The SKU110k dataset includes 11,762 images taken in dense scenes, with more than 1.7 million bounding box annotations and approximately 1,733,678 instances.

The dataset includes:

• Training set: 8,233 images
• Validation set: 588 images
• Test set: 2,941 images

These images are collected from thousands of supermarket stores with different scales, viewpoints, lighting conditions, and noise levels. All images are resized to a resolution of one million pixels. Most instances in the dataset are closely packed and are usually tilted in the range of [-15∘, 15∘].