ISS Art shares experience of using Computer Vision in neuropharmacology on the example of the portfolio project.
ISS Art CTO describes the technical part of developing a Computer Vision script for neuropharmacology at HappyDevLite conference http://happydevlite.1der.link/site.
You will know about the script we wrote for the company that creates drugs for diseases related to the death of nerve cells.
Well-known examples of these diseases are Parkinson and Alzheimer.
What details are disclosed:
-how to identify an object that move a bit
-how to identify the core of the object (in our case it was the core of a cell)
-how highlight an object and to identify the affiliation etc.
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Computer vision in neuropharmacology
1. The use of methods of
computer vision in
neuropharmacology
Sergey Maslov, CTO, ISS Art
3. Customer
A company from the USA which
researches and creates drugs for
illnesses connected with nerve cell
death (e.g. Alzheimer, Parkinson
diseases).
3
Neuropharmacology - the field of development of
drugs for diseases of the nervous system.
6. Example of photo
Original photo from
digital microscope
6
Photo after pre-
processing
Shown for visibility
7. Nerve cell
structure of nerve cell
(from school book of biology)
7
Photo after pre-
processing
Main criteria of condition:
Brightness, presence of neurites
11. 11
Finding cell centers
Found cells
Classical computer
vision technique: Blob
detection
For geeks: bright spot - is local
maximum of Laplace transform
from Gauss blurring.
Must know: divergence of vector
field
12. 12
Finding neutrites
Ridge line, actually
Color - the height
Natural analogue:
ridge line
Photo after pre-
processing
Must know: classification of quadric surfaces,
eigenvalues of matrix of second derivatives
16. 16
Results
Faster (2-3 minutes instead of 2-3 hours per
photo)
Much more accurate (hard to say in numbers)
Use of indicators that were not used before
(quantity and length of neurites)
Tools for analyzing cell photos:
further cooperation with the customer
17. What to read
17
Nerve cells
Immunofluorescence
Opencv tutorial
Mathematics, programming and
English - study on your own :)
For those who is too lazy to google