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dlgradient: covariance matrix derivative.
yes，sir，may be use loop for every element in matrix clc; clear all; close all; [X1, X2] = meshgrid(linspace(0,1,10)); X1 = dl...

plus de 4 ans il y a | 0

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Pixel label image has scalar pixel label IDs instead of RGB-triplet pixel label IDs
yes，sir，may be change the label datetype such as uint8(round([128 000 000])) if possible，may be upload your data mat file to ...

plus de 4 ans il y a | 0

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Error when trying lstm regression not sure of the issue
yes，sir，may be change the layers，such as clc; clear all; close all; %Import/Upload data load generated_data.mat %transposing...

plus de 4 ans il y a | 0

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Regenerating training verbose table from saved traininfo
yes，sir，if you want save the command information，may be use diary(log); diary on; run your code diary off; finally，you w...

plus de 4 ans il y a | 0

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How to create a neural network
yes，sir identify soy in an image using neural network，such as https://ww2.mathworks.cn/help/vision/ref/fasterrcnnobjectdetecto...

plus de 4 ans il y a | 0

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How do I load the raw deep learning network?
yes，sir，may be use 'Weights','none' parameter net = googlenet('Weights','none')

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I want to build a structure like digitTest4DArrayData with my data
yes，sir，may be use cell to store image data to get X，and vector to store label data to get Y，then save X and Y to mat file and r...

plus de 4 ans il y a | 0

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Data in 4D array but still getting error and network issue
yes，sir，may be it the same data and problem，so here use target split data to train and test，such as clc; clear all; close all; ...

plus de 4 ans il y a | 0

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Array formation and parentheses-style indexing with objects of class 'matlab.io.datastore.ImageDatastore' is not allowed.
yes，sir，may be use annotationsTrain = subset(imds,idxTrain);

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Problems with optical character recognition
yes，sir，if we can get the figure or .fig file，may be use figure handle can get the property value but，if just image，it is an di...

plus de 4 ans il y a | 0

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Problem with colormap using imshow()
yes，sir，may be set the max value to replace，such as clc; clear all; close all; main_image = 'cameraman.tif'; % Converts image...

plus de 4 ans il y a | 0

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image splitting: what is the logic behind the following code? I need explanation.
yes，sir，it use to cut image top-left in to 4*4=16 block area，such as clc; clear all; close all; v = imread('football.jpg')...

plus de 4 ans il y a | 0

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Is there an alternative to 5x5 median filter in MATLAB?
if use self define function，may be use colfilt、nlfilter to get block process，such as clc; clear all; close all; im = imread(...

plus de 4 ans il y a | 0

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How to find the mean color value of superpixels (over-segmentation) for 3D label image ?
yes,sir，may be use for loop to split 3D image as 2D image list，and use mean2 on every image，finally rerange to 3D result output

plus de 4 ans il y a | 0

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Classify photos based on their labels
yes,sir,may be upload full_df.xlsx now,i thinke filename is numberic vector, so current_filename=strrep(filename{idx}, char(...

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How do I save a series of Output images in a folder (that is inside a for loop)?
for i = 1:251 imshow(img) hold on plot([xLeftY, xRightY], [yLeftY, yRightY], 'LineWidth',5,'Color','Yellow'); ...

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I am getting the error in loading the Yolov4 model in matlab 2021a . i am using the load function to load the yolov4.mat file but still it gives the warnings .
yes，sir，may be use addpath('src'); to config toolbox

plus de 4 ans il y a | 0

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horizontal spectrogram subdivision of a wav file
yes，sir，may be use voicebox to split the audio，such as https://github.com/7yen/voicebox/blob/master/enframe.m

plus de 4 ans il y a | 0

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imwrite problem value changes
yes，sir，may be use some parameter in imwrite，such as clc clear all close all a=rgb2gray(imread('football.jpg')); size(a) im...

plus de 4 ans il y a | 0

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How to segment image with location wanted.
yes，sir，may be uload ArifSyazwan.dcm to do some analysis，such as clc clear all [spect map]=dicomread('ArifSyazwan.dcm'); i...

plus de 4 ans il y a | 0

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Number of observations in X and Y disagree. For convolution neural network
yes，sir，may be upload generated_data.mat to make some analysis

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face mask deep learning label display
yes，sir，may be the consuming time too much，may be use face-api.js to get the faster application，such as https://github.com/just...

plus de 4 ans il y a | 0

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How is it possible to separate features and target (both numerical values) in a tabular text datastore for input in Matlab's Deep Network Design module?
yes，sir，use Deep Network Design can get model structure and export it to script，may be export and modify it in code

plus de 4 ans il y a | 0

Réponse apportée
Multi input multi output for regression problem in deep learning
yes，sir，may be use cell to range data，make it to multi input (images) ，use one-hot to range label，make it to multi output (digit...

plus de 4 ans il y a | 0

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An m-by-n-by-1 image cannot be used as input image in the Fully Convolutional Network FCN ?
yes，sir，may be change the data load，such as imageSize = [256 256 3]; augimds = augmentedImageDatastore(imageSize,dstrain,'Colo...

plus de 4 ans il y a | 0

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How to coloured outline the region I want?
yes，sir，may be use some image enhancement to adjust the image

plus de 4 ans il y a | 0

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Filling a region of a grayscale image with a colour corresponding to colorbar
yes，sir，use Image Analyst method，can get % Demo to have the user freehand draw an irregular shape over a gray scale image. % ...

plus de 4 ans il y a | 0

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How can I quantify blobs in multiple images at once?
yes，sir，may be provide the filename information，such as clc; clear all; close all; % handle multiple images (78) at once Meas...

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How to add filter just foreground and another filter to background?
clc; clear all; close all; I=imread('rice.png'); A=stdfilt(I); T=1; % G1 is foreground, G2 is background %% for i=1:16 ...

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how do I find the smallest object in a binary coins image ?
clc; clear all; close all; im=imread('https://www.mathworks.com/matlabcentral/answers/uploaded_files/826480/image.png'); bw=im...

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