搜索结果: 1-15 共查到“国际动态 imaging”相关记录52条 . 查询时间(0.093 秒)
Using state-of-the-art magnetic imaging, a Cornell-led collaboration has for the first time characterized a key property of the superconducting state of a class of atomically thin materials that are t...
Sodium-ion batteries have been touted as a sustainable alternative to lithium-ion batteries because they are powered by a more abundant natural resource. However, sodium-ion batteries have hit a signi...
Tests conducted by Cornell and the U.S. Navy used new algorithms to outperform state-of-the-art programming for autonomous underwater sonar imaging, significantly improving the speed and accuracy for ...
《IEEE Transactions on Medical Imaging》报道应用基于神经网络架构搜索和多模态成像的术中胶质瘤分级技术（图）
神经网络架构 胶质瘤 多模态成像 医学图像
2022/9/9
术中胶质瘤分级有助于制定临床治疗计划并改善预后，但术中冰冻切片病理检查因处理时间长、程序复杂而受到限制。近红外荧光成像为快速准确的实时诊断提供了机会，与神经网络/深度学习技术的融合被认为是最有前景的研究方向。然而，近红外荧光图像的小尺度、噪声和低分辨率等问题增加了网络的训练难度。多模态成像可以提供更多的信息以提高模型性能，但设计合适网络的同时利用多模态信息数据具有挑战性。
More sensitive X-ray imaging（图）
X射线成像 光材料 闪烁体
2023/6/7
Scintillators are materials that emit light when bombarded with high-energy particles or X-rays. In medical or dental X-ray systems, they convert incoming X-ray radiation into visible light that can t...
Microscopists have long sought a way to produce high-quality, deep-tissue imaging of living subjects in a timely fashion. To date, they have had to choose between image quality or speed when looking i...
Coming soon to a lab tabletop near you: a method of magneto-thermal imaging that offers nanoscale and picosecond resolution previously available only in synchrotron facilities.
Century-old problem solved with first-ever 3D atomic imaging of an amorphous solid（图）
Century-old problem solved first-ever 3D atomic imaging amorphous solid
2021/4/16
Glass, rubber and plastics all belong to a class of matter called amorphous solids. In spite of how common they are in our everyday lives, amorphous solids have long posed a challenge to scientists.Si...
Researchers use satellite imaging to map groundwater use in California's Central Valley（图）
satellite imaging map groundwater California Central Valley
2020/10/16
Researchers at the University of California, San Diego report a new way to improve groundwater monitoring by using a remote sensing technology, known as InSAR (interferometric synthetic aper...
Novel, label-free imaging technique brings out the inner light in T cells（图）
Novel label-free imaging technique brings out inner light T cells
2020/7/31
T cells are the immune soldiers at the frontline of the battle with infiltrating pathogens that seek to cause disease. A new studypublished in Nature Biomedical Engineering describes a ...
Scientists develop numerical capability of laser-driven X-ray imaging（图）
Scientists numerical capability laser-driven X-ray imaging
2020/7/3
A team of scientists led by University of Nevada Reno physicist Hiroshi Sawada has demonstrated that numerical modeling accurately reproduces X-ray images using laser-produced X-rays.The ima...
Tiny terahertz laser could be used for imaging,chemical detection（图）
Tiny terahertz laser imaging chemical detection
2017/9/4
Terahertz radiation — the band of the electromagnetic spectrum between microwaves and visible light — has promising applications in medical and industrial imaging and chemical detection, among other u...
How do T cells, the beat cops of the immune system, detect signs of disease without the benefit of eyes? Like most cells, they explore their surroundings through direct physical contact, but how T cel...
New Material Could Save Time and Money in Medical Imaging and Environmental Remediation
New Material Save Time Money Medical Imaging Environmental Remediation
2017/4/27
Chemists at The University of Texas at Austin have developed a material that holds the key to cheap, fast and portable new sensors for a wide range of chemicals that right now cost government and indu...
Super Resolution Imaging Helps Determine a Stem Cell’s Future
Super Resolution Imaging Stem Cell Future
2017/3/14
Scientists at Rutgers and other universities have created a new way to identify the state and fate of stem cells earlier than previously possible.Understanding a stem cell’s fate – the type...