Question

what should be the program for following output?
Sr.no Threshold TP TN FP FN FAR FRR GAR 1 0 0 100 0 100 0 1 0 2 0.1 19 100 0 81 0 0.81 19 3 0.15 62 99 1 38 0.01 0.38...

6 years ago | 1 answer | 0

1

answer

Question

Error in following code while converting cell to matrix
Error in following code Error using cell2mat (line 52) CELL2MAT does not support cell arrays containing cell arrays or obje...

6 years ago | 2 answers | 0

2

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Question

Sir, am having the four mat files, which of two contains features from minutie and other two contains feature from invarient moment, can i make fusion of those features by combining it then how?
Sir, am having the four mat files, which of two contains features from minutiae and other two contains feature from invariant mo...

6 years ago | 1 answer | 0

1

answer

Question

How to compute & plot Equal Error Rate (EER) from FAR/FRR values using matlab
I have the following values against FAR/FRR of 20 classes. i want to compute EER rates and then plot in matlab. FPR ...

6 years ago | 0 answers | 0

0

answers

Question

Error in HeatMap, In following code confusion matrix is plotted but i want to visualize the same using a heat map, what is wrong?
Error using HeatMap/set Invalid parameter/value pair arguments. Error in HeatMap (line 392) set(obj, pvPairs{:}...

6 years ago | 0 answers | 0

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Question

sir, what is required to denoise the attached image, i tried with following code but still some noise is there
clc; close all; %% %roiFolder = 'E:\MATLAB\R2016b\bin\img\PCA\my_PhD_Programs\Jermanfilter\dbROI'; %filePattern = fullfile(m...

6 years ago | 0 answers | 0

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Question

error in knn classification train accuracy is 96.33% but test accuracy is only 7.33%, is this overfitting problem.
error in knn classification train accuracy is 96.33% but test accuracy is only 7.33%, is this overfitting problem. how to solve ...

6 years ago | 0 answers | 0

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Question

Error while calling reshape
Following is a cell array having size 1 X 180, is it possible to reshape this cell array size into 6*4, here 6 is column in one ...

6 years ago | 0 answers | 0

0

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Question

error in attached program
Index exceeds matrix dimensions. Error in ext_vein (line 381) dist_m = dist2(minutiae(:,1:2), minutiae(:,1:2)); Error...

6 years ago | 1 answer | 0

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answer

Question

regionprops function retrieving only small vein line instead of total vein pattern
clc; clear all; chart = imread('202.bmp'); chart = gray2rgb(chart); bw = im2bw(imcomplement(rgb2gray(chart))); imsho...

6 years ago | 0 answers | 0

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answers

Question

Not getting correct vein pattern from image after mophological operation
Sir, in attached image is output of some morphological operation but still some unwanted region is present how to remove this. ...

6 years ago | 0 answers | 0

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Question

which morphological operation is needed for best vein pattern imaging on attached image
sir, I apply some morphological operation but a lot of small wholes are getting and bifurcation of veins not seen in the image

6 years ago | 0 answers | 0

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Question

error while calculating minutie..
I have Binary hand vein image (attached here) of size 60 X 60, i try to extract minutie from this binary image with following pr...

6 years ago | 0 answers | 0

0

answers

Question

error in my program
sir, i want to classify testdata and traindata using knnclassify, I have 8 images per person total 80 images of dorsal hand vein...

6 years ago | 0 answers | 0

0

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Question

sir, following is the error in my program, here AUC (area under curve) is 0 0 and OPTROCPT also zero why so this...
clc clear all; c=[]; addpath train; addpath test; mapping=getmapping(8,'u2'); ...

6 years ago | 0 answers | 0

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Question

i got only four values classifying train and test images using fitctree and resubPredict function i have attached roc curve and following is the result having values like threshold accuracy FPR TPR, where am wrong i got only four values
Thr Accuracy TPR FPR ___ ________ ___ ________ 1 95 0 0 ...

