tag:blogger.com,1999:blog-1840985738235902482.post3219706588607175495..comments2024-03-27T07:14:48.488-04:00Comments on John the Math Guy: Statistical process control of color, approaching a method that worksJohn Seymourhttp://www.blogger.com/profile/11350487038873935295noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-1840985738235902482.post-6404515355445166042017-09-27T16:22:34.437-04:002017-09-27T16:22:34.437-04:00Thanks for the extra info, Wayne. I know that I am...Thanks for the extra info, Wayne. I know that I am on a sparsely traveled path, but it helps to know that someone else has been down the path before me!John Seymourhttps://www.blogger.com/profile/11350487038873935295noreply@blogger.comtag:blogger.com,1999:blog-1840985738235902482.post-15900007666218428532017-09-21T13:44:01.334-04:002017-09-21T13:44:01.334-04:00Hurrah for ellipsoids! Way back in 1976, when I kn...Hurrah for ellipsoids! Way back in 1976, when I knew nothing of statistics (still don't) I found a paper or a book (can't recall now) describing these calculations, and used it to prove that my design for a color matrix chip for TV sets would not vary excessively from unit to unit, even though it used horribly variable bipolar PNP transistors in part of the circuit to allow RGB outputs that had the full range of zero volts to the power supply rail. Wayne Bretlhttps://www.blogger.com/profile/04219952662603590089noreply@blogger.comtag:blogger.com,1999:blog-1840985738235902482.post-32258805170143569652017-09-14T09:37:59.559-04:002017-09-14T09:37:59.559-04:00And since all of you want to know, the guitar in m...And since all of you want to know, the guitar in my profile pic is a 1967 Fender Coronado XII. A hollow body electric 12 string. One of my favorites that I do not get to play that often.Dave Wyblehttps://www.blogger.com/profile/09623357167770566661noreply@blogger.comtag:blogger.com,1999:blog-1840985738235902482.post-52374181256518842302017-09-14T09:36:26.049-04:002017-09-14T09:36:26.049-04:001. thanks for the Munsell Centennial plug!
2. isn&...1. thanks for the Munsell Centennial plug!<br />2. isn't is curious that unique yellow lies so close to the b* axis? Coincidence?<br />3. I can't wait for the PCA explanation.Dave Wyblehttps://www.blogger.com/profile/09623357167770566661noreply@blogger.com