Skip to main content

Questions tagged [edges]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1 vote
1 answer
15 views

Filter-more edge blue channel

When I run check 50 I get the red green channels correct but no matter what I do the blue channel comes out with seemingly random values what am I missing here? void edges(int height, int width, ...
Tiler99uu's user avatar
-1 votes
1 answer
72 views

CS50 Pset 4 edges: Why do I keep getting segmentation fault?

Please help me figure out what's wrong! I've been doing this pset for so long now, and I feel like everthing should work, But I just get a seg fault! The code looks like... void edges(int height, int ...
Harr's user avatar
  • 35
0 votes
0 answers
41 views

pset4 filter/more edge

My code compiles and run okay I does everything but when checking with check50 It shows error My code is : #include "helpers.h" #include <math.h> // Make a copy of array void ...
Rex Kartik's user avatar
0 votes
0 answers
19 views

Pset 04 Edges FIlter. I don't know whats wrong with the code

I've been trying to implement the function edges with an auxiliary one, determineEdges. It compiles, but generates, probably by an error, a black image. I'm having trouble to figure out what is the ...
Alex's user avatar
  • 1
0 votes
1 answer
32 views

Problem with Edges Pset4

I've been at this Pset for a while now, I've got everything down except for Edges, and if I'm understanding correctly, every single value is coming out correctly except for the values for blue are 99% ...
Mohamed Amr's user avatar
0 votes
1 answer
57 views

Segfault while declaring 2d array in filter-more's edges function. Probably a lack of memory?

At the very start of the edges function i try to declare an array to hold the image with black borders (now the first comment), but as i've discovered using printfs, it causes a segfault. I searched ...
Decowry's user avatar
0 votes
1 answer
106 views

pset4 filter-more All functions work when I test it but check50 gives error

I struggled a long time with this problem, and I saw other people had almost the same question and got answers but I didn't get to solve the problem. All four functions seems to work but when I test ...
Jareg's user avatar
  • 3
0 votes
1 answer
12 views

Do computers have to check if (false) the same way as whether (0 != 0), etc.?

I found Edges to be a double-edged assignment. As I were to have the machine iterate over thousands of pixels to make computations, I figured I should try to minimise the amount of operations per ...
VMČ's user avatar
  • 3
-1 votes
1 answer
169 views

PSET4 - Filter(more)- Edges- Check50 error

#include"helpers.h" #include <math.h> int check_cap(int num); void edges(int height, int width, RGBTRIPLE image[height][width]) { RGBTRIPLE image_copy[...
BadboyNicholai's user avatar
1 vote
1 answer
73 views

CS50 - PSET 4 - Filter - Edges

//Pixel buffer RGBTRIPLE pixelBuffer[height][width]; //Iterates on every pixel and calculates Gx and Gy for (int i = 0; i < height; i++) { for (int j = 0; j < width; j++)...
Sakamoto Alderson's user avatar
0 votes
1 answer
42 views

filter more comfortable pset4 edges

this is my attempt on cs50 more comfortable pset4 edges part I cannot find my mistake. I get a mostly white image with some repeating noise as output. I have tried simplifying more complex expressions ...
NIKOLAOS ILIOPOULOS's user avatar
0 votes
1 answer
144 views

I don't know what I'm doing wrong Pset4 filter "edges"

I can't get edges to work I would really like some hints to what's wrong with my code. // Detect edges void edges(int height, int width, RGBTRIPLE image[height][width]) { //copying original image ...
John Doe's user avatar
1 vote
1 answer
381 views

PSET4 — Filter (more) — Edges Error

I'm currently working through the filter problem, and I'm not sure why it's not working on the pixels on the edge (it also seems to only be incorrect on the B value in RGB). This is the message I'm ...
Seamus McGill's user avatar
0 votes
1 answer
45 views

Some values in my 'edges' don't pass check50

the rightmost values in the matrix in check50 is wrong but the other values are correct. I'm not really sure what's wrong. code: void edges(int height, int width, RGBTRIPLE image[height][width]) { ...
Gloria Isedu's user avatar
0 votes
2 answers
64 views

edges completely fails check50

So I finished my edges function and it's failing everything for check50 and I can't understand what I did wrong. Any help would be greatly appreciated. Functions related to edges: // Sets new RGB ...
Newbie's user avatar
  • 1
1 vote
1 answer
43 views

Pset4 - Filter (more) Edge Detection Help

I'm testing my Gy function separately, and it looks like the values I put in the test array are not correctly showing up in the function. I printf() the main function and they are recording correctly, ...
Rachel Pospíšil's user avatar
0 votes
1 answer
175 views

pset4 Filter (more) Edge Detection help

void edges(int height, int width, RGBTRIPLE image[height][width]) { RGBTRIPLE copy[height][width]; for (int i = 0; i < height; i++) { for (int j = 0; j < width; j++) {...
starbvuks's user avatar
0 votes
2 answers
67 views

