[IP3-5-3] Local variance

Local variance can be calculated as the value of standard deviation in a small neighborhood (e.g. 3x 3 moving window), then computing the mean of these values over the entire image. The obtained value is an indicator of the local variability in the image.

External resources

• Tian Y., Xie Y., Peng F., Liu J., Xing G. (2006) A Multi-resolution Image Segmentation Method Based on Evolution of Local Variance. In: Huang DS., Li K., Irwin G.W. (eds) Intelligent Computing in Signal Processing and Pattern Recognition. Lecture Notes in Control and Information Sciences, vol 345. Springer, Berlin, Heidelberg . https://doi.org/10.1007/978-3-540-37258-5_66

Learning outcomes

• 2309 - Explain how the consideration of local variance can enhance image segmentation results

  Explain how the consideration of local variance can enhance image segmentation results

Self assessment

Outgoing relations

• [IP3-5-3] Local variance subclassof [IP3-5] Image segmentation