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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoPlainText>…> On Behalf Of BillK via extropy-chat<br>Subject: Re: [ExI] crowdsourced crimefighters</p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>On Sat, 6 Mar 2021 at 17:43, spike jones via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org"><span style='color:windowtext;text-decoration:none'>extropy-chat@lists.extropy.org</span></a>> wrote:<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> We had a minor crime occur in a nearby neighborhood. These are two images of the getaway vehicle. I posted them to my motorcycle group, but they are bikers, not SUV crossover people. So I decided to let ExI take a shot at it.<o:p></o:p></p><p class=MsoPlainText>><o:p> </o:p></p><p class=MsoPlainText>> spike<o:p></o:p></p><p class=MsoPlainText>> _______________________________________________<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>There is a reddit group that does this all the time.<o:p></o:p></p><p class=MsoPlainText>Post a car photo to get it identified.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><<a href="https://www.reddit.com/r/whatisthiscar/"><span style='color:windowtext;text-decoration:none'>https://www.reddit.com/r/whatisthiscar/</span></a>><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>BillK<o:p></o:p></p><p class=MsoPlainText>_______________________________________________<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'>BillK, your Reddit site solved it within minutes.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'>Regarding that which I posted earlier, the notion can be best illustrated as shown. Rotate the image such that the line passing thru the wheel centers is parallel to the ground.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'>Find the major axis (blue line) and minor axis (red line.) Take the apparent diameter of both (in pixels) and find the ratio. Might be 1.2 in the image below.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'>Now just move every pixel 1.2 times the distance from rear hub along the axis of the red line.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'>That should result in an undistorted side-view. Pixel-mapping can be done with that. Cool!<o:p></o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'>So now we know the sleazy perp drives a 2014 Volkswagen Tiguan.<o:p></o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'>spike<o:p></o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><span style='color:black'><o:p> </o:p></span></p><p class=MsoPlainText><img border=0 width=683 height=374 style='width:7.1145in;height:3.8958in' id="Picture_x0020_1" src="cid:image001.jpg@01D71289.45FDF610"><span style='color:black'><o:p></o:p></span></p></div></body></html>