DIBH) techniqueItem Metadata only The systematic and random errors determination using real-time 3D surface tracking system in breast cancer(Mahidol University. Mahidol University Library and Knowledge Center, 2016) Jaruek Kanphet; Nuanpen Damrongkijudom; Taweap Sanghangthumto normal tissues and increase the dose to the tumor. The purpose of this study is to determine the systematic and random errors using 3D surface tracking system in breast cancer. The characteristics of AlignRT system were performed and the correlation... between CBCT and AlignRT was also was verified. In clinical application, the 11 left side breast cancer patients who were treated with DIBH technique in TrueBeam linear accelerator were selected. The AlignRT was used for patient setup and trackingItem Metadata only Optimization of average glandular dose and image quality : a study in screen-film mammography(Mahidol University. Mahidol University Library and Knowledge Center, 2009) Karuna Chaleamsri; Napapong PongnapangItem Metadata only Tolerance level determination for automated EPID-based deep inspiration breath-hold (DIBH) instability evaluation in breast cancer patients(Mahidol University. Mahidol University Library and Knowledge Center, 2024) Aphisara Deeharing; Puangpen Tangboonduangjit; Todsaporn Fuangrodmanagement to reduce the cardiac dose during tangential field left breast radiotherapy. However, there is no current system to evaluate the patient's breath-hold capability towards DIBH accuracy in real-time. The cine images from an electronic portal imaging...Breast cancer is the most common cancer in women. Radiation therapy (RT) is the most recommended treatment to reduce local recurrence and improves the overall survival rate. However, RT has limitations regarding the patient's respiratory motionItem Open Access Application of geospatial machine learning model for vegetation species image classification and above ground biomass estimation in upper and eastern gulf of Thailand mangrove forests(Mahidol University, 2021) Han, Tingting, 1995-; Poonperm Vardhanabindu; Paramita Punwong; Monthira YuttihamThe estimation of above-ground biomass in evergreen shrubs has traditionally been acquired from the ground measurements done by a labor-intensive method. Measuring such data requires diameter breast height (DBH), canopy cover, tree height, tree..., preventing the country from accurately assessing the total above-ground biomass. This research uses high-spatial-resolution data acquired from unmanned aerial vehicle (UAV) images to help measure the amount of above ground-biomass in forests. The assumption