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In order to construct the high-precision and high-fidelity 3D plants model quickly and economically, this study present a new approach to combing the color structured light with silhouette-based method to repair the model's depth information. First, project the coded color structured light which is coded using spatial code method on the surface of the plants. And photograph the plants using two non-contract...
Soil surface roughness (SSR) is a critical variable for retrieving soil moisture using microwave remote sensing model. To quantify SSR, the data of soil surface microtopography (SSM) is needed. SSM is the micro elevation of soil surface. The methods of microtopography measurement mainly include the pin meter and profile meter, photography, laser scanning. A method of laser scanning is considered the...
Crop growth monitoring is critical in yield estimation and prediction. In this paper, the authors investigated several indicators for crop growth monitoring by remote sensing at different scales. The experiments were conducted in a study area in Hebei province in North China Plain. The target crop in this research is winter wheat, which is one of the important grain crops in China. The study at canopy...
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