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The basic process by which imaging particle analysis is carried out is as follows: A digital camera captures an image of the field of view in the optical system. A gray scale thresholding process is used to perform image segmentation, segregating out the particles from the background, creating a binary image of each particle. [4] [5] [6]
The dust analyzer is a mass spectrometer able to provide real-time detection and analysis of certain compounds and elements. Particles enter the instrument after colliding with a silver impact plate and traveling down a tube to the detector. The detector is then able to detect the mass of separate ions by measuring the time taken for each ion ...
libpcap, WinPcap, and Npcap also support saving captured packets to a file, and reading files containing saved packets; applications can be written, using libpcap, WinPcap, or Npcap, to be able to capture network traffic and analyze it, or to read a saved capture and analyze it, using the same analysis code. A capture file saved in the format ...
First the particles are detected and then the localized different particles are connected in order to obtain individual trajectories. Besides performing particle tracking in 2D, there are several imaging modalities for 3D particle tracking, including multifocal plane microscopy , [ 26 ] double helix point spread function microscopy, [ 27 ] and ...
Wireshark is a data capturing program that "understands" the structure (encapsulation) of different networking protocols. It can parse and display the fields, along with their meanings as specified by different networking protocols. Wireshark uses pcap to capture packets, so it can only capture packets on the types of networks that pcap supports.
Particle size analysis, particle size measurement, or simply particle sizing, is the collective name of the technical procedures, or laboratory techniques which determines the size range, and/or the average, or mean size of the particles in a powder or liquid sample.
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The 3-D particle tracking velocimetry (PTV) belongs to the class of whole-field velocimetry techniques used in the study of turbulent flows, allowing the determination of instantaneous velocity and vorticity distributions over two or three spatial dimensions. 3-D PTV yields a time series of instantaneous 3-component velocity vectors in the form of fluid element trajectories.