Tumor motion
A Heterogeneous Patient-Specific Biomechanical Model of the Lung for Tumor Motion Compensation and Effective Lung Radiation Therapy Planning
... respiratory motion are determined through an optimization algorithm that aims at maximizing the similarity between the actual and simulated tumor and lung volume ...the tumor motion estimation ...
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Evaluation of Daily Tumor Motion by Measuring Fiducial Length on CBCT Images in Pancreatic Stereotactic Body Radiation Therapy
... daily tumor motion for pancreatic SBRT. Motion data for fifty pancreatic SBRT patients with fiducials were analyzed retrospectively to determine the tumor motion ...involved ...
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Biomechanical Modeling for Lung Tumor Motion Prediction during Brachytherapy and Radiotherapy
... of tumor location, velocity and acceleration over a small time window prior to the current time ...on tumor motion estimation in clinical applications, hyperelastic parameters of tissue samples ...
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Application of a spring dashpot system to clinical lung tumor motion data
... Figure 3: The clinical data and model output, showing breathing pattern, tumor motion, and.. The lower figure shows a close-up view of part of.[r] ...
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Observation of different tumor motion magnitude within liver and estimate of internal motion margins in postoperative patients with hepatocellular carcinoma
... inter-fractional motion variability should also be included in the ...diaphragm motion, and 3 mm to 4 mm when based on ...the tumor motion can be obtained and the patient-specific margins can ...
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Is internal target volume accurate for dose evaluation in lung cancer stereotactic body radiotherapy?
... GTV motion area doesn’t mean the ITV is the real GTV or the ITV dose can represent the real GTV dose in dose ...the tumor size is small [7] or tumor motion is not evident [8], the ITV dose ...
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A biomechanical approach for real-time tracking of lung tumors during External Beam Radiation Therapy (EBRT)
... the tumor motion and deformation using the real-time lung boundary conditions (BCs) obtained from the chest motion ...diaphragm motion and trans-pulmonary ...lung tumor tracking ...
181
Evaluation of Single Field Uniform Dose (SFUD) Proton Pencil Beam Scanning (PBS) Planning Strategy for Lung Mobile Tumor Using a Digital Phantom
... of motion target with spot scanning Intensity Modulated Proton Therapy (IMPT) delivery technique and robustness optimization algorithms to ensure the coverage for motion target ...lung tumor which ...
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Clinical study on the influence of motion and other factors on stereotactic radiotherapy in the treatment of adrenal gland tumor
... general motion laws of adrenal gland tumors, the results provided certain value in determining the planning target volume margins for ...The motion amplitude of adrenal gland tumors was affected by respira- ...
5
MODELING LUNG TISSUE MOTIONS AND DEFORMATIONS: APPLICATIONS IN TUMOR ABLATIVE PROCEDURES
... patient’s chest tracked with a tracking system. Although the reflective marker method improved their respiratory signal accuracy, it still involved some errors. As a more general alternative that does not require any ...
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Correlation of primary middle and distal esophageal cancers motion with surrounding tissues using four-dimensional computed tomography
... intrafraction motion during irradiation delivery is one of the geometrical uncertainties that may affect the therapeutic ...tumors’ motion using 4DCT and showed the cen- troid movements of several ...
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The impact of 2D cine MR imaging parameters on automated tumor and organ localization for MR-guided real-time adaptive radiotherapy.
... primary tumor (primary tumor stage ⩽ T2 according to the American Joint Committee on Cancer ’ s guidelines on lung cancer staging, 7th edi- ...respiratory motion (see figures 1(g) – (i)). The ...
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Comparison of planning target volumes based on three-dimensional and four-dimensional CT imaging of thoracic esophageal cancer
... Background and purpose: To investigate the definition of planning target volumes (PTVs) based on four-dimensional computed tomography (4DCT) compared with conventional PTV defi- nition and PTV definition using ...
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Challenges and opportunities in patient-specific, motion-managed and PET/CT-guided radiation therapy of lung cancer: review and perspective
... residual tumor motion. On the other hand, motion- tracked PET/CT acquisitions that yield phase-specific ROIs can be utilized in a more complex treatment plan- ning ...of tumor motion on ...
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CRL 95 1 pdf
... constrained motion estimation where the epipolar geometry is given, so that each flow vector is constrained to lie along a known ...or motion stereo) [Bolles et ...
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Experimental Performance of Pneumatically Driven Mechanical Robotic Arm for Pick and Place Operation
... A robotic arm is a robot manipulator, usually programmable, with similar functions to a human arm. The links of such a manipulator are connected by joints allowing either rotational motion (such as in an ...
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REAL TIME VIDEO STABILIZATION USING MATLAB
... [1], motion sensors are used to detect the camera movement for the motion compensation and hence stabilizing the image ...undesired motion effects to generate a compensated image ...processes: ...
9
Morphology of the Amorphous: Spatial texture, motion and words
... In spatial texture it is the momentum suggested in the global coordination among sounds which cause flow motion. The spatial behaviour suggests a physical medium through which the music propagates. The impression ...
20
Survey on Various Types of Noise and Methods for Noise Removal
... of motion in the vestibular system that does not match the motion that is ...severe motion to the inner ear, but due to the slow speed, the eye doesn't sense a proportional amount of ...
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Global Motion Model for Stereovision-Based Motion Analysis
... stereovision-based motion analysis is that the depth information is available, thus motion can be estimated more precisely in ...global motion in SCS, which is induced by 3D camera motion in ...
6