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Various Plastic Type Classification using Hyperspectral Imaging Camera
Overview Interest in the environment is increasing around the world, and accordingly, interest in recycling is also increasing. Among them, plastic is a very familiar material that is actively used in various industries such as plastic bags, straws, food containers, [...]
Tips for image acquisition using a rotary encoder
Before beginning In order to acquire accurate 2D images with line sensor, the movement speed of the object and the scan rate must be synced perfectly. ※Scan rate: Time to capture 1 line In case the camera’s scan rate is [...]
[C#] Fourier transform (FFT, DFT) Program
Using MS Excel’s Macro function allows an automatic transformation of Fast Fourier Transform(FFT) and Discrete Fourier Transform (DFT) of individual data, however, users may find it difficult to use sometimes, as it takes much of data when using MS Excel, [...]
[C#] Comparison processing time of obtaining the brightness value of image
It is common to obtain or set up the brightness by exposing the button at LockBits~UnlockBits in C#, as using GetPixel or SetPixel method make the brightness value obtaining process slow. Today, I will compare the processing time by [...]
Key Elements in Selecting High-speed, High-performance Digitizer
Today, I would like to introduce an analog input/output interface board that may seem a little unfamiliar in the machine vision industry. Sensors that are generally readily used around measuring temperature, pressure, flowrate, vibration, etc. displays analog signals, and actuators [...]