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

PHP referral database. I would like this form to email the referrer.
Okay, Hello I've been trolling for years. This the first time I've ever asked for php help. Normally

MySQL Primary key gap
Alright, so I have a table with 26 entries in it (id, filename, caption) for my image randomiser (ht

PHP using IF to display error
i have a MySQL query and i want to display 1 thing only if the number of affected rows is >=1

modifying a property of an object from a different class
I have 2 classes:
- Math
- Distance

in my math class, I have this line:
$distance =

Website Direction...
I recently used this code to try and make it so the page loads as http://www.domain.com/ when you ty

Help with looping
I have a comma separated list of colors taken from a database ($ICo) and a directory of images named

cURL and Sessions
Ohai.

So, I'm trying to cURL a bunch of things off of a page, and put them into a session. I'

Calculating a rating by adding number of points and dividing by number of items
I have a site that users can post links to files to download. They can rate these files on a 1-5 sca

Email "$"
Hello!!

Any PHP guy with a bit of a knowledge in Flash ?

When I send a JPEG from flash

unexpected T_ENCAPSED_AND_WHITESPACE, expecting T_STRING or T_VARIABLE or T_NUM_
Can anyone view my code and tell me why im getting the error:
Parse error: syntax error, unexpect

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