Risposto
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

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 1

Risposto
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...

circa 2 anni fa | 0

Risposto
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;...

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 1

| accettato

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

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 1

| accettato

Risposto
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

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 0

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

circa 2 anni fa | 0

Risposto
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; ...

circa 2 anni fa | 0

| accettato

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

circa 2 anni fa | 0

Risposto
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(...

circa 2 anni fa | 1

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

circa 2 anni fa | 0

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

circa 2 anni fa | 0

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

circa 2 anni fa | 0

Risposto
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]...

circa 2 anni fa | 0

Risposto
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)

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 1

| accettato

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

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 0

Risposto
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'))); ...

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 0

Risposto
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 =...

circa 2 anni fa | 0

| accettato

Risposto
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

circa 2 anni fa | 0

Risposto
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...

circa 2 anni fa | 2

Risposto
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,...

circa 2 anni fa | 0

Risposto
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 ...

circa 2 anni fa | 0