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yanqi liu


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Last seen: 7 mois il y a |  Actif depuis 2021

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Réponse apportée
read medical images (mhd and raw format)
yes，sir，may use some toolbox，such as https://github.com/mattgibb/segmentation/blob/master/matlab/read_mri_data.m https://www.f...

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
How can I read a 12 digit code in a grayscale image?
yes，sir，may be use YOLO to detect and classify，add some cnn process to classify the region image if possible，can just use ctc n...

plus de 2 ans il y a | 0

Réponse apportée
Error using ./ in train faster RCNN
yes，sir，may be make image size to same，such as augmentedImageDatastore make image to 227*227

plus de 2 ans il y a | 0

Réponse apportée
Deep learning toolbox keeps disappearing
yes，sir，may be use type=classify(net.Faridtypeclassifier,mat2gray(X));

plus de 2 ans il y a | 0

Réponse apportée
how to open nrrd format using matlab
yes，sir，may be just modify the function，such as g = nrrdread('Segmentation.nrrd'); figure; imshow(g(:,:,100), [])

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
Remove centroid locations of objects that are too close
yes，sir，may be use pdist2， such as xf = rand(1, 10); yf = rand(1, 10); %using a loop M=[]; for j=1:length(xf) for i=1:...

plus de 2 ans il y a | 1

Réponse apportée
Why lost original file?
yes, sir, if you save the net to mat file，may be use save file.mat variable, such as save the cnn_model save a.mat cnn_model t...

plus de 2 ans il y a | 0

Réponse apportée
Exporting the ground truth file in Image labeler isn't working as expected.
yes，sir，may be use save data.mat or save data.mat DataSource LabelDefinitions LabelData wait it done,and then check the data...

plus de 2 ans il y a | 0

Réponse apportée
How to 'aggregate' a stack of images (picture 1) in matlab as in attached picture 2
yes，sir，may be use eval and for loop to make the structer，such as for i = 1:10 figure(i); imshow(eval(sprintf('df.x%d...

plus de 2 ans il y a | 0

Réponse apportée
creating a negative class in resnet50 classification model
yes，sir，may be use the score，if score is smaller，such as < 0.1，then make the image as Nan class，and save them to analysis.

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
Selecting multiple ROI in images for processing
yes，sir，may be use roipoly to make shape，such as im = imread('cameraman.tif'); figure; imshow(im); hold on; pts = []; while ...

plus de 2 ans il y a | 0

Réponse apportée
Using a cell array as input for a for loop
yes，sir，may be check the file，such as for i = 1 : length(uni_path_list) files = spm_select('List', uni_path_list{i}); ...

plus de 2 ans il y a | 0

Réponse apportée
How to read image character with OCR?
yes，sir，may be vd=find(comp==max(comp)) to find what vd is？ is the vd in range

plus de 2 ans il y a | 0

Réponse apportée
Extracting max intensity coordinates from image sequence
yes，sir，may be use some index to transfer，such as im = imread('rice.png'); [max_p, ~] = max(im(:)); disp(max_p) ind = find(i...

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
Extract horizontal and vertical lines from raster image
yes，sir，may be use open and close operation，such as load Iraster.mat bw = im2bw(Iraster); bw2 = imclose(bw, strel('line', 1e2...

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
How to fix Image tearing in video ? Why it Happen ?
yes，sir，may be use imresize to make image to smaller，or just use subplot(1,1,1); such as >> im = imread('football.jpg'); >>...

plus de 2 ans il y a | 0

Réponse apportée
How can I reject an image when the given template is not being matched (depending on any threshold value)?
yes，sir，may be set some thresh to make accept or reject rules，such as % Demo to use normxcorr2 to find a template (a white onio...

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
How to store sequence of images generated from MATLAB online in a Folder
yes，sir，may be check the folder，such as fb = cwtfilterbank('Signallength',length(x),'Wavelet', 'amor'); colormap = jet(128); ...

plus de 2 ans il y a | 1

Réponse apportée
how to count leaves?
yes，sir，what is leaves，is it the bigger area，may be use image segment，such as im = imread('https://www.mathworks.com/matlabcent...

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
Display same slice across all 3d images in the same folder
yes，sir，may be use for loop to get image list，and use data(:,:,12) to get the 12th slice

plus de 2 ans il y a | 0

Réponse apportée
Hello! I have an aspheric lens and I need to know the parameters of this lens, for that I need to know the surface's equation, can I use MATLAB to know the lens coordinates?
yes，sir，may be use image segment to get the edge，and then use fit_ellipse to get the parameters，such as im = imread('https://ww...

plus de 2 ans il y a | 0

| A accepté

Réponse apportée
can someone help me edit the code below so that the output image can display the value of rotation angle of the object with axis guide
yes，sir，may be use minboundrect to get the rect area，such as

plus de 2 ans il y a | 0

Réponse apportée
Apply semanticseg to multiple images
yes，sir，may be make images to image dataset or just to 4-D format，such as >> size(I3) ans = 720 960 3 2 >...

plus de 2 ans il y a | 0

Réponse apportée
Hi all, how to create image datasets. I need them to train neural networks. I have about 15 to 20 images and I need to turn these images into an image dataset. Please.
yes，sir，may be use cnn transfer to train model，such as unzip('MerchData.zip'); % use image folder to get dataset imds = imag...

plus de 2 ans il y a | 0

Réponse apportée
Training my YOLOv2 object detector failed
yes，sir，may be use yolo v3、v4 to test，such as https://ww2.mathworks.cn/matlabcentral/fileexchange/72520-yolov3-yolov4-matlab

plus de 2 ans il y a | 0

Réponse apportée
How to save an image which only display properly using imshow(grayImg,[])?
yes，sir，may be use imwrite(mat2gray(grayImg),outputFileName); and， then to check the file

plus de 2 ans il y a | 0

Réponse apportée
how can i Find a midline using two lines
yes，sir，which is the center line，is it like this？ may be check https://ww2.mathworks.cn/matlabcentral/answers/1712640-how-...

plus de 2 ans il y a | 0

Réponse apportée
How to create a centerline between lines in image?
yes，sir，which is the target line，may be check this https://ww2.mathworks.cn/matlabcentral/answers/1712640-how-to-create-centerl...

plus de 2 ans il y a | 0

Réponse apportée
I am getting error in this imread statement. I don't know where it's wrong, please help, thanks
yes，sir，may be make some parameters to the function，such as re = img2coe3('./1.png', imread('football.jpg'));

plus de 2 ans il y a | 0

Réponse apportée
How to rotate an image in Matlab
yes，sir，may be rot90，such as im = imread('football.jpg'); for i = 1 : 4 im = rot90(im, 1); figure; imshow(im, []); ...

plus de 2 ans il y a | 0

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