handwriting_features.features.implementation.conventional package
Subpackages
- handwriting_features.features.implementation.conventional.utils package
- Submodules
- handwriting_features.features.implementation.conventional.utils.composite module
WritingNumberOfChangesUtilsWritingNumberOfChangesUtils.fcWritingNumberOfChangesUtils.get_number_of_changes_in_azimuth()WritingNumberOfChangesUtils.get_number_of_changes_in_pressure()WritingNumberOfChangesUtils.get_number_of_changes_in_tilt()WritingNumberOfChangesUtils.get_number_of_changes_in_velocity_profile()WritingNumberOfChangesUtils.get_number_of_changes_in_x_profile()WritingNumberOfChangesUtils.get_number_of_changes_in_y_profile()WritingNumberOfChangesUtils.get_relative_number_of_changes_in_azimuth()WritingNumberOfChangesUtils.get_relative_number_of_changes_in_pressure()WritingNumberOfChangesUtils.get_relative_number_of_changes_in_tilt()WritingNumberOfChangesUtils.get_relative_number_of_changes_in_velocity_profile()WritingNumberOfChangesUtils.get_relative_number_of_changes_in_x_profile()WritingNumberOfChangesUtils.get_relative_number_of_changes_in_y_profile()WritingNumberOfChangesUtils.n
WritingStopsUtilsWritingTempoUtils
- handwriting_features.features.implementation.conventional.utils.dynamic module
- handwriting_features.features.implementation.conventional.utils.kinematic module
- handwriting_features.features.implementation.conventional.utils.spatial module
IntersectionUtilsIntersectionUtils.get_number_of_inter_stroke_intersections()IntersectionUtils.get_number_of_intra_stroke_intersections()IntersectionUtils.get_relative_number_of_inter_stroke_intersections()IntersectionUtils.get_relative_number_of_intra_stroke_intersections()IntersectionUtils.get_relative_total_number_of_intra_stroke_intersections()IntersectionUtils.get_total_number_of_intra_stroke_intersections()
ProjectionUtilsProjectionUtils.nProjectionUtils.vertical_peaks_distance()ProjectionUtils.vertical_peaks_duration()ProjectionUtils.vertical_peaks_indices()ProjectionUtils.vertical_peaks_values()ProjectionUtils.vertical_peaks_velocity()ProjectionUtils.vertical_valleys_distance()ProjectionUtils.vertical_valleys_duration()ProjectionUtils.vertical_valleys_indices()ProjectionUtils.vertical_valleys_values()ProjectionUtils.vertical_valleys_velocity()
- handwriting_features.features.implementation.conventional.utils.temporal module
- Module contents
Submodules
handwriting_features.features.implementation.conventional.composite module
- handwriting_features.features.implementation.conventional.composite.number_of_changes_in_azimuth(sample_wrapper, fs, fc=None, n=None)[source]
Returns number of changes in azimuth.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
number of changes in azimuth
- Return type
int
- handwriting_features.features.implementation.conventional.composite.number_of_changes_in_pressure(sample_wrapper, fs, fc=None, n=None)[source]
Returns number of changes in pressure.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
number of changes in pressure
- Return type
int
- handwriting_features.features.implementation.conventional.composite.number_of_changes_in_tilt(sample_wrapper, fs, fc=None, n=None)[source]
Returns number of changes in tilt.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
number of changes in tilt
- Return type
int
- handwriting_features.features.implementation.conventional.composite.number_of_changes_in_velocity_profile(sample_wrapper, fs, fc=None, n=None)[source]
Returns number of changes in velocity profile.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
number of changes in velocity profile
- Return type
int
- handwriting_features.features.implementation.conventional.composite.number_of_changes_in_x_profile(sample_wrapper, fs, fc=None, n=None)[source]
Returns number of changes in x profile.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
number of changes in x profile
- Return type
int
- handwriting_features.features.implementation.conventional.composite.number_of_changes_in_y_profile(sample_wrapper, fs, fc=None, n=None)[source]
Returns number of changes in y profile.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
number of changes in y profile
- Return type
int
- handwriting_features.features.implementation.conventional.composite.relative_number_of_changes_in_azimuth(sample_wrapper, fs, fc=None, n=None)[source]
Returns relative number of changes in azimuth.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
relative number of changes in azimuth
- Return type
int
- handwriting_features.features.implementation.conventional.composite.relative_number_of_changes_in_pressure(sample_wrapper, fs, fc=None, n=None)[source]
Returns relative number of changes in pressure.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
relative number of changes in pressure
- Return type
int
- handwriting_features.features.implementation.conventional.composite.relative_number_of_changes_in_tilt(sample_wrapper, fs, fc=None, n=None)[source]
Returns relative number of changes in tilt.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
relative number of changes in tilt
- Return type
int
- handwriting_features.features.implementation.conventional.composite.relative_number_of_changes_in_velocity_profile(sample_wrapper, fs, fc=None, n=None)[source]
