9/16/2023 0 Comments Bicubic or bilinear![]() ![]() ![]() In my experience as long as the source image is of good quality in terms of sharpness, detail, and minimal noise, you can comfortably enlarge a photo to double the height and width (quadruple the total image area) while maintaining good image quality. In most cases, however, I assume that when a photographer wants to know how much they can safely enlarge a photo it is with the assumption that the viewer will be able to get relatively close to the enlarged image. If you don’t get too close to an extreme enlargement, you won’t be able to perceive the degraded image quality. As I often explain when it comes to this topic, you can make a photo infinitely large as long as the viewer will be extremely far away from the image. More Detail: There really isn’t any strict rule about how large you can print a photo while maintaining good quality. I recommend the Bicubic interpolation algorithm in most cases. Tim’s Quick Answer: As a very general rule you can enlarge a photo to double the horizontal and vertical dimensions (quadruple the total area), though the specifics depend on how the image will be shared. Today’s Question: How much can you safely upsize an image without sacrificing noticeable quality degradation? And what is the best resampling method for upsizing? Bilinear, Bicubic, or Lanczos? ![]()
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