Conferences related to Ultrasound Medical Imaging

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2023 Annual International Conference of the IEEE Engineering in Medicine & Biology Conference (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted full papers will be peer reviewed. Accepted high quality papers will be presented in oral and poster sessions,will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE.


2020 IEEE International Conference on Image Processing (ICIP)

The International Conference on Image Processing (ICIP), sponsored by the IEEE SignalProcessing Society, is the premier forum for the presentation of technological advances andresearch results in the fields of theoretical, experimental, and applied image and videoprocessing. ICIP 2020, the 27th in the series that has been held annually since 1994, bringstogether leading engineers and scientists in image and video processing from around the world.


2020 IEEE International Conference on Robotics and Automation (ICRA)

The International Conference on Robotics and Automation (ICRA) is the IEEE Robotics and Automation Society’s biggest conference and one of the leading international forums for robotics researchers to present their work.


2020 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC)

All areas of ionizing radiation detection - detectors, signal processing, analysis of results, PET development, PET results, medical imaging using ionizing radiation


2019 IEEE 16th International Symposium on Biomedical Imaging (ISBI)

The IEEE International Symposium on Biomedical Imaging (ISBI) is the premier forum for the presentation of technological advances in theoretical and applied biomedical imaging.ISBI 2019 will be the 16th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2019 meeting will continue this tradition of fostering cross fertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.


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Periodicals related to Ultrasound Medical Imaging

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Biomedical Circuits and Systems, IEEE Transactions on

The Transactions on Biomedical Circuits and Systems addresses areas at the crossroads of Circuits and Systems and Life Sciences. The main emphasis is on microelectronic issues in a wide range of applications found in life sciences, physical sciences and engineering. The primary goal of the journal is to bridge the unique scientific and technical activities of the Circuits and Systems ...


Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Engineering in Medicine and Biology Magazine, IEEE

Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.


Industrial Electronics, IEEE Transactions on

Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, high-power controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.


Information Technology in Biomedicine, IEEE Transactions on

Telemedicine, teleradiology, telepathology, telemonitoring, telediagnostics, 3D animations in health care, health information networks, clinical information systems, virtual reality applications in medicine, broadband technologies, and global information infrastructure design for health care.


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Most published Xplore authors for Ultrasound Medical Imaging

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Xplore Articles related to Ultrasound Medical Imaging

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Design of level shifter and output driver in HV transmitter IC for ultrasound medical imaging application

2014 International Conference on Communication and Signal Processing, 2014

This paper demonstrates an analog front end High Voltage (HV) transmitter Integrated Circuit for ultrasound medical imaging application. This consists of output driver and level shifter to produce the required voltage pulse. The proposed HV transmitter is designed in a way to achieve high integration by using CMOS transistor that can drive the Capacitive Micro machined Ultrasound Transducer (CMUT) without ...


Combined Pulse Compression and Adaptive Beamforming in Coded Excitation Ultrasound Medical Imaging

2009 International Conference on Signal Processing Systems, 2009

Coded excitation has been studied and applied to medical ultrasound for several years. The advantages of using coded excitation compared to the conventional pulses are improved SNR, minimized exposure of patients to potential biological effects, and the ability of using even higher ultrasonic frequencies. However, the major problem associated with coded excitation is the high side-lobe level which introduces the ...


A single-chip time-interleaved 32-channel analog beamformer for ultrasound medical imaging

2012 IEEE Asian Solid State Circuits Conference (A-SSCC), 2012

This paper proposes a single-chip time-interleaved 32-channel analog beamformer for ultrasound medical imaging. The proposed analog beamformer circuit consists of multiple sub analog beamformers which are time-interleaved for beamforming of multiple focal points on a scan line. Each sub analog beamformer executes beamforming for an assigned focal point on a scan line sequentially by sampling and summing the ultrasound echo ...


A reduced-size look-up-table for ADC sample-times of a single-chip non-uniform-sampling digital-beamformer for ultrasound medical imaging

2015 International SoC Design Conference (ISOCC), 2015

The size of the look-up-table to store the ADC sample-times was reduced by around 200 times to implement a single-chip non-uniform-sampling 32-channel digital-beamformer for ultrasound medical imaging. It was achieved by storing the 2nd derivatives of sample-times w.r.t. focal point numbers on a scanline. The proposed digital-beamformer includes the LUT, sample clock generators for ADCs, LNAs, VGAs, ADCs, and DBF ...


