Multi-channel high-speed CMOS image acquisition and pre-processing system

2008 ◽  
Author(s):  
Chun-feng Sun ◽  
Feng Yuan ◽  
Zhen-liang Ding
Keyword(s):  
High Speed ◽  
Image Acquisition ◽  
Processing System

High-Speed Visible Image Acquisition and Processing System for Plasma Shape and Position Control of EAST Tokamak

2018 ◽  
Vol 46 (5) ◽  
pp. 1312-1317 ◽  
Author(s):  
Heng Zhang ◽  
Bingjia Xiao ◽  
Zhengping Luo ◽  
Qin Hang ◽  
Jianhua Yang
Keyword(s):  
High Speed ◽  
Position Control ◽  
Image Acquisition ◽  
Processing System ◽  
Visible Image

A high-speed image acquisition and processing system in photoelectric tracking

2011 ◽  
Author(s):  
Lai-an Qin ◽  
Zai-hong Hou ◽  
Yi Wu ◽  
Feng-fu Tan ◽  
Feng He
Keyword(s):  
High Speed ◽  
Image Acquisition ◽  
Processing System

The Weld Image Acquisition and Preprocessing Based on FPGA

2013 ◽  
Vol 401-403 ◽  
pp. 1507-1513 ◽  
Author(s):  
Zhong Hu Yuan ◽  
Wen Tao Liu ◽  
Xiao Wei Han
Keyword(s):  
Image Processing ◽  
Real Time ◽  
High Speed ◽  
High Performance ◽  
Image Acquisition ◽  
Processing System ◽  
Large Data ◽  
Seam Tracking ◽  
Image Processing System ◽  
Time Requirements

In the weld image acquisition system, real-time image processing has been a difficult design bottleneck to break through, especially for the occasion of large data processing capability and more demanding real-time requirements, in which the traditional MCU can not adapt, so using high-performance FPGA as the core of the high speed image acquisition and processing card, better meets the large amount of data in most of the image processing system and high demanding real-time requirements. At the same time, system data collection, storage and display were implemented by using Verilog, and in order to reducing the influence of edge detection noise, the combination of image enhancement and median filtering image preprocessing algorithm was used. Compared to the pre-processing algorithm of the software implementation, it has a great speed advantage, and simplifies the subsequent processing work load, improves the speed and efficiency of the entire image processing system greatly. So it proves that the system has strong ability of restraining the noise of image, and more accurate extracted edge positioning, it can be applied in the seam tracking field which need higher real-time requirements.

Platform of Image Acquisition and Processing Based on DSP and FPGA

2013 ◽  
Vol 457-458 ◽  
pp. 932-937 ◽  
Author(s):  
Rong Chun Sun ◽  
Yan Piao
Keyword(s):  
High Speed ◽  
Image Acquisition ◽  
Processing System ◽  
Image Data ◽  
Image Sensor ◽  
Main Function ◽  
Processor Core ◽  
Usb Communication ◽  
Function Modules ◽  
Fast Development

Real-time image acquisition and processing system is widely used. In order to realize the fast development of the relative project, an image acquisition and processing platform is presented. In the design, the DSP of TMS320C6416 is used as high-speed signal processor core, and the FPGA of XC3S700 is taken to offer embedded memory, and connecting DSP and CMOS image sensor. To reduce the burden of CPU, the EDMA technology is used to finish the image data transmission. The main function modules of the platform include acquisition, processing, USB communication, and VGA displaying. The platform can acquire image, display image and make some image processing operations such as geometry transform, orthographic transform, features extracting, target recognition and target tracking. Experiment results show that design of the image acquisition and processing system is reasonable, feasible and has some application value.

