writing my own sobel filter convolution - something is wrong


Posted on 16th Feb 2014 07:03 pm by admin

I am trying to keep it very simple, I cant see anything wrong with my logic, could anybody help point me to the right direction?!!


Did you know?Explore Trending and Topic pages for more stories like this.
Code: { int Shorizontal[] = {-1, 0, 1, -2, 0, 2, -1, 0, 1}; int Svertical[] = {1, 2, 1, 0, 0, 0, -1, -2, -1}; for (int x = 0; x < image.dimx(); x++) for (int y = 0; y < image.dimy(); y++) for (int c = 0; c < 3; c++) // loop through colour channels { int counter = 0; float tempH = 0; float tempV = 0; for (int a = -1; a <= 1; a++) for (int b = -1; b <= 1; b++) if (x + a >= 0 && x + a <= image.dimx() && y + b >= 0 && y + b <= image.dimy()) { tempH += image(x + a,y + b,0, c) * Shorizontal[counter]; tempV += image(x + a,y + b,0, c) * Svertical[counter]; counter++; } image(x,y,0,c) = sqrt(pow(tempH,2) + pow(tempV,2)); } }
No comments posted yet

Your Answer:

Login to answer
291 Like 22 Dislike
Previous forums Next forums
Other forums

Am i doing this wrong?
Im pulling from an Oracle database some info... one of which is a field count_pnums which is a NUMBE

Oracle Text CTX_DOC.snippet slow
I have a table (FILE_TABLE) that contains a blob column (ft_file) and I have created the following O

Problem with php's rename function
So, i'm having a problem with the php rename function. Basically my script 'delete_user.php' attempt

How to store checkbox array in a session, and then be able to add to it?
I'm trying to store an array of checkbox values into a session array, sort of like a shopping cart,

Help With editting and deleting form
Hallo !!

So look at this image :

http://img194.imageshack.us/img194/8272/snapshot5f.pn

Sharing PHP Sessions Across Domains
I am in the process of writing a script to share a php session across various domains I have.
The

b+ tree
Hi
can every body help me about b+ tree ?(insert & delete)

Check if another session of the page is running?
I want to keep people from opening multiple tabs, or sessions of my Facebook app. Is it possible to

Add User script "Could not execute query"
This should be an easy script but I can't get it to run. Can someone please help me?

<

single values into sql field
i have a form which i want the user to able to select multiple answers. But i want the answers to be

Sign up to write
Sign up now if you have flare of writing..
Login   |   Register
Follow Us
Indyaspeak @ Facebook Indyaspeak @ Twitter Indyaspeak @ Pinterest RSS



Play Free Quiz and Win Cash