Datasets Image2D Classification Pets

[junxnone]

Oxford-IIIT Pets

• 由英国牛津大学视觉几何组（Visual Geometry Group）收集整理
• Oxford-IIIT Pet Dataset 包含37种宠物分类，每种分类大概200张图片

Downloads

wget http://www.robots.ox.ac.uk/~vgg/data/pets/data/images.tar.gz
wget http://www.robots.ox.ac.uk/~vgg/data/pets/data/annotations.tar.gz

Annotations

trimaps/    Trimap annotations for every image in the dataset
        Pixel Annotations: 1: Foreground 2:Background 3: Not classified
xmls/       Head bounding box annotations in PASCAL VOC Format

list.txt    Combined list of all images in the dataset
        Each entry in the file is of following nature:
        Image CLASS-ID SPECIES BREED ID
        ID: 1:37 Class ids
        SPECIES: 1:Cat 2:Dog
        BREED ID: 1-25:Cat 1:12:Dog
        All images with 1st letter as captial are cat images while
        images with small first letter are dog images.
trainval.txt    Files describing splits used in the paper.However,
test.txt    you are encouraged to try random splits.

             (a)                          (b)                        (c)

• (a) species and breed name;
• (b) a tight bounding box (ROI) around the head of the animal;
• (c) a pixel level foreground-background segmentation (Trimap).

list.txt

german_shorthaired_9 15 2 9
 |                    | | |— BREED ID
 |                    | |— SPECIES: 1:Cat 2:Dog
 |                    |— Class ids
 |— SPECIES

德国短毛犬( German Shorthaired)

Reference

• dataset
• convert to tfrecord python script

[junxnone]

很奇怪！ http://www.robots.ox.ac.uk/~vgg/data/pets/data/annotations.tar.gz

• 直接网页下载的虽然是个tar.gz文件，只需要 tar vxf xxx 就ok了。
• wget 下载的可以直接 tar zvxf xxxx

[junxnone]

junxnone/aiwiki#28