VP 2020 - Localization

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What does Localization mean in terms of Autonomous Vehicle (AV)? *

1 point

The AV can determine its precise relationship to all of the elements on the map

The AV can switch its system language automatically according to the country where it resides

The AV can understand human language

The AV know exactly where is it in the world

Required

Why does using GPS is not enough for self-driving car? *

1 point

Its accuracy is far too imprecise for self-driving car

Cyber security issue

Low frequency update

Poor perfomance in urban area and canyons

Required

Pick the correct answers regarding "localization approaches" in Autonomous Driving: *

1 point

GNSS RTK

LiDAR Localization

Inertial Navigation

Visual Localization

Required

GPS was made up of these parts except: *

1 point

Satellites

Receivers

Microcontroller

Control Stations

How much time does it take for GPS to give an update? *

1 point

1 Hertz (1 update per second)

10 Hertz (10 updates per second)

100 Hertz (100 updates per second)

1000 Hertz (1000 updates per second)

Kalman Filter is an iterative process that follows a two-step: predict and update. Why is it suitable for Autonomous Vehicle prediction? *

1 point

The prediction process required historical data to compute the next state

Computationally very fast making it well suitable for real-time problems

There is no need for the historical data as it predicts the next state based on the previous state only

Even if the environment has lots of noise/error/uncertainty occurs, it will give a good result using Gaussian distribution.

Required

What is the most widely used GNSS system over the world? *

1 point

GPS

Galileo

GLONASS

BeiDou

Which statements are correct regarding the combination of GPS and IMU (Inertial Measurement Unit) for localization? *

1 point

GPS corrects for IMU motion errors

IMU corrects for GPS motion errors

IMU compensates for the low update frequency of GPS

GPS compensates for the low update frequency of IMU

Required

Which statements are correct regarding the LiDAR Localization? *

1 point

The major advantage of LiDAR localization is the easiness of constructing HD Maps and keeping them up-to-date

The main disadvantage of LiDAR localization is a weak performance when utilizing HD maps and working sensors.The main disadvantage of LiDAR localization is a weak performance when utilizing HD maps and working sensors

The major advantage of LiDAR localization is robustness, that means we should always be able to localize the AV with the help of HD maps and a working sensor

The main disadvantage is the difficulty of constructing HD Maps and keeping them up-to-date

Required

Select the correct statements regarding NDT (Normal Distribution Transform): *

1 point

A technique which transforms a raw point cloud into a grid-based representation

It provides a compact form for representing the point cloud-based localization

It addresses the uncertainty in data and more robust to noisy data

A technique which transforms a grid-based cell into a point cloud representation

Required

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