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)); } }
Trending TodaySee what people are reading
No comments posted yet

Your Answer:

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

The IE or FF detector
Hello Friends,

Problem of today ( we seek for php help ) as following ,

we know all th

Help with php code
Hello, can anyone tell me why this php word trap fails to work,
and the trigger words get blow r

with clause
hi all, i have a big query that usually access the same table more than once. for example, i have s

Guixt issue
Hello all,

We are experiencing the following problem with Guixt:

Some transact

Pulling out some result data from MYSQL
Hey Guys,

I've built a PHP page that has a for just imagine something like registration form

Save cookie to DB
I'm working on a pixel tracking script for an incentive website and I need to use an ASP script to s

RadioButtonList item spacing
I have a RadioButtonList and I can't put any spacing between the items. They are arranged verticall

What is SAP Avatar ?
Hi All,

This G.Satish , my boss asked me to explore on SAP Avatar. I searced in internet

sql problems
I am having a small problem with my sql statement. it is inserting into 4 of the fields.

fie

Header redirect
Hello ive got a problem ive got form with its action set to itself.
Code: <form id="f

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



 
© indyaspeak.com. All Rights Reserved.
Play Free Quiz and Win Cash