dreyer
VIDEO: Use cases and implementation strategies for radiology artificial intelligence
He has been heavily involved in radiology informatics and has seen up close the evolution of radiology toward deeper integration with artificial intelligence (AI). Kahn explains there is a lot of work involved to integrate AI into radiology systems. He also said the role of AI is becoming more important as the U.S. faces a growing shortage of radiologists, and the technology can help augment radiologists to do more and improve patient care. "Every time someone comes in and asks to install an AI application in the radiology department, it means someone has to get the legal agreements and all the contracting done, but then you have to connect it in with your systems," Kahn said. This includes connecting it, ideally, within the EMR, PACS and other systems used by radiology.
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VIDEO: Overview of radiology AI by Keith Dreyer
Keith J. Dreyer, DO, PhD, FACR, American College of Radiology (ACR) Data Science Institute Chief Science Officer, explains the state of artificial intelligence (AI) in radiology in 2022. Although there are about 200 AI algorithms for medical imaging now cleared by the U.S. Food and Drug Administration (FDA), a recent ACR survey of its members showed AI only has about a 2% market penetration rate. "So, there is about another 98% that fall into the category of potential addressable market," Dreyer said. "Now why is that when there is a lot of enthusiasm and we are past the days from six years ago when radiologists were fearful of losing their jobs to AI because Geoffrey Hinton said we should stop training radiologists because AI will take over in another 5 years. That was in 2016, and are now past the five-year mark and it's ridiculous, because today there is an incredible shortage of radiologists."
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VIDEO: Segmenting the Radiology Artificial Intelligence Market by Function
"Today, we live in that quadrant of things humans can do and humans are supervising," Dreyer explained. "That is all the [U.S. Food and Drug Administration (FDA)] approved AI stuff that we see today." He said the next step is for AI to move into the realm of superhuman work, such as measuring 1,000 lymph nodes at once, or to make a risk prediction about future events in the next two years based on the patient's prior 40 images, because it looks like a million other patients' scans. Dreyer said the FDA is in discussions with vendors on fully autonomous AI for radiology applications, but the agency wants to see controls built into the software.
The State of Radiology AI in 2019
For years, one continuously swirling question in radiology has been whether artificial intelligence (AI) has become sophisticated enough to be used in clinical practice--and the most dreaded question of all: whether it is advanced enough to unseat the practicing provider. So far, the answer has been "not yet." And, for those waiting with bated breath, the answer is still no--and, it won't be any time soon. But, according to many industry experts, there continues to be a great deal of ongoing work devoted to developing tools that can streamline and expedite the daily activities of the radiologist. "The hype for artificial intelligence is far from what is actually being used as artificial intelligence," says Alexander Logsdon, MD, an early interventional radiology resident at Nova Southeastern University.
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Lund jet images from generative and cycle-consistent adversarial networks
Carrazza, Stefano, Dreyer, Frédéric A.
We introduce a generative model to simulate radiation patterns within a jet using the Lund jet plane. We show that using an appropriate neural network architecture with a stochastic generation of images, it is possible to construct a generative model which retrieves the underlying two-dimensional distribution to within a few percent. We compare our model with several alternative state-of-the-art generative techniques. Finally, we show how a mapping can be created between different categories of jets, and use this method to retroactively change simulation settings or the underlying process on an existing sample. These results provide a framework for significantly reducing simulation times through fast inference of the neural network as well as for data augmentation of physical measurements.
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Artificial intelligence better than humans at predicting premature death: Study
Robots with artificial intelligence (AI) might have once seemed like an idea only possible in science fiction, but as technology advances, chances are they will become more common. One such robot, for example, spoke to members of the United Kingdom Parliament last year about caring for the elderly. More recently, researchers at the University of Nottingham in the UK developed what's known as a "machine learning algorithm" -- think about it as a robot brain -- capable of learning from reams of data and then making predictions based on the data. In a new study, the algorithm was able to predict the risk of premature death in a group of middle aged people with better accuracy than a human with statistical models. The AI also took a fraction of the usual time to do so.
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Using AI to Help Stroke Victims When 'Time Is Brain'
Since entrepreneur Chris Mansi cofounded Viz.ai in 2016, the best-funded wizards of artificial intelligence have taken on board games, and created emoji that mirror your facial expressions. Meanwhile, Mansi has been developing algorithms to save the brain cells of stroke patients. This month, the Food and Drug Administration cleared Viz.ai to market its algorithms to doctors and hospitals. It was a small breakthrough toward using AI to make healthcare more efficient and powerful. Someone in the US suffers a stroke every 40 seconds, according to the Centers for Disease Control.
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Artificial Intelligence Can Help Stroke Victims When 'Time Is Brain'
Since entrepreneur Chris Mansi cofounded Viz.ai in 2016, the best-funded wizards of artificial intelligence have taken on board games, and created emoji that mirror your facial expressions. Meanwhile, Mansi has been developing algorithms to save the brain cells of stroke patients. This month, the Food and Drug Administration cleared Viz.ai to market its algorithms to doctors and hospitals. It was a small breakthrough toward using AI to make healthcare more efficient and powerful. Someone in the US suffers a stroke every 40 seconds, according to the Centers for Disease Control.
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AI Healthcare Expert: Doctors And Machines Make A Brilliant Match - GE Reports
It's kind of a no-brainer that Dr. Keith Dreyer would be among those who lead the advance of artificial intelligence into healthcare. Dreyer is a rare breed, a radiologist who teaches at Harvard Medical School, but he also holds a degree in mathematics and has a doctorate in computer science. So it's fitting that Dreyer serves as the chief data science officer at Partners HealthCare, a healthcare network that includes Brigham and Women's Hospital and Massachusetts General Hospital, two of America's most prestigious medical institutions. Earlier this year, Partners and GE Healthcare signed a 10-year agreement to "integrate artificial intelligence into every aspect of the patient journey." A hospital generates some 50 petabytes of data per year on average, enough to fill 20 million four-drawer filing cabinets with standard pages of text.
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GE and its healthcare partners want to bring AI to patient care
GE Healthcare and the corporate parent of two of Harvard University's teaching hospitals will spend the next ten years working on ways to bring artificial intelligence (AI) to every aspect of a hospital visit, the companies announced today. The Center for Clinical Data Science will include teams from both companies and will develop, test and deploy AI software at Massachusetts General Hospital (MGH) and Brigham and Women's Hospital, the Boston Globe reported. GE, which moved its corporate headquarters to Boston last year, is working to transform itself from an industrial company to one that develops software that powers equipment from MRI machines to jet engines, among other innovations, the article noted. AI -- sometimes called deep learning technology -- refers to computers that can sift through vast amounts of data and learn to become more accurate and efficient over time. Executives from GE, one of the nation's largest corporations, and Partners Healthcare (which owns MGH and Brigham and Women's Hospital), said integrating the technology into healthcare could help patients receive better care.
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