This is a dataset for automatic fine-grained classification of benthic macroinvertebrates. There are 15,074 images from 64 categories. The number of images per category varies from 577 to 7.
For each image, we provide:
-Original image, varying size, png
-Cropped image scaled to 256x256 pixels, png
-Object mask for the cropped image 256x256, png