Question

How to measure the performance (precision and recall ) for following model and does it need to have groundTruth?
I have 3 questions for classical computer vision detection model for crack detection. I attached the original image (input ) an...

environ un an il y a | 1 réponse | 0

Question

How to create the groundTruth and evaluate the classical computer vision model for crack detection and does training models only restricted for machine and deep
If I have a model to detect cracks which can be consider as classical computer vision model, it works based on thresholding and...

environ un an il y a | 1 réponse | 0

Question

What criteria should be used to select the number of images used in image processing for detection the drawbacks of any surfaces?
What are the criteria that must be considered to select the number of images in image processing techniques to make sure the pro...

environ un an il y a | 1 réponse | 0

Question

how to apply sauvola threshold in subtracting
How to apply sauvola threshold on image 1 to get the result as shown in 2?

plus d'un an il y a | 1 réponse | 0

Question

How to find the true positive and true negative for detected pixels in the image
If I create an model to detect cracks and fthe model based on image processing , I have to evaluate the model based on the prec...

plus d'un an il y a | 1 réponse | 0

Réponse apportée
what does count pixel =0 indicates?
@Image Analyst I attached the binary image if you can check it please

plus d'un an il y a | 0

Question

what does count pixel =0 indicates?
After I applied stretching method and try to find threshold I got zero at count pixels as shown in image , what does it means an...

plus d'un an il y a | 3 réponses | 0

Question

how to to let model automatically send the output of each step to be input for next step
If I would like to apply anytype of filters at the shown place in the code to be input for next stage to find the threshold how...

plus d'un an il y a | 1 réponse | 0

Question

How count crack pixel for image process and compare it with original
How can I find the ratio of no. of crack pixels in the processed image to the no. of crack pixels in ideal image as attached

plus d'un an il y a | 1 réponse | 0

Question

how to connect the detection object
I am biggener in using matlab , i used different filter and thresholding methods but stil discountiuity in object detection as s...

plus d'un an il y a | 2 réponses | 0

Question

How to use niblack file exchange?
I am biginner in using matlab and am trying to use niblack file exchange, I downloaded successfully and access to it by matlab b...

plus d'un an il y a | 1 réponse | 0

Question

How to remove frame appear as a result of thresholding
When I use file exchange https://www.mathworks.com/matlabcentral/fileexchange/12191-bilateral-filtering it is working well but ...

plus d'un an il y a | 2 réponses | 0

Question

how can I run function in file exchange
I download this file exchange https://www.mathworks.com/matlabcentral/fileexchange/40266-sauvola-local-image-thresholding/ but...

plus d'un an il y a | 1 réponse | 0

Réponse apportée
How to measure crack width
@Image Analyst can you help me to know how to let image 1 has same gray level as 2, I tried using imadjust but not working? I ...

plus d'un an il y a | 0

Réponse apportée
How to measure crack width
@Image Analyst I used filters as you advised me before and I could determine the threshold as shown in attached image but still...

plus d'un an il y a | 0

Réponse apportée
How to measure crack width
@Image Analyst another question: To find width,if I used (bwperim) instead of (bwskel) will be more accurate?

plus d'un an il y a | 0

Réponse apportée
How to measure crack width
1-I uploaded the image that i got warning function of triangle thresholding 2-The other thing I noticed , that if i used automa...

plus d'un an il y a | 0

Question

How to measure crack width
I noticed that when I reduced the minimum acceptable area the crack width decreased although the appearance of blobs in this si...

plus d'un an il y a | 2 réponses | 0

Question

how to connect lines instead of discountinuity
clc; % Clear the command window. close all; % Close all figures (except those of imtool.) clear; % Erase all existing var...

plus d'un an il y a | 1 réponse | 0

Réponse apportée
Concrete Crack Width Measurement
clc; % Clear the command window. close all; % Close all figures (except those of imtool.) clear; % Erase all existing var...

plus d'un an il y a | 0