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Chandra Kurniawan


National Institute of Technology Indonesia

Active since 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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Answered
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 ...

ongeveer 6 jaar ago | 11

| accepted

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

meer dan 12 jaar ago | 4

| accepted

Answered
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...

meer dan 12 jaar ago | 0

| accepted

Answered
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 = ...

meer dan 12 jaar ago | 0

| accepted

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

meer dan 12 jaar ago | 0

| accepted

Answered
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...

meer dan 12 jaar ago | 1

| accepted

Answered
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...

meer dan 12 jaar ago | 1

| accepted

Answered
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...

meer dan 12 jaar ago | 1

| accepted

Answered
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...

meer dan 12 jaar ago | 0

| accepted

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

meer dan 12 jaar ago | 0

| accepted

Answered
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...

bijna 13 jaar ago | 1

| accepted

Answered
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...

bijna 13 jaar ago | 1

| accepted

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

bijna 13 jaar ago | 0

| accepted

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

bijna 13 jaar ago | 6

| accepted

Answered
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...

bijna 13 jaar ago | 1

| accepted

Answered
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...

bijna 13 jaar ago | 0

| accepted

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

bijna 13 jaar ago | 0

| accepted

Answered
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);*

bijna 13 jaar ago | 0

| accepted

Solved


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...

bijna 13 jaar ago

Solved


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...

bijna 13 jaar ago

Solved


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...

bijna 13 jaar ago

Solved


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...

bijna 13 jaar ago

Solved


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 + ...

bijna 13 jaar ago

Solved


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 ...

bijna 13 jaar ago

Solved


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

bijna 13 jaar ago

Solved


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

bijna 13 jaar ago

Solved


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 =...

bijna 13 jaar ago

Solved


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

bijna 13 jaar ago

Solved


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...

bijna 13 jaar ago

Solved


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

bijna 13 jaar ago

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