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ISP-BLC(Black Level Correction) Causes of BL dark current Dark current, also known as non illumination current, refers to the current flowing in the light receiving elements of solar cells, photodiodes, photoconductive elements, photocells, etc. without light irradiation, which is generally caused by carrier diffusion or internal defects of ...

This blog will introduce three color spaces (RGB, HSV, Lab) in OpenCV and their conversion, and discuss the key role of lighting conditions and color space in computer vision applications. The key point is to always consider lighting conditions before writing code! In general, it is easier to control lighting conditions than to write code ...

   before starting the text, first know that the (0, 0) coordinate point in the screen is in the upper left corner and the maximum coordinate is in the lower right corner. 1, Drawing of basic graphics 1. Rectangle    the function of drawing rectangle in OpenCV is rectangle(). void rectangle(InputOutputArray img, Rect ...

1) Experimental platform: ZYNQ development board of punctual atomic navigator 2) Platform purchase address: https://item.taobao.com/item.htm?&id=606160108761 3) Full set of experimental source code + manual + video download address: http://www.openedv.com/thread-301505-1-1.html 4) Students interested in punctual atomic FPGA can add group di ...

halcon shape matching 1. Examples Specify the template image area (you can also draw a rectangle with draw_rectangle1) Row1 := 188 Column1 := 182 Row2 := 298 Column2 := 412 gen_rectangle1 (ROI, Row1, Column1, Row2, Column2) reduce_domain (ModelImage, ROI, ImageROI) Create template If the template contains not only the direction but also the ...

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1, Introduction Mathematical morphology operations can be divided into binary morphology and gray morphology. Gray morphology is extended from binary morphology. Mathematical morphology has two basic operations, namely corrosion and expansion, and corrosion and expansion form open operation and closed operation through combination. The open ope ...

Excerpt: OpenCV parallel acceleration_ for_ ParallelLoopBody tutorialopencv parallel computing function parallel_for_ Use ofOfficial website: Parallel ProcessingGao Xiang, Zhang Tao, 14 lectures on visual SLAM In the process of using OpenCV, the amount of processing and calculation of pictures is still large, so how to calculate efficient ...

1, Introduction to license plate recognition License plate recognition technology originated in the early 1980s. Image pattern recognition and computer vision play an important role in it. With the rapid popularization and progress of computer technology, the license plate recognition system was gradually put into the market and used in the mi ...

1, Introduction of shooting simulation system 1 subject description 2 subject modeling process a) First, obtain the parameters of the weapon, and calculate the response common deviation of the weapon in direction and height from these parameters; b) Second, the deviation of direction and height in the shooting process is normally distributed. ...