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Questions tagged [robotics]

Robotics is the branch of technology that deals with the design, construction, operation, structural disposition, manufacture and application of robots. Robotics is related to the sciences of electronics, engineering, mechanics, and software. You may also consider asking your question on *robotics* Stack Exchange: https://robotics.stackexchange.com/.

Robotics is the branch of technology that deals with the design, construction, operation, structural disposition, manufacture and application of robots and computer systems for their control, sensory feedback, and information processing.

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Use machine learning for simple robot control

I'd like to improve my little robot with machine learning. Up to now it uses simple while and if then decisions in its main function to act as a lawn mowing robot. My idea is to use SKLearn for that purpose. Please help me to find the right first…
Bernd Gewehr
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GUI Button hold down - tkinter

I'm trying to do a GUI in python to control my robotic car. My question is how I do a function that determine a hold down button. I want to move the car when the button is pressed and held down and stop the car when the button is released. from…
kiri_23
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How would I implement a particle filter for vision tracking?

So I just did sebsastian thrun's course on AI. In there, he mentions how to build a particle filter for tracking a moving xy robot based on heading theta and forward movement. The code is…
power2
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Error libraries Raspbian with GoPiGo

I am working on a GoPiGo and i'm trying to make this robot to move when the camera detect a circle. The mainly problem i have here is that when i try to use the gopigo library in order to use functions as fwd(),stop(), etc, if i do NOT use sudo in…
Dave
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Factors to find weight painting formula for Auto-Rigging

I'm trying to re-implement Auto-rigging for human skeletons. (similar to Blender and Mixamo's) For each vertex in the human skin, I've to find the joints that affect this vertex. (I could do this.) Now I've to find how much each joint should affect…
user2050644
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KRL: Length of an array

In KUKA Robot Language (KRL), is it possible to get the length of an array, or alternatively, is there a way to loop through all the values in an array? Currently I store the array length in a separate variable and do it like this: ; In the DAT…
Miikka
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iPhone as a robot controller

I have successfully used Pocket PCs in the past (using the serial port) to control simple robots (small rovers). Looking around here and on Apple's developer website, it seems that starting on 3.0, they do allow applications to communicate (and even…
Padu Merloti
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Balancing robot PID tuning

I'm trying to build a two-wheeled balancing robot for fun. I have all of the hardware built and put together, and I think I have it coded as well. I'm using an IMU with gyro and accelerometers to find my tilt angle with a complimentary filter for…
Steven McConnon
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Object distance to camera, using opencv

I want to estimate the distance of an object to my camera. This must be using Opencv. I read that I have to use 2 cameras in stead of one and I found some code with Matlab, but I don't have any experience in it. Any help will be appreciated.
Houssam Badri
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Algorithm, tool or technique to represent 3D probability density functions on space

I'm working on a project with computer vision (opencv 2.4 on c++). On this project I'm trying to detect certain features to build a map (an internal representation) of the world around. The information I have available is the camera pose (6D vector…
ButterDog
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How to properly set projection and modelview matrices in OpenGL using camera parameters

I have a set of points (3D) taken from a range scanner. Sample data can be found here: http://pastebin.com/RBfQLm56 I also have the following parameters for the scanner: camera matrix [3871.88184, 0, 950.736938; 0, 3871.88184, 976.1383059999999; …
mrkulk
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Find Distance between barcode and camera?

Is it possible to find the distance between the detected qr bar code (square) and the camera, if the size of the actual bar code and the (x,y) of all the corners of the bar code detected by the camera are known? I want the method to work even if…
Ravdeep Johar
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how to recognise a zebra crossing from top view using opencv?

you can get all the details about the problem from this pdf document: www.shaastra.org/2013/media/events/70/Tab/422/Modern_Warfare_ps_v1.pdf how to recognize a zebra crossing from top view using opencv ?? it is not a straight zebra crossing it has…
user1929880
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detecting lump region in a 2D array

in the 2D array plotted below, we are interested in finding the "lump" region. As you can see it is not a continuous graph. Also, we know the approximate dimension of the "lump" region. A set of data are given below. First column contains the y…
Waterfr Villa
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iPhone Robotics Visual-SLAM algorithm implementation

I have a tracked robot with an iPhone for brains. It has two cameras - one from iPhone, another a standalone camera. The phone has GPS, gyroscope, accelerometer and magnetometer with sensor fusion separating user-induced acceleration from gravity.…
Alex Stone
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