Cris’ Image Analysis Blog

Category: algorithms

Posts that talk about the nitty-gritty details of an algorithm.

1. Robust estimation of shift, scale and rotation

   By Cris Luengo on Tue 10 February 2026. Filed under algorithms.

2. Median filtering

   By Cris Luengo on Mon 27 June 2022. Filed under algorithms.

3. Morphological reconstruction, or don't trust old timings

   By Cris Luengo on Mon 27 September 2021. Filed under algorithms.

4. Filling an image with grid points

   By Cris Luengo on Tue 22 January 2019. Filed under algorithms.

5. Color quantization, minimizing variance, and k-d trees

   By Cris Luengo on Sat 26 May 2018. Filed under algorithms.

6. Union-Find

   By Cris Luengo on Wed 21 March 2018. Filed under algorithms.

7. Computing Feret diameters from the convex hull

   By Cris Luengo on Mon 13 February 2012. Filed under algorithms.

8. The convex hull of a 2D object

   By Cris Luengo on Sun 18 September 2011. Filed under algorithms.

9. Bresenham's line drawing algorithm in any number of dimensions

   By Cris Luengo on Fri 22 July 2011. Filed under algorithms.

10. Panoramic photograph stitching — again

    By Cris Luengo on Sun 03 April 2011. Filed under algorithms.

11. Dithering

    By Cris Luengo on Fri 07 January 2011. Filed under algorithms.

12. More chain code measures

    By Cris Luengo on Wed 13 October 2010. Filed under algorithms.

13. How to obtain the chain code

    By Cris Luengo on Mon 27 September 2010. Filed under algorithms.

14. Measuring boundary length

    By Cris Luengo on Tue 14 September 2010. Filed under algorithms.

15. Separable convolutions

    By Cris Luengo on Thu 19 August 2010. Filed under algorithms.

16. Mechanical simulation for image segmentation

    By Cris Luengo on Wed 13 January 2010. Filed under algorithms.

17. A simple implementation of snakes

    By Cris Luengo on Wed 09 December 2009. Filed under algorithms.

18. Panoramic photograph stitching

    By Cris Luengo on Tue 14 July 2009. Filed under algorithms.