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Accurate detection of pulmonary nodules with high sensitivity and specificity is essential for automatic lung cancer diagnosis from CT scans. Although many deep learning-based algorithms make great progress for improving the accuracy of…

图像与视频处理 · 电气工程与系统科学 2019-06-12 Jingya Liu , Liangliang Cao , Oguz Akin , Yingli Tian

Due to their radiation hardness, kilohertz frame rates, and high dynamic range, hybrid pixel detectors have recently expanded their application range to electron diffraction and recently also electron imaging. However, these detectors…

Accurate detection of pulmonary nodules with high sensitivity and specificity is essential for automatic lung cancer diagnosis from CT scans. Although many deep learning-based algorithms make great progress for improving the accuracy of…

图像与视频处理 · 电气工程与系统科学 2019-07-30 Jingya Liu , Liangliang Cao , Oguz Akin , Yingli Tian

Imaging nanoscale features using transmission electron microscopy is key to predicting and assessing the mechanical behavior of structural materials in nuclear reactors. Analyzing these micrographs is often a tedious and labour intensive…

应用物理 · 物理学 2020-06-01 Chris Anderson , Jacob Klein , Heygaan Rajakumar , Colin Judge , Laurent K Beland

Histo-pathological diagnostics are an inherent part of the everyday work but are particularly laborious and associated with time-consuming manual analysis of image data. In order to cope with the increasing diagnostic case numbers due to…

In robotic surgery, task automation and learning from demonstration combined with human supervision is an emerging trend for many new surgical robot platforms. One such task is automated anastomosis, which requires bimanual needle handling…

计算机视觉与模式识别 · 计算机科学 2017-11-10 Yang Hu , Yun Gu , Jie Yang , Guang-Zhong Yang

A method enabling automatic detection and tracking of large amounts of individual dust particles in plasmas is presented. Individual trajectories can be found with a good spatiotemporal resolution, even without applying any external light…

数据分析、统计与概率 · 物理学 2010-10-19 Y. Zayachuk , F. Brochard , S. Bardin , J-L. Briançon , R. Hugon , J. Bougdira

Asteroids detection is a very important research field that received increased attention in the last couple of decades. Some major surveys have their own dedicated people, equipment and detection applications, so they are discovering Near…

天体物理仪器与方法 · 物理学 2019-01-10 D. Copandean , C. Nandra , D. Gorgan , O. Vaduvescu

We describe a new neural-network technique developed for an automated recognition of solar filaments visible in the hydrogen H-alpha line full disk spectroheliograms. This technique allows neural networks learn from a few image fragments…

神经与进化计算 · 计算机科学 2007-05-23 V. V. Zharkova , V. Schetinin

We have developed a new halo finding method, Physically Self-Bound (PSB) group finding algorithm, which can efficiently identify halos located even at crowded regions. This method combines two physical criteria such as the tidal radius of a…

天体物理学 · 物理学 2009-11-10 Juhan Kim , Changbom Park

Automatic detection and segmentation of cells and nuclei in microscopy images is important for many biological applications. Recent successful learning-based approaches include per-pixel cell segmentation with subsequent pixel grouping, or…

计算机视觉与模式识别 · 计算机科学 2018-11-09 Uwe Schmidt , Martin Weigert , Coleman Broaddus , Gene Myers

A method for automated coronal hole detection using He I 1083 nm spectroheliograms and photospheric magnetograms is presented here. The unique line formation of the helium line allows for the detection of regions associated with solar…

天体物理学 · 物理学 2007-05-23 C. J. Henney , J. W. Harvey

A new algorithm is developed that automatically detects filaments on the solar disc in H-alpha images. Preprocessing of H-alpha images include corrections for limb darkening and foreshortening. Further, by applying suitable intensity and…

太阳与恒星天体物理 · 物理学 2011-02-01 Anand D. Joshi , Nandita Srivastava , Shibu K. Mathew

We introduce a new concept of a subgraph class called a superbubble for analyzing assembly graphs, and propose an efficient algorithm for detecting it. Most assembly algorithms utilize assembly graphs like the de Bruijn graph or the overlap…

数据结构与算法 · 计算机科学 2013-08-02 Taku Onodera , Kunihiko Sadakane , Tetsuo Shibuya

Radio pulsar surveys are producing many more pulsar candidates than can be inspected by human experts in a practical length of time. Here we present a technique to automatically identify credible pulsar candidates from pulsar surveys using…

天体物理仪器与方法 · 物理学 2015-05-19 R. P. Eatough , N. Molkenthin , M. Kramer , A. Noutsos , M. J. Keith , B. W. Stappers , A. G. Lyne

To cope with the High Luminosity LHC harsh conditions, the ATLAS inner tracker has to be upgraded to meet requirements in terms of radiation hardness, pile up and geometrical acceptance. The active edge technology allows to reduce the…

The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run-1 of LHC. Taking advantage of the long shutdown, the detector was extracted from the experiment and brought to surface, to equip it with new…

仪器与探测器 · 物理学 2015-12-23 Yosuke Takubo

We present a novel way to detect objects when multiband images are available. Typically, object detection is performed in one of the available bands or on a somewhat arbitrarily co-added image. Our technique provides an almost optimal way…

天体物理学 · 物理学 2009-10-31 A. S. Szalay , A. J. Connolly , G. P. Szokoly

Highly granular pixel detectors allow for increasingly precise measurements of charged particle tracks. Next-generation detectors require that pixel sizes will be further reduced, leading to unprecedented data rates exceeding those foreseen…

Antibubbles, which consist of a shell of a low-density fluid inside a high-density fluid, have several promising applications. We show, via extensive direct numerical simulations (DNSs), in both two and three dimensions (2D and 3D), that…

流体动力学 · 物理学 2021-04-01 Nairita Pal , Rashmi Ramadugu , Prasad Perlekar , Rahul Pandit