标签： python machine-learning computer-vision feature-extraction
我想从图像中提取特征，但是发现以下错误。如何解决此问题
attribute error,when i run "exTrain3000 = getFeature([X_train[:30], 0])[3]"
![attribute error,when i run "exTrain3000 = getFeature([X_train[:30], 0])[3]"](https://i.stack.imgur.com/QAtnY.png){kind=link}