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统计学

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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 前 | 1 个回答 | 0

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Sir, I would like to calculate FAR & FRR dorsal hand images for that I have used EER_DET_Conf program but what type of input provided at Genuine score and Imposter score I dont understand please sort out my problem, I attached my program herewith.
Could you give us an example to apply this code?

5 years 前 | 0

提问


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 前 | 2 个回答 | 0

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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...

6 years 前 | 0 个回答 | 0

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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...

6 years 前 | 0 个回答 | 0

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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...

6 years 前 | 0 个回答 | 0

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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...

6 years 前 | 1 个回答 | 0

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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...

6 years 前 | 3 个回答 | 0

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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 ...

6 years 前 | 1 个回答 | 0

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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...

6 years 前 | 1 个回答 | 0

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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 ...

6 years 前 | 1 个回答 | 0

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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...

6 years 前 | 1 个回答 | 0

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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 ...

6 years 前 | 0 个回答 | 0

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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 前 | 1 个回答 | 0

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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 前 | 2 个回答 | 0

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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 前 | 1 个回答 | 0

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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 前 | 0

提问


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 前 | 1 个回答 | 0

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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 前 | 0

提问


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 前 | 0 个回答 | 0

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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 前 | 1 个回答 | 0

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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 前 | 1 个回答 | 0

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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 前 | 1 个回答 | 0

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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 前 | 0 个回答 | 0

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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 前 | 1 个回答 | 0

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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 前 | 1 个回答 | 0

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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 前 | 0