Community Profile

photo

Chandra Kurniawan


National Institute of Technology Indonesia

184 2011 이후 총 참여 횟수

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

담당자

Chandra Kurniawan's 배지

  • First Review
  • 3 Month Streak
  • Pro
  • Knowledgeable Level 4
  • First Answer
  • Solver

세부 정보 보기...

참여 게시물
보기 기준

답변 있음
Defining function handles in MATLAB
Hi, Richard. To evaluate f(x) at different values of x, you can create an .m file and write this code: function y = f(x) y = ...

6달 전 | 4

| 수락됨

답변 있음
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 ...

약 1년 전 | 11

| 수락됨

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

7년 이상 전 | 3

| 수락됨

답변 있음
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...

7년 이상 전 | 0

| 수락됨

답변 있음
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 = ...

7년 이상 전 | 0

| 수락됨

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

7년 이상 전 | 0

| 수락됨

답변 있음
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...

7년 이상 전 | 1

| 수락됨

답변 있음
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...

7년 이상 전 | 1

| 수락됨

답변 있음
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...

7년 이상 전 | 1

| 수락됨

답변 있음
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...

7년 이상 전 | 0

| 수락됨

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

7년 이상 전 | 0

| 수락됨

답변 있음
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...

7년 이상 전 | 1

| 수락됨

답변 있음
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...

7년 이상 전 | 1

| 수락됨

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

7년 이상 전 | 0

| 수락됨

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

8년 이하 전 | 5

| 수락됨

답변 있음
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...

8년 이하 전 | 1

| 수락됨

답변 있음
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...

8년 이하 전 | 0

| 수락됨

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

8년 이하 전 | 0

| 수락됨

답변 있음
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);*

8년 이하 전 | 0

| 수락됨

해결됨


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...

8년 이하 전

해결됨


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...

8년 이하 전

해결됨


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...

8년 이하 전

해결됨


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...

8년 이하 전

해결됨


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 + ...

8년 이하 전

해결됨


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 ...

8년 이하 전

해결됨


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

8년 이하 전

해결됨


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

8년 이하 전

해결됨


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 =...

8년 이하 전

해결됨


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

8년 이하 전

해결됨


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...

8년 이하 전

Load more