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

help with mysql_error()
Hi,

I am trying to insert data into a table, but I am not able to insert it. I wanted to see

Oracle Connectivity
Hi Every One,

Can we access SAP from oracle database.If it possible then please spec

How do I get the row number from from an sql table query
Hi all

I have a table that I query and it returns a number of rows.
mysql_num_rows($query)

Display Database
I need to create a shopping cart. I found this code online: http://conceptlogic.com/jcart/
Unfort

Preg_match question
I want to use preg_match to make sure a string is always 6 characters long and only contains 0-9 and

pointer 102 question
I read a book
1
2
3
4
5
6
7
8
9
10
11
12
int main() {

an interesting question
Greetings folks, got to ask an interesting question...

let say
i have created a function s

Syntax Help
I'm trying to make a form that edits a php file which contains config settings. I'm using strings t

Javascript using window.location seems to lose state
Not sure what forum so let me know if I'm in the wrong place. I have a main window with a ajax grid

Problem displaying "scraped" XML data
I'm basicly having trouble displaying XML data scraped from an URL using cURL.

What the code

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