Posted 5 days ago Using X-rays to see inside the human body has revolutionized non-invasive medical diagnostics. However, the dose of X-rays required for imaging is far higher than background levels, due to the poor performance of the detector materials currently available. This can cause harm to patients and in some cases even cancer. Photovoltaic solar panels –...
Tag: <span>medical imaging</span>
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Magnetic guidewire steering at ultrahigh magnetic fields for medical imaging
by Thamarasee Jeewandara, Medical Xpress Magnetic guidewire actuation concept at UHF inside an MRI scanner. (A) A clinical scenario of UHF actuation. The surgeon manually steers the guidewire using the magnetic fields inside the MRI scanner by observing real-time feedback from MRI images. (B to D) Guidewire bending by insertion to the MRI scanner for different magnetization...
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AI in medical imaging could magnify health inequities, study finds
by Vanessa McMains, University of Maryland School of Medicine Credit: Pixabay/CC0 Public Domain Artificial intelligence (AI) technology in the medical field has the possibility to automate diagnoses, decrease physician workload, and even to bring specialized healthcare to people in rural areas or developing countries. However, with possibility comes potential pitfalls. Analyzing crowd-sourced sets of data used...
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Investigating hallucinations in medical imaging
BECKMAN INSTITUTE FOR ADVANCED SCIENCE AND TECHNOLOGY IMAGE: HEADSHOTS OF CO-FIRST AUTHORS ON THIS STUDY, VARUN KELKAR AND SAYANTAN BHADRA, ALONG WITH THE LEAD INVESTIGATOR, MARK ANASTASIO. CREDIT: THE BECKMAN INSTITUTE FOR ADVANCED SCIENCE AND RESEARCH Machine-learning methods are being actively developed for computed imaging systems like MRI. However, these methods occasionally introduce false, unexplainable...
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Self-learning algorithms analyze medical imaging data
by Technical University Munich Thanks to artificial intelligence, the AIMOS software is able to recognize bones and organs on three-dimensional grayscale images and segments them, which makes the subsequent evaluation considerably easier. Credit: Astrid Eckert / TUM Imaging techniques enable a detailed look inside an organism. But interpreting the data is time-consuming and requires a great...
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Low doses of radiation used in medical imaging lead to mutations in cell cultures
by Public Library of Science Common medical imaging procedures use low doses of radiation that are believed to be safe. A new study, however, finds that in human cell cultures, these doses create breaks that allow extra bits of DNA to integrate into the chromosome. Roland Kanaar and Alex Zelensky of Erasmus University Medical Center...
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Tiny Medical Imaging Sensor Sets Guinness World Record
OCTOBER 22ND, 2019 MEDGADGET EDITORSCARDIAC SURGERY, NEWS, ONCOLOGY, PATHOLOGY, RADIOLOGY, UROLOGY, VASCULAR SURGERY OmniVision Technologies, a Santa Clara, California firm, just announced that it has won the Guinness World Record for “The Smallest Commercially Available Image Sensor”. The OV6948 sensor was designed for use in catheters and endoscopes, allowing these devices to be as small...
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Diamond ‘spin-off’ tech could lead to low-cost medical imaging and drug discovery tools
Team led by Berkeley Lab and UC Berkeley researchers exploits tiny defects in diamonds to pave the way for enhanced biological imaging and drug studies IMAGE: A MICROSCOPIC IMAGE OF DIAMOND PARTICLES WITH NITROGEN-VACANCY DEFECTS. THESE SAMPLES, WHICH EXHIBIT A TRUNCATED OCTAHEDRAL SHAPE, WERE USED IN EXPERIMENTS THAT SOUGHT NEW WAYS TO TUNE AND CONTROL It may sound...