Questions tagged [pset4blur]

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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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30 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 ...
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12 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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1answer
62 views

pset4 filters: thinking behind blur

Need some help with blur. I think i'm getting it entirely wrong but i can't seem to understand why. None of the blur assessment are correct at all. Wonder if anyone can give me any tips on getting the ...
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1answer
30 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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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
22 views

Pset4-Blur function edge value issue

The edge value of blue is getting increased by 3, can someone help me Expected Output: 80 95 105 Actual Output: 80 98 105 // Blur image void blur(int height, int width, RGBTRIPLE image[...
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1answer
50 views

CS50 Blur Problems

:) blur correctly filters middle pixel :) blur correctly filters pixel on edge :) blur correctly filters pixel in corner :( blur correctly filters 3x3 image expected "70 85 95\n80 9...", not "...
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1answer
108 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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35 views

cs50 pset4 ffilter reflection and blur stuck

I can't get up with a way to implement the code for reflect and blur particularly how to swap pixles in reflection, i tried use temp array as in lecture 4 but i couldn't, and in blur i could not get ...
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2answers
19 views

Blur function doesn't work properly in 3x3 and 4x4 case

I think it's happened during neighbors cell check. I adapt the code from Java stackoverflow. The first two pixels got the rest void blur(int height, int width, RGBTRIPLE image[height][width]) { //...
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2answers
1k views

PSET4 Filter: Blur help

While trying to create an algorithm to come up with the average of the color for all nine pixels (if using 9) I realized I would need a way to see how many surrounding pixels are used in the ...
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83 views

Blur error in CS50 problem set 4 — filter_less

I have been trying to figure out the error for hours long and still no success, it'll mean a lot to me if someone can tell me what is the error in this code in order to apply a blur filter. I ...