Search: all:new
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| BP949 |
| Two unique distances between points vs. three unique distances between points. |
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| BP948 |
| Image of Bongard Problem such that pixel-inverting examples flips the solution vs. image of Bongard Problem such that pixel-inverting examples leaves the solution invariant. |
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| BP947 |
| BPs where users are advised to only upload images in which the pixelation is not misleading vs. other "perfect" Bongard Problems that use pixelated images to closely approximate the actual intended shapes. |
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COMMENTS
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Left examples have the keyword "pixelperfect" on the OEBP.
All examples here are perfect Bongard Problems. That is, subtle imperfections in images are meant to be considered.
When a Problem is tagged with "pixelperfect", users are reminded to make sure they do not upload images such that taking the pixelation into account would affect the sorting of that example. That is, the zoomed-in jagged blocky version of the picture should still fit the solution.
For example, in the examples of BP335, which is about tessellation, the pixels interlock properly. |
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CROSSREFS
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Stable Bongard Problems are generally pixelperfect.
Adjacent-numbered pages:
BP942 BP943 BP944 BP945 BP946 * BP948 BP949 BP950 BP951 BP952
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KEYWORD
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meta (see left/right), links, keyword, instruction
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WORLD
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perfect_bp [smaller | same | bigger]
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AUTHOR
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Leo Crabbe
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| BP946 |
| Can be constructed using 2 identical copies of an image (full overlapping not allowed) vs. not so. |
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COMMENTS
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"Full overlapping not allowed" means you cannot overlay an image onto itself without moving it; if this were allowed all images would be sorted on the left. The copies can be moved around (translated) in 2D but can not be flipped or rotated.
There are examples on the right drawn with thick lines, and these could be created by copying an image with slightly thinner lines and moving it over a tiny amount. If you fix this issue by saying "the copy has to be moved over more than a tiny amount" then the Bongard Problem is perfect but not precise, but if you fix this issue by saying "interpret the figures as made up of (infinitesimally) thin lines" then it's precise but not perfect. - Aaron David Fairbanks, Jun 17 2023 |
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CROSSREFS
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Adjacent-numbered pages:
BP941 BP942 BP943 BP944 BP945 * BP947 BP948 BP949 BP950 BP951
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KEYWORD
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nice, notso, creativeexamples
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AUTHOR
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Leo Crabbe
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| BP945 |
| Cube number of dots vs. non-cube number of dots. |
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| BP944 |
| Image of Bongard Problem that would sort ANY image of a valid Bongard Problem on one of its sides vs. image of Bongard Problem whose categorization of a BP image would depend on the solution or examples in it. |
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COMMENTS
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"Any" here means any image of a Bongard Problem in the relevant format, i.e. with white background, black vertical dividing line, and examples in boxes on either side.
All examples shown in this Problem clearly sort themselves on the left or right.
A self-referential but maybe simpler solution is "would sort all examples in this whole Bongard Problem on one of its sides vs. not so." Users adding examples please try to maintain this: for any example you add to the right of this Bongard Problem, make sure it does not sort all the other examples in this Bongard Problem on just one of its sides. - Aaron David Fairbanks, Aug 26 2020 |
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CROSSREFS
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Adjacent-numbered pages:
BP939 BP940 BP941 BP942 BP943 * BP945 BP946 BP947 BP948 BP949
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KEYWORD
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hard, challenge, presentationinvariant
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WORLD
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boxes_bpimage_sorts_self [smaller | same | bigger]
zoom in left | zoom in right
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AUTHOR
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Jago Collins
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| BP943 |
| Visual Bongard Problems whose solutions cannot be deduced when viewed in template form vs. not so. |
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COMMENTS
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Left examples are not required to be valid, as long as their solution doesn't apply in the traditional Bongard Problem format (6 panels vs. 6 panels, all one image). Additionally, they do not necessarily have to be rendered invalid by being viewed in the template format, but their solution does have to be altered. In some cases left examples are simply Problems whose solution is specific to the computer medium (BP941), however some examples have more profound solutions that the pen-and-paper template medium is too restrictive to represent (BP854). |
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CROSSREFS
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See BP568.
Adjacent-numbered pages:
BP938 BP939 BP940 BP941 BP942 * BP944 BP945 BP946 BP947 BP948
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KEYWORD
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meta (see left/right), links, oebp, time
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WORLD
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bp [smaller | same | bigger]
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AUTHOR
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Leo Crabbe
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| BP942 |
| Square bounding box vs. oblong rectangular bounding box. |
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