MATLAB File Help: cv.MotionSaliencyBinWangApr2014 Index
cv.MotionSaliencyBinWangApr2014

A Fast Self-tuning Background Subtraction Algorithm for Motion Saliency

Implementation of MotionSaliencyBinWangApr2014 for Motion Saliency.

Saliency API

Many computer vision applications may benefit from understanding where humans focus given a scene. Other than cognitively understanding the way human perceive images and scenes, finding salient regions and objects in the images helps various tasks such as speeding up object detection, object recognition, object tracking and content-aware image editing.

About the saliency, there is a rich literature but the development is very fragmented. The principal purpose of this API is to give a unique interface, a unique framework for use and plug sever saliency algorithms, also with very different nature and methodology, but they share the same purpose, organizing algorithms into three main categories:

Saliency UML diagram: <<http://docs.opencv.org/3.1.0/saliency.png>>

To see how API works, try tracker demo: computeSaliency_demo.m.

Motion Saliency Algorithms

Algorithms belonging to this category, are particularly focused to detect salient objects over time (hence also over frame), then there is a temporal component sealing cosider that allows to detect "moving" objects as salient, meaning therefore also the more general sense of detection the changes in the scene.

Presently, the Fast Self-tuning Background Subtraction Algorithm [BinWangApr2014] has been implemented.

References

[BinWangApr2014]:

Bin Wang and Piotr Dudek. "A Fast Self-tuning Background Subtraction Algorithm". In Computer Vision and Pattern Recognition Workshops (CVPRW), 2014 IEEE Conference on, pages 401-404. IEEE, 2014.

See also
Class Details
Superclasses handle
Sealed false
Construct on load false
Constructor Summary
MotionSaliencyBinWangApr2014 Constructor, creates a specialized saliency algorithm of this type 
Property Summary
ImageHeight Height of input image. 
ImageWidth Width of input image. 
id Object ID 
Method Summary
  addlistener Add listener for event. 
  clear Clears the algorithm state 
  computeSaliency Compute the saliency 
  delete Destructor 
  empty Checks if detector object is empty. 
  eq == (EQ) Test handle equality. 
  findobj Find objects matching specified conditions. 
  findprop Find property of MATLAB handle object. 
  ge >= (GE) Greater than or equal relation for handles. 
  getClassName Get the name of the specific saliency type 
  getDefaultName Returns the algorithm string identifier 
  gt > (GT) Greater than relation for handles. 
  init This function allows the correct initialization of all data structures that will be used by the algorithm 
Sealed   isvalid Test handle validity. 
  le <= (LE) Less than or equal relation for handles. 
  load Loads algorithm from a file or a string 
  lt < (LT) Less than relation for handles. 
  ne ~= (NE) Not equal relation for handles. 
  notify Notify listeners of event. 
  save Saves the algorithm parameters to a file 
  setImagesize This is a utility function that allows to set the correct size (taken from the input image) in the corresponding variables that will be used to size the data structures of the algorithm.