module ai.image_segmentation

Short summary

module code_beatrix.ai.image_segmentation

Extracts objects from an image based on deep learning.

source on GitHub

Classes

class	truncated documentation
DLImageSegmentation	Segments an image. Inspired from infer.py. …

Properties

property	truncated documentation
ModelFile	Returns the model file name.

Static Methods

staticmethod	truncated documentation
_new_size	Computes a new size.

Methods

method	truncated documentation
__init__
_load_image	Loads an image as a numpy.array.
_preprocess	Preprocesses the image before prediction.
plot	Displays the segmentation.
predict	Applies the model on features X.

Documentation

Extracts objects from an image based on deep learning.

source on GitHub

class code_beatrix.ai.image_segmentation.DLImageSegmentation(model='FCN8s', n_class=21, gpu=False, class_name=None, fLOG=None)

Bases : DeepLearningImage

Segments an image. Inspired from infer.py. See notebook Segmenter une image pixel à pixel.

source on GitHub

Paramètres:

• model – model name

• n_class – number of classes

• gpu – use gpu

• class_name – class names

• fLOG – logging function

List of known models:

• 'FCN8s': image segmentation

source on GitHub

property ModelFile

Returns the model file name.

source on GitHub

__init__(model='FCN8s', n_class=21, gpu=False, class_name=None, fLOG=None)

Paramètres:

• model – model name

• n_class – number of classes

• gpu – use gpu

• class_name – class names

• fLOG – logging function

List of known models:

• 'FCN8s': image segmentation

source on GitHub

_load_image(img, resize=None)

Loads an image as a numpy.array.

Paramètres:

• img – image

• resize – resize the image before predicting, see _new_size

Renvoie:

numpy.array

source on GitHub

static _new_size(old_size, new_size)

Computes a new size.

Paramètres:

• old_size – current size

• new_size – new desired size

Renvoie:

new size

new_size can be of:

• (int, int): this is the new size

• (“max2”, int): this size is divided by 2 until the greater dimension is below a threshold

source on GitHub

_preprocess(feat, preprocess=True)

Preprocesses the image before prediction.

Paramètres:

• feat – image (output of _load_image)

• preprocess – applies some preprocessing or not

Renvoie:

preprocessed image

source on GitHub

plot(img, pred)

Displays the segmentation.

Paramètres:

img – initial image

Renvoie:

new image

source on GitHub

predict(img, resize=None)

Applies the model on features X.

Paramètres:

• img – image

• resize – resize the image before predicting, see _new_size

Renvoie:

(image, prediction)

source on GitHub