- #1
asmani
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Dear moderator, if the thread is irrelevant to this forum section, please move it to the right section. Thanks.
Visual Pattern Recognition Test
- Context: High School
- Thread starter asmani
- Start date
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Discussion Overview
The discussion revolves around a visual pattern recognition test involving predicting the color of dots in a grid based on certain operations and patterns. Participants explore various methods to derive answers and share their findings, focusing on the theoretical and exploratory aspects of pattern recognition.
Discussion Character
- Exploratory
- Technical explanation
- Debate/contested
Main Points Raised
- Some participants propose patterns that predict specific configurations of black and white dots, including "all black" and "the bottom and the two right white, rest black."
- One participant suggests that the images in the last row result from operations on the two images above, hinting at a method of deriving answers.
- Another participant describes various operations they have attempted, such as unions, intersections, and reflections, expressing frustration over not finding a successful method.
- A later reply introduces an algorithm based on counting white dots in surrounding positions, leading to a conclusion of "all black" in some cases, while acknowledging the existence of multiple potential answers.
- Participants express uncertainty about the existence of a single correct answer, with one stating that they do not believe there is "the" answer, indicating a variety of interpretations and solutions.
Areas of Agreement / Disagreement
Participants generally agree that multiple answers exist for the pattern recognition test, with no consensus on a single correct solution. There are competing views on the methods and patterns that can be used to derive answers.
Contextual Notes
Participants mention various operations and algorithms without resolving the effectiveness of each method. The discussion reflects a range of assumptions about the operations applied and the definitions of the patterns being explored.
Dear moderator, if the thread is irrelevant to this forum section, please move it to the right section. Thanks.
- #2
mfb
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You can find some pattern for all 128 possible options.
I found a nice pattern that predicts "all black", and a slightly less nice pattern that predicts "the bottom and the two right white, rest black". If you have a different answer, then you can try to find patterns for these answers.
Edit: With a small extension, I can also justify "the bottom one and the bottom right are white, the rest is black".
I found a nice pattern that predicts "all black", and a slightly less nice pattern that predicts "the bottom and the two right white, rest black". If you have a different answer, then you can try to find patterns for these answers.
Edit: With a small extension, I can also justify "the bottom one and the bottom right are white, the rest is black".
- #3
asmani
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Could you please illustrate your answer?
- #4
mfb
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What do you mean by "illustrate"? Make a picture of the answer? Is the description unclear?
Explain how I got it? That would take the fun out of it. But I'll give a hint: I treated the images in the last row as result of an operation on the two images above in each case.
Explain how I got it? That would take the fun out of it. But I'll give a hint: I treated the images in the last row as result of an operation on the two images above in each case.
- #5
asmani
- 104
- 0
I'm sorry, that was bad English. I meant "Make a picture of the answer".
Can you give a hint on what type of operation? I've tried unions, intersections, symmetric differences, shifts, reflections, rotations, reversing, and some combinations of these operations, none of them worked. should I search through more combinations of these operations? Or other operations than those? You must be a genius that you found the answer in less than 10 minutes. I keep telling myself I must think outside the box, but still no results. Shouldn't be so obsessed with my intelligence...
Can you give a hint on what type of operation? I've tried unions, intersections, symmetric differences, shifts, reflections, rotations, reversing, and some combinations of these operations, none of them worked. should I search through more combinations of these operations? Or other operations than those? You must be a genius that you found the answer in less than 10 minutes. I keep telling myself I must think outside the box, but still no results. Shouldn't be so obsessed with my intelligence...
Last edited:
- #6
asmani
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Oh, did you mean the answer to "?" is all black? Well, that doesn't need a picture.mfb said:
- #7
asmani
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I found this, but it's not very nice: Each element of the first row is some reflection of the union of the other two in its column. So here is the answer:
- #8
mfb
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Yes, and I was confused why you asked for a picture. I mean, sure, I could make one, but I didn't see the point.asmani said:
I don't think I found "the" answer, and I don't even think there is "the" answer. There are many answers.
What I found: For every position, count the number of white dots at this position and at the surrounding positions in the first two rows. If the number is 5 or larger, make a white dot in the third row.
As an example, consider the top spot in the first column: We have the top, top left and center dot in the first row and the top dot in the second row, for a total of 4 white dots. Smaller than 5, so this spot is black.
This algorithm leads to "all black" in the bottom right.
The two columns we have only constrain what the dot color has to be for 2 to 6 and 8, but we don't have 1 anywhere. A slight modification from the rule above: If the number is 1, or 5 or larger, make the dot white. That leads to three white dots.
- #9
asmani
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I understand what you mean by many answers.
That's a nice pattern, thanks!
That's a nice pattern, thanks!
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