MobileNet model architecture.
application_mobilenet(
input_shape = NULL,
alpha = 1,
depth_multiplier = 1L,
dropout = 0.001,
include_top = TRUE,
weights = "imagenet",
input_tensor = NULL,
pooling = NULL,
classes = 1000L,
classifier_activation = "softmax",
...
)mobilenet_preprocess_input(x)
mobilenet_decode_predictions(preds, top = 5)
mobilenet_load_model_hdf5(filepath)
application_mobilenet() and mobilenet_load_model_hdf5() return a
Keras model instance. mobilenet_preprocess_input() returns image input
suitable for feeding into a mobilenet model. mobilenet_decode_predictions()
returns a list of data frames with variables class_name, class_description,
and score (one data frame per sample in batch input).
optional shape list, only to be specified if include_top
is FALSE (otherwise the input shape has to be (224, 224, 3) (with
channels_last data format) or (3, 224, 224) (with channels_first data
format). It should have exactly 3 inputs channels, and width and height
should be no smaller than 32. E.g. (200, 200, 3) would be one valid
value.
controls the width of the network.
If alpha < 1.0, proportionally decreases the number of filters in each layer.
If alpha > 1.0, proportionally increases the number of filters in each layer.
If alpha = 1, default number of filters from the paper are used at each layer.
depth multiplier for depthwise convolution (also called the resolution multiplier)
dropout rate
whether to include the fully-connected layer at the top of the network.
NULL (random initialization), imagenet (ImageNet
weights), or the path to the weights file to be loaded.
optional Keras tensor (i.e. output of layer_input())
to use as image input for the model.
Optional pooling mode for feature extraction when
include_top is FALSE.
- NULL means that the output of the model will be the 4D tensor output
of the last convolutional layer.
- avg means that global average pooling will be applied to the output
of the last convolutional layer, and thus the output of the model will
be a 2D tensor.
- max means that global max pooling will be applied.
optional number of classes to classify images into, only to be
specified if include_top is TRUE, and if no weights argument is
specified.
A string or callable. The activation function to
use on the "top" layer. Ignored unless include_top = TRUE. Set
classifier_activation = NULL to return the logits of the "top" layer.
Defaults to 'softmax'. When loading pretrained weights,
classifier_activation can only be NULL or "softmax".
For backwards and forwards compatibility
input tensor, 4D
Tensor encoding a batch of predictions.
integer, how many top-guesses to return.
File path
The mobilenet_preprocess_input() function should be used for image
preprocessing. To load a saved instance of a MobileNet model use
the mobilenet_load_model_hdf5() function. To prepare image input
for MobileNet use mobilenet_preprocess_input(). To decode
predictions use mobilenet_decode_predictions().