Questions tagged [blur]

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Cleaning up PSET4 Blur

I have successfully finished the blur effect on PSET4. Here is a small smattering of the code if(i - 1 >= 0 && j - 1 >= 0) { red += OgImage[i-1][j-1]....
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2answers
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Blur only working with middle pixel

I've been stuck in this problem for a while, and the code only works when its inputted a middle pixel. Does anyone have a clue? I've searched everywhere for this particular issue, but I have only ...
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1answer
45 views

pset4 filter - only blurs the corners correctly

i can`t get the picture blurred at all (it comes out a complete mash up of colours blended together ...) ...i' ve been trying to figure this out for months now :(( HELP! void blur(int height, int ...
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1answer
32 views

Segmentation fault in blur filter

This is my code for the blur filter in the pset 4. First I used the average for the corner pixels, then I used a loop for the average of the first and last row and columns and then a nested loop for ...
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1answer
33 views

pset4 Blur calculation does not work properly

for some reason I can't get my calculation for the blur value running. The pictures are really odd and contain crazy colors. Any ideas to why this could be the case? I compared it already to working ...
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pset4 - filter - less - blur doesn't work

// Blur image void blur(int height, int width, RGBTRIPLE image[height][width]) { //Temp array RGBTRIPLE temp[height][width]; for (int i = 0; i < height; i++) { for (int j = ...
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Pset4_ Blur: (more comfortable)Problem, I think there is a small bug, but I can't find it

I was working on my code(sorry for it being so long), then I kept getting the same error and I don't understand why :) blur correctly filters middle pixel :) blur correctly filters pixel on edge :) ...
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I keep getting the error: linker command failed with exit code 1 (use -v to see invocation) when I'm compiling my code for filter: blur in ide

I seem to get this error over and over again when i compile my code for filter: blur by typing "make helpers". I don't know if it's because of my code. This error did not appear when I ...
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1answer
17 views

Pset 4 filter blur function - only works with corner pixel

requesting help for my blur function. For each pixel, i have split it into 3 for loops. One calculating the row above, same row, and row below. In each loop , if the row is smaller than 0 or equal to ...
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1answer
29 views

How to conserve original values in blur function? (pset 4)

Here's my code inside the blur function (in pset 4, Filter-Less): int redSum; int greenSum; int blueSum; int n; for (int i = 0; i < height; i++) { for (int j = 0; j < width; j++) { ...
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1answer
32 views

pset4/filter: What is being instantiated with RGBTRIPLE(*image)[width]

I'm struggling to get my head around what is being instantiated here with (*image) (and what to do with it) in this line: RGBTRIPLE(*image)[width] = calloc(height, width * sizeof(RGBTRIPLE)); I ...
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Problem with filter (pset 4): Blur and edge

All the filters on the filter program work well, but check50 is giving me a few errors, which I think, is due to rounding issues. But, I have checked and re-checked the code for those errors, and ...
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1answer
34 views

PSET4 Filter Blur by 4 nested for loops

I am trying to implement my idea on Blur function. My main assumption is to get this done using nested 4 for loops as follow: void blur(int height, int width, RGBTRIPLE image[height][width]) { ...
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26 views

My blur function doesn't pass check50

so I modified the code from last time, and it seems that instead of making copies of the image and calculating on them, takes the first if statement and makes it the new image so all the other values ...
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26 views

Pset4 - filter Blur

I wrote following code for blur filter . But I can't get the positive result . I want to know what the mistake is . void blur(int height, int width, RGBTRIPLE image[height][width]) { ...
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Trouble with Blurring my Image Pset4… Running out of Bounds

I am trying to blur my image but I am running into trouble. First of all, the issue is that I run out of bounds - because I did not account for edges and corners here. Is there a simple fix - like ...
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1answer
55 views

CS50 PSET4 (Less) Blur Failed 3x3 & 4x4

This code won't win any style contests, however comma all Check50 test pass except the 3x3 and 4x4. I made a copy of the image, blurred original values, and copied new values to the original image at ...
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Pset4 Filter: Blur Issue

So this is my first time using Stack Exchange, I have been relying on reddit so far for cs50 however I am stuck on blur. Someone on reddit told me I have to "create a temporary container that is ...
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1answer
65 views

Help on blur function. Correct logic but wont work

So after I passed pset3, I thought things would go easier since my friend said that filter wasn't as complicated as Tideman. Now, I’m doing the blur filter part and stuck on its computation especially ...
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FILTER WORKS FINE, BUT BLUR FAILS 3x3 and 4x4

The code works fine, but it fails blur filters a 3x3 and 4x4 image. I would like a help on why it correctly blur a middle pixel, but fails those two. Apparently, the wrong pixels are either on edge (...
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26 views

How do I fix my code for PSET 4 blur?

What I tried to do was go to each pixel and see if any neighboring ones existed. If they did, I saved the neighboring pixel's colors. Then I ran a loop to add up all the values in that specific color ...
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1answer
66 views

Pset 4 filter - blur almost works but has a few errors and I just can't figure out why

I've tried changing everything I can think of, but I can't figure out why this isn't working. #include "helpers.h" #include <math.h> int cap (int x); RGBTRIPLE rowend (RGBTRIPLE x, ...
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71 views

Getting UndefinedBehaviorSanitizer on pset4 filter blur (less comfortable)

I've tried doing this problem a few ways (without success). This time, I wrote the following code: #include "helpers.h" #include <math.h> int cap (int x); RGBTRIPLE corner (RGBTRIPLE ...
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1answer
20 views

i don't know what is wrong when i run the program the output is all zeros

void blur(int height, int width, RGBTRIPLE image[height][width]) { double red_sum ; double green_sum ; double blue_sum ; double counter; RGBTRIPLE new_image[height][width]; ...
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14 views

Why does the code output incorrect amounts?

