Haris Ahmad Khan

14 Questions 35 Answers 0 Followers

Questions related from Haris Ahmad Khan

[Resolved] Correction of keystone distortion in line scan hypesprectral imaging?

Hi, While using the HySpex camera, I am facing the problem of Keystone distortion across the scan line. Although I am using the camera for close range imaging, this is a well-known problem in...

10 October 2017 1,313 7 View

How can mutual saliency be calculated by using normalized mutual information 2 images?

In the paper by Le Moan et al. "Saliency for Spectral Image Analysis" , Mutual Saliency term is used. I am confused that how to write it's complete MATLAB code and what do the results exactly...

12 December 2014 2,809 4 View

Guidance Required for Writing PhD Research Proposal?

I Need guidance for writing PhD Research proposal in the field of Digital Image Processing. I worked on Detection & Visualisation of Remote Sensing Hyperspectral Images and I need...

11 November 2014 9,023 4 View

How can PCA be applied on a vector and how are the results are interpreted?

For example, if there is a 200 x 1 vector, I want to find the first 3 PCs, and know what they actually represent theoretically. This question is particularly related to finding PCs of...

10 October 2014 5,651 15 View

How can mutual information in images be presented quantitatively?

I need a measure which results in 0 or 100 if 2 RGB images being tested are same, and give different value if there is some dissimilarity in them. The number should represent mutual information.

10 October 2014 1,434 5 View

How to represent image with salient areas being highlighted?

It's rather related to representation of image. After detecting salient regions, how image can be visualized with salient areas being highlighted in different color.

09 September 2014 2,438 3 View

Is there any publicly available Hyperspectral data-set which can be used for detection of hidden/ camouflaged objects like tanks, mines etc?

Hyperspectral data available for public is limited and I am unable to find any data for the purpose mentioned above. Any help will be greatly appreciated.

09 September 2014 1,635 5 View

How can Color Matching Function (CMF) be enhanced?

In the paper "Design Goals and solutions for display of hyperspectral images" by N.Jacobson, a method for enhancing CIE_1931 CMF beyond visible range is described but I am not sure how it can be...

08 August 2014 9,863 2 View

How is color mapping in YxY color space done?

There is pre-defined color mapping in Yxy color space but I want to manually assign color in xy plane. How this can be done using MATLAB?

07 July 2014 6,079 10 View

Is MATLAB the code of this research paper "Visual Saliency Based on Scale-Space Analysis in the Frequency Domain"?

Is MATLAB the code of the research paper mentioned above,and is it available on internet, or has someone tried to implement it?

05 May 2014 1,251 3 View

In a set of images, how can some particular area from each image be selected as salient, based on entropy?

If there are multiple salience maps obtained as a result of different threshold operations, how can final results be obtained for each object in the image based on entropy?

05 May 2014 9,749 3 View

How can you apply PCA on a hyperspectral image in MATLAB and how can the results can be validated?

There is much theory on it but I want to know the difference in applying PCA on bands or on voxels.

04 April 2014 8,093 2 View

What can be the possible ethical issues in multi-spectral imaging?

I am working on illuminant estimation in multispectral images. As part of my work, I have to write 2 papers on ethical aspects related to research in multispectral images. I am looking forward for...

01 January 1970 8,923 0 View

How to implement the spectral sharpening in MATLAB?

I am trying to implement the sensor based sharpening, as proposed by Graham D. Finlayson, Mark S. Drew, and Brian V. Funt, "Spectral sharpening: sensor transformations for improved color...

01 January 1970 2,434 1 View