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以宁夏16套枸杞农田实景监测系统2018年和2019年拍摄的图像作为资料，结合枸杞开花期和果实成熟期的植物学特征，利用更快速的基于区域的卷积神经网络（Faster R-CNN）方法对图像进行训练、分类，构建枸杞开花期和果实成熟期的识别算法，以平均精确率（AP）和平均精度均值（mAP）作为模型的评价指标，并将自动识别结果与专家目视判断结果和田间观测记录进行对比。结果表明：当网络结构中重要超参数批尺寸...
More tomatoes,faster:Van Eck accelerates tomato engineering
More tomatoes faster Van Eck accelerates tomato engineering
2016/9/12
Tomatoes are already an ideal model species for plant research, but scientists at the Boyce Thompson Institute (BTI) just made them even more useful by cutting the time required to modify their genes ...
New study in Geology shows humans erode soil 100 times faster than nature（图）
in Geology humans erode soil 100 times faster
2015/1/20
forest and starting intensive agriculture can accelerate erosion so dramatically that in a few decades as much soil is lost as would naturally occur over thousands of years.Had you stood on the banks ...
Trees put on weight faster and faster as they grow older according to a new study in the journal Nature. The finding that most trees’ growth accelerates as they age suggests that large, old trees may ...
University of Queensland scientists have discovered a fast way to develop a new strain of wheat that is resistant to stripe rust and pre-harvest sprouting.