6 years ago | 0 answers | 0

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Question

sir, following is the error in my code while calculating ROC curve
Error using main_new (line 131) You must pass scores as a vector of floating-point values. %% Dorsa...

6 years ago | 1 answer | 0

1

answer

Question

Sir, following is the matching score of 20 subjects in the form of 0 and 1, how to determine a suitable threshold for matching and how to calculate FAR and FRR with respect to that threshold?
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0...

6 years ago | 0 answers | 0

0

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Question

There is some error while calling function fitcknn. I passed parameters like fitcknn(P_train,train_label,'Distance','euclidean','NumNeighbors',5) here size of P_train is 176 X 180 and train_label is 180 1
Error using classreg.learning.FullClassificationRegressionModel.prepareDataCR (line 201) X and Y do not have the same numbe...

6 years ago | 1 answer | 0

1

answer

Question

Sir, after applying radon like featur for hand vein enhancement i want to write image in folder but am not getting how to write it, i have tried by imwrite function but output image is not that i want
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Radon like feature for hand vein enhancement %%%%%%...

6 years ago | 0 answers | 0

0

answers

Question

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
function build_db(ICount, JCount) p=0; path = 'E:\MATLAB\R2016b\bin\img\PCA\my_PhD_Programs\minuite\FVC2002\DB1_...

6 years ago | 2 answers | 0

2

answers

Question

following is the error while calculating euclidean distance using pdist2, what should i do ..
testdata = 3×1 cell array [54×6 double] [44×6 double] [44×6 double] >> traindata traindata = 8×...

6 years ago | 1 answer | 0

1

answer

Question

Sir, how to calculate Euclidean distance of two cell array having the size testdata 1 X 30 and traindata 1 X 50 of 10 person (8 images per person)
Sir, how to calculate Euclidean distance of two cell array having the size testdata 1 X 30 and traindata 1 X 50 of 10 person (8...

7 years ago | 1 answer | 0

1

answer

Question

Sir, I have 80 images of 10 persons ( 8 images per person ) , I would like to convert first 3 images to testing and remaning 5 images to training. can I modify following code like this. Please answer me...
function build_db(ICount, JCount) p=0; path = 'E:\MATLAB\R2016b\bin\img\DB1_B\' for i=1:ICount % 10 f...

7 years ago | 0 answers | 0

0

answers

Question

Reading images in matlab
Am using a database which is gathered from 100 persons, 3 images per persons of each of 4 different activities like act,bag,nor...

7 years ago | 1 answer | 0

1

answer

Question

Sir, i want to store image feature(Bifurcation and termination) into excel file rowwise (code attached herewith) But last image is overwritten, please give the soluation
% Minutiae points are local ridge characteristics that occur at either a % ridge bifurcation or a ridge % ending. clear all;...

7 years ago | 0 answers | 0

0

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Question

Hello, I have the following code and couldn't figure out what I am doing wrong. I am getting the following error,
%% Matrix dimensions must agree. %Error in crop4 (line 86) ZTerm=Z.*ROI'; J=imread('3.bmp'); imshow(J...

7 years ago | 1 answer | 0

1

answer

Question

Dear sir, i have matrix of distances(Euclidian) size 35 X 15, i want to calculate threshold value to determine accuracy.
i have matrix of distances(Euclidian) size 35 X 15 attached herewith, i want to calculate threshold of each column,to determine...

7 years ago | 1 answer | 0

1

answer

Question

I want to read 24 images and stores value of omega,imou,nb into mat file, but some error in my program...
function [timeelapsed1] = matfileforallimages() %create .mat file and calculates weights of each binary image in the databa...

7 years ago | 1 answer | 0

1

answer

Question

Dear sir, I have written code for ROI region of interest, but am not able to get proper output, i attached code in matlab
Dear sir, I have written code for ROI region of interest, but am not able to get proper output, i attached code in matlab

7 years ago | 0 answers | 0

0

answers