Search Results - Jian-zhai WU
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Automatic image segmentation method for cotton leaves with disease under natural environment
Published 2018-08-01Get full textIn order to improve the image segmentation performance of cotton leaves in natural environment, an automatic segmentation model of diseased leaf with active gradient and local information is proposed. Firstly, a segmented monotone decreasing edge composite function is proposed to accelerate the evol...
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Spatial-Temporal Changes in Grain Production, Consumption and Driving Mechanism in China
Published 2013-02-01Get full textThe spatial-temporal patterns of grain production and consumption have an important influence on the effective national grain supply on condition of tight balance in the total grain amount in China. In this paper, we analyze the spatial-temporal patterns of grain production, consumption and the driv...
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Impact of climate change on maize yield in China from 1979 to 2016
Published 2021-01-01Get full textClimate change severely impacts agricultural production, which jeopardizes food security. China is the second largest maize producer in the world and also the largest consumer of maize. Analyzing the impact of climate change on maize yields can provide effective guidance to national and internationa...
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