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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
I have 2D .jpg images which I want to convert into 3D.stl files with same thickness throughout (eg two Z values) in the created .stl file
yes,sir,may be use f is Faces,v is Vertices tr2 = triangulation(f,v); stlwrite(tr2,'demo.stl');

18 hours ago | 0

Answered
Does anyone know the 2D data sets of matlab for classification tasks?
yes,sir,may be use mnist、orl and so on,to do classify experiment

23 hours ago | 0

Answered
Cropping a bounded area using image processing
clc clear all close all ei = 25; st = 35; k=ei*st; img = imread('rrr.jpg'); h = ones(ei,st)/k; I = imfilter(img,...

23 hours ago | 0

Answered
how can i calculate 1000 data on GLCM and save result from GLCM in excel
yes,sir,may be use xlData = []; to replace your first line

2 days ago | 0

Answered
Need help with question
clc; clear all; close all; % Find all possible values of 2^5-2i syms x eqn = 2^5-2*x==0; solx = solve(eqn,x)

3 days ago | 0

Answered
Writing TIFFs with 9 components is not supported with IMWRITE. Use Tiff instead. Type "help Tiff" for more information.
clear;clc;close all % Load the Image Dataset of Normal and Malignant WBC imdsTrain = imageDatastore('D:\Project\DB1\train'...

3 days ago | 0

| accepted

Answered
Binary to RGB image with specific colour in specific area
yes,sir,may be use regionprops to compute region property,and make rule to find first、second、third class,use findpeaks to segmen...

3 days ago | 0

Answered
How do you use 'Color Preprocessing'?
yes,sir,may be use it in data loader and input layer,such as use alexnet,we get the inputSize is 227x227x3,so we use augmentedI...

3 days ago | 0

Answered
How to read images in the correct order with minibatchqueue?
yes,sir,may be set trainingOptions,such as 'Shuffle', 'never' to make it do not shuffle data order,in common,we offen use '...

4 days ago | 0

Answered
saveas commad saves a figure with different size in MATLAB version 2013b and 2020b
yes,sir,may be use print or exportfig、getframe+frame2im,such as print(gcf,'-dpng','-r200','fgname')

4 days ago | 0

| accepted

Answered
How to display sequence of images in GUI
path = uigetdir(); img_path = [path '/imgs/']; D = dir([img_path, '*.jpg']); seq_len = length(D(not([D.isdir]))); img_files ...

4 days ago | 0

Answered
Combining slices of image
yes,sir,may be use imresize to make them to same size,and cat them to one matrix if possible,please upload your image files to ...

4 days ago | 0

Answered
use classification GLCM-CNN
yes,sir,may be use GLCM to get feature,and reshape it to 4-D matrix,then use it to train CNN model

5 days ago | 0

Answered
ROI Trace boundaries result
yes,sir,may be add some process to logical image,such as close all; clear all; clc; I = imread('coins.png'); figure('...

6 days ago | 0

Answered
Hi, I am the beginer for doing simple image subtration to obtain defect image. Is it possible to make it only show the defect image if nothing difference wont show?
yes,sir Is it possible to make it only show the defect image if nothing difference wont show? may be add some judge rule,such...

6 days ago | 0

| accepted

Answered
How can I find the distance between adjacent blobs in a segmented image?
clc; clear all; close all; fileName = 'https://www.mathworks.com/matlabcentral/answers/uploaded_files/864390/image.jpeg'; img ...

6 days ago | 0

Answered
Has anyone had any luck using the function detectCircleGridPoints? I can't get it to work and I have the Computer Vision Toolbox installed.
clc; clear all; close all; fileName = 'https://www.mathworks.com/matlabcentral/answers/uploaded_files/864390/image.jpeg'; img ...

6 days ago | 0

| accepted

Answered
Help with Sift Flow Algorithm - debugging the demo
yes,sir,may be use vlfeat toolbox,and vl_sift to get sift points and discripters

6 days ago | 0

Answered
How to detect drone against foreground?
yes,sir,may be train yolo model to detect this object

6 days ago | 0

Answered
How do i import my own data set for image to vector cnn regression?
yes,sir,may be use regressionLayer as net output Layer,and reshape data to 4-D XTrain、1-D YTrain to train net if possible,may b...

6 days ago | 0

Answered
Image to number prediction using CNN regression.
yes,sir,may be use regressionLayer as the net output,and use 4-D XTrain, 1-D YTrain to train net

6 days ago | 0

Answered
how to create traning,testing table in yolov3 for multiple class?
yes,sir,may be upload your mat file and images,or check the follow demo clc; clear all; close all; load yolov2ResNet50StopSign...

6 days ago | 0

Answered
Will the deep learning toolbox train convert double-precision training data into single-precision during training in default?
yes,sir,in trainNetwork,the precision make to single,such as

6 days ago | 0

Answered
Setting Neural network training dataset
yes,sir,may be set net.divideFcn、divideblock to get trainInd,valInd,testInd

6 days ago | 0

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Answered
Warning: Variable 'rxTrainFrames' was not saved. For variables larger than 2GB use MAT-file version 7.3 or later
yes,sir,may be save trainedNet5.mat trainedNet5 rxTrainFrames then use load trainedNet5.mat to get it

6 days ago | 0

Answered
globalAveragePooling1dLayer error
yes,sir,may be check Ydata,such as use Ydata2 = categorical(Ydata); to get categorical vector,then train

6 days ago | 0

Answered
Only image inputs are supported for import using 'importONNXNetwork'
yes,sir,may be transfer data to cell and save as mat file,then use reshape to modify data dimension

6 days ago | 0

Answered
how to make the graph start at axis-y = 0 ?
yes,sir,may be set options 'ValidationFrequency' to make different valid step

9 days ago | 0

Answered
Can I use median filtering without put the salt & pepper noise?
yes,sir,may be use it directly,such as %median filtering handmf = imread ('cameraman.tif'); %handmedfilt = imnoise (handmf,'s...

10 days ago | 0

Answered
How can I delete certain unwanted user-defined regions/blobs in segmentation?
yes,sir,may be use block distance to auto filter,such as clc; clear all; close all; fileName = 'https://www.mathworks.com/matl...

10 days ago | 0

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