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Micromachines 2017, 8(3), 74; doi:10.3390/mi8030074

FPGA-Based HD Camera System for the Micropositioning of Biomedical Micro-Objects Using a Contactless Micro-Conveyor

1
Nanomedicine Lab, University de Bourgogne Franche-Comte, Besancon 25000, France
2
Institut Femto-ST, University de Bourgogne Franche-Comte, Besancon 25000, France
3
Electrical and Computer Engineering Department, Effat University, Jeddah 21478, Saudi Arabia
4
Physics Laboratory, Ecole Normale Supérieure-Bou Saada, 28200 M’Sila, Algeria
*
Authors to whom correspondence should be addressed.
Academic Editors: Roger Jagdish Narayan, Adrian Martinez-Rivas, Marco Ramírez Salinas and Nam-Trung Nguyen
Received: 16 December 2016 / Revised: 6 February 2017 / Accepted: 21 February 2017 / Published: 2 March 2017
(This article belongs to the Special Issue Medical Microdevices and Micromachines)

Abstract

With recent advancements, micro-object contactless conveyers are becoming an essential part of the biomedical sector. They help avoid any infection and damage that can occur due to external contact. In this context, a smart micro-conveyor is devised. It is a Field Programmable Gate Array (FPGA)-based system that employs a smart surface for conveyance along with an OmniVision complementary metal-oxide-semiconductor (CMOS) HD camera for micro-object position detection and tracking. A specific FPGA-based hardware design and VHSIC (Very High Speed Integrated Circuit) Hardware Description Language (VHDL) implementation are realized. It is done without employing any Nios processor or System on a Programmable Chip (SOPC) builder based Central Processing Unit (CPU) core. It keeps the system efficient in terms of resource utilization and power consumption. The micro-object positioning status is captured with an embedded FPGA-based camera driver and it is communicated to the Image Processing, Decision Making and Command (IPDC) module. The IPDC is programmed in C++ and can run on a Personal Computer (PC) or on any appropriate embedded system. The IPDC decisions are sent back to the FPGA, which pilots the smart surface accordingly. In this way, an automated closed-loop system is employed to convey the micro-object towards a desired location. The devised system architecture and implementation principle is described. Its functionality is also verified. Results have confirmed the proper functionality of the developed system, along with its outperformance compared to other solutions. View Full-Text
Keywords: Field Programmable Gate Array (FPGA); VHSIC Hardware Description Language (VHDL); camera driver; embedded design; micro-conveyor; image processing; C++ programming Field Programmable Gate Array (FPGA); VHSIC Hardware Description Language (VHDL); camera driver; embedded design; micro-conveyor; image processing; C++ programming
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Yusifli, E.; Yahiaoui, R.; Qaisar, S.M.; Addouche, M.; Al-Mahdawi, B.; Bourouina, H.; Herlem, G.; Gharbi, T. FPGA-Based HD Camera System for the Micropositioning of Biomedical Micro-Objects Using a Contactless Micro-Conveyor. Micromachines 2017, 8, 74.

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