小编Ali*_*son的帖子

我在 Google Colab 中使用 Tensorflow 进行对象检测。我正在尝试从网络摄像头获取视频。这是最后一个阶段。但我收到低于大陆的错误。如何调整图片大小？

ValueError: in user code:

    <ipython-input-49-1e7efe9130ee>:11 detect_fn  *
        image, shapes = detection_model.preprocess(image)
    /usr/local/lib/python3.7/dist-packages/object_detection/meta_architectures/ssd_meta_arch.py:484 preprocess  *
        normalized_inputs, self._image_resizer_fn)
    /usr/local/lib/python3.7/dist-packages/object_detection/utils/shape_utils.py:492 resize_images_and_return_shapes  *
        outputs = static_or_dynamic_map_fn(
    /usr/local/lib/python3.7/dist-packages/object_detection/utils/shape_utils.py:246 static_or_dynamic_map_fn  *
        outputs = [fn(arg) for arg in tf.unstack(elems)]
    /usr/local/lib/python3.7/dist-packages/object_detection/core/preprocessor.py:3241 resize_image  *
        new_image = tf.image.resize_images(
    /usr/local/lib/python3.7/dist-packages/tensorflow/python/util/dispatch.py:201 wrapper  **
        return target(*args, **kwargs)
    /usr/local/lib/python3.7/dist-packages/tensorflow/python/ops/image_ops_impl.py:1468 resize_images
        skip_resize_if_same=True)
    /usr/local/lib/python3.7/dist-packages/tensorflow/python/ops/image_ops_impl.py:1320 _resize_images_common
        raise ValueError('\'images\' must have either 3 or 4 dimensions.')

    ValueError: 'images' must have either 3 or 4 dimensions.

我该如何解决？

所有代码：

while True: 
    ret, frame = …