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	<title>row length estimation &#8211; BIOENGINEER.ORG</title>
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	<title>row length estimation &#8211; BIOENGINEER.ORG</title>
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		<title>Counting Tobacco Plants From Row Lines: A Low-Cost Annotation Method for UAV Field Surveys</title>
		<link>https://bioengineer.org/counting-tobacco-plants-from-row-lines-a-low-cost-annotation-method-for-uav-field-surveys/</link>
		
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		<pubDate>Sat, 24 Oct 2026 00:58:00 +0000</pubDate>
				<category><![CDATA[Agriculture]]></category>
		<category><![CDATA[annotation efficiency]]></category>
		<category><![CDATA[deep learning]]></category>
		<category><![CDATA[low-cost annotation]]></category>
		<category><![CDATA[plant counting]]></category>
		<category><![CDATA[precision agriculture]]></category>
		<category><![CDATA[row length estimation]]></category>
		<category><![CDATA[row structure extraction]]></category>
		<category><![CDATA[semantic segmentation]]></category>
		<category><![CDATA[tobacco]]></category>
		<category><![CDATA[U-Net]]></category>
		<category><![CDATA[UAV remote sensing]]></category>
		<category><![CDATA[Yunnan]]></category>
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					<description><![CDATA[Researchers in Yunnan Province, China, have developed a low-cost method that counts tobacco plants from UAV imagery by tracing row centerlines with cheap polyline annotations, segmenting row structures with U-Net, and dividing estimated row length by a 62-centimeter reference plant spacing, achieving counting errors as low as 0.69% over a continuous field region while cutting annotation time roughly fivefold.]]></description>
		
		
		
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