The morphological-operations tag has no wiki summary.
3
votes
1answer
37 views
Erosion in image
I don't if I am posting my question in the correct place. I have tried hard to solved it but I am unsuccessful.
I have an structuring element shown below:
...
2
votes
1answer
39 views
Image processing: how do I erode on boundary and dilate inside boundary?
I have an image that I am trying to process:
I want two seamingly contradictory effects:
I want to remove "holes" inside "the blob". That is I want all pixels inside the blob to be solid red.
I ...
2
votes
0answers
26 views
Phong Reflection Model Parameters
Question: Can anyone refer me the Phong reflection model parameters for a face image taken for web-cam?
Details:
I am doing 3D reconstruction of 2D images using 3D Morphable Model as in this paper ...
3
votes
1answer
63 views
Grayscale morphology
Hello I've been trying to understand the grayscale dilation operation using the following example, but my results are different.
$I = \begin{pmatrix}
\bf{5} & 2 & 4 \\
1 & -3 & 1
...
2
votes
0answers
1k views
Region growing in Matlab for brain MRI segmentation
I'm doing an image processing project. The goal is to implement a segmentation technique for brain MRI using histogram thresholding and morphological operations : the method is called MBRASE, the ...
6
votes
2answers
216 views
Shape of structuring elements for morphological gradients
I am looking to understand recommended shapes of structuring elements used in calculating morphological gradients. According to Pierre Soille: Morphological Image Analysis:
Only symmetric ...
9
votes
2answers
129 views
On the de-noising of time-frequency images
I am wondering what techniques might be available for 'de-noising' the following example time-frequency image that was created using Welch's method. The following plot was created from a robotic ...
7
votes
4answers
195 views
How to: pixel packs in an image to representative point coordinates (x,y)
Let's have an image (gray-scale or even binary) as shown on the following figure at the left hand side, the goal is to generate a list of points i.e., coordinates in the form of (x,y) for each pack of ...
6
votes
1answer
242 views
How to compute 2D displacement vector for binary image registration?
My inputs are several binary images like:
They have globally the same content but may be unregistered as they are produced from a hand camera. What I would like to compute is the 2D displacement ...
13
votes
3answers
276 views
How do I reconstruct text from an image using only morphological operations?
I want to reconstruct the text from the following image as best as possible. The tricky part is that I want to do it only using morphorogical operations on the image
I tried using erosion, dilation, ...
