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Ultrasound B-mode Imaging: Beamforming and Image Formation Techniques

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ISBN: 9783039211999 9783039212002 Year: Pages: 146 DOI: 10.3390/books978-3-03921-200-2 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 11:49:15
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Abstract

Ultrasound medical imaging stands out among the other diagnostic imaging modalities for its patient-friendliness, high temporal resolution, low cost, and absence of ionizing radiation. On the other hand, it may still suffer from limited detail level, low signal-to-noise ratio, and narrow field-of-view. In the last decade, new beamforming and image reconstruction techniques have emerged which aim at improving resolution, contrast, and clutter suppression, especially in difficult-to-image patients. Nevertheless, achieving a higher image quality is of the utmost importance in diagnostic ultrasound medical imaging, and further developments are still indispensable. From this point of view, a crucial role can be played by novel beamforming techniques as well as by non-conventional image formation techniques (e.g., advanced transmission strategies, and compounding, coded, and harmonic imaging). This Special Issue includes novel contributions on both ultrasound beamforming and image formation techniques, particularly addressed at improving B-mode image quality and related diagnostic content. This indeed represents a hot topic in the ultrasound imaging community, and further active research in this field is expected, where many challenges still persist.

MEMS Technology for Biomedical Imaging Applications

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ISBN: 9783039216048 9783039216055 Year: Pages: 218 DOI: 10.3390/books978-3-03921-605-5 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 11:49:16
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Biomedical imaging is the key technique and process to create informative images of the human body or other organic structures for clinical purposes or medical science. Micro-electro-mechanical systems (MEMS) technology has demonstrated enormous potential in biomedical imaging applications due to its outstanding advantages of, for instance, miniaturization, high speed, higher resolution, and convenience of batch fabrication. There are many advancements and breakthroughs developing in the academic community, and there are a few challenges raised accordingly upon the designs, structures, fabrication, integration, and applications of MEMS for all kinds of biomedical imaging. This Special Issue aims to collate and showcase research papers, short commutations, perspectives, and insightful review articles from esteemed colleagues that demonstrate: (1) original works on the topic of MEMS components or devices based on various kinds of mechanisms for biomedical imaging; and (2) new developments and potentials of applying MEMS technology of any kind in biomedical imaging. The objective of this special session is to provide insightful information regarding the technological advancements for the researchers in the community.

Keywords

tilted microcoil --- electromagnetically-driven --- surface micromachining --- polyimide capillary --- MEMS --- ego-motion estimation --- indoor navigation --- monocular camera --- scale ambiguity --- wearable sensors --- photoacoustic --- microelectromechanical systems (MEMS) --- miniaturized microscope --- lead-free piezoelectric materials --- high frequency ultrasonic transducer --- needle-type --- high spatial resolution --- ultrahigh frequency ultrasonic transducer --- Si lens --- tight focus --- finite element simulation --- low noise amplifier (LNA) --- noise figure --- smart hydrogels --- bio-sensors --- chemo-sensor --- electrochemical sensors --- transduction techniques --- near-field microwave --- microwave resonator --- microwave remote sensing --- potentiometric sensor --- gold nanoparticles --- metal oxide field-effect transistor --- chemo-FET --- bio-FET --- photoacoustic imaging --- microelectromechanical systems (MEMS) --- MEMS scanning mirror --- micromachined US transducer --- microring resonator --- acoustic delay line --- MEMS mirror --- Lissajous scanning --- pseudo-resonant --- sensing --- imaging --- display --- MEMS actuators --- microendoscopy --- confocal --- two-photon --- wide-filed imaging --- photoacoustic --- fluorescence --- scanner --- capacitive micromachined ultrasonic transducer (CMUT) --- acoustics --- micromachining --- capacitive --- transducer --- modelling --- fabrication --- 3D Printing --- piezoelectric array --- ultrasonic transducer --- ultrasonic imaging --- micro-optics --- bioimaging --- microtechnology --- microelectromechanical systems (MEMS) --- in vitro --- in vivo --- cantilever waveguide --- electrostatic actuator --- non-resonating scanner --- optical scanner --- push-pull actuator --- rib waveguide --- n/a

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