Other Items for Tables

Following classes are sub items composed of each schema tables.

SampleData

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FileFormat

Bases: str, Enum

An enum to represent file formats.

Attributes:

• JPG –

  JPG format for image data.

• PNG –

  PNG format for image data.

• PCD –

  PCD format for pointcloud data.

• BIN –

  BIN format.

• PCDBIN –

  PCD.BIN format for pointcloud data.

is_member staticmethod

is_member(item)

Indicate whether the input item is the one of members of FileFormat.

Parameters:

• item

  (str) –

  Any file format name.

Returns:

• bool –

  Return True if the item is included.

values staticmethod

values()

Return a list of values of members.

Returns:

• list[str] –

  List of values.

as_ext

as_ext()

Return the value as file extension.

Returns:

• str –

  File extension.

SensorModality

Bases: str, Enum

An enum to represent sensor modalities.

Attributes:

• LIDAR –

  Lidar sensor.

• CAMERA –

  Camera sensor.

• RADAR –

  Radar sensor.

VisibilityLevel

Bases: str, Enum

An enum to represent visibility levels.

Attributes:

• FULL –

  No occlusion for the object.

• MOST –

  Object is occluded, but by less than 50%.

• PARTIAL –

  Object is occluded, but by more than 50%.

• NONE –

  Object is 90-100% occluded and no points/pixels are visible in the label.

• UNAVAILABLE –

  Visibility level is not specified.

from_value classmethod

from_value(level)

Load member from its value.

rank

rank()

Return an integer rank for comparison (higher is more visible).

is_comparable

is_comparable()

Return True if the visibility level has a defined rank.

RLEMask

A dataclass to represent segmentation mask compressed by RLE.

Attributes:

• size (list[int, int]) –

  Size of image ordering (width, height).

• counts (str) –

  RLE compressed mask data.

decode

decode()

Decode segmentation mask.

Returns:

• NDArrayU8 –

  Decoded mask in shape of (H, W).

ShiftState

Bases: str, Enum

An enum to represent gear shift state.

IndicatorState

Bases: str, Enum

An enum to represent indicator state.

Indicators

A dataclass to represent state of each indicator.

Attributes:

• left (IndicatorState) –

  State of the left indicator.

• right (IndicatorState) –

  State of the right indicator.

• hazard (IndicatorState) –

  State of the hazard lights.

AdditionalInfo

A dataclass to represent additional state information of the ego vehicle.

Attributes:

• speed (float | None) –

  Speed of the ego vehicle.

Sensor

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SensorModality

Bases: str, Enum

An enum to represent sensor modalities.

Attributes:

• LIDAR –

  Lidar sensor.

• CAMERA –

  Camera sensor.

• RADAR –

  Radar sensor.

ObjectAnn/SurfaceAnn

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RLEMask

A dataclass to represent segmentation mask compressed by RLE.

Attributes:

• size (list[int, int]) –

  Size of image ordering (width, height).

• counts (str) –

  RLE compressed mask data.

decode

decode()

Decode segmentation mask.

Returns:

• NDArrayU8 –

  Decoded mask in shape of (H, W).

Visibility

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VisibilityLevel

Bases: str, Enum

An enum to represent visibility levels.

Attributes:

• FULL –

  No occlusion for the object.

• MOST –

  Object is occluded, but by less than 50%.

• PARTIAL –

  Object is occluded, but by more than 50%.

• NONE –

  Object is 90-100% occluded and no points/pixels are visible in the label.

• UNAVAILABLE –

  Visibility level is not specified.

from_value classmethod

from_value(level)

Load member from its value.

rank

rank()

Return an integer rank for comparison (higher is more visible).

is_comparable

is_comparable()

Return True if the visibility level has a defined rank.

VehicleState

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ShiftState

Bases: str, Enum

An enum to represent gear shift state.

IndicatorState

Bases: str, Enum

An enum to represent indicator state.

Indicators

A dataclass to represent state of each indicator.

Attributes:

• left (IndicatorState) –

  State of the left indicator.

• right (IndicatorState) –

  State of the right indicator.

• hazard (IndicatorState) –

  State of the hazard lights.

AdditionalInfo

A dataclass to represent additional state information of the ego vehicle.

Attributes:

• speed (float | None) –

  Speed of the ego vehicle.