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In this paper, we study the problem of semantic annotation on 3D models that are represented as shape graphs. A functional view is taken to represent localized information on graphs, so that annotations such as part segment or keypoint are nothing but 0-1 indicator vertex functions. Compared with images that are 2D grids, shape graphs are irregular and non-isomorphic data structures. To enable the...
Recent researchers have found stable relationship between media attention and stock price, trading volume as well as liquidity, but rare study focus on the interactive effect of media attention and trading volume on stock return. Our research bases on the listed bank stocks in China, uses the Baidu index data, and drive a panel data analysis. We find that there is a negative relationship between media...
In the method of driving simulation, behavioral characteristics of driver can be learned safely even under abnormal state. This kind of experimental method also contributes to analyze driver's emergency response in a variety of complex conditions and it has a good experimental reproducibility, which can be applied in traffic safety, accident reconstruction, ergonomics and other fields. The combination...
Caches play a major role in the performance of high speed computer systems. Trace driven simulator is the most widely used method to evaluate cache architectures. However, as the cache design moves to more complicated architectures, along with the size of the trace is becoming larger and larger. Traditional simulation methods are no longer practical due to their long simulation cycles. Several techniques...
An efficient collision detection scheme based on component technology using oriented bounding box trees is presented. Firstly, model is divided into parts and then a component hierarchical tree is built in a bottom-up manner using the OBB of these parts. In order to construct component OBB of two parts quickly, a simple way to compute two OBBs' convex hull is also proposed. As a result, not only parts'...
A "man-in-the-onboard-loop" solving scheme is proposed in order to overcome the disadvantages of UAV control method and solve the problems on UAV pilot training. This scheme is an integration platform for UAV telepresence and simulation. It uses "telepresence" virtual reality technology to merge the dynamic images from airborne camera and the geography data information generated...
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