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yanqi liu


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Last seen: 8 Monate vor |  Aktiv seit 2021

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Beantwortet
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...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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...

mehr als 2 Jahre vor | 0

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

mehr als 2 Jahre vor | 0

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

mehr als 2 Jahre vor | 0

Beantwortet
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), [])

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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:...

mehr als 2 Jahre vor | 1

Beantwortet
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...

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 0

Beantwortet
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.

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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 ...

mehr als 2 Jahre vor | 0

Beantwortet
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}); ...

mehr als 2 Jahre vor | 0

Beantwortet
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

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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'); >>...

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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); ...

mehr als 2 Jahre vor | 1

Beantwortet
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...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 0

| akzeptiert

Beantwortet
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

mehr als 2 Jahre vor | 0

Beantwortet
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 >...

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 0

Beantwortet
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

mehr als 2 Jahre vor | 0

Beantwortet
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

mehr als 2 Jahre vor | 0

Beantwortet
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-...

mehr als 2 Jahre vor | 0

Beantwortet
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...

mehr als 2 Jahre vor | 0

Beantwortet
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'));

mehr als 2 Jahre vor | 0

Beantwortet
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, []); ...

mehr als 2 Jahre vor | 0

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