Add 'ConTrack: Contextual Transformer for Device Tracking In X-ray'

ConTrack%3A-Contextual-Transformer-for-Device-Tracking-In-X-ray.md

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+<br>Device monitoring is a vital prerequisite for steerage throughout endovascular procedures. Especially during cardiac interventions, detection and tracking of guiding the catheter tip in 2D fluoroscopic pictures is necessary for applications comparable to mapping vessels from angiography (high dose with contrast) to fluoroscopy (low dose with out contrast). Tracking the catheter tip poses completely different challenges: the tip could be occluded by contrast throughout angiography or interventional devices