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Diagnostic accuracy for CZT gamma camera compared to conventional gamma camera technique with myocardial perfusion single-photon emission computed tomography: Assessment of myocardial infarction and function
BackgroundThe solid-state cadmium-zinc-telluride (CZT) gamma camera for myocardial perfusion single-photon emission computed tomography (MPS) has...
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Arc-to-line frame registration method for ultrasound and photoacoustic image-guided intraoperative robot-assisted laparoscopic prostatectomy
PurposeTo achieve effective robot-assisted laparoscopic prostatectomy, the integration of transrectal ultrasound (TRUS) imaging system which is the...
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Investigating keypoint descriptors for camera relocalization in endoscopy surgery
PurposeRecent advances in computer vision and machine learning have resulted in endoscopic video-based solutions for dense reconstruction of the...
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Depth over RGB: automatic evaluation of open surgery skills using depth camera
PurposeIn this paper, we present a novel approach to the automatic evaluation of open surgery skills using depth cameras. This work is intended to...
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Learning how to robustly estimate camera pose in endoscopic videos
PurposeSurgical scene understanding plays a critical role in the technology stack of tomorrow’s intervention-assisting systems in endoscopic...
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Kidney dynamic SPECT acquisition on a CZT swiveling-detector ring camera: an in vivo pilot study
BackgroundLarge field of view CZT SPECT cameras with a ring geometry are available for some years now. Thanks to their good sensitivity and high...
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Single-camera photogrammetry using a mobile phone for low-cost documentation of corpses
Photogrammetry is a technique for studying and defining objects’ shape, dimension, and position in a three-dimensional space using measurements...
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Radiation reduction for interventional radiology imaging: a video frame interpolation solution
PurposeThe aim of this study was to diminish radiation exposure in interventional radiology (IR) imaging while maintaining image quality. This was...
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Robust Non-Contact Monitoring of Respiratory Rate using a Depth Camera
PurposeRespiratory rate (RR) is one of the most common vital signs with numerous clinical uses. It is an important indicator of acute illness and a...
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Validity of the frame subtraction method in dynamic postural stability
BackgroundThe movement of targeted subjects can be calculated using the frame subtraction method. However, the validity of this evaluation method of...
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Wide-field imaging with smartphone based fundus camera: grading of severity of diabetic retinopathy and locating peripheral lesions in diabetic retinopathy
AimTo assess the performance of smartphone based wide-field retinal imaging (WFI) versus ultra-wide-field imaging (UWFI) for assessment of...
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Open surgery tool classification and hand utilization using a multi-camera system
PurposeThe goal of this work is to use multi-camera video to classify open surgery tools as well as identify which tool is held in each hand....
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How Camera-to-Subject Distance and Height Affect Breast Measurement and Follow-Up Assessment in Plastic Surgery
BackgroundDue to several factors that affect photograph quality, bias is inevitably present in two-dimensional (2D) breast photography. The principal...
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Contactless surface registration of featureless anatomy using structured light camera: application to fibula navigation in mandible reconstruction
PurposeMandibular reconstruction using fibula free flap is a challenging surgical procedure. To assist osteotomies, computer-assisted surgery (CAS)...
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Field camera input to virtual phantom (ViP) scanner acquisitions for quality assurance of derived MRI quantities: first implementation and proof-of-principle
IntroductionQuality assurance (QA) of measurements derived from MRI can require complicated test phantoms. This work introduces a new QA concept...
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Seracam: characterisation of a new small field of view hybrid gamma camera for nuclear medicine
BackgroundPortable gamma cameras are being developed for nuclear medicine procedures such as thyroid scintigraphy. This article introduces Seracam® –...
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Smartphone camera oximetry in an induced hypoxemia study
Hypoxemia, a medical condition that occurs when the blood is not carrying enough oxygen to adequately supply the tissues, is a leading indicator for...
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Image-based laparoscopic camera steering versus conventional steering: a comparison study
In the last 2 decades, multiple robotic camera holders have been developed to improve camera steering during laparoscopic surgery. A new image-based...
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Assessment of the axial resolution of a compact gamma camera with coded aperture collimator
PurposeHandheld gamma cameras with coded aperture collimators are under investigation for intraoperative imaging in nuclear medicine. Coded apertures...
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The introduction of wide-angle 270° laparoscopy through a novel laparoscopic camera system
BackgroundLaparoscopy has enjoyed improvements over the last three decades primarily in achieving high definition, but the 70° field of view (FOV)...