A Single-Chip 32-Channel Analog Beamformer With 4-ns Delay Resolution and 768-ns Maximum Delay Range for Ultrasound Medical Imaging With a Linear Array Transducer

IEEE Transactions on Biomedical Circuits and Systems, 2015

A single-chip 32-channel analog beamformer is proposed. It achieves a delay resolution of 4 ns and a maximum delay range of 768 ns. It has a focal-point based architecture, which consists of 7 sub-analog beamformers (sub-ABF). Each sub-ABF performs a RX focusing operation for a single focal point. Seven sub- ABFs perform a time-interleaving operation to achieve the maximum delay ...


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Educational Resources on Ultrasound Medical Imaging

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IEEE-USA E-Books

  • Design of level shifter and output driver in HV transmitter IC for ultrasound medical imaging application

    This paper demonstrates an analog front end High Voltage (HV) transmitter Integrated Circuit for ultrasound medical imaging application. This consists of output driver and level shifter to produce the required voltage pulse. The proposed HV transmitter is designed in a way to achieve high integration by using CMOS transistor that can drive the Capacitive Micro machined Ultrasound Transducer (CMUT) without breakdown reliability problem. The HV transmitter can generate voltage over 30Vp-p from the input of 1.8Vp-p at a frequency of 5MHz with minimum delay and also it occupies less area.

  • Combined Pulse Compression and Adaptive Beamforming in Coded Excitation Ultrasound Medical Imaging

    Coded excitation has been studied and applied to medical ultrasound for several years. The advantages of using coded excitation compared to the conventional pulses are improved SNR, minimized exposure of patients to potential biological effects, and the ability of using even higher ultrasonic frequencies. However, the major problem associated with coded excitation is the high side-lobe level which introduces the side-lobe artifacts. In this paper, we have utilized the adaptive beamforming to suppress the side-lobe effects and thus enhance the resolution in a coded excitation ultrasound imaging system. Simulation results showed that by applying minimum variance adaptive beamformer to a chirp-excited ultrasound imaging system, significant improvement in both SNR and resolution can be achieved.

  • A single-chip time-interleaved 32-channel analog beamformer for ultrasound medical imaging

    This paper proposes a single-chip time-interleaved 32-channel analog beamformer for ultrasound medical imaging. The proposed analog beamformer circuit consists of multiple sub analog beamformers which are time-interleaved for beamforming of multiple focal points on a scan line. Each sub analog beamformer executes beamforming for an assigned focal point on a scan line sequentially by sampling and summing the ultrasound echo signals of 32 channels. The proposed 32-channel analog beamformer circuit was fabricated in a single chip with an active area of 15.75 mm2 in a 0.13 μm standard CMOS process. The total power consumption of the chip is 150 mW with a 1.2V supply. The delay resolution of the implemented analog beamformer circuit is 1/200 of the ultrasound carrier period. The analog beamformer operation was successfully verified through measurements by applying the emulated ultrasound echo signals taken from a commercial ultrasound imaging device through commercial DAC chips to the fabricated chip.

  • A reduced-size look-up-table for ADC sample-times of a single-chip non-uniform-sampling digital-beamformer for ultrasound medical imaging

    The size of the look-up-table to store the ADC sample-times was reduced by around 200 times to implement a single-chip non-uniform-sampling 32-channel digital-beamformer for ultrasound medical imaging. It was achieved by storing the 2nd derivatives of sample-times w.r.t. focal point numbers on a scanline. The proposed digital-beamformer includes the LUT, sample clock generators for ADCs, LNAs, VGAs, ADCs, and DBF in a single-chip. A 15-dot image was successfully reconstructed by the proposed chip with simulation.

  • A Single-Chip 32-Channel Analog Beamformer With 4-ns Delay Resolution and 768-ns Maximum Delay Range for Ultrasound Medical Imaging With a Linear Array Transducer

    A single-chip 32-channel analog beamformer is proposed. It achieves a delay resolution of 4 ns and a maximum delay range of 768 ns. It has a focal-point based architecture, which consists of 7 sub-analog beamformers (sub-ABF). Each sub-ABF performs a RX focusing operation for a single focal point. Seven sub- ABFs perform a time-interleaving operation to achieve the maximum delay range of 768 ns. Phase interpolators are used in sub-ABFs to generate sampling clocks with the delay resolution of 4 ns from a low frequency system clock of 5 MHz. Each sub-ABF samples 32 echo signals at different times into sampling capacitors, which work as analog memory cells. The sampled 32 echo signals of each sub-ABF are originated from one target focal point at one instance. They are summed at one instance in a sub-ABF to perform the RX focusing for the target focal point. The proposed ABF chip has been fabricated in a 0.13- μm CMOS process with an active area of 16 mm2. The total power consumption is 287 mW. In measurement, the digital echo signals from a commercial ultrasound medical imaging machine were applied to the fabricated chip through commercial DAC chips. Due to the speed limitation of the DAC chips, the delay resolution was relaxed to 10 ns for the real-time measurement. A linear array transducer with no steering operation is used in this work.

