measurement

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Calculating homography matrix using arbitrary known geometrical relations

I am using OpenCV for an optical measurement system. I need to carry out a perspective transformation between two images, captured by a digital camera. In the field of view of the camera I placed a se[详细]

2023-04-12 10:59 分类：问答
Getting a string index based on a pixel offset

I am custom drawing a text box and now I am implementing the part where the user can click on a line and have the cursor move to where he clicked.[详细]

2023-04-03 03:25 分类：问答
Is it wise to use "dp" instead of something else?

In Android when Im measuring, is it wise to use DP, or something else? Im scared that dp might change from device to device and my app will look horrible in anything other 开发者_如何学Pythonthan my p[详细]

2023-03-26 03:58 分类：问答
If I call getMeasuredWidth() or getWidth() for layout in onResume they return 0

If I call getMeasuredWidth() or getWidth() for layout in onResume they returns 0. I think that view it\'s not drawn yet in this moment.[详细]

2023-03-25 15:50 分类：问答
getting angle and distance to a set of coordinates

I\'m creating a robot using the Atmel atmega644pa micro-controller and programming it in C. I am trying to create a function where given a pair of coordinates, it will determine the distance to that c[详细]

2023-03-21 06:26 分类：问答
How to measure sequential and parallel runtimes of Haskell program

I am taking measurement of the haskell program from this question to produce the following table with runtimes and speedups summary so I can plot in a graph.[详细]

2023-03-19 07:20 分类：问答
Measuring effort / metrics for software configuration code

I was thinking about software metrics to use in the analysis of the effort to develop a piece of software.As I was thinking about using function-point like metrics for object-oriented software, I came[详细]

2023-03-17 20:59 分类：问答
Integration sampled data in R

I have some measuring data sampled over time and want to integrate it, the test dataset contains ~100000 samples (~100s, 1000Hz) of data.[详细]

2023-03-17 05:49 分类：问答
Representation of a Kilo/Mega/Tera Byte

I was getting a little confused with the representation of different units of bytes. It is accepted throughout that 1 byte = 8 bits.[详细]

2023-03-16 11:13 分类：问答
Measure user time or system time in Ruby without Benchmark or time

Since I\'m doing some time measurements at the moment, I wondered if it is possible to measure the user time or system time without using the Benchmark class or the command line utility time.[详细]

2023-03-13 10:00 分类：问答