Questions tagged [pset4filter]

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Pset4 edges only filters middle pixel

:) edges correctly filters middle pixel :( edges correctly filters pixel on edge expected "213 228 255\n", not "213 228 140\n" :( edges correctly filters pixel in corner expected &...
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1 answer
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CS50 Filter-Less Reflect Function

I've been racking my brain about this problem for what should be a pretty simple issue. No matter what I've tried, I haven't been able to get an output image that is flipped - just one that is an ...
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2 answers
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My version of blur doesn't seem to work according to auto grader, but is seems to work for the sample pictures

Currently I am working on filter-less more specifically the blur function. I have tested it and it works for the pictures that I try to blur. Although the auto grader is not as happy as I am. Here is ...
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1 answer
16 views

Why does make helpers return this?

Here is the error message in text: filter-less/ $ make helpers /usr/bin/ld: /lib/x86_64-linux-gnu/Scrt1.o: in function _start': (.text+0x1b): undefined reference to main' clang: error: linker command ...
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Filter-less blur. Not filtering middle pixel

I'm a bit stuck on filter-less blur, not least because my debug function seems to be broken (but thats anopther story)! Anyway rather than writing the full code for all the pixels I've checked it for ...
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1 answer
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[SOLVED]PSET-4 - Filter - Blur - blur correctly filters pixel in corner

I am getting these 3 errors on check50: blur correctly filters pixel in corner expected "70 85 95\n", not "69 192 95\n" blur correctly filters 3x3 image expected "70 ...
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1 answer
88 views

filter-less, reflection, segmentation fault, core dumped, PSET4

dear Friends of CS50X, I have been working on pset4, filter-less, reflection for several hours now. I think my code does what it is supposed to do. Also, in my solution I tried to use the concepts ...
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1 answer
23 views

Pset 4 Blur: Keep getting close yet wrong values but I can't find problems in my code

hello so I've been coding blur for a few days and have been running check50 for a while, and I keep getting results that show that the pixel values are just off by a max range of 10. It is really ...
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CS50 Blur Question. I have no idea why my get blur in the middle function does not work?

// Blur image void blur(int height, int width, RGBTRIPLE image[height][width]) { //Create a copy of image RGBTRIPLE copy [height][width]; int i, j; int redAverage, blueAverage, greenAverage; for (i = ...
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My code could not make the blur requirement. I have tried to do some debugging by printing the count at the end of a loop. Count is always 9.00

void blur(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++) { copy[i][j] =...
-1 votes
1 answer
76 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[...
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1 answer
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pset4 blur filter invalid or unsupported image format

In pset4 Filter problem when I write blur function I get Invalid or Unsopported Image Format Error. The program compiles without errors and in check50 it also works fine. This is my code. I would ...
1 vote
1 answer
34 views

PSET4 LESS BLUR function -Ending Edges problem 2nd version

New version of my previous problem here PSET4 LESS BLUR function -Ending Edges problem I know the problem is with the imitations but can't figure out what is it My code works fine but for the ending ...
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1 answer
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PSET4 LESS BLUR function -Ending Edges problem

My code works fine but for the ending edges not. I mean the right & bottom edges values. Here is my code : void blur(int height, int width, RGBTRIPLE image[height][width]) { // h = 400 w = ...
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1 answer
34 views

Not sure why code isn't working: PSet4 Filter (less) - Blur

I'm not sure why my code doesn't work for the blur section of pset4 (filter; less)? (I am aware there's a more efficient way to do this, but am interested in learning what's wrong with this specific ...
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1 answer
380 views

PSET4 filter less Blur function

I am stuck in Pset4-Filter/less the Blur function in particular. My problem is the image blurred correctly but does not pass check50. Check50 result : :( blur correctly filters middle pixel >> ...
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2 answers
245 views

Pset4 Blur (filter less) not passing check50

As title says, I am not passing check50 for blur. I am aware that my method is probably extremely tedious and not the best method, but I came up with it myself and would like to find out why it isn't ...
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1 answer
490 views

PSET4 Filter (Less) Sepia

:( sepia correctly filters simple 3x3 image expected "100 89 69\n100...", not "100 89 69\n100..." :( sepia correctly filters more complex 3x3 image expected "25 22 17\...
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1 answer
123 views

pset4 filter Invalid or Unsupported Image Format

I have an issue with the pset4 filter, I've applied grayscale filter and sepia filter and they are working already, but when I started to write a code for reflect filter and try to compile then ...
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1 answer
70 views

Pset4 Im having issues with the blur filter

Im extremely close to solve this problem, this is the result of check50 :) helpers.c exists :) filter compiles :) grayscale correctly filters single pixel with whole number average :) grayscale ...
1 vote
1 answer
135 views

Blur - I'm so close, but yet not 100%

Apologises for the long post: I wanted to be as explicit in my logic as possible The code I've written uses the following logic to box blur: Use nested for loop to access each pixel in image Check ...
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1 answer
155 views

pset4 filter (more) edge not passing check50

this is my code for Edge, and it's not passing check50. below are the errors I got. any help is appreciated. :( edges correctly filters middle pixel expected "210 150 60\n", not "28 202 ...
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1 answer
212 views

Pset4 Filter sepia error from check50

below is my code for Pset4 filter(less). the code compiles fine, but I was getting these errors from check50. really appreciate if anyone can help. thanks :( sepia correctly filters single pixel ...
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1 answer
75 views

PSet 4 Filter(less) Sepia - Why is my output image slightly red tinted?

