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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
replace one bit plane with random image in DCT domain and get DCT inverse
may be use uint8 loss some image data,can use more bigger range format,such as img=imread('cameraman.tif'); b = dct2(img); im...

alrededor de 15 horas ago | 0

| accepted

Answered
How do I count certain values within a column of a table?
clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/873730/image.png'); im...

alrededor de 15 horas ago | 0

Answered
How to open .int image Using Matlab?
fid = fopen('point1.int','rb'); a = fread(fid, 'double'); fclose(fid); but it all zeros

alrededor de 16 horas ago | 0

| accepted

Answered
I can't install Add ons...
yes,sir,may be try install for many time,or change your web type,such as use wireless

alrededor de 16 horas ago | 0

Answered
How to get the function 'convolution1dLayer' ?
yes,sir,may be use 2D to replace 1D,such as imageInputLayer([1024 1 1]) convolution2dLayer([100 1],3,'Stride',1)

alrededor de 16 horas ago | 0

Answered
How to save an image saved on a Raspberry PI in a variable in order to process the image?
yes,sir,i face similar problem before,then use http server on device and use matlab read image through http link form device

2 días ago | 0

Answered
access multiple csv files from different folder
% three folder in the drive namely 'D/Buck/V=12v' , 'D/Buck/V=24v' and 'D/Buck/V=48v' % 4 differnt csv files namely 2.csv,4....

2 días ago | 0

Answered
How to automatically obtain shape coordinates
clc; clear all; close all; img = imread('https://ww2.mathworks.cn/matlabcentral/answers/uploaded_files/871715/uno.png'); if nd...

2 días ago | 0

Answered
How to save figures on the program general folder?
yes,sir,may be use exportfig or print comand,such as fd = fullfile('C:\Users\ your\Examples\Balance_energetico_',aux_year); if...

2 días ago | 1

Answered
how can i know the programming behind a MATLAB GUI
yes,sir,if you get .fig and .m file,just use guide to open .fig,and ues mouse right click button or other , view callback functi...

3 días ago | 0

Answered
exportgraphics streches images whily saving if 'visible' is 'off' - bug?
clear all; close all; data = rand(10,5); %% on f1 = figure('Visible','on'); h1=heatmap(data); exportgraphics(f1,'test_on.p...

3 días ago | 0

Answered
alignment issue in fprint
P=[65.44; 87.12; 67.46; 79.51]; words1={'Moisture';'Fixed carbon';'Volatile matter';'Ash'}; words2 = repmat({'wt%'},length(P),...

3 días ago | 1

| accepted

Answered
How to replace the one-hot-encoded label with a (Gaussian) distribution in the training of a CNN for classification ?
yes,sir,may be just compute vector,such as class_info = [1; 2; 2; 1] class_num = length(unique(class_info)); Y = zeros(length...

3 días ago | 0

Answered
Hi, may i know how to create a loop in this code for image subtraction? X is the reference image and variable in Y , I have 10 images in the folder
% X is the reference image and variable in Y , I have 10 images in the folder x=im2double(imread('reference.png')); for i = 1...

3 días ago | 0

Answered
How to reconstruct 3D volume from 2D projections that are generated by same 3D volumetric?
yes,sir,what is target,make 3d matrix display as 3d object?such as

3 días ago | 0

Answered
Predictors must be a N-by-1 cell array of sequences, where N is the number of sequences. All sequences must have the have the same feature dimension and at least one time step
yes,sir,may be the data should make process,such as clc; clear all; close all; % Data = readtable("C:\Users\robouser\Desktop\m...

3 días ago | 0

| accepted

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');

5 días 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

5 días 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,...

5 días 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

6 días 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)

7 días 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'...

7 días 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...

7 días ago | 0

| accepted

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...

7 días 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 '...

8 días 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')

8 días 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 ...

8 días 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 ...

8 días 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

9 días 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('...

10 días ago | 0

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