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Related papers: FastCAT: Fast Cone Beam CT (CBCT) Simulation

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Dense optical flow estimation plays a key role in many robotic vision tasks. In the past few years, with the advent of deep learning, we have witnessed great progress in optical flow estimation. However, current networks often consist of a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Lingtong Kong , Chunhua Shen , Jie Yang

In x-ray coherent scatter tomography, tomographic measurements of the forward scatter distribution are used to infer scatter densities within a volume. A radiopaque 2D pattern placed between the object and the detector array enables the…

Ultra high dose rate electron beams also known as FLASH radiotherapy is becoming of importance in several preclinial cancer treatment studies. However, due to the dose rate used during the irradiation sessions, no real time dose monitoring…

Medical Physics · Physics 2022-08-19 Chloe Lahaye , Jean-Marc Fontbonne , Samuel Salvador

X-ray fluorescence computed tomography (XFCT), a form of X-ray molecular imaging, offers detailed quantitative imaging capabilities for high-Z metal nanoparticles (MNPs), which are widely studied for their applications in multifunctional…

Radiation transport simulations were used to analyse neutron imaging with the current-biased kinetic inductance detector (CB-KID). The PHITS Monte Carlo code was applied for simulating neutron, $^{4}$He, $^{7}$Li, photon and electron…

Instrumentation and Detectors · Physics 2019-12-05 Alex Malins , Masahiko Machida , The Dang Vu , Kazuya Aizawa , Takekazu Ishida

Depth sensing is a critical function for robotic tasks such as localization, mapping and obstacle detection. There has been a significant and growing interest in depth estimation from a single RGB image, due to the relatively low cost and…

Computer Vision and Pattern Recognition · Computer Science 2019-03-11 Diana Wofk , Fangchang Ma , Tien-Ju Yang , Sertac Karaman , Vivienne Sze

In radiation therapy (RT), the reliance on pre-treatment computed tomography (CT) images encounter challenges due to anatomical changes, necessitating adaptive planning. Daily cone-beam CT (CBCT) imaging, pivotal for therapy adjustment,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-20 Joonil Hwang , Sangjoon Park , NaHyeon Park , Seungryong Cho , Jin Sung Kim

The Compressed Baryonic Matter (CBM) experiment is a part of the Facility for Antiproton and Ion Research (FAIR) in Darmstadt at the GSI. The CBM experiment will investigate the highly compressed nuclear matter using nucleus-nucleus…

Hardware Architecture · Computer Science 2016-01-20 Suman Sau , Swagata Mandal , Jogender Saini , Amlan Chakrabarti , Subhasis Chattopadhyay

Scatter signals can degrade the contrast and resolution of computed tomography (CT) images and induce artifacts. How to effectively correct scatter signals in CT has always been a focal point of research for researchers. This work presents…

Medical Physics · Physics 2025-01-10 Guiyuan Lin , Shiwo Deng , Xiaoqun Wang , Xing Zhao

Cone beam computed tomography (CBCT)-guided puncture has become an established approach for diagnosing and treating early- to mid-stage thoracic tumours, yet the associated radiation exposure substantially elevates the risk of secondary…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Haoshen Wang , Lei Chen , Wei-Hua Zhang , Linxia Wu , Yong Luo , Zengmao Wang , Yuan Xiong , Chengcheng Zhu , Wenjuan Tang , Xueyi Zhang , Wei Zhou , Xuhua Duan , Lefei Zhang , Gao-Jun Teng , Bo Du , Huangxuan Zhao

This study develops and validates a patient-specific Monte Carlo (MC) dosimetry framework for propagation-based phase-contrast breast CT (BCT) at the Imaging and Medical Beamline (IMBL), ANSTO Australian Synchrotron, for accurate mean…

Cone Beam CT (CBCT) plays a crucial role in Adaptive Radiation Therapy (ART) by accurately providing radiation treatment when organ anatomy changes occur. However, CBCT images suffer from scatter noise and artifacts, making relying solely…

Image and Video Processing · Electrical Eng. & Systems 2023-08-08 Linjie Fu , Xia Li , Xiuding Cai , Dong Miao , Yu Yao , Yali Shen

Several emerging microscopy imaging methods rely on complex interactions between the incident light and the sample. These include interferometry, spectroscopy, and nonlinear optics. Reconstructing a sample from the measured scattered field…

Optics · Physics 2024-04-12 Ruijiao Sun , Rohith Reddy , David Mayerich

We present a GPU-accelerated method for muon transport based on histogram sampling that delivers orders of magnitude faster performance than CPU-based Geant4 simulation. Our method employs precomputed histograms of momentum loss and…

Computational Physics · Physics 2025-12-12 Luis Felipe P. Cattelan , Shah Rukh Qasim , Patrick H. Owen , Nicola Serra

Virtual try-on methods based on diffusion models achieve realistic try-on effects. They use an extra reference network or an additional image encoder to process multiple conditional image inputs, which adds complexity pre-processing and…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Junsheng Luan , Guangyuan Li , Lei Zhao , Wei Xing

In this paper, we describe the design and implementation of a high precision real time NAND simulator called Copycat that runs on a commodity multi-core desktop environment. This NAND simulator facilitates the development of embedded flash…

Hardware Architecture · Computer Science 2016-12-22 Juyong Shin , Jongbo Bae , Ansu Na , Sang Lyul Min

While beam search improves speech recognition quality over greedy decoding, standard implementations are slow, often sequential, and CPU-bound. To fully leverage modern hardware capabilities, we present a novel open-source FlexCTC toolkit…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-14 Lilit Grigoryan , Vladimir Bataev , Nikolay Karpov , Andrei Andrusenko , Vitaly Lavrukhin , Boris Ginsburg

The conceptual design and operational principle of a novel high-efficiency, fast neutron imaging detector based on THGEM, intended for future fan-beam transmission tomography applications, is described. We report on a feasibility study…

Instrumentation and Detectors · Physics 2015-06-04 M. Cortesi , R. Zboray , R. Adams , V. Dangendorf , H. -M. Prasser

Total-body positron emission tomography (PET) imaging has the potential to transform medical care of a number of diseases and augment our knowledge of systems biology. Various detector designs and geometries are currently under development…

The combination of different cosmological probes offers stringent tests of the $\Lambda$CDM model and enhanced control of systematics. For this purpose, we present an extension of the lightcone generator UFalcon first introduced in Sgier et…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-17 Raphael Sgier , Janis Fluri , Jörg Herbel , Alexandre Réfrégier , Adam Amara , Tomasz Kacprzak , Andrina Nicola
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