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David Willingham

MathWorks

Last seen: 4 days ago |  Active since 2016

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Deep Learning Product Manager

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Answered
maskrcnn example is not training
Hi Sam, What version of MATLAB are you running? David

29 days ago | 0

Answered
Can anyone explain why CNN model trained using Deep Learning Toolbox in Matlab predicts much faster than one built in Pytorch or TensorFlow?
Hi Cat-22, Thanks for bringing this to our attention! It would be great to look into this benchmark you've raised. Would you b...

29 days ago | 0

Answered
Difference between fitrnet and fitnet
Hi Alex, Both fitnet and fitrnet use a legacy version of creating (shallow) neural networks. If you're looking to build your o...

29 days ago | 0

Answered
Dose mask-RCNN in Matlab only support 'resnet50-coco' net?
Hi Felix, On GitHub we have a version that shows how to use Resnet101: https://github.com/matlab-deep-learning/mask-rcnn ...

1 month ago | 0

Answered
Converting Neural Network Model file from Python to Matlab
Hi, The importer that had the most up to date functionality as it’s based on networks created in TensorFlow 2.0: https://w...

1 month ago | 0

Answered
How to use Deep learning toolbox for ECG signal denoising
Hi, Here is a similar example used on audio data,m which you could use as a starting point: https://www.mathworks.com/help/dee...

2 months ago | 0

Answered
feature selection for regression
Hi, if you're looking to perform feature engineering with machine learning models, have you tried automl? If not, check out thi...

2 months ago | 0

Answered
1-D Convoltional Neural network for ECG signal processing
Hi, MATLAB's Deep Learning toolbox has support for 1-D convolutional layers. This doc page lists an example of this: https://...

2 months ago | 0

Answered
In MATLAB , NANs in during training neural network
Hi, MathWorks didn't build the Perceptron NNtool toolbox. You can run shallow neural networks in both the Statistics and Machi...

2 months ago | 0

Answered
Error in DeepLearning using googlenet
Hi, I'd recommend running the network analyser to see where the issues are with the modifications that have been made to the ne...

2 months ago | 1

Answered
import autoEncoder from workspace into Deep Network Designer APP
Hi, The autoencoder function was built using MATLAB's neural network legacy functionality, I.e. prior to when we released an u...

2 months ago | 0

| accepted

Answered
How can I speech enhancement with DNN?
Hi, Here is a reference page for Deep Learning with audio, it would be a good place to start: https://www.mathworks.com/help/d...

2 months ago | 0

Answered
using neural network in Simulink
Hi, Are you asking why the "Predict" block is acting differently than the "Stateful Predict" block? IF so, are you specifying...

2 months ago | 2

| accepted

Answered
How to tune hyperparameters for LSTM training.
Hi, I'd recommend using the Experiment Manager App for tuning / understanding various hyperparameter combinations. Here is an ...

2 months ago | 0

| accepted

Answered
Error while running importKerasNetwork
Hi, This has been observed before. I don't believe it's due to reinstalling MATLAB. Please check if the following work around ...

2 months ago | 0

Answered
How to perform Lane Detection on custom videos using the pretrained "laneNet" series network?
Hi, there is a pretrained model for lane detection available on GitHub here.This repository implements a pretrained Spatial-CNN ...

3 months ago | 0

Answered
identifying all objects in an image using CNN-based object detection
HI Eric, The example uses a simple deep learning network. Try using Yolo-V4 or EfficientDet instead. Another thing you might ...

3 months ago | 0

Answered
How to solve the following drift problems when using long-term short-term memory (LSTM) network to predict time series data？
For time series forecasting, as you've seen too short and the model forecast will drift over time. Too long, and the model may ...

3 months ago | 0

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Answered
Determine the GA accuracy
What are your inputs are they optimization parameters? What is your output, is it accuracy? If so what metrics are you looking ...

3 months ago | 0

Answered
Does MATLAB support YOLOv4
Hi, The following link on GitHub shows MATLAB's Pretrained YOLO v4 Network For Object Detection

3 months ago | 1

Answered
How to integrate a trained LSTM neural network to a Simulink model?
You can use the Stateful predict, or Stateful classify to for using a trained LSTM with Simulink Here are some links: Predict ...

3 months ago | 0

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Answered
How to load trained R-CNN model to SIMULINK
As of R2021b, you can simulate and generate code for deep learning object detectors in Simulink®. The Analysis & Enhancement blo...

3 months ago | 0

| accepted

Answered
MATLAB on AWS Stack/Instance
Hi Matt, Firstly, if you'd like to automate the creation of the VM on AWS, I'd recommend using our Deep Learning Container on D...

3 months ago | 0

| accepted

Answered
How to implement the trained neural network in smulink model?
Is this a shallow network as trained by: https://www.mathworks.com/help/deeplearning/ref/network.train.html If so, have yo...

3 months ago | 0

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Answered
Predictive Maintenance Convolution Neural Network Algorithm Error
Hi, it's difficult to debug based on the error message alone. First things to check: Did the example run without error on yo...

3 months ago | 0

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Answered
importKerasNetwork does not work: provide support for importing keras (with tensorflow backend) models with custom layers / custom activation functions
@Sandy Kumar, R2018a is too earlier of a version to try importing. Do you have access to the latest version R2021b or R2021a? I...

3 months ago | 1

Answered
Import yolov5s.onnx with a yolov5ObjectDetector
Hi Niklas, Are you able to point to where the ONNX yolov5 was obtained? It's hard to say why the detector is not there without ...

3 months ago | 0

Answered
Who added Matlab deep learning architectures?
If you go to the MATLAB doc page for each network, it will show the references at the bottom: For example, in Googlenet: htt...

4 months ago | 1

| accepted

Answered
Industrial Machinery Anomaly Detection, Part02_Modeling.mlx: extractLabeledData
Hi Juliette, Referring to this GitHub example https://github.com/matlab-deep-learning/Industrial-Machinery-Anomaly-Detection Y...

4 months ago | 0

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Answered
How do I create a 1D CNN
Hi, as of R201b, you can create and train deep learning networks with 1-D convolution and pooling layers for sequence and time s...

4 months ago | 1

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