Answered
Error related to datasets when using yolov2.
yes，sir，as the information，please make your image to rgb not gray，such as augimdsTrain = augmentedImageDatastore(inputSize(1:2)...

4 years ago | 0

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Answered
How to use a self-made loss function for a simple Neural Network in Matlab?
yes，sir，may be it same on：https://ww2.mathworks.cn/matlabcentral/answers/1618945-how-to-use-a-self-made-loss-function-for-a-simp...

4 years ago | 0

Answered
How to extract informative part from a signal ?
yes，sir，may be use data filter to smooth data vector，and check the diff to segment data，get the split index range to segment ...

4 years ago | 0

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Answered
Invalid training data. Sequence responses must have the same sequence length as the corresponding predictors.
yes，sir，may be set sequenceInputLayer to sequenceInputLayer(10, ……) to match the input data，1*10 dimension

4 years ago | 0

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Answered
How to use a self-made loss function for a simple Neural Net ?
net=newff([0,1],[5,1],{'tansig','logsig'},'traingd') net.performFcn for more information，please check https://www...

4 years ago | 0

Answered
Index in position 2 exceeds array bounds (must not exceed 1)
yes，sir，may be upload 'offside.jpg' to debug may be check the 39 line，is it two columns matrix

4 years ago | 1

Answered
determine pixel length and width of the body
yes，sir，may be use bwlabel and regionprops to get the area information may be upload your origin image，then we can do some anal...

4 years ago | 0

Answered
Is there any limitation on the data ratio that is not suitable for cross-validation?
yes，sir，may be plot roc and confuse matrix to do some analysis

4 years ago | 0

Answered
How to train resnet50 model on multiple input?
yes，sir，may be use addLayers、connectLayers to merge net layers

4 years ago | 0

Answered
Hi, I want to apply arithmetic coding to the image. Can anyone help me?
clc; clear all; close all; img = imread('cameraman.tif'); data = img(:); input=double(data); [alphabet,~,seq]=unique(input)...

4 years ago | 0

Answered
Enhancing an RGB image to identify a feature
clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/843265/image.jpeg'); ...

4 years ago | 2

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Answered
Hi everyone. I had problem to display my value into "edit field"
app.RSquareEditField.Value = norm([y1-y]);

4 years ago | 0

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Answered
I have an image with gaussian noise and periodic noise. How to remove gaussian noise from image?
clc; clear all; close all; I=imread('cameraman.tif'); subplot(1,2,1);imshow(I); J = imnoise(I,'gaussian'); [x, y]=meshgrid(...

4 years ago | 0

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Answered
how can I read and extract the 2 LSBs of every byte from the RGB image array ?
clc; clear all; close all; img = imread('cameraman.tif'); img2 = blockproc(img,[1 1],@sp); figure; imshowpair(img,img2,'monta...

4 years ago | 0

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Answered
Not enough input arguments
yes，sir，may be use [c_matrix,Result,RefereceResult]= confusion(actual,predict_label);

4 years ago | 0

Answered
Undefined function or variable
clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/844815/image.jpeg'); f...

4 years ago | 1

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Answered
How to convert a DICOM image into a specific Gray Scale ?
yes，sir，may be use imtool to interactively adjust the grayscale parameters to view the effect

4 years ago | 0

Answered
Organise my Dataset images in 4 Array
How I can reach the main files of that example in MATLab database folders. click the button “Open live script” or check in fo...

4 years ago | 0

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Answered
When training a network with "trainNetwork", how to keep the trainable parameters from the begining to the end?
yes，sir，may be set options to train，such as options = trainingOptions('sgdm', ... 'MaxEpochs',20,... 'InitialLearnRat...

4 years ago | 0

Answered
Preparing a datastore for a multi-input CNN
visiondataPath = fullfile(matlabroot,'toolbox','vision','visiondata'); trdatstore = imageDatastore(visiondataPath,'IncludeSubfo...

4 years ago | 0

Answered
Why image doesnt show correctly while reading a binary file?
close all; clear all; clc; a = load('Rsaved1.bin'); a = reshape(a, 160, 90); b = load('Rsaved2.bin'); b = reshape(b, 160, ...

4 years ago | 0

Answered
Background modeling using univariate Gaussian density function.
yes，sir，may be use createBackgroundSubtractorMOG2，such as import cv2 as cv import numpy as np vid = cv.VideoCapture("D:/Pro...

4 years ago | 0

Answered
How to display second level dwt?
yes，sir，may be use the dimension information，such as close all; clear all; clc; %Reading picture by Matlab X=imread('camera...

4 years ago | 1

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Answered
No pixel label data found - using the pixelLabelTrainingData function...
yes，sir，when load the mat file，all field is empty， please check，such as a = load('gTruthSeq.mat'); a.gTruth.LabelDefinitions

4 years ago | 0

Answered
Interpolation method of IMAGE
yes,sir，may be default display size confused，such as clc; clear all; close all; x = zeros(640, 480, 3); x(:, 1:2:end, :) = 1;...

4 years ago | 0

Answered
What to do if insertText doesn't work, but there are no error codes?
yes，sir，may be use text to add text object on figure，or use insertText to generate a new image and imshow by another figure，such...

4 years ago | 0

Answered
Error using trainNetwork (line 183) Invalid network. Caused by: Layer 'fc7': Input size mismatch. Size of input to this layer is different from the expected input size
modify lgraph = replaceLayer(lgraph,'fc6',newFCLayer); to lgraph = replaceLayer(lgraph,'fc8',newFCLayer); net = alexnet; ne...

4 years ago | 1

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Answered
Selecting Images from the drop-down menu
% Value changed function: DropDown function DropDownValueChanged(app, event) value = lower(app.Dro...

4 years ago | 0

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Answered
how to display any image for 500 ms
clc; clear all; close all; % preapare data xyloObj = VideoReader('traffic.avi'); nFrames = xyloObj.NumberOfFrames; data = []...

4 years ago | 1

Answered
How to split imagedatastore and pixellabeldatastore
yes，sir，please check the help doc “Semantic Segmentation Using Deep Learning” we can learn the way to split data and label，such...

4 years ago | 0

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