Open Access Medical Books



Edited by Gunti Gunarathne .

304 pages .
Open Access .

Ultrasonic imaging is a powerful diagnostic tool available to medical practitioners, engineers and researchers today. Due to the relative safety, and the non-invasive nature, ultrasonic imaging has become one of the most rapidly advancing technologies. These rapid advances are directly related to the parallel advancements in electronics, computing, and transducer technology together with sophisticated signal processing techniques. This book focuses on state of the art developments in ultrasonic imaging applications and underlying technologies presented by leading practitioners and researchers from many parts of the world.
Applications of ultrasound imaging in medicine, industry and research are extensive and wide-ranging. In medical diagnostics, ultrasonic imaging of anatomical structures and moving tissue in real-time is routine. Ultrasonic imaging is also now widely used in image guided medical intervention procedures and in aiding therapeutic applications. Industrial applications of ultrasound imaging are also wide spread and growing, e.g. in Non-destructive- evaluation (NDE) and underwater acoustics (Sonar). Acoustic microscopy at GHz frequencies can be used to visualise sub-surface microscopic structures that can yield information not possible with light.
It is important to note that imaging as applied to the application domains mentioned above; namely, medical diagnostics, NDE and Sonar have fundamental similarities and differences.
Similarities in imaging modalities have greatly helped researchers working in different domains to benefit from each other, while the differences have led to the evolution of intriguing technologies exclusive to those applications.
The 10 chapters in this book are organised in such a way that Chapters 1 – 5 are focused on state-of-the-art applications and developments in ultrasound imaging systems for medical diagnostics and image guided interventional and therapeutic procedures. Chapter 6 presents research developments in the use of Functional Transcranial Doppler Spectroscopy for evaluating Neurocognitive functions and their differences between genders. Chapter 7 focuses on the detection of follicles and ovarian classification using ultrasound images.
Chapter 8 presents a study on the use of various algorithms to reduce speckle noise in ultrasound images. Chapter 9 presents techniques and strategies for hardware reduction at the design stage of portable ultrasound systems. Chapter 10, entitled “Breaking through the Speed Barrier” investigates primary performance bottlenecks of conventional ultrasonic imaging technology and presents work done in developing an unconventional imaging system that has the potential to reach the maximum theoretical limits of speed of imaging and resolution I sincerely hope that you will enjoy and gain much benefit in reading this book. I would like to take this opportunity to thank all the authors who worked so hard and gave a lot of time in contributing to this book. The professional support given by the editorial board and the officials of InTech at every stage of this project was excellent. Finally, I would like to extend my sincere gratitude to my dear friend and colleague, Mr Andrew Fairhead, Honorary lecturer and Former ultrasound Engineer at NHS Grampian, for his valuable comments and support throughout this project.

Gunti Gunarathne (PhD, FIET)
School of Engineering,
Robert Gordon University, UK


 1 3D Ultrasound Imaging in Image-Guided Intervention 1 Aaron Fenster, Jeff Bax, Hamid Neshat, Nirmal Kakani and Cesare Romagnoli

 2 Ultrasound-Based Guidance and Therapy 27 Frank Lindseth, Thomas Langø, Tormod Selbekk, Rune Hansen, Ingerid Reinertsen, Christian Askeland, Ole Solheim, Geirmund Unsgård, Ronald Mårvik and Toril A. Nagelhus Hernes

 3 Ultrasound Diagnosis of Chest Diseaseses 83 Wei-Chih Liao, Chih-Yen Tu, Chuen-Ming Shih, Chia-Hung Chen, Hung-Jen Chen and Hsu Wu-Huei

 4 Diagnostic Use of Sonography in the Evaluation of Hypertension 97 Nikolaos Pagonas, Stergios Vlatsas and Timm H. Westhoff

 5 Ultrasound-Guided Peripheral Nerve Block Anesthesia with Emphasis on the Interscalene Approach to Brachial Plexus Blockade 119 James C. Krakowski and Steven L. Orebaugh

 6 A New Functional Transcranial Doppler Spectroscopy (fTCDS) Study of Cerebral Asymmetry During Neuro-Cognitive Functions in Men and Women 137 Philip C. Njemanze

 7 Follicle Detection and Ovarian Classification in Digital Ultrasound Images of Ovaries 167 P. S. Hiremath and Jyothi R. Tegnoor

 8 Speckle Noise Reduction in Medical Ultrasound Images 201 P.S. Hiremath, Prema T. Akkasaligar and Sharan Badiger

 9 Strategies for Hardware Reduction on the Design of Portable Ultrasound Imaging Systems 243 D. Romero-Laorden, J. Villazón-Terrazas, O. Martínez-Graullera and A. Ibáñez

 10 Breaking Through the Speed Barrier — Advancements in High-Speed Imaging 269 G. P. P. Gunarathne .

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Published by: Unknown - Wednesday, June 5, 2013


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