Programmer Think

Clipping input data to the valid range for imshow with RGB data Today, there is a problem when extracting RGB channel values of color images to synthesize single channel images: Clipping input data to the valid range for imshow with RGB data ([0..1] for floats or [0..255] for integers). Give the reason first: matplotlib.pyplot.imshow() fun ...

1, Multiple choice questions Details in the course. 2, Noun interpretation 1. Color space: also known as color model, color space, color model, etc., it is a storage method of images in the computer. 2. Perspective transformation: perspective transformation will convert the image into any quadrilateral. Its main feature is that all lines in ...

Recently, little F saw a problem about shaking tiktok. It is mentioned that at present, China's per capita swipes short videos for 110 minutes a day. Look at this data, it seems that little F has been averaged again. But honestly, as long as we turn on the jitter, F is really tiktok. Therefore, we should tiktok and read more books. Or tim ...

Preliminary analysis of BMP pictures Open a color image file and save it as 32-bit, 16 bit color and 256 color, 16 color and monochrome bitmap (BMP) files respectively Calculate the storage capacity of pictures in memory The bitmap size calculation formula is; (length) × high × Bit depth) / 8/1024 KB The size of this 256 c ...

1. Objectives You will find answers to the following questions: How to print and read text entries into a file and OpenCV using YAML or XML files?How to do the same OpenCV data structure?How do you do this for your data structure?Use OpenCV data structures, such as cv::FileStorage, cv::FileNode, or cv::FileNodeIterator. 2. Source code The f ...

preface I've been envious of the big guy's ability to make a project of running bad apple with characters, and I've always wanted to try. Recently, I suddenly thought of it, so I did it myself. Many of the codes in the project are borrowed from the big guys. I also thank many big guys for their detailed blogs. It mainly draws lessons from ...

1, Source code analysis and space creation release 1.1 inline features 1.2 characteristics The inline keyword must be placed with the function body definition. It has no effect in combination with the declaration. 1.2.1 difference of call overhead The implementation is so simple that its consumption is even less than that of standard ...

This section is what I encounter when I really use it. I need to build a dynamic library, but this dynamic library depends on some external libraries, such as opencv and matlab. How to build such a dynamic library? How to test when the build is ready? This chapter will introduce the process in detail: 1.ubuntu installation opencv   &nbsp ...

          When working in the adhesive film company in the photovoltaic industry, the work of data sorting is monotonous and boring. How can a lazy manufacturing industry who advocates automatic office stand it?!         The screenshot of the EL test results of photovoltaic modu ...

Create and use classes Create Dog class Each instance created according to the Dog class will store the name and age, and give each Dog the ability to squat (hit ()) and roll_over(): class dog: def __init__(self,name,age): """Initialize properties name and age""" self.name = name self.age = age def sit(se ...