# Bibhu Prasad Das

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**Content Feed**

Question

Classification of data from a .csv file.

I have a csv file which contains some values which are both infected non infected data, and I want to select top 20 infected fea...

5 years ago | 0 answers | 0

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answersQuestion

how can I use fuzzy c means clustering and membership function instead of threshold?

Lets say I want to detect a moving object in 20 frames, I will perform difference of frames and apply a threshold to the differe...

5 years ago | 0 answers | 0

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answersQuestion

How can I apply fuzzy C-means clustering to a difference of two frames and apply membership value to it and group pixels to foreground or background?

How can I apply fuzzy C-means clustering to a difference of two frames and apply membership value to it and group pixels to for...

5 years ago | 0 answers | 0

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answersQuestion

I want to print bar graphs of different color in same graph and with less width.

clc; clear all; x = 0.5:0.125000:1; y = [0.5584 0.6661 0.7780 0.8000 0.8050]; figure; p1=bar(x,y,'stacked') hold on; set(...

5 years ago | 1 answer | 0

### 1

answerQuestion

If I have got one blob and one triangle taken from an image, how can I detect these from the original image?

If I have got one blob and one triangle taken from an image, how can I detect these from the original image?

5 years ago | 1 answer | 0

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answerQuestion

How can I remove motion blur from an image taken by a camera in motion?

motion blur

5 years ago | 1 answer | 0

### 1

answerQuestion

How can I apply fuzzy membership function in video processing ?

How can I apply fuzzy membership function in video processing ? After I make clustering then how can I proceed to assigning memb...

5 years ago | 0 answers | 0

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answersQuestion

what is the significance of learning rate parameter in running average background update procedure?

background(g,h)=(1-alpha)*background_frame(g,h)+alpha*current_frame(g,h); alpha is the learning rate parameter, chosen betwe...

5 years ago | 0 answers | 0

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answersQuestion

I want to find out SVD of a 7X7 matrix(small block of an frame) for frames in temporal direction.

I want to find out SVD of a block, of a frame in temporal direction but I am getting error"Undefined function 'svd' for input ar...

5 years ago | 1 answer | 0

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answerQuestion

I have a 3D array of size 1x1x240, where each cell consist of 3x1 matrix, I want to plot all the first element present in each cell for 240 cells .

I have a 3D array of size 1x1x240, where each cell consist of 3x1 matrix, I want to plot all the first element present in each c...

5 years ago | 1 answer | 0

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answerQuestion

How can I write a matlab script for median filter in temporal domain?

I want to implement median filter on my results, I used to the predefined function "medfilt2" in matlab but it is not showing an...

5 years ago | 2 answers | 0

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answersQuestion

How can I apply median filter in temporal direction, if I am working on foreground detection using background subtraction ? And also how can I remove ghost effect from my resultant binary image?

I want to remove ghost effect from binary image

5 years ago | 1 answer | 0

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answerQuestion

I am performing a background subtraction algorithm, my results are bit noisy and ghost effect came into picture, how can I remove the ghost effect and noise from the binary image

I am performing a background subtraction algorithm, my results are bit noisy and ghost effect came into picture, how can I rem...

5 years ago | 1 answer | 0

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answerQuestion

I am trying to find out performace metrics of an binary image, but I'm getting this error message : Assignment has more non-singleton rhs dimensions than non-singleton subscripts inline no.36

Recall = 0; %# TP / (TP + FN) Precision = 0; %# TP / (TP + FP) Fscore = 0; %# 2*(Precision*Recall)/(Precision+Recall) ...

5 years ago | 2 answers | 0