Precise identification of broadleaf weeds within 0.5 seconds, SingTown Technology drives agricultural machinery upgrades.

In modern agricultural mechanisation and intelligent production, precise weeding is a crucial step in enhancing crop yield and reducing the use of chemical agents.

Traditional weeding methods rely on manual labour or simple colour sensors, making it difficult to accurately distinguish between crops and weeds. In particular, broadleaf weeds and crops are highly similar in appearance, which often leads to issues of misapplication or missed spraying.

To this end, agricultural smart equipment manufacturers plan to adopt SingTown's OpenMV smart camera to build a machine vision-based weed identification system for detecting the distribution of weeds on field surfaces.

The system captures real-time images of crop rows via camera, utilising image recognition algorithms to analyse differences in colour, shape, and texture, thereby distinguishing "broadleaf weeds" from normal crops.

When weeds are detected, the system outputs control signals to the spraying unit or weeding device, enabling automated and precise operations.

This solution supports operation in complex environments such as strong outdoor light and shadows, with adjustable detection range and high recognition accuracy, effectively enhancing weeding efficiency and reducing pesticide usage.

Agricultural intelligent equipment manufacturers have developed a weed identification system based on SingTown Technology's OpenMV smart camera, which enables real-time weed detection on agricultural machinery. The system integrates computer vision, AI image recognition, colour space segmentation, morphological analysis, and feature classification algorithms.

The system captures field surface images via cameras, performs HSV colour space conversion and luminance analysis on green areas, and extracts the main regions of plant leaves. Utilising typical characteristics of broadleaf weeds (wide leaf surfaces, coarse texture, lighter colour, and irregular orientation), the system achieves target classification by integrating metrics such as edge complexity, luminance variance, and shape roundness.

The OpenMV module can adapt to complex lighting conditions in the field through dynamic exposure and illumination compensation algorithms, and perform inter-frame stability analysis on moving vegetation to effectively reduce false detections. When the system determines the presence of broadleaf weeds in the detection area, it immediately outputs a high-level signal to the main control unit, triggering the spraying or mechanical weeding process.

Furthermore, the system can also integrate with GPS or route planning modules to achieve recording and statistical analysis of mowing trajectories.

Test results indicate that the system achieves an identification accuracy of over 90% for broadleaf weeds under varying outdoor lighting conditions and diverse terrains, with a response time of less than 0.5 seconds.

SingTown Technology's OpenMV embedded vision module is compact, low-power, and features customizable algorithms, making it highly suitable for integration into devices requiring edge deployment, such as agricultural robots, intelligent sprayers, and unmanned agricultural vehicles. It supports smart agriculture in achieving precise weeding and ecological management.