この辺を参考にした。
https://indie-inc.github.io/2015/12/24/cloud-vision-api/ GitHub - tejitak/node-cloud-vision-api: Node client for Google Cloud Vision API
認識させてみる。
[{"labelAnnotations":[ {"mid":"/m/012c9l","description":"domestic short haired cat","score":0.99702442},{"mid":"/m/01yrx","description":"cat","score":0.97238755}, {"mid":"/m/01l7qd","description":"whiskers","score":0.944709}, {"mid":"/m/04c41_","description":"european shorthair","score":0.91366404},{"mid":"/m/06wtgq","description":"play","score":0.88069338}, {"mid":"/m/03dj64","description":"black cat","score":0.84661818}, {"mid":"/m/01nq_x","description":"wild cat","score":0.83371222}, {"mid":"/m/02zfvv","description":"american shorthair","score":0.83295578}, {"mid":"/m/01k74n","description":"facial expression","score":0.82618552},{"mid":"/m/07k6w8","description":"felinae","score":0.781426}]}]
catと認識するのは当たり前。「domestic short haired cat」認識率99%が出るのはすごい。ちなみにアイコンの猫は野良猫なのでdomesticではないのかな。wild catが正解なるw