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yanqi liu


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Last seen: Today Active since 2021

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MATLAB
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Answered
How to Split fisher iris data into 60% training and 40% Testing
yes,sir,may be use the follow split method ,such as close all; clear all; clc; load fisheriris cs = categorical(species); ...

circa 19 ore ago | 0

Answered
How to covert back the gray scale image into rgb?
yes,sir,may be check the colormap,such as close all; clear all; clc; img1 = imread('https://ww2.mathworks.cn/matlabcentral/a...

circa 19 ore ago | 0

| accepted

Answered
Slicing .vol 3D volume file into 2D images
yes,sir,may be upload the 3D file to do some analysis,or check the follow code close all; clear all; clc; fid = fopen("CT.vo...

circa 19 ore ago | 0

Answered
How to fuse or overlay multiple masks of clustering results onto the original image in a for loop
yes,sir may be use bwlabel and label2rgb to make the maks label to rgb image then,use imshow handle to set the AlphaData,such ...

circa 19 ore ago | 0

Answered
How do I subplot figures and Title Figures
yes,sir,may be use montage or subplot,such as close all; clear all; clc; % load('undergraduate_data.mat'); a = imread('came...

circa 19 ore ago | 0

Answered
change imref2d so that image is in center
yes,sir,which tmatrix used in your code,may be upload the file and do some analysis,such as clear all;clc;close all; origimage...

2 giorni ago | 0

Answered
I need to load an image to apply my filter registration code but cannot get the image to load. The image is in a matlab file, but keep getting an error loading, line 9.
clear all; close all; clc; %Number of shifted noisy frames Nshifts = 50; %Noise standard deviation nze_std_dev = 80; %Set t...

2 giorni ago | 0

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...

4 giorni 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

4 giorni 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...

4 giorni 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...

4 giorni 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...

5 giorni 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; ...

5 giorni 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 =...

5 giorni 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)

6 giorni 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');

6 giorni 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 ...

6 giorni 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...

6 giorni 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...

6 giorni 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 ?

6 giorni 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...

6 giorni 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'); % ...

6 giorni 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','...

6 giorni 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('...

6 giorni 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...

6 giorni 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...

6 giorni 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...

7 giorni 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

7 giorni 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

7 giorni 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)...

7 giorni ago | 0

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