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

Show message after entering data
Hello Colleagues

I would like to display messages after entering the data example: "
dat

SAP Logon Failed
I tried to login to SAP through MMC.

When i click start and give password.

it

Strange array issue, never happened before.
mysql_fetch_array returns 1 array per call. Generally that's why it is inserted into a while statem

quick question about System Change Number(SCN) in FlashBack Query topic
i know tht we can get the SCN of the database using flashback concept as follows

SQL>

data type in column definition
Hi,
I create a table with column called "Direction of Travel code ".
The travel codes in t

ALV grid with 2 headers
Hi Gurus,

I need to display ALV GRID as below.

Header1

Anti Spam Code
Ok where do i start? Probably by telling you I have very little working knowledge of PHP and that I

Comparing Values
Hi
I'm reading data from a database and this seems to work OK.

Each system has an associat

Is it possible to view php source code??
Hi All

I was just wondering if it's possible to view a websites php source code?
I know

email CODING Problem
Email coding problem.

I need to send a section of the info to $tf and the same as a Cc to $em

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