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Doktor Jons Guide to The Use and Application of CCTV & IP Video - a unique resource providing information and advice on  the modern use of CCTV video surveillance
Doktor Jons Guide to The Use and Application of CCTV & IP Video - a unique resource providing information and advice on  the modern use of CCTV video surveillance

Doktor Jons guide to

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Doktor Jon's Guide to the Use and Application of CCTV & IP Video
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Stars in Its Eyes

Humanoid Robonaut “sees” with two AVT Prosilica GC2450C GigE Cameras.

Built in partnership with General Motors (GM) and the Oceaneering Space Systems of Houston, NASA’s Robonaut (R2) is the second generation of highly dexterous humanoid robot designed to work alongside humans  and execute simple, repetitive or dangerous  tasks on Earth or on board the International Space Station (ISS).

R2: The New Generation

Developed in 1997 the first generation of Robonaut (R1) was a human-like robotic assistant capable of performing simple maintenance tasks. Its successor, R2, is a fully modular, highly dexterous 300 pound vobot that consists of a head and a torso with two arms and two hands.  R2’s many technological improvements include an improved range of sensors that features two Prosilica GC2450 color cameras from Allied Vision Technologies and an Infra-Red Time-of-Flight (TOF) camera. Capable of speeds more than four times faster than R1, R2 features a total of 350 sensors (for tactile, force, position, range-finding and vision sensing) and 38 power PC processors enabling it to perform functions such as object recognition and manipulation. 

R2 is also able to react to its surroundings and operate semi-autonomously. 

Other technological improvements include optimized overlapping dual arm dexterous workspace, series elastic joint technology, extended finger and thumb travel, miniaturized 6-axis load cells, redundant force sensing, ultra-high speed joint controllers and extreme neck travel. Capable of 42 degrees of freedom (including 24 in its hands and fingers alone) R2’s dexterity allows it to use the same tools as astronauts removing the need for robot specific tools.

Real-Time Vision Recognition

R2’s vision equipment is housed inside his helmet. The system uses color, pixel intensity and texture based segmentation as well as advanced pattern recognition techniques to extract the necessary information. To simplify the procedure the system focuses on certain areas of the image using Region of Interests (ROI). ROI is a function that allows a certain portion of the available pixels to be read out from the camera resulting in a much faster frame rate and less data to be processed.  In addition, the TOF sensor data allows the background to be removed in order to focus on the object of interest (tools, boxes, etc…) Built-in classification techniques within the software are used to perform 3D and pattern-recognition functions in real-time to allow R2 to compute feasible trajectories and decide where to place its hands to execute a set of pre-determined tasks, such as opening boxes autonomously.
The software used by the system is MVtec’s Halcon 9.0. MVtec is an AVT software 
partner.

R2’s Mission

R2 underwent a series of rigorous tests prior to its launch on space shuttle Discovery on 24th February 2011. During stage 1 R2 will initially be hard-mounted and stationed in the Destiny laboratory on board the ISS where it will be monitored while executing tasks and operations similar to those performed on Earth

If successful R2 could move on to stage 2 of the mission and become mobile to perform station maintenance tasks such as vacuuming or cleaning filters. The ultimate goal is to send R2 outside the ISS to perform dangerous EVA (Extra-vehicular activity) tasks during stage 3. There are no plans to return R2 to Earth.

About Allied Vision Technologies
Founded in 1989, Allied Vision Technologies GmbH of Germany is a 100% subsidiary of the public Augusta Technologie AG. AVT designs, produces and sells cameras and components for image processing in industrial and life science applications. With innovative products, superior manufacturing quality and a service-driven organization, Allied Vision Technologies is well established as a premier provider of digital camera solutions for machine vision worldwide. Allied Vision Technologies holds 100% of Allied Vision Technologies Inc. (Newburyport, USA) and Prosilica Inc. (Vancouver, Canada).
www.alliedvisiontec.com

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