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Hypoid mirror can get panoramic images around 360°. Because of this, it can be applied to plant roots morphology monitoring and analysis system. It avoids the complex mechanical design using micro root window method to collect image, which needs to use objective and CCD camera along the tube wall of micro pipe to rotate 360°. It also improves efficiency of root image collection. After collecting image,...
Fisheye lens has a big viewing field, with the range between 180° to 270° which works at fixed angle, without spinning. It is widely applied in recent years. However, there is obvious distortion of the image, it is rarely used in the identification of objects. Spherical projection method was used to rectify the image. The method was introduced from the aspects of imaging, projection model, distortion...
In the enterprise-level distributed application development, it is generally believed that the object-based message transfer should be the distribution of communications, therefore, designers of distributed object-oriented systems tend to be hierarchical design in order to reduce coupling between modules degrees and enhance the reusability of modules through the distribution of object behavior. However,...
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