LearnSceneFromFiles (BoofCV (0.40))

java.lang.Object

boofcv.alg.bow.LearnSceneFromFiles

public abstract class LearnSceneFromFiles
extends Object

Abstract class which provides a frame work for learning a scene classifier from a set of images. TODO describe how it provides learning

Field Summary

Fields
Modifier and Type	Field	Description
`protected Map<String,List<String>>`	`cross`
`protected Random`	`rand`
`protected List<String>`	`scenes`
`protected Map<String,List<String>>`	`test`
`protected Map<String,List<String>>`	`train`

Constructor Summary

Constructors

Constructor Description

LearnSceneFromFiles()

Method Summary

Modifier and Type	Method	Description
`protected abstract int`	`classify(String path)`	Given an image compute which scene it belongs to
`protected Confusion`	`evaluate(Map<String,List<String>> set)`	Given a set of images with known classification, predict which scene each one belongs in and compute a confusion matrix for the results.
`Confusion`	`evaluateTest()`
`static @Nullable Map<String,List<String>>`	`findImages(File rootDir)`	Loads the paths to image files contained in subdirectories of the root directory.
`List<String>`	`getScenes()`
`void`	`loadSets(File dirTraining, File dirCross, File dirTest)`
`void`	`loadThenSplit(File directory)`

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- rand
  
  protected Random rand
- scenes
  
  protected List<String> scenes
- train
  
  protected Map<String,List<String>> train
- cross
  
  protected Map<String,List<String>> cross
- test
  
  protected Map<String,List<String>> test
Constructor Details
- LearnSceneFromFiles
  
  public LearnSceneFromFiles()
Method Details
- evaluateTest
  
  public Confusion evaluateTest()
- evaluate
  
  protected Confusion evaluate(Map<String,List<String>> set)
  
  Given a set of images with known classification, predict which scene each one belongs in and compute a confusion matrix for the results.
  
  Parameters:
  
  set - Set of classified images
  
  Returns:
  
  Confusion matrix
- classify
  
  protected abstract int classify(String path)
  
  Given an image compute which scene it belongs to
  
  Parameters:
  
  path - Path to input image
  
  Returns:
  
  integer corresponding to the scene
- loadSets
  
  public void loadSets(File dirTraining, File dirCross, File dirTest)
- loadThenSplit
  
  public void loadThenSplit(File directory)
- findImages
  
  @Nullable public static @Nullable Map<String,List<String>> findImages(File rootDir)
  
  Loads the paths to image files contained in subdirectories of the root directory. Each sub directory is assumed to be a different category of images.
- getScenes
  
  public List<String> getScenes()