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Loop closure detection is important in simultaneous localization and mapping (SLAM) systems. In this paper, Generative Adversarial Networks (GAN), an unsupervised deep architecture is employed to detect the loop closure for vision-based SLAM systems. Instead of extracting handcrafted features like SIFT, SURF or ORB. Generative Adversarial Networks are based on image features. Similar to the task about...
This paper describes an improved decision and planning algorithm based on our previously proposed methods for unmanned ground vehicle (UGV). The new method can be applied to UGV driving both in structured environment and unstructured environment. In the improved method, the prospect of planning is extended from 40m to 100m for safe driving at high speed and some piecewise linear speed functions are...
With more and more high rise buildings in modern cities, people flow and occupancy estimation has gained lots of attention in recent years. Most previous works on this topic are based on the Kalman filter (KF) due to its high efficiency. However, the Kalman filter requires good people flow models which are usually hard to get due to the complexity of people behavior. People simulation softwares such...
In the screen content coding extension for HEVC, intra block copy (IBC) was adopted to explore the redundancy between reduplicated patterns, which often occurs in a picture with screen contents. Besides reduplication, symmetry is also often observed in screen-content and even in natural pictures. In this paper, symmetric intra block copy (SIBC) is therefore proposed to further improve IBC. By flipping...
Smart Wireless Video Sensor Network (SWVSN) provides a new approach for fire detection and alarm. Compare with traditional approach, the system based on SWVSN proposed in this paper has features of smart event-oriented data processing, convenient arrangement, flexible network organizing. The system consists of three layers including camera node layer, base station layer and control layer. Due to using...
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