A homography-based visual servo control approach for an underactuated unmanned aerial vehicle in GPS-denied environments

H Zhong, Y Wang, Z Miao, L Li, S Fan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper proposes a homography-based visual servo control approach for the stabilization
of underactuated unmanned aerial vehicles in GPS-denied environments. A virtual …

Local augmented reality persistent sticker objects

J Li, LUO Linjie, R Sheth, N Xu, J Yang - US Patent 10,055,895, 2018 - Google Patents
Abstract Systems and methods for local augmented reality (AR) tracking of an AR object are
disclosed. In one example embodiment a device captures a series of video image frames. A …

Visual tracking using the sum of conditional variance

R Richa, R Sznitman, R Taylor… - 2011 IEEE/RSJ …, 2011 - ieeexplore.ieee.org
The goal of this paper is to introduce a direct visual tracking method based on an image
similarity measure called the sum of conditional variance (SCV). The SCV was originally …

Animated stickies: Fast video projection mapping onto a markerless plane through a direct closed-loop alignment

S Kagami, K Hashimoto - IEEE transactions on visualization …, 2019 - ieeexplore.ieee.org
This paper presents a fast projection mapping method for moving image content projected
onto a markerless planar surface using a low-latency Digital Micromirror Device (DMD) …

Local augmented reality persistent sticker objects

J Li, LUO Linjie, RB Sheth, N Xu, J Yang - US Patent 10,748,347, 2020 - Google Patents
Abstract Systems and methods for local augmented reality (AR) tracking of an AR object are
disclosed. In one example embodiment a device captures a series of video image frames. A …

A geometric particle filter for template-based visual tracking

J Kwon, HS Lee, FC Park… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
Existing approaches to template-based visual tracking, in which the objective is to
continuously estimate the spatial transformation parameters of an object template over video …

Direct visual servoing: Vision-based estimation and control using only nonmetric information

G Silveira, E Malis - IEEE Transactions on Robotics, 2012 - ieeexplore.ieee.org
This paper addresses the problem of stabilizing a robot at a pose specified via a reference
image. Specifically, this paper focuses on six degrees-of-freedom visual servoing …

Laps-localisation using appearance of prior structure: 6-dof monocular camera localisation using prior pointclouds

AD Stewart, P Newman - 2012 IEEE International Conference …, 2012 - ieeexplore.ieee.org
This paper is about pose estimation using monocular cameras with a 3D laser pointcloud as
a workspace prior. We have in mind autonomous transport systems in which low cost …

A dense and direct approach to visual servoing using depth maps

C Teuliere, E Marchand - IEEE Transactions on Robotics, 2014 - ieeexplore.ieee.org
This paper presents a novel 3-D servoing approach using dense depth maps to perform
robotic tasks. With respect to position-based approaches, our method does not require the …

Vision-based proximity detection in retinal surgery

R Richa, M Balicki, R Sznitman… - IEEE Transactions …, 2012 - ieeexplore.ieee.org
In retinal surgery, surgeons face difficulties such as indirect visualization of surgical targets,
physiological tremor, and lack of tactile feedback, which increase the risk of retinal damage …