All Questions
111 questions
0
votes
1
answer
56
views
mixup for gray image input and color image output
Mixup is a technique to smoothen the training of a neural network by applying convex combination to training inputs:
https://keras.io/examples/vision/mixup/
In the example, the input is gray image and ...
- 1,165
0
votes
1
answer
50
views
ValueError: Dimension 2 in both shapes must be equal, but are 128 and 32. Shapes are [3,3,128,32] and [3,3,32,9]
I'm trying to build a model to perform reconstruction of speech by feeding image frames from a video. But during the prediction, I got the error. Please help me resolve the error.
ValueError: ...
0
votes
1
answer
68
views
How to register a custom loss function with keras?
I am trying to use this custom loss function
# calculate binary cross-entropy loss
lbce = -(1/N*M) * np.mean(y_actual*np.log(y_pred) + (1-y_actual)*np.log(1-y_pred))
# calculate mean ...
0
votes
1
answer
477
views
FileNotFoundError: [Errno 2] No such file or directory for Image Dataset one-hot encoded
I tried to one-hot encoded using to_categorical() in my image dataset but I failed because of FileNotFoundError: [Errno 2] No such file or directory error and the code is given below,
import os
import ...
- 1,855
1
vote
1
answer
2k
views
ValueError: Asked to retrieve element 0, but the Sequence has length 0 while trying to obtain image features using MobileNet
I wanted to use MobileNet to obtain features of all images present in a dataset. But the error mentioned keeps popping up.
The full code that produced the error is:
`
from keras.applications import ...
- 126
0
votes
0
answers
88
views
CNN loss function increases exponentially
I am trying to classify objects vs background from microscopy images. I have preprocessed the data in a function that I built that resizes the entire image and mask to 1500x1500 then splits them up ...
- 19
0
votes
0
answers
132
views
How can I write DSSIM+MAE loss function for model training
How can I write code DSSIM+MAE loss function from formula:
Loss = αMAE + (1-α)DSSIM
with
Mean Absolute Error(MAE) = (1/M) * ∑|yi ...
1
vote
2
answers
619
views
Reshape the input for BatchDataset trained model
I trained my tensorflow model on images after convert it to BatchDataset
IMG_size = 224
INPUT_SHAPE = [None, IMG_size, IMG_size, 3] # 4D input
model.fit(x=train_data,
epochs=EPOCHES,...
- 13
0
votes
1
answer
2k
views
How can I solve InvalidArgumentError: Graph execution error?
I am trying to train a deep learning model by using CNN and the transfer learning method. I used VGG16 with ImageNet as a pretrained model. My aim is to implement facial emotion recognition in Google ...
- 5
0
votes
0
answers
114
views
Increases Epoch will training using ResNet50
I am using ResNet50 for training my model I have trained my model with 50 epochs and have saved model using .h5
r = model.fit_generator(
training_set,
validation_data=test_set,
epochs=50,
...
- 127
0
votes
0
answers
89
views
How to spilt class from Python generator
I am working on a dataset named PlantVillage dataset for plant disease classification task, the output is multiclass and the example naming of class is 'tomato___healthy'. I want to split the class ...
- 337
0
votes
1
answer
85
views
How to make sure the prediction time image input is in the same range as the training time image input?
This question is about ensuring the prediction time input images to be in the same range as the images fed during the training time. I know that it's the usual practice to repeat the same steps that ...
- 113
1
vote
1
answer
362
views
Variational AutoEncoder- Keras- logits and labels must have the same shape?
I'm walking through this example on Keras https://keras.io/examples/generative/vae/
However, I'm trying to replicate this with a 200-by-200 dimension image. The specific error I'm receiving is:
...
- 123
1
vote
0
answers
368
views
How to highlight areas of the image due to which the neural network classifies it as Covid
I trained a keras model which classifies images as normal, pneumonia and covid-19. I need to highlight areas of the image to which the neural network reacts when classifying as Covid-19. I don't even ...
- 31
0
votes
1
answer
53
views
Keras Image Processing - Is this identical processing?
I have the question if I manually process the image in the same way that the train generator does. I am using python3 and keras.
This is how the training data is processed.
train_datagen = keras....
- 20