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Chidiebere Ike


32 total contributions since 2018

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Question


Why do I get these error message ?
EyeDetect = vision.CascadeObjectDetector('EyePairBig'); % Read input image I = imread('Photo.jpg'); subplot(1,2,1), imshow(I)...

21 days ago | 1 answer | 0

1

answer

Question


Plotting a graph of PSNR values after enhancement?
Hi,I have PNSR values obtained from the super resolution of 10 images using different super resolution algorithm. How do I get t...

2 months ago | 0 answers | 0

0

answers

Question


What is the Maximum PSNR and SSIM values for HR images ?
Hello, I would like to be clarified on this. Are there targeted or maximum ranges in values of PSNR and SSIM for High resolu...

2 months ago | 1 answer | 0

1

answer

Question


How to show mat file to struct ?
Hello, I wish to know how to show data in .mat file in the form struct and save it back to mat file format?

3 months ago | 1 answer | 0

1

answer

Question


How do I generate edge map of Images?
I have 10 images and wish to generate the Canny Edge maps of all images. Each image should be saved in a folder with it's origin...

8 months ago | 0 answers | 0

0

answers

Question


Why do I get the error message "Subscripted assignment dimension mismatch"?
Subscripted assignment dimension mismatch. Error in L1SR (line 144) hIm(1:3, :) = bhIm(1:3, :); Error in yima (line 60) ...

8 months ago | 2 answers | 0

2

answers

Question


How do I resolve this problem ??
Hello. I am working on a code named Demo_SR via this link https://github.com/tingfengainiaini/sparseCodingSuperResolution. I...

8 months ago | 1 answer | 0

1

answer

Question


How do I perform image difference Between 2 images and extract difference ??
Hello, I will like to use apply the code found https://www.mathworks.com/matlabcentral/answers/276217-write-an-image-name-to-par...

8 months ago | 1 answer | 0

1

answer

Question


Why do I have different results?
Hello. I tried to estimate MSE and RMSE error between orignal image and my reconstructed images using the two codes below. I d...

8 months ago | 2 answers | 0

2

answers

Question


How do I compute RMSE for Color Image ??
I wish to compute RMSE for color images and I applied the code below was to compute RMSE for grayscale image. Please will this...

8 months ago | 1 answer | 0

1

answer

Question


How to I apply Gaussian filter on images in MATLAB?
How to I apply a 7 x 7 Gaussian blurr operator with standard deviation of 1.6 and downscaled by a factor of 3 ? I tried to writ...

8 months ago | 1 answer | 0

1

answer

Question


How do I write images to a specific folder ?
Hello! I read 8 pictures (different names) using imread function, obtain edge maps named ED1 to ED8, each edge map corresponding...

8 months ago | 1 answer | 0

1

answer

Question


Why do I receive this error message?
Hello. I tried to run the code via this link <https://github.com/yifanw90/Zeyde_superes> and I get errors below, can anyone h...

8 months ago | 0 answers | 0

0

answers

Question


How do I calculate PNSR of an Image
Hello, I have an image named "Foreman". I wish to estimate it's PSNR initial value in dB. How do I achieve this ? Tha...

8 months ago | 0 answers | 0

0

answers

Question


How can I plot PSNR vs Neighbours after enhancement ?
Hi,I want to plot a graph between the PSNR (on y-axis) and 'neighbour' (on x-axis). I have got 'neighbour' with a value 1x28 Dou...

9 months ago | 0 answers | 0

0

answers

Question


How to decrypt a .mat file ?
Hi, Is there any way to go about this? I need an information on how to decrypt a given .mat file named "conf.mat" ? I have...

9 months ago | 2 answers | 0

2

answers

Question


How do I solve this error "Index exceeds matrix dimensions."
Hello, I am having issues with a code I got via this link <https://www.mathworks.com/matlabcentral/fileexchange/38200-fast-n...

9 months ago | 1 answer | 0

1

answer

Question


How do I call this function into my main code and assign an output to it ?
Please can anyone clarify me on this. I have a function file named “decompose_kernel” and I have another .m file containing my c...

9 months ago | 1 answer | 0

1

answer

Question


How do I change input values in different function file ?
I have a .m file with several function file and my focus is to observe the changes in PSNR and SSIM results values. How do I mak...

1 year ago | 1 answer | 0

1

answer

Question


How do I read Folders with subfolders ?
I have a folder named "Yale" with subfolder named "YaleB01" to "YaleB21" in MATLAB directory. Each subfolder contains images. Ho...

1 year ago | 3 answers | 0

3

answers

Question


.mat file to csv.
I have a mat file named (bag.mat) with value 1*1 bagOfFeature on my workspace. I want to write it into csv files. I have tried c...

1 year ago | 0 answers | 0

0

answers

Question


How do I read all image Folder into Matlab ??
How do I read image datasets of 400 images with 40 subfolder containing 10 image per folder into Matlab? Can anyone help me with...

1 year ago | 1 answer | 0

1

answer

Question


How do I load my Dataset into Matlab using imageDatastore ??
My dataset "Z" is a folder that has sub folders ('Z1-Z40'); each sub-folder contains images. Using *imageDatastore* function, Ho...

1 year ago | 0 answers | 0

0

answers

Question


How do I convert files on my workspace to mat file ??
I have a file on my workspace named effLBP containing extracted feature It's a 592*896*3uint8 matrix 1. How do I convert this...

1 year ago | 1 answer | 0

1

answer

Question


Why do I get this error at the Classifier code line?? Please help
%% Load Image Information from ORL Face Database Directory faceDatabase = imageSet('orl_faces','recursive'); %% Disp...

1 year ago | 1 answer | 0

1

answer

Question


I am having an error in running this code. Kindly help.
Below is the error message received when I ran the classifier section of the code: Error in SimpleFaceRecognition (line 39)...

1 year ago | 0 answers | 0

0

answers

Question


How do I load my Dataset using ImageDatastore correctly ?
I tried loading my Dataset via my file path using *imageDatastore function* as stated in the code below. My Folder 'Frontal Fa...

1 year ago | 0 answers | 0

0

answers

Question


Are HOG features extracted from Training image Normalized vector??
I used *extractHOGFeatures* function to extract HOG features from Training image set. I want to know, are these extracted featur...

1 year ago | 0 answers | 0

0

answers

Question


HOW to combine either of SURF features and HOG features or Gabor and HOG?
Hello all, I am working on Low resolution Face recognition with Occlusion handling. My question is in two folds: *Questi...

1 year ago | 0 answers | 0

0

answers

Question


How do i use divideblock to split my Datasets (5,749 images) in 80-20 split to obtain training and test datasets only?
How do i use divideblock to split my Datasets (5,749 images) in 80-20 split to obtain training and test datasets only. Upon runn...

1 year ago | 1 answer | 0

1

answer

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