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相关概念视频

FISH - Fluorescent In-situ Hybridization02:07

FISH - Fluorescent In-situ Hybridization

Fluorescence in situ hybridization, or FISH, was developed in the early 1980s and has quickly become one of the most widely used techniques in cytogenetics. Labeled probes are used to bind complementary DNA or RNA sequences on a chromosome or in a region within a cell. Earlier, the probes could only be obtained by cloning or reverse transcription of a DNA template. Currently, the probe oligonucleotides can be synthesized synthetically. Additionally, with the advancement of optical techniques,...

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相关实验视频

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Fluorescence detection methods for microfluidic droplet platforms
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开发一种便携式光成像设备,用于检测鱼的新鲜度.

Zheng Pan1, Min Huang1, Qibing Zhu1

  • 1Key Laboratory of Advanced Process Control for Light Industry, Ministry of Education, Jiangnan University, Wuxi 214122, China.

Sensors (Basel, Switzerland)
|March 13, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种低成本的便携式光成像设备,用于快速检测鱼的新鲜度. 该系统实现了高精度 (97.10%) 和快速结果 (不到1秒),提高了水产品的安全性.

关键词:
在FPGA中,FPGA是指FPGA.在YOLOv4-小小的鱼的新鲜度检测器 鱼的新鲜度检测器光成像成像技术的使用.低成本的低成本的成本.快速的 快速的 快速的

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科学领域:

  • * 食品科学与技术 * 食品科学与技术
  • * 应用物理与工程

背景情况:

  • *确保水产品安全需要快速检测鱼的新鲜度.
  • *现有的光学方法在效率,成本和设备集成方面面临挑战.
  • *目前鱼类新鲜度检测技术的局限性阻碍了其广泛采用.

研究的目的:

  • * 开发一种低成本的便携式光成像设备,用于快速评估鱼的新鲜度.
  • * 克服目前鱼类新鲜度检测方法的局限性.
  • * 为实时鱼类质量评估提供一个可访问的工具.

主要方法:

  • * 开发一种使用紫外线发光二极管 (UV-LED) 激发的便携式光成像设备.
  • * 集成了一个可编程门阵列 (FPGA) 板 (ZYNQ XC7Z020) 用于主控制.
  • * 嵌入FPGA的YOLOv4-Tiny模型用于光图像处理和新鲜度测定.

主要成果:

  • * 开发的设备使用草鱼片获得了97.10%的平均鱼的新鲜度检测准确度.
  • * 实时性能证明,每个样本检测时间低于1秒.
  • * 显示低功耗 (总计47.1W),表明高效运行.

结论:

  • *开发的低成本,便携式光成像设备为鱼的新鲜度评估提供了快速而准确的解决方案.
  • *这项技术有可能显著提高水产品的安全性和质量控制.
  • * 该系统的效率,低成本和便携性使其适用于食品工业的实际应用.