[Chennaipy] MOM - October 2018 Chennaipy Meetup

[Kamesh Jayachandran]

Hi All,

Please find the minutes of the meetup @BOT VFx on 27th October 2018.

Talk 1: Computer vision in Test automation using Robot Framework.
Speaker: Vijayakumar

Vijayakumar gave an introduction to Testing and various types of testing
like Unit Testing, Integration Testing.

For this talk he demonstrated the Integration testing of "Orpat digital
Alarm Clock" using computer vision and Robot framework.

Input Automation:
He automated input buttons(hour, minute, set, power off) of the clock with
relay control that he integrated with his laptop using serial port.
Using the python 'serial' port app running on his laptop he controlled the
relays and hence inputs to Orpat clock. He wrote a python library that
abstracts the device.

Capturing LCD output:
He setup the Document Camera that records the LCD output of the Orpat
clock. This camera is connected to the same Laptop where input is
controlled. From Camera video is read using ffmpeg app at 1 fps. These
video frames are given to SSOCR library to read and understand the display
in the Orpat clock.

Using the input, output automation and library abstraction. Vijay showed
command line invocation showing each test execution. Then slowly he built
the Robot based test suite that checks various conditions.

Live Hardware Demo made it an awesome experience.

Talk 2: Scientific computing using python
Speaker: Ashok Govindarajan.
Simulation of wireless channel attenuation/disturbances in python using
scipy/numpy.

He explained the importance of simulation.
He explained various concepts like probability distribution functions
especially poisson distribution's role in finding the amount of time one
need to wait in a queue.

He finally concluded Scientific computing === Statistics + Probability.
He demoed his program to audience.
He introduced numpy, scipy and matplotlib.

Thanks
With regards
Kamesh Jayachandran
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