Keras-FCN | tensorflow implementation of Fully Convolutional Networks | Machine Learning library
kandi X-RAY | Keras-FCN Summary
kandi X-RAY | Keras-FCN Summary
Keras-tensorflow implementation of Fully Convolutional Networks for Semantic Segmentation(Unfinished)
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Top functions reviewed by kandi - BETA
- Train a model
- Generate a SegDirectory from a directory
- Returns a batch of the transformed images
- Generate a random transform
- Random crop
- Center center of image
- Wrapper for inference
- Transformer convolution layer
- A block of convolutional block
- Construct the identity block
- A dense dense network
- Conv2D convolutional layer
- Resnet with Resnet50
- A function to construct an identity block
- FCN residuals
- A DenseNetFCN
- Fit the model
- Evaluate inference
- Performs inference
- Calculate the iou covm
- Wrapper for resize
- Resizes images to bilinear
- Returns the path to resnet weights
- Returns the path to the VGG16 weights
Keras-FCN Key Features
Keras-FCN Examples and Code Snippets
Community Discussions
Trending Discussions on Keras-FCN
QUESTION
Hi I have been trying to make a custom loss function in keras for dice_error_coefficient. It has its implementations in tensorboard and I tried using the same function in keras with tensorflow but it keeps returning a NoneType when I used model.train_on_batch or model.fit where as it gives proper values when used in metrics in the model. Can please someone help me out with what should i do? I have tried following libraries like Keras-FCN by ahundt where he has used custom loss functions but none of it seems to work. The target and output in the code are y_true and y_pred respectively as used in the losses.py file in keras.
...ANSWER
Answered 2017-Oct-06 at 16:03There are two steps in implementing a parameterized custom loss function in Keras. First, writing a method for the coefficient/metric. Second, writing a wrapper function to format things the way Keras needs them to be.
It's actually quite a bit cleaner to use the Keras backend instead of tensorflow directly for simple custom loss functions like DICE. Here's an example of the coefficient implemented that way:
QUESTION
Firstly, I am newbie to these topics. My neural network classifies everything as person or background on both training and validation sets. Training set is VOC2011.
...ANSWER
Answered 2017-Nov-21 at 08:59Regarding the question about visualisation of label images. You do not need your own colour-map with imshow. You can use the cmap keyword argument to imshow, and choose a qualitative colour-map.
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