Questions tagged [filter-less]
The filter-less tag has no usage guidance.
18
questions
0
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1
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14
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 ...
0
votes
1
answer
16
views
Why is my array code not working in case of pset4, filter's reflect function?
The purpose of reflect is to invert the array of pixels from right to left. So, I decided to create an array and store the data with a negative count loop. Then repopulate the array with a positive ...
- 119
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1
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38
views
Pset4 (Filter-Less) Reflection: Not getting correct values on Check50
Image seems to be reflected correctly but the program doesn't pass check50.
Code:
void swap(RGBTRIPLE *a, RGBTRIPLE *b);
void reflect(int height, int width, RGBTRIPLE image[height][width])
{
for (...
- 101
0
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1
answer
19
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Pset4 (Filter-Less) Greyscale not passing check50
I tried implementing the GreyScale function but I didn't got the average values of the pixels correctly. I don't know what I'm doing wrong. Any hints will be appreciated.
My code:
void grayscale(int ...
- 101
0
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1
answer
54
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Blur in cs50 problem set 4
My code for the blur filter works fine to edge, corner and middle pixels, but it doesnt work right for a whole 3x3 or 4x4 picture i've been trying everything but nothing seems to fix it.
This is what ...
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0
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19
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Pset4 Blur. Only the most right column and botton row of pixel is wrong
I'm ultra stock right now. I know its probably something stupid but i can't figure out why only the value of the bottom row and right column are not working as intended. I've been staring at this code ...
1
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1
answer
29
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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
287
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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 >> ...
0
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1
answer
20
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Pset4 (Less). Filter sepia. In the output image, the white parts are magenta
For some reason, the image attached below is the output I get with Sepia filter. I don't know where the code is wrong.
void sepia(int height, int width, RGBTRIPLE image[height][width])
{
int k = 0;...
- 111
0
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2
answers
172
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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
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27
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Help to finish my problem - Check50 - Pset4 - Filter Less
I am coding the sepia filter, it is already working, but it does not pass the check50. I think of according to the check50 report, that there is some problem of precision in the calculations, but I ...
0
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1
answer
94
views
pset4 - filter(less) - sepia not working
void sepia(int height, int width, RGBTRIPLE image[height][width])
{
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
float redS = .393 * (...
0
votes
1
answer
56
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 ...
0
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1
answer
41
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++)
{
...
- 1
0
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1
answer
80
views
My helpers doesn't pass check50
my helpers doesn't pass check50 and I don't know why. This is the code:
#include "helpers.h"
#include <math.h>
// Convert image to grayscale
void grayscale(int height, int width, ...
- 31
1
vote
1
answer
56
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Pset4 Filter Less Blur Runtime Error
Below is my Blur function, which does actually work, yet still returns 9 runtime errors all relating to the right hand side of the image (or the width-value edge).
I added a couple of printfs to check ...
- 15
0
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1
answer
63
views
PSET4: filter(less) sepia limit to 8 bits
I'm working on pset4 filter(less) and have a question regarding limiting the RGB value to 8 bits. I'd like to know what happens when a value of more than 8 bits is stored in BYTE (uint8_t). Initially, ...
- 3
0
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1
answer
22
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];
...
- 1