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Jason M. O'Kane [author's home page] ROS (Robot Operating System) is rapidly becoming a de facto standard for writing interoperable and reusable robot software. This book supplements ROS's own documentation, explaining how to interact with existing ROS systems and how to create new ROS programs using C++, with special attention to common mistakes and misunderstandings. The intended audience includ
RGBDSLAMv2 (beta) ... is a state-of-the-art SLAM system for RGB-D cameras, e.g., the Microsoft Kinect. You can use it to create highly accurate 3D point clouds or OctoMaps. RGBDSLAMv2 is based on the ROS project, OpenCV, PCL, OctoMap, SiftGPU and more - thanks! A journal article with a system description and performance evaluation can be found in the following publication: "3D Mapping with an RGB-
Running Environment variables By using the stacks you will be prompted to set two environment variables ROBOT and ROBOT_ENV: ROBOT, this variable is used to define which configuration of Care-O-bot or rob@work you are going to use (see full list of robots on the distribution site). Currently you can set it to: cob4-1: Care-O-bot 4 with fully actuated torso and head cob4-2: Care-O-bot 4 with fixed
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Bayesian optimization is an effective methodology for the global optimization of functions with expensive evaluations. It relies on querying a distribution over functions defined by a relatively cheap surrogate model. An accurate model for this distribution over functions is critical to the effectiveness of the approach, and is typically fit using Gaussian processes (GPs). However, since GPs scale
Algorithmist is dedicated to anything algorithms - from the practical realm, to the theoretical realm. There are also links and explanation to problemsets. Algorithmic Topics Sorting Exhaustive Search Graph Theory Dynamic Programming Greedy Computational Geometry Number Theory Data Structures View the Table of Contents. Want a problem/algorithm/section written up? Leave a note on the Algorithmist
As part of our effort to grow the Web platform and make it accessible to new devices, we are trying to reduce the Web’s dependence on Flash. As part of that effort, we are standardizing and exposing useful features which are currently only available to Flash to the entirety of the Web platform. One of the reasons why many sites still use Flash is because of its copy and cut clipboard APIs. Flash e
Transplant surgeons have started using a device that allows them to “reanimate” hearts from people who have recently died, and use the organs to save others. The “heart in a box” is a wheeled cart with an oxygen supply, a sterile chamber, and tubing to clamp onto a donor heart and keep it fed with blood and nutrients. Doctors say it may extend the time a heart can last outside the body and is lett
Deep learning can achieve outstanding results in various fields. However, it requires so significant computational power that graphics processing units (GPUs) and/or numerous computers are often required for the practical application. We have developed a new distributed calculation framework called "Sashimi" that allows any computer to be used as a distribution node only by accessing a website. We
Biped robot that does not fall. Following the UVC physics simulation, this time I applied it to the actual machine. The video outlines the movement of a robot using UVC when an external force is applied, the principle of UVC, and the hardware configuration of the robot. In addition, although it may be difficult to adjust the robot in the current version, but the source code of this robot will be r
(注記:9/13、いただいた翻訳フィードバックを元に記事を修正いたしました。) 半年ごとに”今一番ホットな”フレームワークが新たに登場しては、私たちは興奮に沸き返ります。 誇大広告を信じてはいけません。 フレームワークの寿命 はプロジェクトの成功を左右するほど重要な要素です。フレームワークを選ぶ際、テクノロジにおける多くの意思決定者は納得のいく選択をするために、コミュニティの大きさ、人気、大企業によるサポートの有無などを基準にしています。しかし実際は、こうした要素によって寿命が決まるわけではありません。 最初は勢いがあったのに、徐々に弱まり、最終的には線香花火のごとく儚く消えてしまうようなフレームワークを選んでしまうと、書き直しに無駄な時間を費やしたり、チームの士気を下げたりする原因となります。本記事は、そうした残念な結果を回避するヒントをまとめたものです。 本記事では以下のことを示したい
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