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license: cc-by-nc-nd-4.0
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## Description
This dataset is just a sample of 760,607 Images - Vehicles Detection Data in Surveillance Scenes (paid dataset). The collection scenes include underground parking lot, surface parking lot, entrance and exit gates and outdoor roads (highways, urban roads, etc.). The data includes different surveillance scenes, different time periods, different cameras and various vehicle distributions (crowded, sparse). In this dataset, vehicles rectangular bounding boxes and vehicle type attributes were annotated. The data can be used for tasks such as vehicles detection in surveillance scenes.

For more details & to download the rest of the dataset(paid),please refer to the link: https://www.nexdata.ai/datasets/computervision/1219?source=Huggingface


## Data size
760,607 images, 5,796,265 bounding boxes
## Collecting environment
underground parking lot, surface parking lot, entrance and exit gates, outdoor roads (highways, urban roads, etc.)
## Data diversity
different surveillance scenes, different time periods, different cameras, various vehicle distributions (crowded, sparse)
## Device
surveillance camera, cellphone (a few)
## Collecting angle
looking down angle, eye-level angle
## Collecting time
day, night
## Data format
the image data format is .jpg, the annotation file format is .json
## Annotation content
vehicles rectangular bounding boxes and vehicle type attributes were annotated
## Accuracy
the bounding box of vehicle is qualified when the deviation is not more than 3 pixels, and the qualified rate of the bounding box shall not be lower than 97%
# Licensing Information
Commercial License