Author Topic: The VAR thread  (Read 58313 times)

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Microscopist

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Re: The VAR thread
« Reply #60 on: Wed 16 Jan 2019 23:16 »
a) there are no linesmen as you say

b) they have paid a lot of money for proven technology. If we are going to use technology then it has to be accepted as infallible.

Technology is here and it is here to stay.  People just need to accept this as it will not be changing.

It appears that the technolology only relates to a grid at pitch level and with a limited number of cameras.  When the camera is not in line with the last defender this means that there are optical errors in relating the apparent alignment of the head and the feet.  These could be corrected in various ways but do not seem to be being considered.  Additionally there are, in any measurement, errors and there appears to be no assessment of the degree in error (e.g. by having a broader line and have any part of the body lying within that line being regarded as within the margin of error of the method of measurement).  It is possible for the technology to accomodate these issues, but they first need to be recognised and then the attention needs to put in to compensate for them.
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