7th Workshop on the Architecture of Smart Cameras

CALL FOR CONTRIBUTIONS IN WASC 2018

7th Workshop on the Architecture of Smart Cameras

http://eunevis.org/wasc2018/

The purpose of this workshop is to provide participants with an informal setting for discussing innovative work (in progress) or ideas on academic and technical directions from machine vision on silicon to smart camera. Participants range from experts to students.

Intended outcomes of WASC should be:

- Getting to know well the people in your field

- Relevant input to your work by the sparring partners

- Viewing and understanding interesting work by others.

- More confidence in your own work

- Generating options for European (and global) collaboration and exchanges

- Setting up joint projects or joint approaches

- An opportunity to publish in a well-respected journal

- Advances for the community and the level of knowledge around smart cameras

 

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RO-MAN 2017

The 26th IEEE International Symposium on Robot and Human Interactive Communication, RO-MAN 2017, will be held in Lisbon, Portugal, from 28 to 31 of August 2017. This symposium is a leading forum where state-of-the-art innovative results, the latest developments as well as future perspectives relating to robot and human interactive communication are presented and discussed. The conference covers a wide range of topics related to Robot and Human Interactive Communication, involving theories, methodologies, technologies, empirical and experimental studies. Papers related to the study of the robotic technology, psychology, cognitive science, artificial intelligence, human factors, interaction-based robot design and other topics related to human-robot interaction are welcome.

Further information at: 

http://www.ro-man2017.org/site/node/20

ISR Mini-Explorer: Odor

 

The ISR Mini-Explorer is equipped with two odor sensors (BME680) placed outside of the cover of each wheel. Using both sensors the robot is capable to locate an odor source.

If odor is being released in an environment without wind it distributes creating a gradient towards the odor source position.

While the robot is moving in such environment it is constantly analysing the odor concentration to calculate the concentration ratio between its left and right sensors. If that ratio is between 45% and 55% the robot moves forward, if it is biased to the right the robot turns to that direction and vice versa.

The robot keeps this behaviour trying to align with the threshold until it detects an odor concentration over a set threshold where it declares that the odor source was found.

 

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LIDAR Navigation Basics

A ring of 8 LIDAR sensors has been added to the ISR Mini Explorer so that its navigation capabilities could be improved. The sensors are spaced 45 degrees from each other so that all the 360 degrees could be covered by a sensor. Each one of the LIDAR sensors can measure absolute distances from 5 centimetres up to 2 meters with 1 milimeter resolution, low deviation and have a field of view of 25 degrees. 
A decomposition of the map in 5 by 5 centimetres cells has been made. Coordinate transformations of all the cells to every sensor were calculated to find which of the cells belongs to each sensor's field of view. Then, using the Thrun solution combined with the inverse model of the sensor, the map was calculated. 
The navigation algorithm used was the Virtual Force Field algorithm [1] in which two virtual forces are calculated. The attractive force is only influenced by the destination point and its distance to the current robot coordinates. The repulsive force is influenced by all the cells in the map. The cells with higher probability of occupation contribute more to this repulsive force than the ones with lower probability. In the end, both the attractive and repulsive forces are added and the resultant vector guides the robot to its destination point.
 
 
[1] J. Borenstein and Y. Koren, "Real-time obstacle avoidance for fast mobile robots," in IEEE Transactions on Systems, Man, and Cybernetics, vol. 19, no. 5, pp. 1179-1187, Sept.-Oct. 1989 

Ultrathin electronic tattoos for wearable computing

Researchers at Carnegie Mellon University's College of Engineering are using an off-the-shelf printer to develop robust, highly flexible, tattoo-like circuits for use in wearable computing.

The low-cost process adds trace amounts of an electrically-conductive, liquid metal alloy to tattoo paper that adheres to human skin. These ultrathin tattoos can be applied easily with water, the same way one would apply a child's decorative tattoo with a damp sponge.

More Information in: https://techxplore.com/news/2018-07-ultrathin-electronic-tattoos-wearable.html

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