3

img=imread('matches.png');
mask=imread('matchMask.png');
[lin col]=size(img);
nimg=zeros(lin, col, 3);
inc=50;
aux=img; %inc
aux(mask==0)=aux(mask==0)+inc;
nimg(:,:,1)=aux;
nimg(:,:,2)=aux; %inc
aux(mask==0)=aux(mask==0)+inc;
nimg(:,:,3)=aux; %2*inc
nimg=uint8(nimg);