cnn_cascade_lasagne.py 文件源码

def iterate_minibatches(self,X, y, batchsize, shuffle=False):
        assert len(X) == len(y)
        if shuffle:
            indices = sp.arange(len(X))
            sp.random.shuffle(indices)
        for start_idx in range(0, len(X) - batchsize + 1, batchsize):
            if shuffle:
                excerpt = indices[start_idx:start_idx + batchsize]
            else:
                excerpt = slice(start_idx, start_idx + batchsize)
            yield X[excerpt], y[excerpt]