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Lidar Refresher Exam

Quiz by Jane Oliveros

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40 questions
Show answers
  • Q1

    What to mark| When the pedestrian is inside the vehicle we should mark it as pedestrian.

    Question Image
    false
    true
    True or False
    300s
  • Q2

    Is this marking correct?

    Question Image

    No, because it should be tagged with two cuboids.

    Yes, because it is verified=yes.

    No, because it should be labeled trailer as one.

    Yes, because it is a truck, tag it as one.

    300s
  • Q3

    Is this marking incorrect?

    Question Image

    No, because it is considered as car.

    Yes, it should be tag as verified=yes.

    No, it is accurate and labeled correctly.

    Yes, it should be labeled as a bike.

    300s
  • Q4

    A small electric or self-propelled vehicle, on which the person typically travels in an upright position.

    Users re-arrange answers into correct order
    Jumble
    300s
  • Q5

    Pedestrians wearing a big hat/bag/holding an umbrella should be excluded from the pedestrian cuboid.

    false
    true
    True or False
    300s
  • Q6

    Some dynamic objects may have drift points on the front or back of the object in some frames. What do we call this drift points?

    Question Image
    Users enter free text
    Type an Answer
    300s
  • Q7

    This trailer attribute defines a utility vehicle that is designed to be towed by a passenger car/truck. Mainly designed to be used to transport property/materials.

    Users enter free text
    Type an Answer
    300s
  • Q8

    This trailer attribute defines a fixed shape container trailer that cannot be changed, it is mainly used to load 'inside' of it building materials.

    Users enter free text
    Type an Answer
    300s
  • Q9

    In the intersection scenarios, in any case, the annotator receives a pre-labeled object of a vehicle that didn't move throughout the task, and the system predicts it as stationary, you will just leave it as it is.

    true
    false
    True or False
    300s
  • Q10

    Based on General Specifications, the annotators are required to fix a pre-labeled cuboid in 3 cases, except:

    If the cuboid is labeled incorrectly.

    If the cuboid is missing in some frames.

    If the cuboid does not meet the accuracy requirements (with 10% tolerance).

    If the cuboid has a correct tag from scratch.

    300s
  • Q11

    Pre-labeled cuboids that did not require a fix, will be labeled with a verified value of 'yes'

    true
    false
    True or False
    300s
  • Q12

    Pre-labeled cuboids that require a fix will be labeled with a verified value of 'yes'

    false
    true
    True or False
    300s
  • Q13

    In Moogle Fallback, any missing object with 30-40 lidar points must not be marked. Missing objects with fewer points should be marked.

    false
    true
    True or False
    300s
  • Q14

    In Moogle Fallback, the MINIMUM object LiDAR points to consider is a group of LiDAR points that are roughly between _________ points.

    30-40

    10-30

    40-50

    20-30

    300s
  • Q15

    If 10% or less of the objects are outside of the cuboids, the accuracy error is considered minor, and the cuboid needs to be fixed.

    false
    true
    True or False
    300s

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