The next set of images is res’ed up from 330 ppi to 360 ppi. With some resampling techniques, notably and egregiously nearest neighbor, resampling with resolutions that are close together yields obvious objectionable artifacts. As before, the results are followed by an analysis. Photoshop Bicubic Smoother (above) Perfect Resize (above) Qimage Hybrid (above) Qimage Fusion… [Read More]
Resampling for printing, revisited 2
This next set of images is based on a 240 ppi target scaled to the 360 ppi printer resolution. Because the target is the same 150 pixel on a side target, the images on paper are somewhat smaller. Here are the results, followed by an analysis. Photoshop Bicubic Smoother (above) Perfect Resize (above) Qimage Hybrid… [Read More]
Resampling for printing, revisited
Four or five months ago, I did a series of posts on resampling for printing. You can read the summary here. Since then, a new version of Qimage has been introduced. It has a new algorithm, called “Fusion”, which is supposed to give better results than the “hybrid” algorithm. Also, there is been a new… [Read More]
The difficulties of medium-format wide-angle photography
I came across a great discussion of the difficulties in getting consistently sharp pictures using medium format digital cameras. Although it was written more than 3 years ago and updated about two years ago, I believe the basic situation still obtains, and therefore what Joseph Holmes has to say about it is important to anyone… [Read More]
Who is this guy?
I took the picture at a Laguna Seca USRRC race, probably in 1968. It sure looks like Chuck Parsons, and what you can see of the car looks like the Simoniz number 10, but I’m not 100% sure. I’d like some help with the identification before I put it up in the new auto racing… [Read More]
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