my output value is double not logical
2 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
tsai kai shung
am 27 Okt. 2017
Kommentiert: Stephen23
am 27 Okt. 2017
clear all;
clc;
img = imread('green2.jpg');
img_gray = rgb2gray(img);
level = graythresh(img);
img_bw = im2bw(img_gray,level);
imshow(img_bw);
[L2,num2]=bwlabel(img_bw,8); %連通區域標記
B2=false(size(L2));
for i=1:num2
[r,c] = find(L2==i);
left = min(c);
right = max(c);
up = min(r);
down = max(r);
d = (down-up) / (right-left);
if d > 0.8 & d < 1
% [x,y]=find(L2==i); % Done above already
B2 = B2 + bwselect(img_bw, c, r, 8); %%%把滿足長寬比在0.8到2的區域留下
end
end
figure,imshow(B2);
why my B2 set logical but output is double value?
1 Kommentar
Akzeptierte Antwort
KSSV
am 27 Okt. 2017
Bearbeitet: KSSV
am 27 Okt. 2017
A = logical(round(rand(2))) ; % a logical class
B = rand(2) ; % a double class
C = A+B ; % operation between logical and double gives double
So in your case B2 is logical and the output from bwselect(img_bw, c, r, 8) is double....so the result is double.
Have a look on logical and double if you want any conversions.
0 Kommentare
Weitere Antworten (0)
Siehe auch
Kategorien
Mehr zu Image Processing Toolbox finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!