Questions tagged [statistics]

A branch of mathematics dealing with the collection, organization, analysis, interpretation and presentation of data

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4
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73 views

How to derive the Time-Update equation of SLAM

I was going through the tutorial on SLAM by Hugh Durrant-Whyte and Tim Bailey† and found this Time-Update equation (equation 4 in the paper): $ P\left(\mathrm{x}_{k},\mathrm{m} | \mathrm{Z}_{0:...
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11 views

Error Distribution of Ultrasonic Distance Sensor

I am currently analysing the accuracy of an ultrasonic distance sensor: HY-SRF05 Using this sensor, I have measured the distance towards an obstacle at 5cm 10cm 15cm 20cm 25cm , where the ...
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2answers
132 views

Multiple Line Estimation

Background: I am working on a design in which an autonomous RC car implements a LIDAR sensor to navigate a course. The primary LIDAR sensor returns a 270 array of points, scanning in a line like ...
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2answers
672 views

Standard deviation calculation for a single measurement

I have a robot that takes a measurement of its current pose in the form $$ z = \begin{bmatrix} x\\ y\\ \theta \end{bmatrix} $$ $x$ and $y$ are the coordinates in $XY$ plane et $\theta$ the heading ...
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1answer
66 views

Standard Deviation from one axis to another axis

I have radar mounted on a car. For each detection, the radar returns these variables. relative distance between the object/host vehicle in forward direction standard deviation of the relative ...
6
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1answer
4k views

Angle Random Walk vs. Rate Noise Density (MPU6050)

I’ve made a datalog from a MPU6050 (IMU: gyroscope and accelerometer) at 500Hz sample rate. Now I want to calculate the characteristics from the gyro to evaluate the sensor. For the gyro I’ve found ...
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1answer
372 views

what's confidence level? and how can we use it for vehicle detection using OpenCV?

I'm working on project for the Autonomous vehicle, and i want to know what's confidence level means and how can we use confidence level for vehicle detection in OpenCV ?