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computer vision - Detecting garbage homographies from findHomography in OpenCV?

I'm using findHomography on a list of points and sending the result to warpPerspective. The problem is that ... sends me bad results? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - What is the difference between a disparity map and a disparity image in stereo matching?

I am new to stereo matching. I couldn't understand the concept of disparity. What are a disparity map and ... is the difference between them? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - Fixed point vs Floating point number

I just can't understand fixed point and floating point numbers due to hard to read definitions about them ... plain definition with example? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - How is the camera coordinate system in OpenCV oriented?

I'm trying to get the 3D coordinate of a point from the triangulation of two view. I'm not really ... Thanks in advance for a clarification! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - Level of Indirection solves every Problem

What does the quote "Level of Indirection solves every Problem" mean in Computer Science? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - What is the role of stack in a microprocessor?

What is the role of stack in a microprocessor? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - Why is {a^nb^n | n >= 0} not regular?

In a CS course I'm taking there is an example of a language that is not regular: {a^nb^n | n >= 0} I ... this, or point me too a good resource? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - What kind of formal languages can modern regex engines parse?

Here on SO people sometimes say something like "you cannot parse X with regular expressions, because X is not a ... would be unable to parse. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer science - What exactly is the halting problem?

Whenever people ask about the halting problem as it pertains to programming, people respond with "If you just add one ... of moot, isn't it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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computer vision - How to get the real life size of an object from an image, when not knowing the distance between object and the camera?

I have to make a mobile app that calculates the real life size of an object in an image. I have done ... from images have real life dimensions? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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