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yanqi liu


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Last seen: 1 jour ago Active since 2021

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MATLAB
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Answered
inverse filtering and weiner filtering matlab code
yes,sir,may be change some parameter,because motion too big to hard restore,such as clc; clear all; close all; I = im2double(i...

environ 12 heures ago | 0

Answered
Contrast enhancement techniques in HSV or LAB
yes,sir,may be use imtool to interactively adjust relevant parameters and analyze the visualization effect

environ 12 heures ago | 0

Answered
how to convert 227x227 image into 227x227x3
yes,sir,may be use % convert 227x227 image into 227x227x3 imds = imageDatastore('imagefolder','IncludeSubfolders',true,'LabelS...

environ 12 heures ago | 0

| accepted

Answered
how can I extract predicted label and testlabel from already trained deep learning model. the code below gives error while running
yes,sir,as Walter Roberson said,may be ensure data class,such as load('MyVGG19Model.mat'); imdsTest = imageDatastore("C:\Users...

environ 12 heures ago | 0

Answered
How to write a video file without changing the pixel values?
yes,sir,may be use v = VideoWriter('out.avi','Uncompressed AVI'); to creat avi file use 'Uncompressed AVI' but,as @DGM said,t...

1 jour ago | 0

Answered
Convert a LayerGraph into a DAGNetwork - Validate and Initialize the Net
yes,sir,may be use assembleNetwork for pretrained layers,if make an init empty unet,may be just use clc; clear all; close all; ...

1 jour ago | 0

Answered
How to separate features and target (numeric values) in a tabular text datastore to import into Deep Network Design?
yes,sir,may be choose the data to X and Y,such as % 500 rows 10 features and the target. X = Data(:, 1:10); % 10 features Y =...

1 jour ago | 0

Answered
How do I create and plot a confusion matrix for my trained convolutional neural network?
yes,sir,if want get the data information,may be use [c,cm,ind,per] = confusion(augimdsValidation.Labels,YPred)

2 jours ago | 0

Answered
How many features i need select from a set ranked image feature space?
yes,sir,may be use activations to get the vector,such as activations(net,data,layer,'OutputAs','rows');

2 jours ago | 0

Answered
I need to implement a code for Handwritten digits recognition( Using MNIST data set) using Stochastic gradient descent, backpropogation with momentum and using sigmoid activation function.
yes,sir 1 hidden layer neural network with 784 inputs, 100 hidden neurons, 10 outputs(one for each digit) with backpropagation ...

2 jours ago | 0

Answered
Deeplearning validationData in 2021b (deep learning toolbox)
yes,sir,may be upload some code or data,or use A = cellfun(@single,your data) such as A = cellfun(@single,{1,2}) to avoid dat...

2 jours ago | 0

Answered
Concatenate SSCB results from image layer with numeric CB feature data in deep learning model.
yes,sir,is the classes number 10?may be use layersTransfer = net.Layers(1:end-3); numClasses = 10; layers = [ layersTran...

2 jours ago | 0

Answered
Selection for inputs does not have 0 elements nprtool GUI error
yes,sir,may be ensure the inputlayer dimension,is it 9*x ?

2 jours ago | 0

Answered
Trying to create neural network but getting a NaN error from dataset
clc; clear all; close all; %Import/Upload data load generated_data.mat %transposing glucose data X1_T = X1'; %transposing i...

2 jours ago | 0

Answered
How to threshold an image when background and foreground color are similar to each other?
clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/819834/image.png'); % ...

2 jours ago | 0

| accepted

Answered
how to increase accuracy image processing for extract decimals
yes,sir,may be make some image process,such as im2bw、imbinary,and use the ocr number parameter,such as ocr(bwt,'CharacterSet','...

2 jours ago | 0

Answered
RGB to Grayscale without using rgb2gray
convert RGB to grayscale without rgb2gray convert back to rgb from grayscale clc; clear all; close all; RGB_image = imread('...

2 jours ago | 0

Answered
How to insert image from my computer while report generation using mlreport?
yes,sir,may be use import mlreportgen.dom.* import mlreportgen.report.* import mlreportgen.dom.*; rpt = Document('exampleR...

3 jours ago | 0

Answered
How to make mnist data with my 10 similar 28x28 png images?
yes,sir,is it mean generate matrix use the 28*28 gray png files? may be use the mnist structure,use loop to read the file,and m...

3 jours ago | 0

Answered
How to calculate the radial void fraction of non spherical particles from in an image
yes,sir,may be consider clc; clear all; close all; img = imread('https://ww2.mathworks.cn/matlabcentral/answers/uploaded_files...

3 jours ago | 0

Answered
How to Create Defect Class for Image Processing?
yes,sir,may be use regionprops to get some properties,such as Boundingbox,Area,Circularity then make judge rule to classify

3 jours ago | 0

Answered
Streaming a URL from VLC to MATLAB
yes,sir,may be make one http server to get video stream and transfer to image,then use client to request the data

3 jours ago | 1

Answered
how to display an image
yes,sir,may be use figure(11); clf; set(gcf, 'Position', get(0,'Screensize')); for n= 1: length(propied) BBs= propied(n)...

3 jours ago | 0

Answered
Is there a way to segment this image into 3 parts, even though the colours are so similar?
yes,sir,may be use kmeans or watershed clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/answ...

3 jours ago | 0

Answered
How Can I embed the length of my secret message in the special bytes of the cover image
yes,sir,may be use base64 to encode message,and use lsb method to embed the string into image matrix

4 jours ago | 0

Answered
Invalid training data. For image, sequence-to-label, and feature classification tasks, responses must be categorical.
yes,sir,please use the follow code to test imds1 = transform(imds,@(x)imgaussfilt(x,2)); %change to imds1 = imageDatastor...

4 jours ago | 0

| accepted

Answered
GUI - Error when trying to program the second slide bar for the upper limit for variable hue in image processing (lower limit succeeded)
yes,sir,use Rik method,modify as clc; clear all; close all; RGB_Image_Re = imread('https://ww2.mathworks.cn/matlabcentral/answ...

4 jours ago | 0

Answered
Call a folder from desktop and use images inside it
% read [filename, pathname, ~] = uigetfile( ... { '*.bmp;*.jpg;*.tif;*.png;*.gif','All Image Files';... '*.*', 'all ...

4 jours ago | 0

Answered
How to determine height of a particular color in an image?
clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/817024/image.png'); jm...

4 jours ago | 0

Answered
How to create executable file for pretrained model Using GUI
yes,sir,when use gui transfer to exe,offen use mcc,and now suggest use applicationCompiler may be use web api to generate http ...

4 jours ago | 0

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