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

How to sum these output values
Hi

I need sum the month totals
SELECT region_name, area_name ,SUM (CASE WHEN S

file_put_contents and createimagefromjpeg
All,
I do somethings and then I have the following code:
file_put_contents('./test/'.$filename

Create or replace package is ending ORA-21700
Database 9.2.0., patch 8 (9.2.0.8.0).
I trying run
create or replace package ....etc.

Share admin accross websites
I'm using .net memberships and roles in one of my sites, but I need to be able to share logins and p

How to implement HTTP connection timeout
Hi All,I would like to implement an HTTP connection timeout.

I am working on a application wh

Need to write a cookie with a url var
Not sure if its possible, but I need to write a cookie with a url.

So this would write 2232 a

add text and number image
hi guys ..

ok see i want the user to add their name and pick a number then click get it and i

mysql VARCHAR acting like INT
Hi, All.

I have a table that contains a varchar(10) column named weird_field. In this column

Legal Issues for SAP ERP o ERP in general
Hi experts,

Can someone please help me finding some documentation about legal issues tha

Whats wrong with my query?
I am trying to get this query to show the appropriate ticked vehicle roof height, unless no boxs are

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