Ahmad Shaik

6 Questions 4 Answers 0 Followers

Questions related from Ahmad Shaik

How do interpolation based data hiding techniques provide security to the secret data?

I am working on interpolation based data hiding technique. These techniques generally hides secret data in the newly calculated pixels and keep the original pixels intact. And if the algorithm...

26 April 2018 920 4 View

In Integer wavelet transforms if a transform refereed as 9/7-M, what is the meaning of M?

I have found some integer wavelet transforms whose names are like analysis filter coefficients/ synthesis filter coefficients. And some represented as analysis filter coefficients/ synthesis...

07 March 2018 2,729 2 View

How to calculate or estimate robustness of an reversible data hiding algorithm?

I have implemented an image based RDH algorithm using histogram shifting. I am getting a decent embedding capacity and good visual quality marked images. As I know the three main characteristics...

12 April 2017 7,273 2 View

What are the best alternatives to contour detection?

I am working on contour detection based object detection approaches. But all the contour detection techniques are highly influenced by the image noise and the environmental conditions. I wanted...

01 January 1970 9,212 5 View

Reading PDF417 bar-codes from the image

I am working on bar-code (PDF417) detection and recognition from a stack of boxes. The size of the bar-codes are relatively very small as compared to the Boxes. If I place the camera very near to...

01 January 1970 7,742 1 View

What are the best IP cameras to perform real-time video based OCR?

I am working on a problem where I need to read label number of a box when it is moving across to the camera. Currently, I am using an HIK VISION 4MP 12mm IP camera at 1/100s exposure. But the...

01 January 1970 6,658 1 View