Fiducial marker ≈ Fiducial marker
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First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment Open
The LUX-ZEPLIN experiment is a dark matter detector centered on a dual-phase xenon time projection chamber operating at the Sanford Underground Research Facility in Lead, South Dakota, USA. This Letter reports results from LUX-ZEPLIN's fir…
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Hydrogel Spacer Prospective Multicenter Randomized Controlled Pivotal Trial: Dosimetric and Clinical Effects of Perirectal Spacer Application in Men Undergoing Prostate Image Guided Intensity Modulated Radiation Therapy Open
Spacer application was well tolerated. Increased perirectal space reduced rectal irradiation, reduced rectal toxicity severity, and decreased rates of patients experiencing declines in bowel quality of life. The spacer appears to be an eff…
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Routine single particle CryoEM sample and grid characterization by tomography Open
Single particle cryo-electron microscopy (cryoEM) is often performed under the assumption that particles are not adsorbed to the air-water interfaces and in thin, vitreous ice. In this study, we performed fiducial-less tomography on over 5…
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Generalized Fiducial Inference: A Review and New Results Open
R. A. Fisher, the father of modern statistics, proposed the idea of fiducial inference during the first half of the 20th century. While his proposal led to interesting methods for quantifying uncertainty, other prominent statisticians of t…
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ZZ production at the LHC: Fiducial cross sections and distributions in NNLO QCD Open
We consider QCD radiative corrections to the production of four charged leptons in the ZZ signal region at the LHC. We report on the complete calculation of the next-to-next-to-leading order (NNLO) corrections to this process in QCD pertur…
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The Robotic Multiobject Focal Plane System of the Dark Energy Spectroscopic Instrument (DESI) Open
A system of 5020 robotic fiber positioners was installed in 2019 on the Mayall Telescope, at Kitt Peak National Observatory. The robots automatically retarget their optical fibers every 10–20 minutes, each to a precision of several microns…
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Augmented kludge waveforms for detecting extreme-mass-ratio inspirals Open
The extreme-mass-ratio inspirals (EMRIs) of stellar-mass compact objects into massive black holes are an important class of source for the future space-based gravitational-wave detector LISA. Detecting signals from EMRIs will require wavef…
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Dosimetric and workflow evaluation of first commercial synthetic CT software for clinical use in pelvis Open
To evaluate a commercial synthetic CT (syn-CT) software for use in prostate radiotherapy. Twenty-five prostate patients underwent CT and MR simulation scans in treatment position on a 3T MR scanner. A commercially available MR protocol was…
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A standard system phantom for magnetic resonance imaging Open
Purpose A standard MRI system phantom has been designed and fabricated to assess scanner performance, stability, comparability and assess the accuracy of quantitative relaxation time imaging. The phantom is unique in having traceability to…
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Synthetic antibodies against BRIL as universal fiducial marks for single−particle cryoEM structure determination of membrane proteins Open
We propose the concept of universal fiducials based on a set of pre-made semi-synthetic antibodies (sABs) generated by customized phage display selections against the fusion protein BRIL, an engineered variant of apocytochrome b562a. These…
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Vision-based markerless registration using stereo vision and an augmented reality surgical navigation system: a pilot study Open
Teeth were successfully used for registration via 3D image (contour) matching. This system, without using references or fiducial markers, displayed 3D-CT images in real space with high accuracy. The system provided real-time markerless reg…
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A longitudinal four‐dimensional computed tomography and cone beam computed tomography dataset for image‐guided radiation therapy research in lung cancer Open
Purpose To describe in detail a dataset consisting of serial four‐dimensional computed tomography (4DCT) and 4D cone beam CT (4DCBCT) images acquired during chemoradiotherapy of 20 locally advanced, nonsmall cell lung cancer patients we ha…
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Fiducial marker guided prostate radiotherapy: a review Open
Image-guided radiotherapy (IGRT) is an essential tool in the accurate delivery of modern radiotherapy techniques. Prostate radiotherapy positioned using skin marks or bony anatomy may be adequate for delivering a relatively homogeneous who…
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Image-guided techniques for localizing pulmonary nodules in thoracoscopic surgery Open
Low-dose computed tomography (LDCT) screening has increased the detection rate for small pulmonary nodules with ground-glass opacity (GGO) in the peripheral lung parenchyma. Minimally invasive thoracoscopic surgery for these lung nodules i…
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Fixed target combined with spectral mapping: approaching 100% hit rates for serial crystallography Open
The advent of ultrafast highly brilliant coherent X-ray free-electron laser sources has driven the development of novel structure-determination approaches for proteins, and promises visualization of protein dynamics on sub-picosecond times…
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Four‐dimensional MRI using three‐dimensional radial sampling with respiratory self‐gating to characterize temporal phase‐resolved respiratory motion in the abdomen Open
Purpose To develop a four‐dimensional MRI (4D‐MRI) technique to characterize the average respiratory tumor motion for abdominal radiotherapy planning. Methods A continuous spoiled gradient echo sequence was implemented with 3D radial traje…
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Development of a universal nanobody-binding Fab module for fiducial-assisted cryo-EM studies of membrane proteins Open
Significance Structural studies of membrane proteins by cryogenic electron microscopy (cryo-EM) often require antibody fragments (Fabs) to facilitate particle alignments and achieve high resolution. While conformational nanobodies have bee…
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4D-CT deformable image registration using multiscale unsupervised deep learning Open
Deformable image registration (DIR) of 4D-CT images is important in multiple radiation therapy applications including motion tracking of soft tissue or fiducial markers, target definition, image fusion, dose accumulation and treatment resp…
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Image‐guided video assisted thoracoscopic surgery (iVATS) ‐ phase I‐II clinical trial Open
A successful and safe step-wise process has been established for iVATS, combining intra-operative C-arm CT scanning and thoracoscopic surgery in a hybrid operating room.
