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Visual search systems present a simple way to obtain information about our surroundings, our location or an object of interest. Typically, mobile applications of visual search remotely connect to large-scale systems capable of dealing with millions of images. Querying such systems may induce considerable delays, which can severeley harm usability or even lead to complete rejection by the user. In...
Handling degenerate rotation-only camera motion is a challenge for keyframe-based simultaneous localization and mapping with six degrees of freedom. Existing systems usually filter corresponding keyframe candidates, resulting in mapping starvation and tracking failure. We propose to employ these otherwise discarded keyframes to build up local panorama maps registered in the 3D map. Thus, the system...
A common goal of outdoor augmented reality (AR) is the presentation of annotations that are registered to anchor points in the real world. We present an enhanced approach for registering and tracking such anchor points, which is suitable for current generation mobile phones and can also successfully deal with the wide variety of viewing conditions encountered in real life outdoor use. The approach...
We present a novel method for the real-time creation and tracking of panoramic maps on mobile phones. The maps generated with this technique are visually appealing, very accurate and allow drift-free rotation tracking. This method runs on mobile phones at 30 Hz and has applications in the creation of panoramic images for offline browsing, for visual enhancements through environment mapping and for...
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