Papers

61,005 results
|
Article Tier 2

High-throughput microplastic assessment using polarization holographic imaging

Researchers built a portable, low-cost system that uses holographic imaging and polarized light combined with deep learning to automatically detect, count, and classify microplastics in water in real time — without lengthy sample preparation. This tool significantly speeds up microplastic monitoring and could be widely deployed for environmental surveillance.

2024 Scientific Reports 36 citations
Article Tier 2

Microplastic Identification via Holographic Imaging and Machine Learning

Researchers combined holographic imaging with machine learning algorithms to automatically identify and classify microplastics in water samples, achieving accurate particle detection without manual microscopy. This automated approach could significantly speed up microplastic monitoring in environmental samples.

2019 Advanced Intelligent Systems 155 citations
Article Tier 2

Microplastic pollution monitoring with holographic classification and deep learning

This study used digital holographic microscopy combined with deep learning to classify microplastic particles in water samples, achieving high classification accuracy and demonstrating the potential for automated, high-throughput microplastic monitoring.

2021 Journal of Physics Photonics 67 citations
Article Tier 2

Digital holographic imaging and classification of microplastics using deep transfer learning

Researchers developed a digital holographic imaging system combined with deep learning to automatically classify and analyze microplastic particles in water samples. Automated imaging and AI-based identification could significantly speed up and standardize microplastic monitoring, reducing the labor-intensive manual counting currently required.

2020 Applied Optics 58 citations
Article Tier 2

Automatic Detection of Microplastics by Deep Learning Enabled Digital Holography

Researchers developed a digital holography system combined with deep learning to automatically detect and identify microplastics in water without manual image analysis. The system processes raw holographic images directly, offering a faster and more scalable approach to microplastic monitoring in environmental samples.

2020 Imaging and Applied Optics Congress 12 citations
Article Tier 2

Micro-Objects Classification for Microplastic Pollution Detection using Holographic Images

Researchers developed a machine learning system that uses holographic 3D images to automatically classify microplastics in water samples, distinguishing them from other microscopic particles with high precision. Current microplastic monitoring is slow and labor-intensive, so automated detection tools are essential for large-scale environmental surveillance. This approach could significantly speed up the monitoring of microplastic pollution in aquatic environments.

2024 2 citations
Article Tier 2

Computational Polarimetric Holography for Efficient Microplastic Classification via a Lightweight Wavelet-Enhanced Vision Transformer

Researchers built a portable device that uses light patterns (holographic polarimetry) to identify different types of microplastics in water, then trained a lightweight AI model to classify them with 97.97% accuracy while cutting computing power needs by over half. This breakthrough could enable real-time microplastic monitoring directly in the field, rather than in a laboratory.

2026 Optics Express
Article Tier 2

Holographic Classifier: Deep Learning in Digital Holography for Automatic Micro-objects Classification

Researchers developed a deep learning system using digital holography to automatically classify micro-objects such as microplastics and pollutant particles without manual image processing. The system achieved fast, accurate identification, offering a promising automated tool for environmental pollution monitoring.

2020 19 citations
Article Tier 2

Polarization Holographic Imaging for High-throughput Microplastic Analysis

Researchers developed a polarization holography system integrated with deep learning for high-throughput microplastic detection and analysis in aqueous environments. The system enables dynamic, real-time multimodal monitoring of microplastics by leveraging polarization contrast to distinguish particles in liquid samples.

2023 3 citations
Article Tier 2

Digital holographic microplastics detection and characterization in heterogeneous samples via deep learning

Researchers used digital holographic microscopy combined with deep learning to detect and characterize microplastic particles in heterogeneous samples containing algae, microorganisms, and other natural particles. This automated approach could improve the speed and accuracy of environmental microplastic monitoring.

2021 Twelfth International Conference on Information Optics and Photonics 7 citations
Article Tier 2

Identification of Microplastics Based on the Fractal Properties of Their Holographic Fingerprint

Researchers developed an AI-enabled holographic imaging approach to identify microplastics in water using the fractal properties of their holographic fingerprints, offering a fast, label-free identification method.

2021 ACS Photonics 57 citations
Article Tier 2

Nanoplastics in Water: Artificial Intelligence-Assisted 4D Physicochemical Characterization and Rapid In Situ Detection

Researchers developed an artificial intelligence-powered holographic microscopy system that can detect and classify nanoplastics in water in real time, without any sample preparation. The technology identified particles as small as 135 nanometers and tracked their movement in three dimensions. This represents a significant advancement in environmental monitoring, as previous methods required extensive lab processing to detect plastic particles this small.

