Shaw Joseph A, Nugent Paul W, Johnson Jennifer, Bromenshenk Jerry J, Henderson Colin B, Debnam Scott
Department of Electrical and Computer Engineering, Montana State University, Bozeman, Montana 59717, USA.
Opt Express. 2011 Jan 3;19(1):399-408. doi: 10.1364/OE.19.000399.
Long-wave infrared imaging is used for non-invasive assessment of the internal population of honey bee colonies. The radiometrically calibrated camera signal is related to the number of frames that are populated by bees inside each hive. This enables rapid measurement of population without opening the hive, which disturbs the bees and can endanger the queen. The best results are obtained just before sunrise, when there is maximum thermal contrast between the hive and the background. This technique can be important for bee hive monitoring or for applications requiring frequent hive assessment, such as the use of bees for detecting chemicals or explosives.
长波红外成像用于对蜂群内部数量进行非侵入性评估。经过辐射校准的相机信号与每个蜂巢内蜜蜂占据的帧数相关。这使得无需打开蜂巢就能快速测量蜂群数量，因为打开蜂巢会干扰蜜蜂并可能危及蜂王。在日出前获得的结果最佳，此时蜂巢与背景之间的热对比度最大。这项技术对于蜂箱监测或需要频繁评估蜂箱的应用（例如利用蜜蜂检测化学物质或爆炸物）可能很重要。