Returns relative number of changes in velocity profile.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
relative number of changes in velocity profile
- Return type
int
- handwriting_features.features.implementation.conventional.composite.relative_number_of_changes_in_x_profile(sample_wrapper, fs, fc=None, n=None)[source]
Returns relative number of changes in x profile.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
relative number of changes in x profile
- Return type
int
- handwriting_features.features.implementation.conventional.composite.relative_number_of_changes_in_y_profile(sample_wrapper, fs, fc=None, n=None)[source]
Returns relative number of changes in y profile.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
fc (float, optional) – cutoff frequency for the low-pass filter, defaults to None
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
relative number of changes in y profile
- Return type
int
- handwriting_features.features.implementation.conventional.composite.writing_stops(sample_wrapper)[source]
Returns writing stops.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
writing stops
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.composite.writing_tempo(sample_wrapper, in_air)[source]
Returns writing tempo.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
writing tempo
- Return type
float
handwriting_features.features.implementation.conventional.dynamic module
- handwriting_features.features.implementation.conventional.dynamic.azimuth(sample_wrapper, in_air)[source]
Returns azimuth.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
azimuth
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.dynamic.pressure(sample_wrapper)[source]
Returns pressure.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
pressure
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.dynamic.tilt(sample_wrapper, in_air)[source]
Returns tilt.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
tilt
- Return type
numpy.ndarray or np.NaN
handwriting_features.features.implementation.conventional.kinematic module
- handwriting_features.features.implementation.conventional.kinematic.acceleration(sample_wrapper, axis, in_air)[source]
Returns acceleration.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
axis (str) – axis to compute the acceleration from
in_air (bool) – in-air flag
- Returns
acceleration
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.kinematic.jerk(sample_wrapper, axis, in_air)[source]
Returns jerk.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
axis (str) – axis to compute the jerk from
in_air (bool) – in-air flag
- Returns
jerk
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.kinematic.velocity(sample_wrapper, axis, in_air)[source]
Returns velocity.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
axis (str) – axis to compute the velocity from
in_air (bool) – in-air flag
- Returns
velocity
- Return type
numpy.ndarray or np.NaN
handwriting_features.features.implementation.conventional.spatial module
- handwriting_features.features.implementation.conventional.spatial.number_of_inter_stroke_intersections(sample_wrapper)[source]
Returns number of inter-stroke intersections.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
number of inter-stroke intersections
- Return type
int
- handwriting_features.features.implementation.conventional.spatial.number_of_intra_stroke_intersections(sample_wrapper)[source]
Returns number of intra-stroke intersections.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
number of intra-stroke intersections
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.relative_number_of_inter_stroke_intersections(sample_wrapper)[source]
Returns relative number of inter-stroke intersections.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
relative number of inter-stroke intersections
- Return type
float
- handwriting_features.features.implementation.conventional.spatial.relative_number_of_intra_stroke_intersections(sample_wrapper)[source]
Returns relative number of intra-stroke intersections.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
relative number of intra-stroke intersections
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.relative_total_number_of_intra_stroke_intersections(sample_wrapper)[source]
Returns relative total number of intra-stroke intersections.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
relative total number of intra-stroke intersections
- Return type
float
- handwriting_features.features.implementation.conventional.spatial.stroke_height(sample_wrapper, in_air)[source]
Returns stroke height.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
stroke height
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.stroke_length(sample_wrapper, in_air)[source]
Returns stroke length.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
stroke length
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.stroke_width(sample_wrapper, in_air)[source]
Returns stroke width.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
stroke width
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.total_number_of_intra_stroke_intersections(sample_wrapper)[source]