2024 Environmental Science & Technology 34 citations
Article Tier 2

Digital holographic approaches to the detection and characterization of microplastics in water environments

This review examines advances in using digital holography as a high-throughput tool for detecting and characterizing microplastics in water. Researchers discuss both the hardware and software developments, including the growing role of artificial intelligence for classification tasks. The study highlights the emergence of field-portable holographic flow cytometers as a promising technology for real-time water monitoring of microplastic contamination.

2023 Applied Optics 20 citations
Article Tier 2

Deep Classification of Microplastics Through Image Fusion Techniques

Deep neural networks were applied to classify microplastic fibers captured via digital holography microscopy, using image fusion techniques on the Holography Micro-Plastic Dataset benchmark. The study demonstrated promising accuracy for distinguishing microplastics from other debris, advancing automated microplastic identification in water quality monitoring.

2024 IEEE Access 8 citations
Article Tier 2

Intelligent Digital Holographic systems to counteract microplastic pollution in marine waters

Researchers developed a digital holography system capable of detecting and classifying microplastic particles in seawater in a label-free, high-throughput manner. The system can identify plastic particles that are otherwise invisible to the naked eye and can be adapted for use with microfluidic devices. This technology offers a faster and more compact alternative to traditional microscopy methods for marine microplastic monitoring.

2022 2022 IEEE International Workshop on Metrology for the Sea; Learning to Measure Sea Health Parameters (MetroSea) 4 citations
Article Tier 2

Microplastic pollution assessment with digital holography and zero-shot learning

Researchers developed a digital holography system combined with zero-shot machine learning to identify and characterize microplastics in environmental samples without requiring labeled training data, offering a promising automated tool for large-scale microplastic monitoring.

2022 APL Photonics 31 citations
Article Tier 2

Smart polarization and spectroscopic holography for real-time microplastics identification

Researchers developed a new optical imaging system called SPLASH that simultaneously captures polarization, holographic, and texture data from tiny particles — without needing a traditional spectrometer — and used machine learning to identify different types of microplastics with high accuracy. This approach could enable faster, more practical real-time monitoring of microplastic pollution in water.

2024 Communications Engineering 30 citations
Article Tier 2

Efficient Microplastic Detection in Water Using ResNet50 and Fluorescence Imaging

Researchers applied a ResNet50 deep learning model to fluorescence microscopy images of water samples, achieving high-accuracy classification of microplastics, demonstrating that deep learning can efficiently automate microplastic identification from microscopy data.

2025
Article Tier 2

Enhanced classification of microplastic polymers (polyethylene, polystyrene, low‐density polyethylene, polyhydroxyalkanoate) in waterbodies

Researchers developed a new deep learning model to automatically detect and classify different types of microplastic polymers in water from holographic images. The system combines advanced image segmentation with a vision transformer to identify polyethylene, polystyrene, low-density polyethylene, and polyhydroxyalkanoate particles. The approach aims to improve the speed and accuracy of microplastic monitoring in aquatic environments compared to traditional manual methods.

2024 Polymers for Advanced Technologies 4 citations
Article Tier 2

Material analysis with polarization holography and machine learning

Researchers developed a polarization holographic imaging system combined with machine learning to identify different materials, demonstrating the approach on microplastic identification. This novel optical method could become a fast, non-destructive tool for classifying microplastics in environmental samples.

2023 1 citations
Article Tier 2

Compact holographic microscope for imaging flowing microplastics

Researchers developed a compact holographic microscope capable of imaging flowing microplastics in aquatic environments, providing a fast, quantitative method for real-time characterization of plastic particle size and shape distributions.

2021 7 citations
Article Tier 2

Deep Learning Approaches for Detection and Classification of Microplastics in Water for Clean Water Management

Researchers applied dual deep learning models (YOLOv8, YOLOv11, and several CNN architectures) to detect and classify microplastics in water, finding that these AI approaches could accurately identify plastic types across both aquatic and non-aquatic datasets.

2025
Article Tier 2

Holographic and polarization features analysis for microplastics characterization and water monitoring

Researchers explored digital holography and polarization imaging as a combined technique for characterizing and classifying microplastics in water, computing features including angle of polarization (AoP) and degree of linear polarization (DoLP) to distinguish microplastics from biological and natural particles. The method demonstrated potential for real-time, non-contact, in situ microplastic detection and water quality monitoring.

2023 4 citations
Article Tier 2

On the use of machine learning for microplastic identification from holographic phase-contrast signatures

This study applied machine learning to identify microplastic types from holographic phase-contrast imaging signatures, achieving rapid automated classification. Automated identification tools are important for scaling up microplastic monitoring in marine waters where manual identification is too slow and labor-intensive.

2023 2 citations