Community Profile # Mei Synn Tan

Active since 2017

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Question

How to automatic rotate the crop rectangle area (imrect function) like image below?

alrededor de 3 años ago | 1 answer | 0

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Question

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)); ...

más de 4 años ago | 2 answers | 0

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Question

How to match rotation query image with database image?

más de 4 años ago | 1 answer | 0

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Question

Which invariant image matching do I use? PNG format

más de 4 años ago | 0 answers | 0

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Question

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?

más de 4 años ago | 1 answer | 0

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Question

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_...

más de 4 años ago | 1 answer | 0

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Question

How to change the black color into transparency in png format?
colorImage = imread('13100.png'); grayImage = rgb2gray(colorImage); mserRegions = detectMSERFeatures(grayImage); mser...

más de 4 años ago | 2 answers | 0

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Question

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...

más de 4 años ago | 1 answer | 0

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Question

When using imread function, the blank area automatic as 255. How to turn the pixel of blank area as empty?

más de 4 años ago | 1 answer | 0

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Question

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...

más de 4 años ago | 1 answer | 0

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Question

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-...

más de 4 años ago | 1 answer | 0

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Question

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...

más de 4 años ago | 1 answer | 0

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Question

How to retrieval back the color in particular area from original image?

más de 4 años ago | 2 answers | 0

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Question

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...

más de 4 años ago | 1 answer | 0

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Question

how to combine 2 figure into 1 figure? use copyobj and findobj function

casi 5 años ago | 1 answer | 0

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Question

How to display all selected region in the one figure?

casi 5 años ago | 3 answers | 1

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Question

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...

casi 5 años ago | 1 answer | 0