All Questions
Tagged with opencv machine-learning
834
questions
-2
votes
1
answer
66
views
Trouble detecting/removing two watermarks that vary location across image dataset
I have a problem with removing watermarks from a collection of images. The watermarks appear near each other but are different (see below). One watermark is a red square and has white text inside of ...
- 9
0
votes
0
answers
29
views
Struggling to Detect and Mask Flowers in Images Using OpenCV and Adaptive Thresholding
I'm working on a project where I need to detect and mask flowers in images using OpenCV and adaptive thresholding. Despite my efforts, the results are inconsistent. Some flowers are masked well, but ...
0
votes
0
answers
29
views
Precise and robust corner detection (noisy image, dirty object)
Given a certain quality control requirement, we implemented an automated system that measures certain dimensions of a steel plate production line. The problem is sometimes the system is not as robust ...
1
vote
0
answers
44
views
Is there a better and more efficient way to identify clusters from an image?
So I have a video of moving bacterias which I have converted to images. Now I have to find the clusters of bacterias in each image. We define two neighboring bacteria as members of the
same cluster if ...
- 37
0
votes
0
answers
51
views
How to recognize different symbols in a picture with overlapping using CV/ML?
l have a picture with some information about the milestone of each project. Each milestone is marked in the diagram with unique symbol. In the picture we have different trianlges or squares with ...
- 1
0
votes
1
answer
83
views
How does use MASK R_CNN to extract exact region in image by OpenCV?
I have a medical project that want extract a special part (Conjuctiva Puplpebral)
to extract of eye image without understanding of its coordinates automatically not manually also the coordinate of ...
-2
votes
1
answer
52
views
How to use imshow() in Mobile App on Kotlin?
I decided to create a computer vision model that detect an object. It takes a real-time image from camera and show rectangles of detected objects. But I dunno how to visualize OpenCV imshow() function....
- 1
0
votes
1
answer
90
views
Center an image and adding a background at export
I want to automate all of this:
Select an object in an image
Crop my image on this object
Crop to 1:1 aspect ratio, leaving a slight gap around this object
Export my image in JPG format in 800x800px ...
- 1
0
votes
1
answer
66
views
Calculate the dimensions of a box using python and opencv
I am using Python to draw the outline of the photo of a box, and using opencv I draw lines on the outlines of the box, what I am trying to do is calculate, as is in the attached image.
Draw another ...
- 9
0
votes
0
answers
65
views
Process the image to extract handwritten text for the neural network
I want to identify the squares in the image and extract the letters written in them, but I can't get the whole letter. I only get fragments like in the images shown below.
img = cv2.imread(img_path)
...
- 9
-1
votes
1
answer
45
views
issues with displaying the name of detected faces that aren't recognized
I am trying to get real-time attendance data using OpenCV in Python but I am running into the issue of detected faces not being identified. Whenever I try to identify a specific face that I do not ...
-2
votes
1
answer
95
views
Check if the given image is a crop of another bigger image [closed]
I have some images. In that some images are cropped versions.
like here is the original image big image
and the cropped image small image.
Note that the shape(resolution) of images are not same.
I ...
1
vote
0
answers
25
views
Script Continuously Requests face_recognition_models Installation Despite Being Installed
I'm encountering an issue with a Python script that utilizes the face_recognition library. Despite having successfully installed the face_recognition_models package, the script repeatedly prompts me ...
- 35
-2
votes
1
answer
79
views
new to OpenCV, how do i install/build opencv_traincascade
So I've been working on machine learning projects, and needed to train a custom dataset using opencv_traincascade. but whenever i tried installing it, it would never work. I got other things like ...
- 1
0
votes
0
answers
121
views
Detect and extract four points of quadrilaterals in an binary image using opencv / python / any AI/ML model
I have binary segmented mask images like this
I want to detect four co-ordinates of quadrilaterals from images like this
output object = [ ( (x11,y11), (x12,y12), (x13,y13), (x14,y14) ) , # for ...