  • Design of Integrated Bipolar Symmetric Output DC–DC Power Converter for Digital Pulse Generators in Ultrasound Medical Imaging Systems

    This paper presents a bipolar symmetric output switching dc-dc converter for digital pulse generators in ultrasound medical imaging systems. The proposed power stage architecture can generate symmetric bipolar supply voltages, while operating in a time-interleaving manner. Meanwhile, in order to power unipolar pulse generators with the same peak-to-peak pulse amplitude, the power stage can also be reconfigured to deliver a 2× unipolar output voltage. The power converter employs an adaptive ΔI charge balance control scheme to ensure that the outputs are symmetrically balanced and well regulated. At the circuit level, to utilize a single feedback controller for both power stage topologies, the assignment of a suitable chip ground is discussed. A prototype is fabricated using a 0.25-μm CMOS process and occupies a chip area of 6 mm2. For an input supply voltage of 1.5 V, the dc-dc converter can regulate the bipolar outputs at a nominal voltage level of ±2.5 V and at 5 V for the unipolar output configuration and a maximum load current of 45 mA for both. The bipolar output power converter achieves a maximum efficiency of 83.4% at a load power of 187.5 mW, with the voltage balance error maintained within ± 2% over the entire load range.

  • A CMOS High-Voltage Transmitter IC for Ultrasound Medical Imaging Applications

    A high-voltage (HV) transmitter integrated circuit for ultrasound medical imaging applications is implemented using 0.18-μm bipolar/CMOS/DMOS technology. The proposed HV transmitter achieves high integration by only employing standard CMOS transistors in a stacked configuration with dynamic gate biasing circuit while successfully driving the capacitive micromachined ultrasound transducer device immersed in an oil environment without breakdown reliability issues. The HV transmitter including the output driver and the voltage level shifters generates over 10-V_p_-_p_pulses at 1.25-MHz frequency and occupies only 0.022 mm2of core die area.

  • Joint compressive sampling and deconvolution in ultrasound medical imaging

    The interest of compressive sampling and image deconvolution has been extensively explored in the ultrasound imaging literature. The first seeks to reduce the volume of acquired data and/or to accelerate the frame rate. The second aims at improving the ultrasound image quality in terms of spatial resolution, contrast and signal to noise ratio. In this paper, we propose a novel approach combining these two frameworks, resulting into a compressive deconvolution technique aiming at obtaining high quality reconstructions from a reduced number of measurements. The resulting inverse problem is solved by minimizing an objective function taking into account the data attachment term and two appropriate prior information terms adapted to ultrasound imaging.

  • Beamforming with sparse prior in ultrasound medical imaging

    Nowadays the classical Delay-and-Sum (DAS) beamformer is extensively used in ultrasound imaging due to its low computational characteristics. However, it suffers from high sidelobe level, poor resolution and low contrast. An alternative is the Minimum-Variance (MV) beamformer which results in a higher image quality both in terms of spatial resolution and contrast. Even so, these benefits come at the expense of a higher computation complexity that limits its real-time capabilities. One solution that recently gained noticeable interest is the exploit of the sparsity of the scanned medium. Based on this assumption, we extend the DAS method to yield sparse results by using the Bayesian Information Criterion (BIC). Our realistic simulations demonstrate that the proposed beamforming (BF) method shows better performance than the classical DAS and MV in terms of lateral resolution, sidelobe reduction and contrast.

  • MEMS-Based Scanner Dedicated for Ultrasound Medical Imaging

    In this paper, the development of a micro electromechanical scanner incorporating high frequency ultrasound transducer operating at 3.5 MHz is presented. We describe the structure and analysis of a microsystem that can be used as a scanner in based medical imaging system. The scanner consists of a rectangular platform attached to a frame actuated using four trapezium electrodes. The behavior of the scanner has been modeled using finite element analysis. The scan angles are up to plusmn5deg for the platform and plusmn2deg for the frame. Currently, the scanner is being fabricated according to the standard PolyMUMPs process. We propose this kind of scanners since it offers reduced size, power consumption, and increased speed, positioning accuracy, parallelism using arrays and reliability.



Standards related to Ultrasound Medical Imaging

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Jobs related to Ultrasound Medical Imaging

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