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wisam kh


Active since 2018

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The problem of delay in contact with Ardiono
I connect the MATLAB with the ArduinoArduino. The problem is when I want to send a command from the Matlab to the Arduino; it re...

5 years ago | 1 answer | 0

1

answer

Question


What algorithm does Matlab rely on to thinning the image?
Hello What algorithm does Matlab rely on to thinning the image using thin morphological operation? The source has been menti...

5 years ago | 2 answers | 0

2

answers

Question


Rotate image with an angle of theta zero
Hello This is part of a published paper. <</matlabcentral/answers/uploaded_files/140671/rorate.jpg>> what the author me...

5 years ago | 0 answers | 0

0

answers

Question


Invariant moments values are very small
Hello I use the invariant moments as the features from the fingerprints, but the values are very small. Can I use it to do...

5 years ago | 0 answers | 0

0

answers

Question


How can I connect fingerprint Sensor (R305) directly to Matlab to use it with my project ?
Hello How can I connect fingerprint Sensor (R305) directly to Matlab to use it with my project ? do I use Arduino, or us...

5 years ago | 0 answers | 0

0

answers

Question


how can I calculate the False Rejection Rate (FRR) and the False Acceptance Rate (FAR) for biometrics applications?
Hello In biometrics applications, we must measure the False Rejection Rate (FRR) and the False Acceptance Rate (FAR). I'm...

5 years ago | 1 answer | 0

1

answer

Question


How to matching different numbers of features?
Hello I'm working on a fingerprint matching program. The extracted features are minutiae, each of these features contains the...

5 years ago | 3 answers | 0

3

answers

Question


How can I use Principal Component Analysis (PCA) to reduce features?
Hello I extract image features using the Gabor filter. The number of features is large for each image (5670 X 1) row and ...

5 years ago | 1 answer | 0

1

answer

Question


Is it possible to crop image parallel with angle?
Hello If I set a point in the picture with the angle of its orientation, is there a possible way to crop around this point, w...

5 years ago | 1 answer | 0

1

answer

Question


Rotate image parallel to the x-axis
Hello If I select two points in the picture, and then I extracted the angle between this two points, (note between them line ...

5 years ago | 1 answer | 0

1

answer

Question


how can I find angle of curve of specific point?
Hello I found specific point, but how can I find angle of curve on this point? <</matlabcentral/answers/uploaded_files/131...

5 years ago | 1 answer | 0

1

answer

Question


I need to know what's the problem with this code
Hello I need to know what's the problem with this code % tedata contain 20 cells % trdata contain 60 cells ...

5 years ago | 0 answers | 0

0

answers

Question


How can I calculate percentage of Euclidean distance?
Hello I use this code to find the similarities between features by the Euclidean distance. function D= E_distance(n1, n2)...

6 years ago | 1 answer | 0

1

answer

Question


How can I split the image into blocks and then extract the features from each block?
Hello I extracts image features (invariant moment) using this code [filename, pathname] = uigetfile({'*.*';'*.bmp';'*.jpg...

6 years ago | 2 answers | 0

2

answers

Question


How can I find the distance between different dimensional matrices?
Hello When I extract minutiae of fingerprints, their number is different between one image and another. after preprocessing ...

6 years ago | 1 answer | 0

1

answer

Answered
Why does IMAQREGISTER not throw an error even when I attempt to register an invalid adaptor file using Image Acquisition Toolbox 3.3 (R2009a) ?
Hello Did you solve this problem? I have the same problem. please help.

6 years ago | 0

Question


Updating server code on board Nano3 (COM5). Please wait. How can I solve this?
Hello When I try to connect to arduino I get this message >> a=arduino('com5','nano') Updating server code on board ...

6 years ago | 1 answer | 0

1

answer

Answered
Cannot connect arduino Mega2560 to matlab2016a
when I change the name and what to open skitch again to upload empty skitch to rest arduino get this error The sketchbook fo...

6 years ago | 0

Question


How can I use Fingerprint Sensor (R305) connect through (ttl uart to usb) to capture image to my program in MATLAB?
Hello How can I use Fingerprint Sensor (R305) connect through (ttl uart to usb) to capture image to my program in MATLAB? ...

6 years ago | 0 answers | 0

0

answers

Question


How can I compare different numbers of features in multiple pictures to find out similarities between fingerprints?
Hello When I extract fingerprint features, I get a different number of minutiae from each image. How can I compare differe...

6 years ago | 1 answer | 0

1

answer

Question


How can I compare all test samples with training samples by euclidean distance?
Hello The features of the images were extracted, 60 training images and 20 images for test. Use the euclidean distance to ...

6 years ago | 1 answer | 0

1

answer

Question


rotate and crop image but get error (Subscript indices must either be real positive integers or logicals)
I'm crop the picture using this code v=~im2bw(img,0.7); [rows, columns] = find(v); row1 = min(rows); row2 = max(rows);...

6 years ago | 1 answer | 0

1

answer

Question


How can i makes matching between features extracted from pictures
Hello everybody I am working on fingerprint identification project, I use Hu's Seven Moments Invariant algorithm, to extra...

6 years ago | 0 answers | 0

0

answers

Question


How can I make automatic crop?
Hello How can I make automatic crop around core? like <</matlabcentral/answers/uploaded_files/122594/crop.jpg>> .

6 years ago | 1 answer | 0

1

answer

Question


how can I use fingerprint scanner (Futronic FS80H) in matlab program
hello, is there any one can help me to connect this kind of scanner with my program , I searched but I didn't find anything ...

6 years ago | 1 answer | 0

1

answer

Answered
while using for loop in following function some blank cells are come into output matrix like [ ] [ ] [ ]. I dont understand where i wrong in for loop
Hello when I try this code I got this error Error in build_db (line 9) img = imread(filename); how can I solve it, help ...

6 years ago | 0