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The unmanned aerial vehicles (UAVs) have been considered an efficient platform for monitoring critical infrastructures spanning over a large geographical area. In this paper, a novel UAV optimal path planning approach based on the combination of A∗ search algorithm (AS) and ant colony optimization (ACO) algorithm for UAV patrolling is presented. The proposed path planning solution aims to identify...
Shared last-level cache (LLC) management is a critical design issue for heterogeneous multi-cores. In this paper, we observe two major challenges: the contribution of LLC latency to overall performance varies among applications/cores and also across time; overlooking the off-chip latency factor often leads to adverse effects on overall performance. Hence, we propose a Latency Sensitivity-based Cache...
The homography between image pairs are normally estimated by minimizing a suitable cost function given 2D keypoints correspondences. The correspondences are typically established using descriptor distance of keypoints. However, the correspondences are often incorrect due to ambiguous descriptors which can introduce errors into following homography computing step. There have been numerous attempts...
In this paper we propose a novel method to retrieval scene images, where packed dense interest points are extracted as visual signature and asymmetric piece-to-image matching scheme is adopted for similarity matching. Compared to general images, scene image contains large area of low contrast regions, such as sky, calm water, or flat road surface, which make it difficult for popular method to extract...
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