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maha lakshmi


Active since 2013

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Professional Interests: image processing

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Answered
I want a MATLAB code that will resize a given image into 50x50 image
>> x1 =imread('pears.jpeg'); >> x =imresize(x1,[50 50]); %see your answer in workspace

7 years ago | 1

Question


How to display all values in import wizard?
Hi, I have features of size <432*1> while opening the .m file it was truncated to 256 only. how to get the preview of all ...

11 years ago | 0 answers | 0

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answers

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How to convert mat file size?
Hi, I have calculated the features of size <432*1> and has 3456 bytes but while saving feature vector of many images as se...

11 years ago | 1 answer | 0

1

answer

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concatenation of mat files of different sizes
Hi, I have 600 .mat files of different sizes of 3KB,2KB,but it has same number of rows and columns(features<432*1>) while conc...

11 years ago | 0 answers | 0

0

answers

Question


How to retrieve image based on Euclidean distance?
Hi, I have calculated the Euclidean distance between Query image and images in the Database and sorted it.I have to retrieve th...

11 years ago | 1 answer | 0

1

answer

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How to set threshold?
Hi, I have calculated the euclidean distance between the query image and 1000 images in the database.I have to display the top ...

11 years ago | 1 answer | 0

1

answer

Question


How to store all values resulting from loop
Hi, Here disp(k1) gives all the values resulting from the for loop.But it store only the last value.How do I store all the valu...

11 years ago | 1 answer | 0

1

answer

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How to display an image from output value?
Hi, I have A=37 after some process and I need to display '37.jpg' which is present in my database.I gave imshow('A.jpg').But i...

11 years ago | 1 answer | 0

1

answer

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How to store E_dist?
I have calculated the Euclidean distance between a query image and images in the database and stored it in a array named as E_di...

11 years ago | 0 answers | 0

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Question


Conversion to double from struct is not possible
I am trying to concatenate (1080 *1)features for 1000 images.I have tried the following code but it shows error as Conversion to...

11 years ago | 2 answers | 0

2

answers

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how to find euclidean distance
I have calculated 1080 features for the image using 2d-dual tree discrete wavelet transform(the features include energy, entropy...

11 years ago | 1 answer | 0

1

answer

Question


12 directional wavelets in dtdwt
dwt has 3 directional wavelets(vertical,horizantal,diagonal)but Dual tree dwt has 12 directional wavelets(6 for real , 6 for ima...

12 years ago | 0 answers | 0

0

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concatenation of multiple .mat file into one matrix
sir,I have calculated the feature vector for 1000 images,my feature vector size for one image is &lt;1x120>,how to concatenate 1...

12 years ago | 2 answers | 0

2

answers

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content based image retrieval
sir,in content based image retrieval I have applied 2d dual tree discrete wavelet transform to 1000 images in my database and ex...

12 years ago | 1 answer | 0

1

answer

Question


how to calculate entropy of subband?
I have a code for 2d dual tree discrete wavelet transform please help me how to calculate entropy of subband of a image.

12 years ago | 1 answer | 0

1

answer

Question


how to calculate energy of subband?
I have a code for dual tree 2D,in that i want to calculate energy and entropy for each sub band ,please help how to calculate en...

12 years ago | 0 answers | 0

0

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how to make the input signal X to a double-precision vector.
The input signal X must be a double-precision vector.

12 years ago | 0 answers | 0

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answers

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how to solve this error
i am using 2d dual tree discrete wavelet transform while running afb2d.m i got error like this Undefined function or method 'afb...

12 years ago | 0 answers | 0

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how to convert a double image into unit8 in matlab
how to convert a double image into unit8 in matlab

12 years ago | 3 answers | 0

3

answers

Question


2d dual tree dicrete wavelet transform
i am using dual tree discrete wavelet transform it is showing error as >> w = dualtree2D(x, J, Faf, af); ??? Undefined functio...

12 years ago | 1 answer | 0

1

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Question


Undefined function or variable 'FSfarras'
i am using 2d dual tree discrete wavelet transform .it says error while compiling as [Faf, Fsf] = FSfarras; ??? Undefined func...

12 years ago | 1 answer | 0

1

answer

Question


2d dual tree discrete wavelet transform
sir/madam can you please explain the basic operations of 2d dual tree discrete wavelet transform with source code and explain...

12 years ago | 0 answers | 0

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