Optical flow based navigation for a VTOL UAV - Bruno HÃ©rissÃ©

Optical flow based navigation for a VTOL UAV - Bruno HÃ©rissÃ©

environment, using a minimal sensor suite. In this context, the typical sensor suite embedded on a light weight VTOL. UAV consists of an Inertial. Measurement ...

A general optical flow based terrain-following strategy for a VTOL UAV

using additional information provided by an embedded IMU for derotation of the flow. The terrain is assumed to be made of a concatenation of planar surfaces.

A general optical flow based terrain- following strategy ... - Bruno HÃ©rissÃ©

10. Controller for terrain following. UAV dynamics. Average optical flow in any directions. +. "derotation". State: Page 11. 11. Corner avoidance ! Page 12. 12.

Intraoperative optical flow based tremor evaluation - a feasibility study

2Centre Hospitalier Universitaire de Clermont-Ferrand, Image-Guided Clinical Neurosciences and Connectomics. (EA 7292, IGCNC) ... median filter. Statistical ...

Microcontroller Systems for a UAV

Dec 9, 2002 - Oral presentation: 4th December 2002 ... Auto Piloting and Camera Trigger System ..... from analogue to digital signal levels. .... solution consisting of a servo-lever pushing down the trigger button. ... through the same communication

Microcontroller Systems for a UAV

Dec 9, 2002 - A compiler for a high level language helps to ...... C8. 10 uF, electrolytic. R2-R4. 10 kΩ. S1-S3. Button (normally open). R1. Trim-potentiometer.

Development and Navigation of an Autonomous UAV

Vision system for recognition of the marker and house entrances. For this purpose ...... indicates that it is serving at the IP address 192.168.1.101. Then the. 88 ...

Nanotube-based systems for broadband optical limiting

[14] E.W. Van Stryland, S.S. Yang, F.E. Hernandez, V. Dubikovsky, W. Shensky, D.J. Hagan,. Nonlinear Opt. 27 (2001) 181. [15] N. Izard, C. MÃ©nard, D. Riehl, ...

Flow Control with Pitching Motion of UAV using MEMS Flow

2ch (onboard). Accelerometer. 3ch (onboard). 3ch (onboard). Geomagnetism sensor. 1ch. 1ch (onboard). GPS. 1ch. Enable (UART). Rotary encoder input. 1ch.

Real-Time Quantized Optical Flow

band is special because it actually presents two high-contrast edges instead of just one, and is ..... plate matching and block-matching. In Parallel Architectures.

a Prolog based approach - Bruno Dillenseger

every resource of the system (hardware, software, user) by agents. ... services, they need a guide to find the most relevant services for their current tasks. This help requires ... described through a distributed meeting room reservation service. 2.

a Prolog based approach - Bruno Dillenseger

Computer Supported Cooperative Work: automatic circulation of electronic documents. (workflow) in CIDRE [4], cooperative editing (groupware)... As a result, we ...

A nonlinear terrain-following controller for a VTOL Unmanned

approach ensures terrain following and guaranties the vehicle does not collide ... environments, to name only a few of the possibilities. There are also ... Univ., ACT, 0200. Australia .... have three components, flow in the two planar directions, an

A terrain-following control approach for a VTOL

Autonomous Robots manuscript No. ... avoidance Â· Nonlinear control Â· Aerial Robotic Vehicle. ... are also many indoors applications such as inspection of.

A terrain-following control approach for a VTOL

for derotation of the flow. The terrain is approximated by a concatenation of planar surfaces. Lyapunov anal- ysis is used to prove almost global asymptotic stabil-.

Postural Responses to Two Technologies for Generating Optical Flow

173). Seven participants were female and eight participants were male. The participants all reported that they had no history of vestibular disease or malfunction.

Optical Flow Estimation for 3D Reconstruction. - Antoine Serrurier

4.1.1 Theory . .... School of Management and Languages. School of Textiles and ... ( Advanced MAnipulation for DEep Underwater Sampling ) had been a major.

Real-Time Quantized Optical Flow - Science Direct

real robotic vision tasks are robustness in real-world, un- controlled ... accuracy as defined for a specific task. Simplicity is desirable ... flow field tends to be relatively smooth, without requiring ... algorithm's 'winner-take-all' nature does

SIFT-BASED SEQUENCE REGISTRATION AND FLOW-BASED

the anatomical image we use flow information, enhanced by ... Our method can be described by the following steps: 1. .... Using the same structure tensor for-.

STUDY OF A PROPULSION SYSTEM FOR A MINI UAV. MUDRONE

The coaxial rotor seems to be the best choice for a VTOL. UAV in light of ... UAV will essentially be in charge of surveillance missions. The final ... energy by weight unit (cf. table2). .... choosing profiles, then calculating optimal size paramete

Fiber-Lens-based Module for Optical Recording Applications

facilitate laser-to-fiber coupling in optical communication systems.1â3) We have ... microlens and the spinning disk, and (3) low numerical aperture (NA) of the fiber lens ... In this case, the intensity of the incoming beam is expanded over the ..

A fluoroscopy-based surgical navigation system ... - Gongli Wang PhD

The lack of intraoperative control of the mechanical axis of the affected limb often results in .... and now consists of following computer assisted steps: (1) fixation.

Analytical Initialization of a Continuation-Based ... - Bruno HÃ©rissÃ©

sents an optimal control problem, whose aim consists in finding a control law enabling the vehicle to join a final point of the 3D space considering prescribed ...

M ap-based navigation in mobile robots: I. A

Path planning, the process of choosing a course of. 2. ... of the literature on navigation in animals and humans a situation. In this case, any ... goal is therefore to provide elements about localiza-. â¢ A metric ...... Proceedings of the sixth in

Optical flow based navigation for a VTOL UAV - Bruno HÃ©rissÃ©

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