Can anybody tell me the metric used for getting the distance between two grayscale images that are x by y length and width in pixels with
greyscale values between 0-255 ? I'm particularily interested in the
metric used by the simple fractal compression schemes ...
Print resolution (was: Where are the BEST Point and Shoot Photos?) ... viewing conditions and at normal viewing distance of 22" needs only 156 ...PPI for excellent results, ... CRT high frequency response limits the contrast between adjacent pixels... Measure your distance from the screen at this point. ... (rec.photo.digital)
Re: More on 720 vs 1080, plasma ... From the chart on viewing... The sizes in the second chart seem very large to me, but if you want a home ... Most charts give you the distance where a normal eye can resolve the ... distance is to increase the distance somewhat so that the pixels blend... (alt.tv.tech.hdtv)
Re: Where are the BEST Point and Shoot Photos ? ...viewing conditions and at normal viewing distance of 22" needs only 156 ... camera when viewed at a distance of two feet. ... You're looking at the details so much because your photography... resolution, more clarity, more pixels, THEN someone will be able to see my ... (rec.photo.digital)
Re: MMX speedup for Floyd Steinberg error diffusion ... The edges are handled by ignoring all pixels which do not have the ...neighbours, the simplest way I found was to keep my x and y loops ... Well Initially the code used the standard distance matching algorithm... the wrong palate colour (not the nearest according to the ... (comp.lang.asm.x86)
Re: richard heathfield ... The photograph was in JPEG format. ... But greyscale works, given that ASCII art is greyscale. ... >> square blocks of pixels, and averaging their red, green, and blue values to ... (comp.programming)
