From: owner-ammf-digest@smoe.org (alt.music.moxy-fruvous digest) To: ammf-digest@smoe.org Subject: alt.music.moxy-fruvous digest V14 #15277 Reply-To: ammf@fruvous.com Sender: owner-ammf-digest@smoe.org Errors-To: owner-ammf-digest@smoe.org Precedence: bulk alt.music.moxy-fruvous digest Thursday, December 26 2024 Volume 14 : Number 15277 Today's Subjects: ----------------- Limited Edition: No Grid Survival Projects! ["Survival Essentials" Subject: Limited Edition: No Grid Survival Projects! Limited Edition: No Grid Survival Projects! http://vivesono.ru.com/LqGoyjbJu8pkSgC71iS_0fbXx-dSJMYaI8V-cSqFEBaLBnk7tA http://vivesono.ru.com/vWratCeWlcWyJns4uz8uqt-50oogwUbh-RWwyBC7wxcPnkMoYQ tuation where individual images have a very shallow depth of field; macro photography and optical microscopy are two typical examples. Focus stacking can also be useful in landscape photography. Focus stacking offers flexibility: since it is a computational technique, images with several different depths of field can be generated in post-processing and compared for best artistic merit or scientific clarity. Focus stacking also allows generation of images physically impossible with normal imaging equipment; images with nonplanar focus regions can be generated. Alternative techniques for generating images with increased or flexible depth of field include wavefront coding, light-field cameras and tilt. Technique The starting point for focus stacking is a series of images captured at different focus distances; in each image different areas of the sample will be in focus. While none of these images has the sample entirely in focus they collectively contain all the data required to generate an image which has all parts of the sample in focus. In-focus regions of each image may be detected automatically, for example via edge detection or Fourier analysis, or selected manually. The in-focus patches are then blended together to generate the final image. This processing is also called z-stacking, focal plane merging (or zedification in French). In photography Getting sufficient depth of field can be particularly challenging in macro photography, because depth of field is smaller (shallower) for objects nearer the camera, so if a small object fills the frame, it is often so close tha ------------------------------ End of alt.music.moxy-fruvous digest V14 #15277 ***********************************************