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Kim


Nanyang Polytechnic

Active since 2011

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Question


Organizing data to use Graphshortestpath function
I know the concept behind Graphshortestpath Function in Matlab however I have to re-code this portion to connect the path again....

12 years ago | 1 answer | 0

1

answer

Question


Exporting kml file of lines
I am working on exporting kml file with series of coordinates which are joined together but I keep receiving this error? How can...

12 years ago | 0 answers | 0

0

answers

Question


Using way-points to create pathway
I'm currently working on map routing system and not sure does anyone did this before. But I have collected various way-points co...

12 years ago | 0 answers | 0

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answers

Question


How to read google map url
I have retrieve the map from google map to load in Matlab. I have try 'urlread' function but it will convert to string...

12 years ago | 0 answers | 1

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answers

Question


How to load Google Earth Toolbox?
I have insert this in the command window addpath('C:\Program Files\MATLAB\R2009a\toolbox\googleearth') and place the dow...

12 years ago | 1 answer | 0

1

answer

Question


How to crop out the barcode??
I have found out the way to determine the barcode and currently working on cropping out the barcode. How can I write the code so...

13 years ago | 3 answers | 0

3

answers

Question


How to determine that the red region is the barcode?
I want to cropped out the barcode out but I need it run a block filter first. If it is less than 20x20, then will remove the oth...

13 years ago | 0 answers | 0

0

answers

Question


How to change the formula to detect vertical line and horizontal line ??
I only can figure out how to get the horizontal line. And vertical line is just switch the two variables. But how can I combine ...

13 years ago | 0 answers | 0

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answers

Question


How to rotate the image so that the barcode horizontal??
How can I rotate the image using the barcode to determine where the angle is and rotate it according to make it horizontal. I us...

13 years ago | 1 answer | 0

1

answer

Question


How to remove non-barcode object to blue region in an image?
After I did a 'imclearborder', there are still abit of unwanted object around the barcode. How can I change those object to blue...

13 years ago | 0 answers | 0

0

answers

Question


How to get the barcode region to red color??
How can I write the code to get the red region works on vertical barcode image shown on figure 1(a&b). *Figure 2(a&b) is what...

13 years ago | 2 answers | 0

2

answers

Question


Applying the formula to determine the barcode
How to write the code to apply the formula to the image and the result is low-pass filtered. The red region is the highest inten...

13 years ago | 1 answer | 0

1

answer

Question


How to increase or decrese graythresh value?
rgb=imread('image1.jpg'); Igray=rgb2gray(rgb); Ibw = im2bw(Igray,graythresh(Igray)); imshow(Igray);

13 years ago | 1 answer | 0

1

answer

Question


Warning: Polynomial is not unique
How to solve this issue Warning: Polynomial is not unique; degree >= number of data points. > In polyfit at 71

13 years ago | 1 answer | 0

1

answer

Question


How to draw a straight across the centroid points of the barcode using best fit points
This is the processed image and I can't increase the bwareaopen() as it won't work for my other image. *EDITED:* Anyway I'm tr...

13 years ago | 2 answers | 0

2

answers

Answered
How to draw a line in a series of points
plot(centroids(:,1),centroids(:,2),'LineWidth',2,'Color','green')

13 years ago | 0

Question


How to draw a line in a series of points
This is image is after I did a centroid plotting. So how can I draw the line through s = regionprops(Iskel,'centroid'); ce...

13 years ago | 2 answers | 0

2

answers

Question


How to use houghlines to detect the barcode lines
How can I detect the lines using houghline or other hough function in Matlab?? <<http://i42.tinypic.com/15d27ap.gif>>

13 years ago | 1 answer | 0

1

answer

Question


How to draw a line across the centre of the barcode?
Original Image <<http://i44.tinypic.com/rhsr9t.jpg>> How to make the image to look like this?? <<http://i44.tinypic.com/fn8vi...

13 years ago | 1 answer | 0

1

answer

Question


How to recover the barcode after the use of imdilate()
I was trying to merge the barcode together so that I can remove the background object. After doing so, I was wondering how can ...

13 years ago | 1 answer | 0

1

answer

Question


How to get the coordinate of this four points?
How to get the coordinate of this four points? <<http://i39.tinypic.com/b9hmxl.jpg>> Original Image <<http://i42.tinypic.com...

13 years ago | 2 answers | 0

2

answers

Question


Image Processing - How to remove big pixel object
I have remove small unwanted object however there are still some big pixel object I can't remove it. How can I remove it?? (...

13 years ago | 1 answer | 0

1

answer

Question


Image Processing - Detect lines using regionprops
How can I detect the lines of barcode using regionprops to inform the computer this is the barcode?? Here is the image link tha...

13 years ago | 1 answer | 0

1

answer

Question


Image Processing - How to making the Background black leaving barcode as white
I'm new to Matlab. I wondering how to make the background black and leaving the barcode white. I read on some noise elimaination...

13 years ago | 2 answers | 1

2

answers

Question


Image Processing - How to separate barcode from the background
I'm wondering how to separate the barcode from background itself, and I have tried some different to remove the unwanted object ...

13 years ago | 3 answers | 0

3

answers