Help with pset4 filter edge detection function

I have some problems with the edges function. The code compiles fine and all but the result looks like this: https://i.sstatic.net/saEBo.jpg The edges of the image and one third of it don't look as ...
4RZG4's user avatar
  • 1
0 votes
1 answer
87 views

CS50 - edge filter pset4

I'm working on the edge filter in pset4 in CS50. The code compiles but when checking the code with check50 I get multiple errors. Looking closer at the output of the error check the first row and last ...
Oskar Olsson's user avatar
0 votes
1 answer
232 views

cs50 pset4 edge filter too much white

Hey guys i have been trying to figure out the problem with my code of the pset4 filter (more) about edge detection. My code compiles but the result image is strange, with a lot of bright/white and ...
QZhang's user avatar
  • 3
0 votes
1 answer
423 views

PSET 4 - Filter: Anyone able to help me on Edges?

I'm having a lot of trouble figuring out how my code for edges is failing so badly every time. Any help on this would be greatly appreciated! Here is what I'm getting back from check50: :( edges ...
JoshGrant5's user avatar
0 votes
2 answers
261 views

Q: PSETt#4 - Filter (more) - Edges

I'm stuck with the problem pset4 edges. The checks for the middle pixels work. But not the corner's pixels. :( edges correctly filters pixel in corner expected "76 117 255\n", not "76 117 66\n" It ...
Riko's user avatar
  • 1
0 votes
1 answer
86 views

CS50 PSET4 Edge calculates correct values on all tests unless the correct value is 255

I am having problems with CS50 PSet 4 - Edge. The method passes the middle pixel test (which has no value of 255 on any channel) but on any other test all the values in each channel are correct ...
Thomas Sullivan's user avatar
0 votes
1 answer
81 views

Edge detection produces weird outputs

I've been stuck on this for the past while and I'm not sure what's wrong in my algorithm. I get complete nonsense for outputs and I'm kind of lost on where to go from here. Any help would be ...
Andy D's user avatar
  • 1
0 votes
1 answer
225 views

PSET #4 - Filter (more) - Edge

I've been trying to finished filter(more) all this morning, but I'm stuck with this code, I don't know why is incorrect, withcheck50 outputs in red: :( edges correctly filters middle pixel ...
CxrlosKenobi's user avatar
0 votes
1 answer
160 views

PSet4 - Filter (more) - Edge

maybe one of you can help me out. The following code compiles and runs without any complaint, but the results are not the expected ones. Somehow the image-edge will be detected, but the new values ...
ALL's user avatar
  • 78
0 votes
1 answer
106 views

I don't understand what's wrong with my Edge filter. Pset4

There are lots of runtime errors and overflowed integers with my code, and I have no idea why that is the case. Please could you check it out? void edges(int height, int width, RGBTRIPLE image[height]...
Kloner67's user avatar
0 votes
2 answers
721 views

Pset4 , edge , I dont understand what is wrong ,

It seems it is finding edges, When I run check50 it is giving me the errors below : :) edges correctly filters middle pixel Log testing with sample 3x3 image first row: (0, 10, 25), (0, 10, 30), (...
Ali Uyanık's user avatar
0 votes
2 answers
1k views

PSET4 (More Comfortable) Filter Edges

I am trying to code Pset4 (more comfortable) edges, the program is running, but my outcome is completely white. Any Suggestions? Here's My Code.... void edges(int height, int width, RGBTRIPLE image[...
Paarth Rawat's user avatar
1 vote
1 answer
531 views

Pset4 Filter Edge Dedection

my code is running well on a dedicated hardcoded version of check50 edges middle pixel, but as soon as I use it for the check50 it gives an error. Debug50 did calculate exactly what it should have ...
Graefetyp's user avatar
0 votes
1 answer
565 views

To those who struggle with pset4’s filter-more’s edge detection filter

I’m sure it is obvious for some people, but it wasn’t for me) If your code isn’t working the way it should, you can create new .c file and put there your logic from edge detection function. You can ...
krayevska's user avatar
2 votes
2 answers
6k views

Pset4 filter edges issue

I'm trying to figure why my code doesn't work for detecting edges. Even though it produces a result, it is too white. Any suggestions? // Detect edges void edges(int height, int width, RGBTRIPLE ...
Marianna's user avatar
1 vote
1 answer
1k views

PSET4 Filter, edge detection process only works for square-like pictures. How to make it work for the whole picture?

I have written my code based on how I structured the code for the blur filter. For some reason the result is pretty weird, the processing of edge detection is only taking place in a square. See ...
Juan Carlos Marcos Prieto's user avatar
0 votes
1 answer
528 views

pset4: edges have correct 3 out of 5

the corner check correct and the edges check correct and middle pixel check correct but the whole image wrong why ????? void edges(int height, int width, RGBTRIPLE image[height][width]) { int ...
Mahmoud Mohamed's user avatar