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4D Modeling and Estimation of Respiratory Motion for Radiation Therapy (Paperback, Softcover reprint of the original 1st ed.... 4D Modeling and Estimation of Respiratory Motion for Radiation Therapy (Paperback, Softcover reprint of the original 1st ed. 2013)
Jan Ehrhardt, Cristian Lorenz
R5,556 Discovery Miles 55 560 Ships in 10 - 15 working days

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 investigate dynamic processes in the patient's body. Furthermore, image registration enables the estimation of the breathing-induced motion and the description of the temporal change in position and shape of the structures of interest by establishing the correspondence between images acquired at different phases of the breathing cycle. In radiation therapy these motion estimations are used to define accurate treatment margins, e.g. to calculate dose distributions and to develop prediction models for gated or robotic radiotherapy. In this book, the increasing role of image registration and motion estimation algorithms for the interpretation of complex 4D medical image sequences is illustrated. Different 4D CT image acquisition techniques and conceptually different motion estimation algorithms are presented. The clinical relevance is demonstrated by means of example applications which are related to the radiation therapy of thoracic and abdominal tumors. The state of the art and perspectives are shown by an insight into the current field of research. The book is addressed to biomedical engineers, medical physicists, researchers and physicians working in the fields of medical image analysis, radiology and radiation therapy.

4D Modeling and Estimation of Respiratory Motion for Radiation Therapy (Hardcover, 2013 ed.): Jan Ehrhardt, Cristian Lorenz 4D Modeling and Estimation of Respiratory Motion for Radiation Therapy (Hardcover, 2013 ed.)
Jan Ehrhardt, Cristian Lorenz
R5,806 Discovery Miles 58 060 Ships in 10 - 15 working days

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 investigate dynamic processes in the patient's body. Furthermore, image registration enables the estimation of the breathing-induced motion and the description of the temporal change in position and shape of the structures of interest by establishing the correspondence between images acquired at different phases of the breathing cycle. In radiation therapy these motion estimations are used to define accurate treatment margins, e.g. to calculate dose distributions and to develop prediction models for gated or robotic radiotherapy. In this book, the increasing role of image registration and motion estimation algorithms for the interpretation of complex 4D medical image sequences is illustrated. Different 4D CT image acquisition techniques and conceptually different motion estimation algorithms are presented. The clinical relevance is demonstrated by means of example applications which are related to the radiation therapy of thoracic and abdominal tumors. The state of the art and perspectives are shown by an insight into the current field of research. The book is addressed to biomedical engineers, medical physicists, researchers and physicians working in the fields of medical image analysis, radiology and radiation therapy.

Bildverarbeitung fur die Medizin 2011 - Algorithmen - Systeme - Anwendungen Proceedings des Workshops vom 20. - 22. Marz 2011... Bildverarbeitung fur die Medizin 2011 - Algorithmen - Systeme - Anwendungen Proceedings des Workshops vom 20. - 22. Marz 2011 in Lubeck (English, German, Paperback)
Heinz Handels, Jan Ehrhardt, Thomas Martin Deserno, Hans-Peter Meinzer, Thomas Tolxdorff
R2,763 Discovery Miles 27 630 Ships in 10 - 15 working days

Ziel des Workshops "Bildverarbeitung fur die Medizin" ist die Prasentation aktueller Forschungsergebnisse und die Vertiefung des Gesprachs zwischen Wissenschaftlern, Industrie und Anwendern. Die Beitrage dieses Bandes behandeln alle Bereiche der medizinischen Bildverarbeitung, darunter insbesondere die Themen molekulare Bildgebung, Animation, patientenindividuelle Simulation und Planung, computerunterstutzte Diagnose, biomechanische Modellierung, Bildverarbeitung in der Telemedizin, bildgestutzte Roboter und chirurgische Simulatoren.

Bildverarbeitung Fur Die Medizin 2006 - Algorithmen, Systeme, Anwendungenproceedings Des Workshops Vom 19-21. Marz 2006 in... Bildverarbeitung Fur Die Medizin 2006 - Algorithmen, Systeme, Anwendungenproceedings Des Workshops Vom 19-21. Marz 2006 in Hamburg (English, German, Paperback, 2006 ed.)
Heinz Handels, Jan Ehrhardt, Alexander Horsch, Hans-Peter Meinzer, Thomas Tolxdoff
R3,775 Discovery Miles 37 750 Ships in 10 - 15 working days

In den letzten Jahren hat sich der Workshop "Bildverarbeitung fur die Medizin" durch erfolgreiche Veranstaltungen etabliert. Ziel ist auch 2006 wieder die Darstellung aktueller Forschungsergebnisse und die Vertiefung der Gesprache zwischen Wissenschaftlern, Industrie und Anwendern. Die Beitrage dieses Bandes - einige in englischer Sprache - behandeln alle Bereiche der medizinischen Bildverarbeitung, insbesondere Algorithmen, Soft- und Hardwaresysteme sowie deren klinische Anwendungen. "

Schutz Von Medienprodukten (German, Hardcover, 3rd Revised ed.): Ilja Czernik, Ole Jani, Michael Kauert, Claire Dietz, Jan... Schutz Von Medienprodukten (German, Hardcover, 3rd Revised ed.)
Ilja Czernik, Ole Jani, Michael Kauert, Claire Dietz, Jan Ehrhardt, …
R4,896 R3,663 Discovery Miles 36 630 Save R1,233 (25%) Ships in 10 - 15 working days

Volume 2 provides a practice-oriented presentation of the content and scope of copyright protection for media products. It explains copyright laws applicable to different categories of works and offers suggestions for contract design.

Atlasbasierte Erkennung anatomischer Strukturen und Landmarken fur die dreidimensionale virtuelle Planung von Huftoperationen... Atlasbasierte Erkennung anatomischer Strukturen und Landmarken fur die dreidimensionale virtuelle Planung von Huftoperationen (German, Paperback)
Jan Ehrhardt
R788 Discovery Miles 7 880 Ships in 10 - 15 working days
Rundfunk- und Presserecht/Veranstaltungsrecht/Schutz von Persoenlichkeitsrechten (German, Hardcover, 2nd rev. ed.): Artur-Axel... Rundfunk- und Presserecht/Veranstaltungsrecht/Schutz von Persoenlichkeitsrechten (German, Hardcover, 2nd rev. ed.)
Artur-Axel Wandtke, Sabine Boksanyi, Claire Dietz, Jan Ehrhardt, et al, …
R3,487 R2,623 Discovery Miles 26 230 Save R864 (25%) Ships in 10 - 15 working days

Media law as a means of organization in the real world and the virtual world continues to gain in economic and cultural importance. The global market and the networking of information and communication processes require an improved legal framework for media law in the 21st century. It is not merely production conditions that have been impacted by the digital revolution, but the manner of marketing media products and the use of such are increasingly being conducted in the Internet. In addition to the classical fields of media law, such as press, broadcasting and film, these five volumes also take into account issues pertaining to sports, theater and electronic media. The presentation includes media law-related aspects of the law of competition, telemedia law and copyright law as well as the laws regarding broadcasting, press, personality rights, telecommunications, data protection, samples/design, and domain rights; licensing contract law, the law of publication, media criminal law, photography law as well as media cartel law are also discussed. This complete presentation of media law particularly addresses the European legal framework. Attorneys, legal scholars and media experts comprehensively and systematically address the processes in society relevant to media law in their contributions to the five volumes of this handbook.

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