Development of High-Speed Image Acquisition and Processing System for Real-Time Plasma Control on EAST

2021 ◽  
pp. 1-9
Author(s):  
Qin Hang ◽  
Heng Zhang ◽  
Dalong Chen ◽  
Yao Huang ◽  
Bingjia Xiao ◽  
...  
Keyword(s):  
Real Time ◽  
High Speed ◽  
Image Acquisition ◽  
Processing System ◽  
Plasma Control

Scanning x-ray fluorescence microscopy and principal component analysis

1992 ◽  
Vol 50 (2) ◽  
pp. 1752-1753
Author(s):  
Brian Cross
Keyword(s):  
Principal Component Analysis ◽  
Fluorescence Microscopy ◽  
Spatial Resolution ◽  
High Speed ◽  
Image Acquisition ◽  
Principal Component ◽  
Fluorescence Microscope ◽  
Acquisition Rate ◽  
X Ray ◽  
Speed Up

A relatively new entry, in the field of microscopy, is the Scanning X-Ray Fluorescence Microscope (SXRFM). Using this type of instrument (e.g. Kevex Omicron X-ray Microprobe), one can obtain multiple elemental x-ray images, from the analysis of materials which show heterogeneity. The SXRFM obtains images by collimating an x-ray beam (e.g. 100 μm diameter), and then scanning the sample with a high-speed x-y stage. To speed up the image acquisition, data is acquired "on-the-fly" by slew-scanning the stage along the x-axis, like a TV or SEM scan. To reduce the overhead from "fly-back," the images can be acquired by bi-directional scanning of the x-axis. This results in very little overhead with the re-positioning of the sample stage. The image acquisition rate is dominated by the x-ray acquisition rate. Therefore, the total x-ray image acquisition rate, using the SXRFM, is very comparable to an SEM. Although the x-ray spatial resolution of the SXRFM is worse than an SEM (say 100 vs. 2 μm), there are several other advantages.

scholarly journals Module to Support Real-Time Microscopic Imaging of Living Organisms on Ground-Based Microgravity Analogs

2021 ◽  
Vol 11 (7) ◽  
pp. 3122
Author(s):  
Srujana Neelam ◽  
Audrey Lee ◽  
Michael A. Lane ◽  
Ceasar Udave ◽  
Howard G. Levine ◽  
...  
Keyword(s):  
Real Time ◽  
High Speed ◽  
Simulated Microgravity ◽  
Image Acquisition ◽  
Time Lapse ◽  
Moving Frames ◽  
Cell Functions ◽  
Microgravity Simulation ◽  
Division Cell ◽  
Over Time

Since opportunities for spaceflight experiments are scarce, ground-based microgravity simulation devices (MSDs) offer accessible and economical alternatives for gravitational biology studies. Among the MSDs, the random positioning machine (RPM) provides simulated microgravity conditions on the ground by randomizing rotating biological samples in two axes to distribute the Earth’s gravity vector in all directions over time. Real-time microscopy and image acquisition during microgravity simulation are of particular interest to enable the study of how basic cell functions, such as division, migration, and proliferation, progress under altered gravity conditions. However, these capabilities have been difficult to implement due to the constantly moving frames of the RPM as well as mechanical noise. Therefore, we developed an image acquisition module that can be mounted on an RPM to capture live images over time while the specimen is in the simulated microgravity (SMG) environment. This module integrates a digital microscope with a magnification range of 20× to 700×, a high-speed data transmission adaptor for the wireless streaming of time-lapse images, and a backlight illuminator to view the sample under brightfield and darkfield modes. With this module, we successfully demonstrated the real-time imaging of human cells cultured on an RPM in brightfield, lasting up to 80 h, and also visualized them in green fluorescent channel. This module was successful in monitoring cell morphology and in quantifying the rate of cell division, cell migration, and wound healing in SMG. It can be easily modified to study the response of other biological specimens to SMG.

Design of Virtex-7 FPGA-Based High-Speed Signal Processor Carrier Board

2015 ◽  
Vol 719-720 ◽  
pp. 534-537
Author(s):  
Wen Hua Ye ◽  
Huan Li
Keyword(s):  
Signal Processing ◽  
Digital Signal Processing ◽  
High Speed ◽  
Processing System ◽  
Digital Signal ◽  
Signal Processing System ◽  
High Speed Adc ◽  
High Speed Data ◽  
Processor Speed ◽  
Signal Processor

With the development of digital signal processing technology, the demand on the signal processor speed has become increasingly high. This paper describes the hardware design of carrier board in high-speed signal processing module, which using Xilinx's newest Virtex-7 FPGA family XC7VX485T chip, and applying high-speed signal processing interface FMC to transport and communicate high-speed data between carrier board and daughter card with high-speed ADC and DAC. This design provides a hardware implementation and algorithm verification platform for high-speed digital signal processing system.

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