Answered
How can i calculate precision and recall in a Siamese network
yes,sir,may be use model to test data output,and use [tpr,fpr,thresholds] = roc(targets,outputs) to get roc

2 years ago | 0

Answered
Not enough input arguments.
clc; clear all; close all; I=imread('football.jpg'); if ndims(I)==3 I = rgb2gray(I); end imshow(I); N=16; %niveau de q...

2 years ago | 1

Answered
Output of number of people from a thermal image
im = imread('https://ww2.mathworks.cn/matlabcentral/answers/uploaded_files/938099/rgb.png'); jm = rgb2lab(im); bw = im2bw(mat2...

2 years ago | 0

Answered
Polar Plot Axis is Off Center from and not Scaled with Background Image
minS = 15; maxS = 30; minH = 50; %because yellow is apparently yucky c = (-1*minS+maxS)/2; a = maxS-c; ellipticity = c/a;...

2 years ago | 0

Answered
Error using activations functions in matlab
yes,sir,if modify net structure,may be need retrain it,then use activations to get feature so,may be use featuresTrain = activ...

2 years ago | 1

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Answered
Not using GPU for trainNetwork?
yes,sir,may be use >> gpuDevice to check your ExecutionEnvironment or in train option,set 'ExecutionEnvironment','gpu' 'Exe...

2 years ago | 0

Answered
How to save SeriesNetwork variables to file for quick loading next time?
yes,sir,may be use save to get mat file for target variable,such as warning off all modelfile = 'digitsDAGnet.h5'; net = impo...

2 years ago | 1

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Answered
what is the best methodology to detect playing cards?
yes,sir,may be use hu,lbp or other feature to classify,or just use cnn to train data

2 years ago | 0

Answered
MATLAB code for non subsampled shearlet transform
yes,sir,may be use NSST toolbox,such as https://ww2.mathworks.cn/matlabcentral/fileexchange/10049-nonsubsampled-contourlet-tool...

2 years ago | 0

Answered
How to convert complex single Image data into complex double image?
yes,sir,may be use double(your_matrix)

2 years ago | 0

Answered
how to select region with longest length on segmented image ?
% Initialization Steps. clc; % Clear the command window. close all; % Close all figures (except those of imtool.) clear; ...

2 years ago | 0

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Answered
Error in Recognize Text Using CRAFT Model And OCR Example
yes,sir,may be check length(output) to judge its number

2 years ago | 0

Answered
Finding black borders in image
yes,sir,may be upload your image file,let's use the follow method bw2 = ~imclearborder(~bw); [r,c] = find(bw2); bw2 = bw(min(...

2 years ago | 1

Answered
How do I return a matrix from a function?
A = readMyPicture("cameraman.tif"); figure; imshow(A, []); function A = readMyPicture (fileName) A = []; if nargin < 1 ...

2 years ago | 0

Answered
featureinputlayer and convolution1dlayer
layers = [ featureInputLayer(100,'Name','input') fullyConnectedLayer(5, 'Name','fc') softmaxLayer('Name','sm') ...

2 years ago | 0

Answered
How to change Y-axis coordinates of meshgrid
imSz = 1000; % assuming images are 1000x1000 imbg = false(imSz); % background "color" imfg = ...

2 years ago | 0

Answered
How to remove scales and the black border from the segmented image
I = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/933929/image.jpeg'); I = imcrop(I, [138 47 1061 799]...

2 years ago | 0

Answered
PIV-OH Overlap
yes,sir,may be use quiver(x,y,x_velocity, y_velocity) hold on; h=imshow(PLIF_data,[]) set(h,'AlphaData',0.5)

2 years ago | 0

Answered
fit the found retina area with a second-order polynomial using least-square curve fitting
yes,sir,may i ask what is the target,the curve?such as clc; clear all; close all; I = imread('https://ww2.mathworks.cn/matlabc...

2 years ago | 0

Answered
How to fruit classify by neural network ?
yes,sir,may be use pretrained cnn model,such as https://ww2.mathworks.cn/help/releases/R2019a/deeplearning/examples/classify-im...

2 years ago | 1

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Answered
Thickness measurements of an optical image
im = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/930819/image.png'); bw = im2bw(im); bw2 = imclos...

2 years ago | 0

Answered
How Can I remove lines from the below images?
urls = {'https://www.mathworks.com/matlabcentral/answers/uploaded_files/928744/Stryker_Triathlon%20CR_Total%20Knee.JPG','https...

2 years ago | 0

Answered
manipulating each pixel in an image sequence
yes,sir,may be use loop to process,such as for i = 1 : 40 im = imread(fullfile(pwd, 'images', sprintf('%02d.jpg'))); ...

2 years ago | 0

Answered
How to use train, validation and test?
yes,sir training data is used to train the model the validation data is used to observe the performance of the model during tr...

2 years ago | 0

Answered
How to Split image based on a blue line in image - so i want to split image into 2 and the cut should be where a blue line is in the image.
img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/928519/image.png'); jmg = rgb2lab(img); s = imc...

2 years ago | 0

Answered
How to create fixed rectangle and crop it?
img = imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/927339/image.jpeg'); figure; imshow(img, []); h =...

2 years ago | 0

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Answered
How can I convert a graph representation into a density image
yes,sir,may be use imagesc,and colormap to get pcolor image if possible,may be upload the data mat file to analysis

2 years ago | 0

Answered
How to perform normalization of images, splitting of datasets and data processing correctly?
yes,sir,may be use mat2gray 、rescale、mapminmax to process data,such as img = double(imread('rice.png')); [~,PS] = mapminmax(i...

2 years ago | 2

Answered
RGB to LAB converting to a weird colour
img = imread('football.jpg'); jmg = rgb2lab(img); figure; subplot(2, 2, 1); imshow(img, []); title('origin'); subplot(2, 2,...

2 years ago | 0

Answered
Detect the shape in MATLAB
img = imread('https://ww2.mathworks.cn/matlabcentral/answers/uploaded_files/928244/image_2732.png'); bw = im2bw(img); % 霍夫分析 ...

2 years ago | 0

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