Hot spot identification method and device for photovoltaic module

• Main Authors: ZHAO HUAHONG, ZHOU SHUANGQUAN, GUO TIANBIN, WANG HAIFENG, ZHANG HAN, LIU JIANGNING, SUN TONGMENG, SUN JIE, YANG XIANCHUAN, TAN XUEJING, WANG WEIJIAN
• Format: Patent
• Language: Chinese; English
• Published: 05.06.2020
• Subjects: CALCULATING; COMPUTING; COUNTING; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; PHYSICS

The embodiment of the invention provides a hot spot identification method and device for a photovoltaic module. The method comprises the following steps: acquiring a thermal infrared image of a photovoltaic module; identifying contour information of the photovoltaic module in the thermal infrared image; identifying a photovoltaic module in the thermal infrared image by adopting the contour information to generate a photovoltaic module image; searching an image block of which the gray value is within a preset range in the photovoltaic module image. According to the hot spot identification method of the photovoltaic module, the photovoltaic module can be accurately identified in the thermal infrared image, the hot spot can be identified in the photovoltaic module image, and the identification efficiency of the hot spot is improved. 本发明实施例提供了一种光伏组件的热斑识别方法和装置。所述方法包括：获取光伏组件的热红外图像；在所述热红外图像中识别所述光伏组件的轮廓信息；采用所述轮廓信息，识别所述热红外图像中的光伏组件，生成光伏组件图像；在所述光伏组件图像中，查找灰度值在预设范围内的图像块；通过本发明实施例的光伏组件的热斑识别方法，实现可以准确地在所述热红外图像中识别光伏组件，并在光伏组件图像