Recent questions tagged machine

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machine learning - How does Apple find dates, times and addresses in emails?

In the iOS email client, when an email contains a date, time or location, the text becomes a hyperlink and ... to apply accomplish such task? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - How to create caffe.deploy from train.prototxt

This is my train.prototxt. And this is my deploy.prototxt. When I want to load my deploy file I get this ... it and create my deploy file? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - How to reduce a fully-connected (`"InnerProduct"`) layer using truncated SVD

In the paper Girshick, R Fast-RCNN (ICCV 2015), section "3.1 Truncated SVD for faster detection", the ... connected layer with a truncated one? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Caffe: What can I do if only a small batch fits into memory?

I am trying to train a very large model. Therefore, I can only fit a very small batch size into GPU memory. ... can I do to avoid this problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Fine Tuning of GoogLeNet Model

I trained GoogLeNet model from scratch. But it didn't give me the promising results. As an alternative, I would ... the steps should I follow? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - TensorBoard - Plot training and validation losses on the same graph?

Is there a way to plot both the training losses and validation losses on the same graph? It's easy to have ... work around way? Thank you much! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Keras: model.evaluate vs model.predict accuracy difference in multi-class NLP task

I am training a simple model in keras for NLP task with following code. Variable names are self explanatory for train ... of what's wrong here. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Clustering Algorithm for Mapping Application

I'm looking into clustering points on a map (latitude/longitude). Are there any recommendations as to a ... solves the problem efficiently. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Can Keras deal with input images with different size?

Can the Keras deal with input images with different size? For example, in the fully convolutional neural network, the ... ? Thanks for any help. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Cost function training target versus accuracy desired goal

When we train neural networks, we typically use gradient descent, which relies on a continuous, differentiable real- ... .format(correct, rows)) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Unable to approximate the sine function using a neural network

I am trying to approximate the sine() function using a neural network I wrote myself. I have tested my neural ... make this work. Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Example of 10-fold SVM classification in MATLAB

I need a somehow descriptive example showing how to do a 10-fold SVM classification on a two class set of data. ... -fold. Can someone help me? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - How to calculate optimal batch size

Sometimes I run into a problem: OOM when allocating tensor with shape e.q. OOM when allocating tensor with shape ( ... won't crash the program. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - What are the differences between all these cross-entropy losses in Keras and TensorFlow?

What are the differences between all these cross-entropy losses? Keras is talking about Binary cross-entropy ... entropy types without logits? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Order between using validation, training and test sets

I am trying to understand the process of model evaluation and validation in machine learning. Specifically, in ... better than these three? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Neural network in MATLAB

I have trained xor neural network in Matlab and got these weights: iw: [-2.162 2.1706; 2.1565 -2.1688] lw: [ ... 0.99943. What I'm doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - What is `weight_decay` meta parameter in Caffe?

Looking at an example 'solver.prototxt', posted on BVLC/caffe git, there is a training meta parameter weight_decay: ... should I assign to it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Train Tensorflow Object Detection on own dataset

After spending a couple days trying to achieve this task, I would like to share my experience of how I went ... to train using my own dataset? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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552 views

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machine learning - What is the difference between steps and epochs in TensorFlow?

In most of the models, there is a steps parameter indicating the number of steps to run over data. But ... consecutive epochs? Data shuffling? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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593 views

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machine learning - How to interpret MSE in Keras Regressor

I am trying to build a model to predict house prices. I have some features X (no. of bathrooms , etc.) ... sounding silly as I am starting out! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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421 views

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machine learning - PCA in matlab selecting top n components

I want to select the top N=10,000 principal components from a matrix. After the pca is completed, MATLAB should return a pxp ... * xc) / (m-1); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Under what parameters are SVC and LinearSVC in scikit-learn equivalent?

I read this thread about the difference between SVC() and LinearSVC() in scikit-learn. Now I have a data ... : Output Figure from previous code See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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machine learning - Keras Text Preprocessing - Saving Tokenizer object to file for scoring

I've trained a sentiment classifier model using Keras library by following the below steps(broadly). Convert Text corpus ... a way around this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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