Introduction

To increase the productivity of port, yard/bridge crane have to align with truck/prime mover before lowering the spreader to hoist up the container. This article will address more details for the container position alignment system.

System Approach

Object detection using deep learning algorithms such as YOLO, PyTorch, TensorFlow. Detect container location on the yard lane and use PTZ camera zoom in to the area of interest.

Container object detection

After zoom in to the container, capture an image and use machine learning algorithms such as SVM(Support Vector Machine), LSTM(Long Short Term Memory) to get the container corners.

Deep learning detect container corners

After getting container corners, use vision algorithms such as HOG feature extraction to get the center point of the container corner.

Finding center point of container corner casting

With the container corners 4 points, we are going to proceed to most crucial part to construct the rectangle and start calculation for gantry and trolley movement.

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