my faceDetector = vision.CascadeObjectDetector does not work
2 views (last 30 days)
Show older comments
I have MATLAB R2015a and the command faceDetector = vision.CascadeObjectDetector(); does not work in it. I do have the computer vision toolbox. The error display says Undefined variable "vision" or class "vision.CascadeObjectDetector".
2 Comments
John Wick
on 6 Jul 2023
function Lung_Cancer(path) subplot(4,2,1); imshow(path); title("Step:1 Original Image"); img=rgb2gray(imread(path)); subplot(4,2,2); imshow(img); title("Step:2 Gray Image"); J=medfilt3(img); subplot(4,2,3); imshow(J); title("Step:3 Median Filter"); K = imadjust(J,[],[],2.5); subplot(4,2,4); imshow(K); title("Step:4 Contrast Adjust"); level = graythresh(K); BW = imbinarize(K,level); subplot(4,2,5); imshow(BW); title("Step:5 Binary Image"); SE = strel('disk',7); BW2 = imopen(BW, SE); subplot(4,2,6); imshow(BW2); title("Step:6 Opening Operation"); BW3 = imclearborder(BW2); subplot(4,2,7); imshow(BW3); title("Step:7 Clearing Border"); BW3 = imfill(BW3,"holes"); subplot(4,2,8); imshow(BW3); title("Step:8 Holes Filling"); props=regionprops(BW3, 'Area', 'Perimeter', 'Eccentricity'); disp("Area: "+props.Area); disp("Perimeter: "+props.Perimeter); disp("Eccentricity: "+props.Eccentricity);
John Wick
on 6 Jul 2023
image = imread('jump.jpg'); [height, width, planes] = size(image); rgb = reshape(image, height, width * planes); imagesc(rgb); r = image(:, :, 1); g = image(:, :, 2); b = image(:, :, 3); threshold = 100; imagesc(b < threshold); blueness = double(b) - max(double(r), double(g)); imagesc(blueness); mask = blueness < 20; imagesc(mask); labels = bwlabel(mask); id = labels(200, 200); man = (labels == id); imagesc(man); imshow(man);
Answers (2)
Sean de Wolski
on 21 Sep 2015
Do you have the Computer Vision System Toolbox installed?
ver
0 Comments
Dima Lisin
on 21 Sep 2015
Edited: Dima Lisin
on 21 Sep 2015
If you type
>> ver
Do you see Computer Vision System Toolbox among the installed products?
2 Comments
John Wick
on 6 Jul 2023
I = imread('C:\Users\19b-099-cs\Desktop\pic.png'); imshow(I); >> Igray = rgb2gray(I); imshow(Igray); >> Ibw = im2bw(Igray,graythresh(Igray)); imshow(Ibw); >> Iedge = edge(uint8(Ibw)); imshow(Iedge); >> se = strel('square',2); Iedge2 = imdilate(Iedge, se); >> imshow(Iedge2); >> Ifill= imfill(Iedge2,'holes'); imshow(Ifill); >> [Ilabel, num] = bwlabel(Ifill); disp(num); Iprops = regionprops(Ilabel); Ibox = [Iprops.BoundingBox]; Ibox = reshape(Ibox,[4 50]); imshow(I) 50 >> hold on; for cnt = 1:50 rectangle('position',Ibox(:,cnt),'edgecolor','r'); end
See Also
Categories
Find more on Computer Vision with Simulink in Help Center and File Exchange
Products
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!