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Chandra Kurniawan


National Institute of Technology Indonesia

Con actividad desde 2011

Followers: 0   Following: 0

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Learn digital image processing with Matlab.
I regularly delete my unaccepted answers.
Professional Interests: Image processing

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Respondida
How do I combine multiple plots in one graph?
To combine multiple plots in one graph, use the “hold on” command, such as: plot(1:10) hold on plot(11:20) hold off ...

alrededor de 6 años hace | 11

| aceptada

Respondida
Convert AVI file to series of images
Hi, This is the simpler version : obj = mmreader('rhinos.avi'); vid = read(obj); frames = obj.NumberOfFrames; f...

más de 12 años hace | 4

| aceptada

Respondida
Image to binary conversion
for i = 1 : a for j = 1 : b k{i,j} = dec2bin(image(i,j)); end end please use cell-array to s...

más de 12 años hace | 0

| aceptada

Respondida
matlab code
The error message sounds you accessed X(213,1) while the size of X is 212x320 X is a gray image generated from command : X = ...

más de 12 años hace | 0

| aceptada

Respondida
resize subplot
Hi, Pan You can use 4 axes and replace command subplot with imagesc(vid2(:,:,:,frame3),'parent',axeshandle); This is...

más de 12 años hace | 0

| aceptada

Respondida
make history
Hi, Rahma I have seen your picture. I think I cannot do it with your way. Imagine if we have A-m-5 in 1st component an...

más de 12 años hace | 1

| aceptada

Respondida
combine binary image
Hi, I think, first you should check whether the data is empty or not using for-loop. hnd = {handles.cJalan,handles.cSung...

más de 12 años hace | 1

| aceptada

Respondida
how to use fopen in this situation?
Hi, ts is cell array. please try ts = cell2mat(ts); after line ts = inputdlg(prompt,dlg_title,num_lines,def...

más de 12 años hace | 1

| aceptada

Respondida
how to saving image of quadtree from axes
Hi, Elsya please try to add this line ImQuadtree = 255*ImQuadtree; after line : ImQuadtree = getimage(handles.qu...

más de 12 años hace | 0

| aceptada

Respondida
how to use button that controls video?
function vidplayer() obj = mmreader('rhinos.avi'); v = read(obj); hstat = uicontrol('unit','pixel','style','checkbox'...

más de 12 años hace | 0

| aceptada

Respondida
linking GUIs in MATLAB
Hi, Let say I have 2 GUIs. untitled1 untitled2 In first GUI I have pushbutton to call the second GUI. Just...

casi 13 años hace | 1

| aceptada

Respondida
External functions (with a GUI)
Hi, Maybe this will helps. I have GUI as shown in picture below : <<http://i1196.photobucket.com/albums/aa410/nasa078/M...

casi 13 años hace | 1

| aceptada

Respondida
use subplot play video
Hi, maybe obj = mmreader('xylophone.mpg'); vid = read(obj); for frame = 1 : size(vid,4) bw = im2bw(vid(:,:,:,f...

casi 13 años hace | 0

| aceptada

Respondida
centroid of an image
Hi, did you mean 'find centroid of objects in an image'?? use *regionprops* with property : centroid Eg : stat = regio...

casi 13 años hace | 6

| aceptada

Respondida
create target for neural network
Hi, Remo Feature vector that extracted from an image ideally m x 1 matrix. You said that it's 42 x 42. Is it means 42 feat...

casi 13 años hace | 1

| aceptada

Respondida
How to Capture objects in big image and divided them to small images?
This code works just for this image only Irgb = imread('b653er.jpg'); Igray = rgb2gray(Irgb); Ibw = im2bw(Igray,grayt...

casi 13 años hace | 0

| aceptada

Respondida
How to crop out the barcode??
D = C > 20; Ilabel = bwlabel(D); stat = regionprops(Ilabel,'boundingbox'); for x = 1 : length(stat) Icrop{x} =...

casi 13 años hace | 0

| aceptada

Respondida
need help on a simple question.
Hi, please replace * fprintf ('The char is %4s\n','s',char)* with * fprintf ('The char is %s\n',char);*

casi 13 años hace | 0

| aceptada

Resuelto


Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

casi 13 años hace

Resuelto


Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

casi 13 años hace

Resuelto


Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

casi 13 años hace

Resuelto


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

casi 13 años hace

Resuelto


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

casi 13 años hace

Resuelto


Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

casi 13 años hace

Resuelto


Reverse Run-Length Encoder
Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

casi 13 años hace

Resuelto


Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

casi 13 años hace

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De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

casi 13 años hace

Resuelto


Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

casi 13 años hace

Resuelto


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

casi 13 años hace

Resuelto


Is my wife right?
Regardless of input, output the string 'yes'.

casi 13 años hace

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