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Question
How to automatic rotate the crop rectangle area (imrect function) like image below?
<</matlabcentral/answers/uploaded_files/130560/Example.jpg>> clc; % Clear the command window. close all; % Close...
nästan 6 år ago | 2 answers | 0
2
answersQuestion
How to Partition the MaxIndex into 16 sub-images and calculate a 5-element histogram for each sub-image? How to create the 80-element Edge Histogram Descriptor EHD feature vector by concatenating the 16, 5-element histograms into one vector?
rgb_im = imread('0002.png'); new_im=rgb2gray(im2double(rgb_im)); %extract only y component y=double(new_im(:,:,1)); ...
ungefär 7 år ago | 2 answers | 0
2
answersQuestion
How to match rotation query image with database image?
1. rotate 45 degree <</matlabcentral/answers/uploaded_files/82203/13100%2045%20degree.png>> 2. rotate 90 degree <</matl...
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
Which invariant image matching do I use? PNG format
1. Query Image <</matlabcentral/answers/uploaded_files/80615/13103%20IP.png>> 2. Database Image <</matlabcentral/answer...
ungefär 7 år ago | 0 answers | 0
0
answersQuestion
Instead of read the whole image first and then take part of feature, but only read this feature part of the image from the beginning, how to do it? Using fread function?
<</matlabcentral/answers/uploaded_files/78374/13100%20IP.jpg>> How to read the feature part of the image (without white color...
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
How to fit the error? Attempted to access hmmdimage(2,2); index out of bounds because size(hmmdimage)=[1,99918].
How to fit the error? Attempted to access hmmdimage(2,2); index out of bounds because size(hmmdimage)=[1,99918]. rgb_...
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
How to change the black color into transparency in png format?
colorImage = imread('13100.png'); grayImage = rgb2gray(colorImage); mserRegions = detectMSERFeatures(grayImage); mser...
ungefär 7 år ago | 2 answers | 0
2
answersQuestion
how to calculate the distance between 2 matrix (without counting the number of 255)?
A = 255 0 135 91 255 255 3 21 255 B = 11 0 135 91 21 97 3 21 218 E_distance = sqrt...
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
When using imread function, the blank area automatic as 255. How to turn the pixel of blank area as empty?
rgb_image = imread('13100 IP.jpg'); <</matlabcentral/answers/uploaded_files/76786/13100%20IP.jpg>>
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
How to solve the Issue with subimages having odd rows and columns, block error?
Image = ('13100.jpg'); Img = imread (Image); [oldx oldy z] = size(Img); x = oldx/4; y = oldy/4; if...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
How to solve this error (index must be a positive integer or logical)?
function s = subim(f, m, n, rx, cy) %SUBIM Extracts a subimage, s, from a given image, f. %The subimage is of size m-by-...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
How to use Edge Histogram Descriptor (EHD) to compare 2 Image?
My problem is I do not know how to write EHD code to compare 2 image. Please help me, thanks z = clock; I = imread('a.jp...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
How to retrieval back the color in particular area from original image?
<</matlabcentral/answers/uploaded_files/72574/13100.jpg>> 13100.jpg colorImage = imread('13100.jpg'); grayImage = rg...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
How to save all figure as jpeg format in folder?
srcFiles = dir('C:\Users\fit\Documents\MATLAB\H\*.jpg'); % the folder in which ur images exists for i = 1 : length(srcFile...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
how to combine 2 figure into 1 figure? use copyobj and findobj function
<</matlabcentral/answers/uploaded_files/68799/combine%20figure%201%20and%202.jpg>> fig1 = open('1.fig'); axesObjs = get(...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
How to display all selected region in the one figure?
<</matlabcentral/answers/uploaded_files/68245/100070-5.jpg>> N = 5 ; I = imread('13170.jpg'); iwant = cell(N,1) ; ...
mer än 7 år ago | 3 answers | 1
3
answersQuestion
It's using imellipse that does the job for 5 region, but only the last region is displayed. How to do for each region save to array, for each array draw it out, then for each object in array draw it out. Thanks
N = 5 ; I = imread('13170.jpg'); im = imshow(I); for i = 1:N e = imellipse(gca);% now pick ROI setColor(e, 'red...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
How to create multiple ROI in the same figure? I'd like to manually draw multiple region on an image to create a mask of the drawn regions. I attached the code to do it using ellipse that does the job for 5 region, but only last region is displayed.
I = imread('13170.jpg'); im = imshow(I); e = imellipse(gca);% now pick ROI BW = createMask(e,im);% get BW mask for th...
mer än 7 år ago | 1 answer | 0