Shape quantization and recognition with randomized trees
Neural Computation
Machine Learning
IEEE Transactions on Pattern Analysis and Machine Intelligence
Distinctive Image Features from Scale-Invariant Keypoints
International Journal of Computer Vision
Randomized Trees for Real-Time Keypoint Recognition
CVPR '05 Proceedings of the 2005 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'05) - Volume 2 - Volume 02
Online Selection of Discriminative Tracking Features
IEEE Transactions on Pattern Analysis and Machine Intelligence
An iterative image registration technique with an application to stereo vision
IJCAI'81 Proceedings of the 7th international joint conference on Artificial intelligence - Volume 2
A probabilistic framework for tracking deformable soft tissue in minimally invasive surgery
MICCAI'07 Proceedings of the 10th international conference on Medical image computing and computer-assisted intervention
Endoscopic navigation for minimally invasive suturing
MICCAI'07 Proceedings of the 10th international conference on Medical image computing and computer-assisted intervention
Machine learning for high-speed corner detection
ECCV'06 Proceedings of the 9th European conference on Computer Vision - Volume Part I
Gaze-Contingent soft tissue deformation tracking for minimally invasive robotic surgery
MICCAI'05 Proceedings of the 8th international conference on Medical Image Computing and Computer-Assisted Intervention - Volume Part I
Control of articulated snake robot under dynamic active constraints
MICCAI'10 Proceedings of the 13th international conference on Medical image computing and computer-assisted intervention: Part III
MICCAI'10 Proceedings of the 13th international conference on Medical image computing and computer-assisted intervention: Part III
Motion compensated SLAM for image guided surgery
MICCAI'10 Proceedings of the 13th international conference on Medical image computing and computer-assisted intervention: Part II
Robust 3d visual tracking for robotic-assisted cardiac interventions
MICCAI'10 Proceedings of the 13th international conference on Medical image computing and computer-assisted intervention: Part I
Real-time image composition of bladder mosaics in fluorescence endoscopy
Computer Science - Research and Development
Real-Time methods for long-term tissue feature tracking in endoscopic scenes
IPCAI'12 Proceedings of the Third international conference on Information Processing in Computer-Assisted Interventions
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Accurate estimation and tracking of dynamic tissue deformation is important to motion compensation, intra-operative surgical guidance and navigation in minimally invasive surgery. Current approaches to tissue deformation tracking are generally based on machine vision techniques for natural scenes which are not well suited to MIS because tissue deformation cannot be easily modeled by using ad hoc representations. Such techniques do not deal well with inter-reflection changes and may be susceptible to instrument occlusion. The purpose of this paper is to present an online learning based feature tracking method suitable for in vivoapplications. It makes no assumptions about the type of image transformations and visual characteristics, and is updated continuously as the tracking progresses. The performance of the algorithm is compared with existing tracking algorithms and validated on simulated, as well as in vivocardiovascular and abdominal MIS data. The strength of the algorithm in dealing with drift and occlusion is validated and the practical value of the method is demonstrated by decoupling cardiac and respiratory motion in robotic assisted surgery.