These projects can be also accessed from te main page of my GitHub profile

Last update 20220529

• Tests of some advanced coloring technics for the Mandelbrot set (also available on these personnal web pages)
• Pattern recognition on some microscopy images obtained from a confocal microscope. This project started after a traineeship of my son in a biochemistry laboratory of the Geneva University, where a PhD student was analyzing some images from such a microscope, using the Fidji software. The aim was to compare the intensity of some specific zones between two images of the same sample under different wavelength. But the selection of the zones in Fidji was manual, and my son asked me if we could realize a python program that can select automatically the zones. The result is not bad even though the processing of a couple of images takes more than half an hour, the selection is quite efficient.
• Musical notes detector on iPad. The idea of this project was to see if using the python librairies in pythonista one can analyze the music played by an instrument (a piano in pratice), and display the notes that are played. The result is not bad in the sense that in a chord, in general at least one of the notes is correctly detected. Also since the notes are in a geometric sequence, from the frequency detected one can also compute the "distance" to the closest note and therefore estimate the error.
• iPad 3D motion. In this project we try to use the data collected on the iPad sensors (accelerometer, gyrometer) to build the trajectory in space of this iPad. Due to the bad precision of the sensors, the computed trajectory is generally not reallistic, but in some conditions with large movements, one can obtain some realistic results.
• LaTeX to HTML conversion in javascript (also available on these personnal web pages). An old project build at a time when search engines on the web did not index the content of pdf files. So at this time, creating an HTML version of scientific publication would have allowed the indexing of the content by search engines.

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E-mail:eric.chopin@wanadoo.fr