Not enough input arguments.

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THIS ERROR APPEARS : Error using Quant_gray (line 3) --> if I(i,j)~= fmax; %I(i,j) not equal to fmax Not enough input arguments.

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Image Analyst 2022-3-23

What does this say

>> which -all I

oumi k 2022-3-23

I think the problem was with running the function script instead of the main script itself

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Answer 1

yanqi liu 2022-3-24

在 MATLAB Online 中打开

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clc; clear all; close all;

I=imread('football.jpg');

if ndims(I)==3

I = rgb2gray(I);

end

imshow(I);

N=16; %niveau de quantification change to 4,8,16...128

[L,W]= size(I);

fmin=min(min(I)); % for 2D matrix of data (vector utilisation)

fmax=max(max(I));

q=(fmax-fmin)/N; % pas de quantification

for i=1:L

for j=1:W

[quant]=Quant_gray(I,N,q,fmax,fmin,i,j);

I(i,j)=quant;

end

% figure; imshow(I, []);

function [quant] = Quant_gray( I,N,q,fmax,fmin,i,j )

if I(i,j)~= fmax %I(i,j) not equal to fmax

quant= [I(i,j)*(fmax-fmin)/q]/N-1;

quant= floor(quant);

else

quant=N-1; % I(i,j)=fmax

end

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oumi k 2022-3-24

Thank you for your answer. The problem was that I was running the function alone from the function script instead of the main script page itself.

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