Demons based tracking for non-rigid transformed Region of Interest

Kumar, Abhinav; Rao, B. Madhusudan; Ghole, Rajesh; Patil, Aniket; Ghatpande, Nilesh

doi:10.1109/tencon.2011.6129117

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2013

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“…In our previous paper 6 , we have successfully demonstrated the use of demon based technique for tracking an ROI in video sequence. In our current paper, we refine our earlier work by considering the entire image and using a multi-resolution approach for calculating the displacement field.…”

Section: Introductionmentioning

confidence: 99%

Multiple Region of Interest Tracking of Non-Rigid Objects Using Demon's Algorithm

Pillai¹,

Mohan²,

Patil³

2013

Computer Science &Amp; Information Technology ( CS &Amp; IT )

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In this paper we propose an algorithm for tracking multiple ROI (region of interest) undergoing non-rigid transformations. Demon's algorithm based on the idea of Maxwell's demon, has been applied here to estimate the displacement field for tracking of multiple ROI. This algorithm works on pixel intensities of the sequence of images thus making it suitable for tracking objects/regions undergoing non-rigid transformations. We have incorporated a pyramid-based approach for demon's algorithm computations of displacement field, which leads to significant reduction in the convergence speed and improvement in the accuracy. This algorithm is applied for tracking non-rigid objects in laproscopy videos which would aid surgeons in Minimal Invasive Surgery (MIS).

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Section: Introductionmentioning

confidence: 99%