Shrish Bajpai

15 Questions 4 Answers 0 Followers

Questions related from Shrish Bajpai

Has anybody have 1D wavelet transform & its associated inverse 1D wavelet transform ?

I have 1D array & I need to perform the 1D wavelet transform & its associated inverse transform on Matlab. Does anybody have a code of that in Matlab can share with me?

16 December 2023 2,324 1 View

For image coding (compression), the coding gain (PSNR) may be change if I use bandlet transform instead of dyadic wavelet transform ?

I am using SPECK & SPIHT as a image coders. If I apply a bandlet transform instead of the dyadic wavelet transform, there may be any change in PSNR of the coding scheme.

05 May 2020 8,086 0 View

Is there any function do perform multilevel 3D wavelet transform in matlab?

Multi Level 3D wavelet transform has been performed by function "wavedec" through the command wdec = wavedec3(X,2,'db1','mode','per'); . Is there any function to perform inverse operation or any...

30 October 2017 1,152 3 View

How to implement PCA in 3D hyperspectral dataset through matlab?

I have 3 D dataset of indian pines. It has 16 features. How to implement PCA in this.

11 May 2017 4,784 0 View

How to design the support vector machines for remote sensing applications?

I am using Indian Pines dataset available in the given weblink (mat file & ground truth file). Here there are 16 different classes (features) with number of samples. My first question is that...

14 September 2016 8,414 4 View

What is Extended Morphological Profiles in hyperspectral imaging ?

What is Extended Morphological Profiles in hyperspectral imaging. I need to apply in pavia dataset (Mat file). Detail of the file is present in the below link.

15 August 2016 3,279 1 View

Which is best algorithm for feature extraction and feature selection for hyperspectral images (dataset) ?

05 April 2016 7,886 3 View

How to extract features from hyperspectral images through statistical time series method (Singular Spectral Analysis) ?

I have pavia hyper spectral image dataset (http://www.ehu.eus/ccwintco/index.php?title=Hyperspectral_Remote_Sensing_Scenes). Here i want to know how to extract features from that through time...

01 April 2016 6,369 2 View

How to use PCA for a image?

I have a image dataset (hyperspectral) & i am using matlab as a tool. I want to implement the PCA on this hyperpspectral image dataset.

21 March 2016 8,580 7 View

Anyone know of a survey paper on the feature extraction methods for remote sensing images ?

Any one know of a survey paper on the feature extraction methods for remote sensing images ? I am working with the hyperspectral images. I need a survey paper for the same.

02 March 2016 740 3 View

How can I generate the Ground truth classes for the Pavia University scene in matlab ?

I have Pavia dataset which is available as .mat file (Available @ web http://www.ehu.eus/ccwintco/index.php?title=Hyperspectral_Remote_Sensing_Scenes). Here i want to know how to generate the...

05 December 2015 10,068 1 View

How can I exact features (classes) in a hyperspectral image dataset?

I have Pavia dataset (.mat file ; hyperspectral image) which i downloaded from "http://www.ehu.eus/ccwintco/index.php?title=Hyperspectral_Remote_Sensing_Scenes". There are classes as water, tree,...

30 November 2015 8,976 5 View

How do I define classes in pavia dataset in hyperspectral images?

I have downloaded Pavia dataset (MAT File) from "http://www.ehu.eus/ccwintco/index.php?title=Hyperspectral_Remote_Sensing_Scenes". It is mention number of classes. here with the samples. Here I...

15 November 2015 5,683 3 View

Can you help me to proceed after loading the mat file which I downloaded from "Hyperspectral Remote Sensing Scenes" ?

I have loaded the mat files of Pavia on Matlab but I am unable to go further. I tried imshow(Pavia) & imshow(pavia, []) but i am able to proceed. Please help me out.

20 March 2015 503 4 View

What is the difference between the open access journal and paid SCIE journal of computer engineering?

I want to know what is the major difference between the above-mentioned journals?

01 January 1970 2,841 3 View