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Bit Of A Yarn

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Posted

THe Savy Yong Blonk -Platinum Invador photo when the colours are inverted shows if anything Platinum Inv in front. The problem being the white portion of the nose. 

OK the photo on NZTR bit small but certainly would be interesting seeing a bigger version.

  • Like 1
Posted

I'll admit close inspection does give SYB a light advantage. However I've seen it before the digitally interpreted photo finishes are biased against white borders travelling at speed. If one traces where the white nose should appear then there is a dead heat. 

Posted
5 minutes ago, The Centaur said:

I'll admit close inspection does give SYB a light advantage. However I've seen it before the digitally interpreted photo finishes are biased against white borders travelling at speed. If one traces where the white nose should appear then there is a dead heat. 

So a hint for trainers is to nugget the nose?

  • Haha 1
Posted
1 hour ago, curious said:

I don't see the line in that photo?

 

Most image software has some tool you can use e.g cropping tool. Looking at some of the white jockey silks there does appear jagged edges where one would expect smooth contour.

Posted
4 minutes ago, curious said:

Yes. It's a photo of the finish. Not the actual photo finish photo so you can't tell anything from that.

I think it is the actual photo finish but the line isn't drawn on it.

Posted

If we think like a computer then we must decide what to do with each pixel. However if something happens or prevents proper interpretation then what does it do. I guess it just copies what it expects to be there which could just be a continuation of the backgound.

Posted
1 hour ago, curious said:

Looked pretty clear to me.

image.thumb.png.8e471317a5c467e8a984de6f66fb7f52.png

Trace Patinum's head from the noseband up to its eyes. Where the white diminishes but still exists the computer says stuff that we'll ignore it.

Posted
1 hour ago, The Centaur said:

Trace Patinum's head from the noseband up to its eyes. Where the white diminishes but still exists the computer says stuff that we'll ignore it.

The noseband to the eyes has nothing to do with it. The other horse's nostril is over the line when PI's is just on it.

image.png.07694b40a7a5830b6bd6abfcae1d78a6.png

Posted

The point I'm making is that the white portion of PI's nose is further along therefore it would be in line with SYB.

Now I don't know how photo finish equipment works but  if several frames go into deciding the colour of one pixel then the final result seems biased against white. If the equipment is powered by a slow computer then daresay the final pixel color could well remain as the background.

Posted (edited)
53 minutes ago, SLB2.0 said:

Lincoln Farms website has a clear blown up photo showing Savy's nose in front.

Yep. Same photo showing SYB in front.

The judge found one pixel in it - that’s one 2000th of a second that Savy Yong Blonk, top, has over Platinum Invador in today’s City Of Auckland Cup. PHOTO: Murray White/Auckland Tote Photofinish

Edited by curious
Posted

According to Photo Lynx instructions the camera settings need to be altered during the day when sun shines behind the camera. The resolution can become murky when a light color is against a light background, What I am saying is because Platinums white streak is so small it hasn't been picked therefore the difference of losing or dead heating.

You can see the white streak on Platinum's nose below

 

 

Platinum.jpg

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