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Respiratory motion causes an important uncertainty in radiotherapy planning of the thorax and upper abdomen. The main objective of radiation therapy is to eradicate or shrink tumor cells without damaging the surrounding tissue by delivering a high radiation dose to the tumor region and a dose as low as possible to healthy organ tissues. Meeting this demand remains a challenge especially in case of lung tumors due to breathing-induced tumor and organ motion where motion amplitudes can measure up to several centimeters. Therefore, modeling of respiratory motion has become increasingly important in radiation therapy. With 4D imaging techniques spatiotemporal image sequences can be acquired to i...
This book constitutes the proceedings of the First international Conference on Information Processing in Computer-Assisted Interventions, IPCAI 2010, held in Geneva, Switzerland, in June 2010. The 18 papers presented were carefully reviewed and selected from 40 submissions. The contributions are grouped in topical sections on CAI: imaging, modeling and visualization; clinical applications and validation; medical robotics, instrumentation, and modeling; cardiovasvular modeling and navigation; and planning, simulation, and guidance.
The origins of the next radical economy is rooted in a tradition that has empowered people for centuries and is now making a comeback. A new feudalism is on the rise. While monopolistic corporations feed their spoils to the rich, more and more of us are expected to live gig to gig. But, as Nathan Schneider shows, an alternative to the robber-baron economy is hiding in plain sight; we just need to know where to look. Cooperatives are jointly owned, democratically controlled enterprises that advance the economic, social, and cultural interests of their members. They often emerge during moments of crisis not unlike our own, putting people in charge of the workplaces, credit unions, grocery stores, healthcare, and utilities they depend on. Everything for Everyone chronicles this revolution -- from taxi cooperatives keeping Uber at bay, to an outspoken mayor transforming his city in the Deep South, to a fugitive building a fairer version of Bitcoin, to the rural electric co-op members who are propelling an aging system into the future. As these pioneers show, co-ops are helping us rediscover our capacity for creative, powerful, and fair democracy.
This book constitutes the refereed proceedings of the 5th International Conference on Information Processing in Computer-Assisted Interventions, IPCAI 2014, held in Fukuoka, Japan, on June 28, 2014. The 28 papers presented were carefully reviewed and selected from 58 submissions. The papers are organized in topical sections on planning, simulation, patient specific models for computer assisted interventions, medical robotics and surgical navigation, interventional imaging and advanced intra-op visualization, cognition, modeling and context awareness, clinical applications, systems, software, and validation.
Responding to the growing demand for minimally invasive procedures, this book provides a comprehensive overview of the current technological advances in image-guided surgery. It blends the expertise of both engineers and physicians, offering the latest findings and applications. Detailed color images guide readers through the latest techniques, including cranial, orthopedic, prostrate, and endovascular interventions.
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Thomas Primus Mitchell (1805-1881), son of John Mitchell and Grizel Paterson, married twice (once in Scotland), and immigrated in 1834 from Scotland to land near Smith's Falls, Grey County, Ontario. His first son was James Rattray Mitchell (1829-1896). Descendants and relatives lived in Ontario, Quebec, Manitoba, Saskatchewan, Alberta, British Columbia and elsewhere. Some descendants immigrated to Montana, Nevada, Washington, D.C. and elsewhere.
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