The code is here: https://pastebin.com/gKnVmPFf I've checked that it's not because of neighboring cells, because I am translating them onto a different array. I can't seem to figure out want is wrong. ...
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29 views

CS50 filter less Blur problem

I've wrote the code for filter Blur that seems to me have to work. But i don't receive right numbers. Please help me :))) void blur(int height, int width, RGBTRIPLE image[height][width]) { for (int i ...
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13 views

The image updates, yet incorrectly

Here is the link to the full code: https://pastebin.com/kFgWhfTR . The image is calculating incorrectly. I have no idea why. I know that it is not caused by one pixel updating the others.
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32 views

PSET4:Blur filter doesn't function

I have this code: // Blur image void blur(int height, int width, RGBTRIPLE image[height][width]) { RGBTRIPLE tempImage[height][width]; int sumR = 0; int sumG = 0; int sumB = 0; ...
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1answer
161 views

Help with Blur filter! The output image is not blurred, but is returned as a darker image of the input

I have been stuck on this problem for days and have tried so many ways to write this code, but I continuously get errors. Nothing works. The output file is just returned as a darker image of the input ...
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44 views

PSET4 Blur Filter, blurs images correctly but check50 fails all blur checks

Not sure what I am doing wrong, I tried casting double to the blurhelper function and check50 still says it is wrong. void blur(int height, int width, RGBTRIPLE image[height][width]) { RGBTRIPLE(*...
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1answer
45 views

What is wrong with my filter blur?

Been stuck on the blurring part for ages... I've ran out of ideas and motivation to debug at this point after spending an eternity cutting down my spaghetti codes to pappardelle. Any help/hint/...
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103 views

Pset4: Filter blur problem

I have an error helpers.c:130:27: runtime error: index -1 out of bounds for type 'RGBTRIPLE [width]' helpers.c:130:100: runtime error: index -1 out of bounds for type 'RGBTRIPLE [width]' helpers.c:...
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17 views

The blur is not updating when it should be

The suspected incorrect of my code is here: for(int i =0;i<height;i++) { for(int j = 0;j<width;j++) { image[i][j] = copy[i][j]; } } or ...
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1answer
87 views

pset4 filter blur

I have written the following code for blur . // Blur image void blur(int height, int width, RGBTRIPLE image[height][width]) { for ( int h=0 ; h<height ; h++) { for ( int w=0 ; ...
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1answer
266 views

CS50 PSET4 FILTER BLUR

Got stuck in Blur for more than a week and can´t find out what is wrong. I´ve tried many differents ways, but only corner values matches. Can anyone please give me a help about this. // Blur image ...
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1answer
60 views

Getting partial output in Blur (pset4 filter) , trying to debug edge and middle pixel

My program when run through check50 says the corner pixels work but nothing else seems to work. I have been stuck on this problem for days and after not getting any considerable reply on the cs50 ...
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1answer
61 views

pset4 Filter Issues

So for some reason neither sepia or blur is returning a picture that has been altered at all. I think this has to do with my storing values in a new RGBTRIPLE called newimage and then after all fo ...
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1answer
51 views

PSET 4 Filter / Blur : I couldn't pass a struct as an function argument what is the reasson?

in order to blur the pixels I created 3 functions. BLUR -Create a new image so old date won't corrupt - iterate over the new image -blur_color - To taking the averages of the color values -...
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1answer
190 views

PSET 4 Filter (less) - Simplification of code for blur

My programme works, it compiles well and it passes the check50 checks. However, I don't like how it looks - I feel it's very cumbersome, too full of logical conditions. I was wondering how I might ...
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1answer
157 views

PSET4 stuck on blur (filter), image doesn't change

I am currently on the blur part of the filter problem. My code is the following: void blur(int height, int width, RGBTRIPLE image[height][width]) { //Create copy for input RGBTRIPLE ...
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1answer
57 views

Filter Blur Image output is wrong

I'm not sure exactly what is wrong with my code. I don't get any runtime errors and my code compiles, but the image doesn't change at all compared with the original, and check 50 tells me I am out - ...
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1answer
124 views

Unusual errors in Blur filter

I am working on the Blur filter in pset4 and I have received some very unusual errors when trying to compile my program. The following is my code for the blur filter. As part of this, I have decided ...
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2answers
528 views

pset4 blur filter

I've been working for like a week on cs50/pset/filter/blur question, but this doesn't seem to be working. My code is like this, and the resulting "blur filtered" image is not any close to what is ...
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774 views

PSET4 filter blur issue

pset4 blur is the only filter that took me this number of lines, but I still can not figure out where the problem is // Blur image void blur(int height, int width, RGBTRIPLE image[height][width]) ...
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1answer
107 views

pset4: filter blur minimize code

instead of all if-else statements, there is another way for all conditions to minimize my code. void blur(int height, int width, RGBTRIPLE image[height][width]) { for (int i = 0; i < ...
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1answer
180 views

Why does it say that my index it -1?

I am working on blur in filter and it says my index is our if bound -1 // Create count starts and end count int sh = -1; int eh = 1; int sw = -1; int ew = 1; ...