基于图像处理的喷雾角度测量方法及测量系统

By using image processing technology, rapid and accurate detection of spray angle is achieved, solving the problems of cumbersome and time-consuming detection and low accuracy in automated spraying systems. It is applicable to the detection and optimization of atomization effects in multiple fields.

CN120163844BActive Publication Date: 2026-07-17NANJING FORESTRY UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING FORESTRY UNIV
Filing Date
2025-02-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing automated spraying systems are cumbersome, time-consuming, and have low accuracy in the spray angle detection process, making it difficult to achieve efficient and accurate spray angle assessment.

Method used

An image processing-based approach is adopted, which involves image acquisition, preprocessing, spray area feature extraction, edge detection, and angle calculation. It utilizes iterative erosion and morphological operations to achieve efficient and accurate detection of the spray area and angle measurement.

Benefits of technology

It can quickly and accurately extract spray area features, reduce detection costs, improve the efficiency of spraying process optimization, and is suitable for detecting the atomization effect of industrial spraying, agricultural irrigation, spraying operations and dust suppression spraying, reducing manual measurement costs and errors.

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Abstract

本发明公开基于图像处理的喷雾角度测量方法及测量系统,包括:采集喷涂区域图像并进行校正;预处理校正后的图像,生成候选喷涂区域图像;基于候选喷涂区域图像中的候选检测区域,构建喷雾区域特征判断条件,将符合判断条件的像素点判定为喷雾区域与喷枪区域的分割处(真实断点),实现对候选检测区域中属于喷雾区域的提取;对喷雾区域反向恢复,提取恢复后的喷雾区域的边缘轮廓信息;基于喷雾区域的边缘轮廓信息对喷雾区域进行拟合,将符合判断条件的线段判定为喷雾的扩散边缘;根据判定的喷雾扩散边缘实现对喷雾角度的计算。本发明能够快速准确地提取喷雾区域特征,计算出喷雾角度,准确度高,既降低了检测成本,又提高了喷涂工艺的优化效率。
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