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8 datasets found
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AISegment.com - Matting Human Datasets

Binary segmentation of humans and their background.

zip (15487364345 bytes)Available download formats
Dataset updated Jun 6, 2019
Authors
Laurent H.
License

Other (specified in description)

Description

Context

Human segmentation, i.e. high resolution extraction of humans from images, is a fascinating application with many uses. However, the problem is significantly under-constrained, making it an active area of research for developing more advanced methods. This dataset, developed by AISegment aims to help by providing a solid quality dataset of images and masks.

Quoting from the dataset author's GitHub (translated via Google Translate):

This dataset is currently the largest portrait matting dataset, containing 34,427 images and corresponding matting results. The data set was marked by the high quality of Beijing Play Star Convergence Technology Co., Ltd., and the portrait soft segmentation model trained using this data set has been commercialized.
The original images in the dataset are from Flickr, Baidu, and Taobao. After face detection and area cropping, a half-length portrait of 600*800 was generated.
The clip_img directory is a half-length portrait image in the format jpg; the matting directory is the corresponding matting file (convenient to confirm the matting quality), the format is png, you should first extract the alpha map from the png image before training. For example, using opencv you can get an alpha map like this:
In_image = cv2.imread('png image file path', cv2.IMREAD_UNCHANGED) Alpha = in_image[:,:,3]

License

See the author's GitHub.

Content

This dataset comes in two parts:
1. Full images
2. The respective RGB "masks" or "cutouts" of those images

Acknowledgements

Thanks to the folks from SegmentAI for putting this dataset together.

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