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Magnetic Particle / Magnetic Resonance Imaging: In-Vitro MPI-Guided Real Time Catheter Tracking and 4D Angioplasty Using a Road Map and Blood Pool Tracer Approach Open
In-vitro evaluation of the feasibility of 4D real time tracking of endovascular devices and stenosis treatment with a magnetic particle imaging (MPI) / magnetic resonance imaging (MRI) road map approach and an MPI-guided approach using a b…
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Performance of the EDELWEISS-III experiment for direct dark matter searches Open
We present the results of measurements demonstrating the efficiency of the EDELWEISS-III array of cryogenic germanium detectors for direct dark matter searches. The experimental setup and the FID (Fully Inter-Digitized) detector array is d…
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Drell-Yan <em>q<sub>T</sub></em> resummation of fiducial power corrections at N<sup>3</sup>LL Open
We consider Drell-Yan production pp → V*X → LX at small qT << Q, where qT and Q are the total transverse momentum and invariant mass of the leptonic final state L. Experimental measurements require fiducial cuts on L, which in general intr…
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A Review of Protocols for Fiducial Reference Measurements of Water-Leaving Radiance for Validation of Satellite Remote-Sensing Data over Water Open
This paper reviews the state of the art of protocols for measurement of water-leaving radiance in the context of fiducial reference measurements (FRM) of water reflectance for satellite validation. Measurement of water reflectance requires…
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Clinical Accuracy of Holographic Navigation Using Point-Based Registration on Augmented-Reality Glasses Open
BACKGROUND As current augmented-reality (AR) smart glasses are self-contained, powerful computers that project 3-dimensional holograms that can maintain their position in physical space, they could theoretically be used as a low-cost, stan…
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Combining deep learning with anatomical analysis for segmentation of the portal vein for liver SBRT planning Open
Automated segmentation of the portal vein (PV) for liver radiotherapy planning is a challenging task due to potentially low vasculature contrast, complex PV anatomy and image artifacts originated from fiducial markers and vasculature stent…
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A Modular Low-Complexity ECG Delineation Algorithm for Real-Time Embedded Systems Open
This work presents a new modular and low-complexity algorithm for the delineation of the different ECG waves (QRS, P and T peaks, onsets, and end). Involving a reduced number of operations per second and having a small memory footprint, th…
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A QRS Detection and R Point Recognition Method for Wearable Single-Lead ECG Devices Open
In the new-generation wearable Electrocardiogram (ECG) system, signal processing with low power consumption is required to transmit data when detecting dangerous rhythms and to record signals when detecting abnormal rhythms. The QRS comple…
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Endoscopic ultrasonography‐guided tumor ablation Open
Real‐time guidance of needle advancement has transformed endoscopic ultrasound ( EUS ) from a diagnostic to an interventional procedure. EUS ‐guided fine‐needle puncture has application in various interventional procedures (drainage of pse…
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On-the-fly augmented reality for orthopedic surgery using a multimodal fiducial Open
Fluoroscopic x-ray guidance is a cornerstone for percutaneous orthopedic surgical procedures. However, two-dimensional (2-D) observations of the three-dimensional (3-D) anatomy suffer from the effects of projective simplification. Conseque…
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Detection and Accurate Localization of Circular Fiducials under Highly Challenging Conditions Open
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