At first, I forgot to cap the RGB values at 255 for sepia, and it resulted in white pixels being blue. But other areas were fine(proper sepia). So additionally, I added the ternary operators to check ...
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1 answer
16 views

cs50 pset4 grayfilter

Could someone explain me why there is a difference when you use float in front of image[i][j] compare to not using it. Because if I'm not mistaken, image[i][j].rgbtRed or the 2 others are already ...
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1 answer
28 views

result black or white filter edges

int superior( float value); // Detect edges void edges(int height, int width, RGBTRIPLE image[height][width]) { float red_x, green_x, blue_x, red_y ,green_y ,blue_y ; red_x = green_x = blue_x =...
0 votes
1 answer
38 views

Why is reflect filter not working Pset4?

Here is my code. I have overcomplicated it. for (int i=0;i<height -1; i++) { for (int j=0;j<width- 1;j++) { int value[3]; value[0]=image[i][j].rgbtBlue; value[1]=image[i][j]....
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2 answers
55 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 ...
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1 vote
2 answers
64 views

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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1 vote
1 answer
74 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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1 answer
43 views

Pset4 Blur filter, loop for searching surrounding pixels

I'm trying to write the part of the code where the surrounding pixels around the main pixel are searched in order to make the average and later replace the main value for the average value. I am ...
2 votes
1 answer
81 views

pset4 - filter program,can't figure out what exactly is the problem with blur!

Can't figure out what the problem with this code is. It seems to be working correctly for corners, but for nothing else. Please help! void blur(int height, int width, RGBTRIPLE image[height][width]) { ...
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1 answer
76 views

CS50 Problem Set 4 Filter (less comfortable) help

So I have been struggling to correct my code to fix the blur function of pset4 and feel that my code is correct (even if it isn't optimally efficient). Here's how I went about it: First I looped ...
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1 answer
86 views

Cs50 Sepia properly coded

I did the sepia filter for the cs50 week 4 problem "filter) and although it works, I've been wondering, is there is not a more "proper" way to write the code, that is with out repeating ...
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1 answer
55 views

Runtime error in pset4

I'm currently working on filter.c, and I'm struggling with the blur segment of it. I tried to write a code (I'm aware it's a mess of hard-code, but it's an attempt!), but I keep getting this error: ...
0 votes
1 answer
125 views

CS50 Pset4 Filter (More comfortable) Edges Function

I am trying to code CS50's Pset4 Filter (More comfortable)'s edges function, but I keep on getting a different value. This is the link to the video explaining what I am trying to do in this function, ...
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2 answers
65 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://imgur.com/a/S2MQLom The edges of the image and one third of it don't look as ...
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1 answer
164 views

pset4 filter - blur function only filters image corners

This is my second attempt at this problem, and a full rewrite; I tried once before to be as eloquent as I could, and it was just totally wrong and bizarre. So I just tried to make this one as readable ...
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1 answer
157 views

Pset 4 Filter - Blur

My blur filter produces a decent looking blurred image and passes the Check50 corner pixel case. I define the cases for the edges and the middle pixels and then manually calculate the average RGB ...
0 votes
1 answer
65 views

PSET4 Reflection Filter

I'm having trouble getting my head around the pointers needed for the reflection filter. I have got to here and can't get the syntax right. Any tips would be much appreciated. Thanks. void reflect(int ...
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1 answer
62 views

PSET 4 BLUR and 2 of REFLECT

All of reflect works except reflected a 1 x 2 and a 4 x 4 (3x3 works fine) None of blur works except for when a point is in the corner, which makes little sense. I've sluthed around other answers and ...
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1 answer
47 views

Pset4 less comfortable compile error

When I try to compile my helpers.c file the compiler shows me clang -ggdb3 -O0 -std=c11 -Wall -Werror -Wextra -Wno-sign-compare -Wno-unused-parameter -Wno-unused-variable -Wshadow helpers.c -...
1 vote
1 answer
81 views

pset4 - Green and Blue off in filter (less)

My code is here. void sepia(int height, int width, RGBTRIPLE image[height][width]) { for (int i = 0; i < height; i++) { for (int j = 0; j < width; j++) { ...
0 votes
1 answer
41 views

At my wits end on pset4 filter blur

I am stumped on this problem, more specifically, on the blur filter. I can't see anything wrong with the program, but it still errors out on check50. It seems that the middle function is correct, but ...
0 votes
1 answer
261 views

Need help with CS50's Filter (less) Blur

I'm doing CS50 and trying really hard to keep sane while I try to finish the last part of the Filter (less) exercise. I'm stuck on "Blur". I've tried to resist looking for help online ...
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1 answer
138 views

PSET4 Filter (more) Edge

I got some weird issue with my code! It compiles without any problems. All other filters work perfectly, and check50 shows no problems (no problem in edge according to check50). But, when i try edge ...
0 votes
1 answer
83 views

Is there an operator for raising in a power in C?

In PSET4 Edges Filter problem you are supposed to calculate Gx ^ 2. But the operator ^ in C does not seem to mean raising in a power. For Gx = -9 it returns Gx ^ 2 = -11 and so on. Turned out ^ is XOR ...
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1 answer
52 views

Pset4 Reflect not working on 4x4 image

I get the eror only for the 4x4 image, the others are correct. Seems like the values are swapped between each other, but I cant find a way to fix it. Something in the inner loop (I think) is swapping ...
0 votes
1 answer
242 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 ...
0 votes
1 answer
120 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/...