回答済み
How to measure the distances in a binarized image
yes，sir，may be upload 5 image to debug，such as clc; clear all; close all; img = imread('https://ww2.mathworks.cn/matlabcentral...

約4年 前 | 1

| 採用済み

回答済み
Imagesc Color Assignment of Values
clc; clear all; close all; % 0:25 to white, 25:50 red and so forth. figure; caxis manual my_map=[0 0 0;1 1 1;1 0 1;1 0 0]; ...

約4年 前 | 1

回答済み
why the vectors in the quiver plot are so small ?
yes，sir，may be use quiver(X,Y,U,V,2); such as clc; clear all; close all; [x,y] = meshgrid(0:0.2:2,0:0.2:2); u = cos(x).*y; ...

約4年 前 | 0

| 採用済み

回答済み
after detect corners of QR , i wanna crop QR depend on centroid i used this but didn't work
clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/849700/image.bmp'); fi...

約4年 前 | 0

回答済み
Store spectrogram with image data format in the MATLAB workspace
Address = 'C:\Users\KOH\Desktop\MATLABcode\Soundsample'; Directory = dir(fullfile(Address,'SPTGRM*.wav')); windowSize = 256; ...

約4年 前 | 0

回答済み
REGULAR BLACK LINES IN GLCM MATRIX
yes，sir，may be upload your tif file，or use imshow(log(abs(glcm)),[]); to check

約4年 前 | 1

回答済み
Why is my Hotelling Transform implementation producing garbage?
yes，sir，please check criticalPoint = findCriticalPoint(sortedD, 0.1); it is 1，if modify it to criticalPoint = max(20,findCri...

約4年 前 | 0

| 採用済み

回答済み
Please explain this QR code program to me.
yes，sir，i think the key is to judge the square corner，such as now，we can find the rule a = pdist([ci; cj],'euclidean'); b...

約4年 前 | 0

回答済み
If i have a specific feature as an image how do i extract that from a larger image in matlab
yes，sir，may be use imresize to get the appropriate image matrix

約4年 前 | 0

回答済み
how can i draw a rectangle around the object in my image by the object main axis?
yes，sir，may be use minboundrect.m，such as clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/ans...

約4年 前 | 0

回答済み
I wanna detect QR box in image i used this but didn't work , i wanna detect qr depend on black background with white inside
clc; clear all; close all; img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/849340/input%20image.bm...

約4年 前 | 0

回答済み
How to adjust the intensity of grayscale image?
yes，sir，may be use im = im2uint8(mat2gray(im));

約4年 前 | 0

回答済み
I need to make a general code
clc; clear all; close all; %function const_interleaver(select) %% constructing the orignal address matrix Address=zeros(24); ...

約4年 前 | 1

回答済み
Quadratic Optimization for 4D in for Loop
clc; clear all; close all; a = [0.0068 0.0036 0.000299 0.0151]; b = [0.0086 0.00453 0.0016 0.00872]; % f = @(xj,xk) a(i) - (...

約4年 前 | 1

| 採用済み

回答済み
I try to rotated my QR code depends on three boxs i used this code but didn't work
clc; clear all; close all; I = imread('https://ww2.mathworks.cn/matlabcentral/answers/uploaded_files/848380/2.1.bmp'); Igray =...

約4年 前 | 0

回答済み
Object detection in an image
yes，sir，delete this comment

約4年 前 | 1

回答済み
Index exceeds the number of array elements (1511).
clc clear all close all % verilerin okunması digitDatasetPath = fullfile(matlabroot,'toolbox','nnet','nndemos', ... ...

約4年 前 | 0

回答済み
Why my value of MSE and PSNR have 3 values?
yes，sir，it is rgb type，may be use rgb2gray to make it gray type，such as InputImage=double(rgb2gray(imread('https://www.mathwork...

約4年 前 | 0

回答済み
Codegen Error: unable to copy file
yes，sir，please check file C:\kani\BDU_Optimization\LUT\codegen\mex\classifyIris\classifyIris_mex.mexw64 and check folder C:\k...

約4年 前 | 0

回答済み
Confusion Matrix without tp fp
yes，sir，may be export your data to workspace，and use plotconfusion to display、use confusion to get result

約4年 前 | 0

回答済み
Hi I'm trying to run this code right now but it shows "Not enough input arguments" and "Error in GetData (line 13): load([EnvDir 'Envelope_F.mat'],'Envelope_F');"
yes，sir，this is function，so please check the parameters，or set the default parameters， such as function [stimSet, respSet, stim...

約4年 前 | 0

回答済み
Feature Selection using Correlation-based method
yes，sir，may be use the index to select feature，and then retrain model，such as index=corrSel(feature,class) selected_features=f...

約4年 前 | 1

| 採用済み

回答済み
Doing something simply dumb :(( Trying to get a meshgrid to read my third Class category but not working.
yes，sir，may be use index1 = find(Y==1); index2 = find(Y==2); index3 = find(Y==3); to generate data index vector，and get data...

約4年 前 | 0

回答済み
Is it possible to run the classification learner app in a loop?
yes，sir，just as https://ww2.mathworks.cn/matlabcentral/answers/1576568-loop-machine-learning-algorithm-functions?s_tid=srchtitl...

約4年 前 | 1

回答済み
Feature importance with many features
yes，sir，it is feature select、dimension reduce，may be use mRMR to select，use pca to reduce

約4年 前 | 0

回答済み
How to convert images into grayscale, which are stored in the imagedatastore then split into testing and training?
yes，sir，may be use ColorPreprocessing to aument data，such as augimdsTrain = augmentedImageDatastore(inputSize(1:2),imdsTrain,'C...

約4年 前 | 0

回答済み
Save/Crop Figure (bmp) file without background
yes，sir，if through figure to save the image file as a bitmap (bmp) format. may be use f = getframe(gca); f = frame2im(f); im...

約4年 前 | 1

回答済み
Matlab command for plotting complex number?
yes，sir，may be use two vector plot the complex data，such as xy = rand(20,1) + randn(20,1)*i; x = real(xy); y = imag(xy) figur...

約4年 前 | 0

回答済み
How do I run a .mlapp in a script? How can I access parts of the GUI in this script?
yes，sir，if use fig format gui, my be use guide to open，such as guide open the fig file，and click right mouse to edit callback ...

約4年 前 | 0

回答済み
Error using imaq.VideoDevice
yes，sir，may be use vidDevice = imaq.VideoDevice('winvideo', 1, strcat('MJPG_',num2str(FRAME_WIDTH),'x',num2str(FRAME_HEIGHT)), ...

約4年 前 | 0

さらに読み込む