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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Gabriel’s nice points brought up the issue of bias in counting pixels (a common problem in image processing applications is that when turning a shape with curves into pixels, the pixels are under-counted on the LHS and over-counted on the RHS, IJ2’s bug appears to be have a top/down orientation). This problem is present in IJ2, but has been solved in IJ1 (I think was maybe even solved not too long ago in IJ1). Here is an example:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>IJ2’s circle (I did fill then invert to get the black): <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><img width=992 height=590 id="Picture_x0020_3" src="cid:image001.jpg@01CD2EB2.40B82A00"></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br>IJ1’s circle:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><img width=728 height=432 id="Picture_x0020_2" src="cid:image002.jpg@01CD2EB2.40B82A00"></span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><br><br><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Justin Senseney <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>BIRSS/ISL/DCB/CIT/NIH<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>301-594-5887<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>301-480-0028 (fax)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Building 12A/2015<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p></div></body></html>