dcase_util.processors.OneHotLabelEncodingProcessor

class dcase_util.processors.OneHotLabelEncodingProcessor(label_list=None, focus_field='scene_label', time_resolution=1.0, length_frames=1, length_seconds=None, **kwargs)[source]

One hot label encoding processor

Constructor

Parameters

label_listlist: List of labels in correct order
focus_fieldstr: Field from the meta data item to be used in encoding
time_resolutionfloat > 0.0: Time resolution used when converting event into event roll.
length_framesint: Length of encoded segment in frames
length_secondsfloat > 0.0: Length of encoded segment in seconds

__init__(label_list=None, focus_field='scene_label', time_resolution=1.0, length_frames=1, length_seconds=None, **kwargs)[source]

Constructor

Parameters

label_listlist: List of labels in correct order
focus_fieldstr: Field from the meta data item to be used in encoding
time_resolutionfloat > 0.0: Time resolution used when converting event into event roll.
length_framesint: Length of encoded segment in frames
length_secondsfloat > 0.0: Length of encoded segment in seconds

Methods

`__init__`([label_list, focus_field, ...])	Constructor
`delimiter`([exclude_delimiters])	Use csv.sniffer to guess delimiter for CSV file
`detect_file_format`([filename])	Detect file format from extension
`empty`()	Check if file is empty
`exists`()	Checks that file exists
`get_file_information`()	Get file information, filename
`get_processing_chain_item`()	Get processing chain item with current Processor data.
`is_package`([filename])	Determine if the file is compressed package.
`load`([filename])	Load file
`log`([level])	Log container content
`process`([data, label, focus_field, ...])	Encode metadata
`save`([filename])	Save file
`show`([mode, indent, visualize])	Print container content
`to_html`([indent])	Get container information in a HTML formatted string
`to_string`([ui, indent])	Get container information in a string
`validate_format`()	Validate file format

Attributes

`bytes`	File size in bytes
`input_type`	Input data type
`logger`	Logger instance
`md5`	Checksum for file.
`output_type`	Output data type
`valid_formats`	Valid file formats