tfa | Tired of having to pull out your phone all the time to grab
kandi X-RAY | tfa Summary
kandi X-RAY | tfa Summary
Tired of having to pull out your phone all the time to grab those 2fa codes?. Install: npm install -g tfa.
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tfa Key Features
tfa Examples and Code Snippets
Community Discussions
Trending Discussions on tfa
QUESTION
I have been trying to add a tfa metric to my model compile to be tracked throughout the training. However, when I add the R2 metric, I get the following error. I thought y_shape=(1,)
would fix this, however it did not.
ANSWER
Answered 2022-Apr-01 at 16:46You need to add an output layer to your model like the below:
QUESTION
I am a bit new at Deep learning and image classification. I want to extract features from an image using VGG16 and give them as input to my vit-keras model. Following is my code:
...ANSWER
Answered 2022-Mar-02 at 15:57You cannot feed the output of the VGG16
model to the vit_model
, since both models expect the input shape (224, 224, 3)
or some shape that you defined. The problem is that the VGG16
model has the output shape (8, 8, 512)
. You could try upsampling / reshaping / resizing the output to fit the expected shape, but I would not recommend it. Instead, just feed the same input to both models and concatenate their results afterwards. Here is a working example:
QUESTION
Building a seq2seq based on tfa.seq2seq, basically works like in https://www.tensorflow.org/addons/tutorials/networks_seq2seq_nmt#train_the_model. I am looking at the nature of the outputs when calling a BasicDecoder
. I create an instance of decoder
ANSWER
Answered 2022-Mar-01 at 11:58Using class GreedyEmbeddingSampler(Sampler):
for inference https://github.com/tensorflow/addons/blob/v0.15.0/tensorflow_addons/seq2seq/sampler.py#L559-L650
QUESTION
I was trying to implement Resnet56 in Tensorflow to classify the CIFAR10 images, but somehow I got a lower accuracy than the original creators.
I did everything exactly as described in the paper: same architecture, same data augmentation, same learning rate scheduling, same batch size...
But somehow my implementation produced an accuracy of only 91.84%, while in the original paper they reached 93.03% for the 56 layer Resnet.
Here is the link to the Resnet paper: https://arxiv.org/pdf/1512.03385.pdf
I found what my problem was (see answers if interested) and here you can find my (now correct) implementation, that can now reach the exact same accuracy:
ANSWER
Answered 2022-Feb-11 at 20:56I found what my problems were:
- I didn't apply data augmentation correctly, changed
img_augmentation(img)
toimg_augmentation(img, training=True)
- Changed kernel initializer to HeNormal, what they used in the paper
- Added per pixel mean substraction as a normalization
- Disabling nesterov helped somehow (IDK why)
QUESTION
I cannot find a way to pip install the following Python modules without compatibility issues (from a requirements.txt file, on Red Hat Enterprise Linux release 8.2):
...ANSWER
Answered 2022-Feb-09 at 08:11The problem was caused by jupyter/tensorflow being loaded in the background. The following solved the issue:
QUESTION
I have to port a website which has a TFA authentication via sms/email to asp.net 6. The client doesn’t want to use an authenticator app. The application has some specialities such as the language of the user in the URL path as the first component.
In this post I searched a way to introduce the language part and was, although in a very ugly manner, successful.
However I'm also quite unhappy to use the default UI in general for this application, since I have to manually deactivate all the things that are not required but are included in the library. It feels extremely untidy to have such a huge framework of pages active for so little of required functionality. The only things I need are
- Login with a username and password
- Optionally checking a tfa email/sms code if the user has configured its account for this.
The configuration of the user's profile is done in another application and should not be included in this application (hence all the default identity ui stuff has to be deactivated).
I tried to create the authentication logic manually via controller actions and not installing the default ui at all. For the login with username and password, this was fairly easy.
However, setting up the TFA part seems quite tedious and dangerous (from a security perspective). I have not found any documentation what resources have to be registered and how to setup the authentication system.
Is searching out all the required dependencies and creating the code from the Microsoft source code of default identity UI the only way?
Or is there a template solution to accomplish the desired goal?
ANSWER
Answered 2022-Feb-02 at 09:44Since there seems no such information available, I gathered the necessary code from the ms source code. Maybe it helps someone:
Registration
Copied out of the ms source code, here the required registrations:
QUESTION
I am trying to use the tensorflow maxout implementation (https://www.tensorflow.org/addons/api_docs/python/tfa/layers/Maxout) but struggle with it;
I try to illustrate my problem: If I have the following
...ANSWER
Answered 2022-Feb-02 at 06:42It will only work in combination with another layer, for example a Dense
layer. Also, the Maxout
layer itself does not have any trainable weights as you can see in the model summary but it does have a hyperparameter num_units
:
QUESTION
I have a generator in producing my TensorFlow data, as triplets (anchor
, positive
, negative
), in batches. Each batch is a list of such triplets, making up the list labels
. Using code from Moindrot's blog on triplet loss we get a mask for positives and negatives: With
ANSWER
Answered 2022-Feb-01 at 13:15If you really only want anchor-negative True
in the negative mask, you can accomplish this with a mix of tf.tile
, tf.linalg.band_part
and tf.transpose
:
QUESTION
I have been asked to check our db for the log4j vulnerability. The information on the web is a little confusing but it is my understanding if you have Log4j.jar
or log4j.bin
you need to remediate these issues and it is not just Apache. So I did a search on my db and found:
ANSWER
Answered 2022-Jan-27 at 17:21From my research I found the following post which answered my question. It was on community.oracle.com/tech/developers so I will consider it gospel.
The files are there because Oracle has them as part of the library. It doesn't mean that Oracle is using them. Log4j is vulnerable only while being used/while running. Since Oracle DB does not use it the vulnerability is not exploitable and it’s safe leaving those files in the server.
As of now Oracle doesn’t recommend deleting those jar files either.
QUESTION
My image folder is set up as one main folder with 130 separate folders, each folder with its own images
folder_with_130_folders-
folder1_class1-
img_in_class1_folder.jpg
img_in_class1_folder.jpg
...
folder130_class130-
img_in_class130_folder.jpg
img_in_class130_folder.jpg
ANSWER
Answered 2022-Jan-14 at 07:51As stated in the docs regarding the tfa.losses.TripletSemiHardLoss
:
We expect labels y_true to be provided as 1-D integer Tensor with shape [batch_size] of multi-class integer labels. And embeddings y_pred must be 2-D float Tensor of l2 normalized embedding vectors
You should, therefore, use sparse integer labels (sparse_categorical) instead of one-hot encoded labels (categorical). Here is a working example:
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