mmlspark.opencv package

Submodules

mmlspark.opencv.ImageTransformer module

class mmlspark.opencv.ImageTransformer.ImageTransformer(inputCol='image', outputCol=None, stages=None)

Bases: mmlspark.opencv._ImageTransformer._ImageTransformer

Resizes the image to the given width and height

Parameters

• height (int) – The height to resize to (>=0)

• width (int) – The width to resize to (>=0)

blur(height, width)

Blurs the image using a normalized box filter

Parameters

• height (double) – The height of the box filter (>= 0)

• width (double) – The width of the box filter (>= 0)

colorFormat(format)

Formats the image to the given image format

Parameters

format (int) – The format to convert to, please see OpenCV cvtColor function documentation for all formats

crop(x, y, height, width)

Crops the image given the starting x,y coordinates and the width and height

Parameters

• x (int) – The initial x coordinate (>=0)

• y (int) – The initial y coordinate (>=0)

• height (int) – The height to crop to (>=0)

• width (int) – The width to crop to (>=0)

flip(flipCode=1)

gaussianKernel(appertureSize, sigma)

Blurs the image by applying a gaussian kernel

Parameters

• appertureSize (double) – The aperture size, which should be odd and positive

• sigma (double) – The standard deviation of the gaussian

resize(height, width)

Resizes the image to the given width and height

Parameters

• height (int) – The height to resize to (>=0)

• width (int) – The width to resize to (>=0)

threshold(threshold, maxVal, thresholdType)

Thresholds the image, please see OpenCV threshold function documentation for more information

Parameters

• threshold – (double) The threshold value

• maxVal (double) – The maximum value to use

• thresholdType (double) – The type of threshold, can be binary, binary_inv, trunc, zero, zero_inv

mmlspark.opencv.ImageTransformer.toImage(array, path='', mode=16)

Converts a one-dimensional array to a 2 dimensional image

Parameters

• array (array) –

• path (str) –

• ocvType (int) –

Returns

2 dimensional image

Return type

object

mmlspark.opencv.ImageTransformer.toNDArray(image)

Converts an image to a 1-dimensional array

Parameters

image (object) – The image to be converted

Returns

The image as a 1-dimensional array

Return type

array

Module contents

MicrosoftML is a library of Python classes to interface with the Microsoft scala APIs to utilize Apache Spark to create distibuted machine learning models.

MicrosoftML simplifies training and scoring classifiers and regressors, as well as facilitating the creation of models using the CNTK library, images, and text.