Odd Markings In China... Signal to passing space craft?, page 3
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ATS Members have flagged this thread 19 times


reply posted on 4-10-2009 @ 07:35 AM by Exuberant1
reply to post by Hump01



Thank you Hump!

Those are some nice images. And right on time



reply posted on 13-10-2009 @ 11:14 AM by Somamech
Fascinating Find

Those white lines could also be used for this:

Recognizing white line markings for vision-guided vehicle navigation by fuzzy reasoning

www.sciencedirect.com... 1046595036&_rerunOrigin=google&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=aa14732c7de6ec59c71f306b7a349fd5

Wei LiCorresponding Author Contact Information, E-mail The Corresponding Author, Goutao Lu and Yongqiang Wang

Department of Computer Science and Technology, Tsinghua University, Beijing 100084, China

Received 15 October 1996;
revised 19 June 1997.
Available online 12 May 1998.

Abstract

This paper presents a new method for recognizing white line markings for navigation of an autonomous vehicle that operates in out-door environments. A fuzzy-reasoning-based general technique for edge detection is used to classify a pixel in an image into a border region or a uniform region based on luminance differences between this pixel and its neighboring pixels. The idea of this paper is to integrate special knowledge about white line markings into a fuzzy rule base using this general technique. The method is implemented on the THMR-III mobile robot, and experiments show that this method is robust to noise and environment changes.

Author Keywords: Image processing; Fuzzy reasoning; Robot vision; Navigation; Autonomous vehicle



reply posted on 13-10-2009 @ 10:58 PM by MagicaRose
reply to post by zorgon



Could it be pqrt of the building that held the Olypics in?


reply posted on 24-10-2009 @ 05:41 AM by JustMike
reply to post by Somamech


Interesting concept and a good find, but in this case I doubt that it would apply. This is because the mysterious Chinese image is composed entirely of white lines, rather than the thin white marking lines (lane lines and border lines) that are painted on many roads. The research you cited refers to attempts to develop a system whereby a robot vehicle can recognize the white lines that are painted on roads in order that it is able to operate in a real-world environment. If roads were completely painted white that would be a different scenario entirely.

There is a detailed pdf document that reports this research (including all the formulae and methodology employed), that makes it quite clear that the THMR-III mobile robot experiments were conducted on what correspond to ordinary roads, with the usual white line markings -- and not on roads that are painted completely white.

The document authored by Wei li and two others begins with this statement in its introduction:

Detection of white line markings on streets is one of the most important steps in robot motion...


They then go on to explain the problem in detail and their experiments in finding a solution.

But all the same, it was worth mentioning. My own feeling is that as the Chinese went to so much time and effort to create these odd patterns, they may well be modeled on actual road networks somewhere. It seems more valid to me that they would use a real-life "road grid" rather than something totally random...

Some might argue that if they did so then they'd lose an element of secrecy. True, but on the other hand they know full well that their activities are observed by others, and even though we might not know exactly what those patterns of lines are, I am quite sure that there are people outside of the PRC who do.

There are circumstances when it can be most useful to let the other side know something about what you are doing.

Okay, my own hypothesis could be equally off the wall, but I do find it telling that the apparently older white-line grid -- now partially covered by alluvial deposits -- was created with a border, while the more recent one was not. It seems to me that the older one may also have been fashioned after a real-world city's road layout, but for technical reasons they felt the need to provide it with a border. Perhaps -- just perhaps! -- they managed to then advance their technology to the point where they could set up a new "road grid" without any border. After all, in the real world, there are few cities that have a nice big rectangle enclosing everything...

Is there any kind of image-matching software available that would allow us to load a copy of that mysterious grid of lines and then see if a matching one can be found on the Web? That would be worth doing if it can be done.

Alternatively, Zorgon, it might even be worth starting a new thread with those two "grid" images and ask members if they either recognize them or can locate them. We have huge resources available in our membership and they just might have an answer. They might also be able to show that they are something completely different, which I wouldn't mind at all, providing we get some kind of definitive answer.

Best regards,

Mike

Edited for typos.

[edit on 24/10/09 by JustMike]



reply posted on 18-11-2009 @ 12:47 PM by Somamech
reply to post by JustMike



Nice work on that and I must say I was more floating the idea mate rather than saying this is how it is

Working where I work I only see un-classified but in saying so I do see how much money is spent on the mentioned.

Seeing no-one reads this thread I can tell you that Orbital Space Based weapons are made in Adelaide OZ.


reply posted on 13-4-2010 @ 11:34 AM by joey_hv
Originally posted by Somamech
reply to
post by JustMike



Nice work on that and I must say I was more floating the idea mate rather than saying this is how it is

Working where I work I only see un-classified but in saying so I do see how much money is spent on the mentioned.

Seeing no-one reads this thread I can tell you that Orbital Space Based weapons are made in Adelaide OZ.
Wait...China has spaced based weapons??? and the Ozzies are building them for the Chicomms??

You Ozzzies best remember who your friends are...


reply posted on 13-4-2010 @ 12:28 PM by alexgia
reply to post by TheIrvy



OK just went to Google Earth and put in those quarduents (SP?) and there is nothing for miles around those markings. The markings are there on the ground. Try it for yourself. Not photoshop at all. No idea what they are but if they are building WAY out there I gotta ask, how do you get water and power way out there?
40' 27'02.68N 93' 44' 37.82E try it. Not photoshop.
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