Returns total number of intra-stroke intersections.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
total number of intra-stroke intersections
- Return type
int
- handwriting_features.features.implementation.conventional.spatial.vertical_peaks_distance(sample_wrapper, fs, n=None)[source]
Returns vertical peaks distance.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical peaks distance
- Return type
int
- handwriting_features.features.implementation.conventional.spatial.vertical_peaks_duration(sample_wrapper, fs, n=None)[source]
Returns vertical peaks duration.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical peaks duration
- Return type
- handwriting_features.features.implementation.conventional.spatial.vertical_peaks_indices(sample_wrapper, fs, n=None)[source]
Returns vertical peaks indices.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical peaks indices
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.vertical_peaks_values(sample_wrapper, fs, n=None)[source]
Returns vertical peaks values.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical peaks values
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.vertical_peaks_velocity(sample_wrapper, fs, n=None)[source]
Returns vertical peaks velocity.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical peaks velocity
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.vertical_valleys_distance(sample_wrapper, fs, n=None)[source]
Returns vertical valleys distance.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical valleys distance
- Return type
int
- handwriting_features.features.implementation.conventional.spatial.vertical_valleys_duration(sample_wrapper, fs, n=None)[source]
Returns vertical valleys duration.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical valleys duration
- Return type
- handwriting_features.features.implementation.conventional.spatial.vertical_valleys_indices(sample_wrapper, fs, n=None)[source]
Returns vertical valleys indices.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical valleys indices
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.vertical_valleys_values(sample_wrapper, fs, n=None)[source]
Returns vertical valleys values.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical valleys values
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.vertical_valleys_velocity(sample_wrapper, fs, n=None)[source]
Returns vertical valleys velocity.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
fs (float) – sampling frequency
n (int, optional) – number of samples of a Gaussian filter, defaults to None
- Returns
vertical valleys velocity
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.spatial.writing_height(sample_wrapper, in_air)[source]
Returns writing height.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
writing height
- Return type
float
- handwriting_features.features.implementation.conventional.spatial.writing_length(sample_wrapper, in_air)[source]
Returns writing length.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
writing length
- Return type
float
- handwriting_features.features.implementation.conventional.spatial.writing_width(sample_wrapper, in_air)[source]
Returns writing width.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
writing width
- Return type
float
handwriting_features.features.implementation.conventional.temporal module
- handwriting_features.features.implementation.conventional.temporal.number_of_interruptions(sample_wrapper)[source]
Returns the number of interruptions.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
number of interruptions
- Return type
float
- handwriting_features.features.implementation.conventional.temporal.number_of_interruptions_relative(sample_wrapper)[source]
Returns the number of interruptions relative to the duration.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
number of interruptions relative to the duration
- Return type
float
- handwriting_features.features.implementation.conventional.temporal.ratio_of_stroke_durations(sample_wrapper)[source]
Returns ratio of stroke durations: on-surface / in-air.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
ratio of stroke durations
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.temporal.ratio_of_writing_durations(sample_wrapper)[source]
Returns ratio of writing durations: on-surface / in-air.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
ratio of writing durations
- Return type
float
- handwriting_features.features.implementation.conventional.temporal.stroke_duration(sample_wrapper, in_air)[source]
Returns stroke duration.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
stroke duration
- Return type
numpy.ndarray or np.NaN
- handwriting_features.features.implementation.conventional.temporal.writing_duration(sample_wrapper, in_air)[source]
Returns writing duration.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
in_air (bool) – in-air flag
- Returns
writing duration
- Return type
float
- handwriting_features.features.implementation.conventional.temporal.writing_duration_overall(sample_wrapper)[source]
Returns overall writing duration.
- Parameters
sample_wrapper (HandwritingSampleWrapper) – sample wrapper object
- Returns
overall writing duration
- Return type
float