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Vehicle type recognition has many applications in video surveillance, urban traffic management and automatic driving. This paper presents a new vehicle type recognition method using feature encoding combined with Convolutional Neural Network (CNN). This method uses the CNN to learn the properties of the high-level image features. It is able to largely compensate the information loss if we use feature...
We present a novel technique for stitching images including those obtained from aerial vehicles flying at low altitudes. Existing image stitching/mosaicking methods rely on inter-image homography computation based on a planar scene assumption. This assumption holds when images are taken from high-altitudes (hence the depth variation is negligible). It is often violated when flying at low altitudes...
The flow field of three geometry models 90-degree vertical to horizontal elbow, three-level conical rings concentrator and the combination of elbow and concentrator have been studied by simulation method. The velocity magnitude, relative mean axial velocity, relative mean radial velocity and axial particle volume flux has been analyzed. Elbow results in the asymmetry of its downstream flow field and...
This paper presents a systematic study of the cold flow characteristics of a central fuel rich swirl burner. Flow fields at the burner outlet corresponding to various primary and inner secondary air ratios were measured. With decreasing primary air ratio and increasing inner secondary air ratio, the swirl intensity of the jet increases, mixing between primary and secondary air is enhanced, and the...
-To overcome the problem of high carbon content in the fly ash of down-fired utility boilers using low-volatility coals, the combustion system of a 660 MWe full-scale down-fired boiler was retrofitted with many items: louver concentrators was adopted, the fuel-lean flow is laid near the wall, the F-tier secondary air is modified with an angle of declination of 20°. Industrial experiments were performed...
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