The event addresses recent developments in innovative photonic micro sensors with digital image processing for geo-, color-, multi-, hyper- and full-spectral photonic measurement applications for the optical characterization of materials in industry, biology/medicine, environment and security and in daily life.
There will be 3 sessions with a total number of 23 presentations about the following topics:
Furthermore, there will be:
For more information and the full programme, please visit the SpectroNet website.
An overview of implementing Multispectral Imaging coupled with machine learning for the assessment of microbiological quality and authenticity in foods
| time | action | author | organization | title |
| 10:00 a.m. | Tour Fraunhofer IOSB (optional) | |||
| 11:30 a.m. | Registration | |||
| 12:00 p.m. | Opening Ceremony with Prof. Dr. Jürgen Beyerer from Fraunhofer IOSB | |||
| Session 1: Standardization, Image acquisition | ||||
| 12:15 p.m. | Lecture | Bernd Jähne | Uni Heidelberg-IUP | Extending the EMVA 1288 Standard for Sensors Required for Optical Material Characterization |
| 12:40 p.m. | Poster session: Methods 1, Modeling | |||
| Poster | Achim Kehrein | Uni Rhine-Waal | About the Parameter Determination of Overlapping Voigt Profiles from Geometric Features of the Spectrum | |
| Poster | Fabian Roth | RWTH Aachen-ANTS | Automated data acquisition method for sensor-based real-time material flow characterization of recyclable waste streams using sensor fusion A case study | |
| Poster | Maria Jernej | JOANNEUM RESEARCH Forschungsgesellschaft mbH | Optimizing Illumination for Mid-Wave Infrared Hyperspectral Imaging in Black Plastic Recycling | |
| Poster | Johannes Meyer | Fraunhofer IOSB | Inverse rendering for material characterization | |
| Poster | Andreas Polywka | Fraunhofer IOSB | Effective directional reflectance modelling of fine-structured surfaces | |
| 1:00 p.m. | Lunch break & Poster session | |||
| Session 2: Food & Agriculture | ||||
| 2:00 p.m. | Talk | Leo Fiedler | Carl Zeiss AG | Leveraging Grounded SAM and a weakly supervised CNN Filtering for Enhanced Leaf Segmentation in Automated Plant Phenotyping |
| 2:25 p.m. | Talk | Thorsten Tybussek | Fraunhofer IVV | Non-Destructive and Inline Capable Characterization of Grapes by Mid-Infrared Spectroscopy |
| 2:50 p.m. | Talk | Sabine Wittmann | HS Weihenstephan-Triesdorf | Use of VIS-NIR Spectroscopy to Monitor Mango Ripening Quality with Ripening Indices in Professional Ripening Processes |
| 3:15 p.m. | Poster session: Food & Agriculture | |||
| Poster | Anna Taphorn | Fraunhofer IOSB | Non-Destructive Quality Control using a Multi-Sensory Fruit Scanner with NIR and Microwaves | |
| Poster | Kay Plat | greenhub solutions GmbH | Optimisation of Plant Trials in CEA and Vertical Farming through Standardization and Modelling | |
| Poster | Pascal Gauweiler | Fraunhofer IOSB | Optimizing Near-Infrared Spectroscopy for On-line Grape Must Quality Assessment: Addressing the Impact of Suspended Solids | |
| 3:25 p.m. | Coffee break & Poster session |
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| Session 3: Plastics Recycling | ||||
| 3:45 p.m. | Talk | Nikolai Kuhn | Montanuniversität Leoben | Exploring Near-Infrared Spectra of Multi-Material Multi-Layer Packaging – Findings From the PET-Stream |
| 4:10 p.m. | Talk | Malte Vogelgesang | Fraunhofer IWKS | Detection of bio-based additives in plastics using NIR data Opportunity for bio-based markers |
| 4:35 p.m. | Poster session: Recycling | |||
| Poster | Anna Tokareva | Uni Luxembourg | Impact of Demolition Waste Powders on the Microstructure of Cement Mortars: A Comparative Analysis of Concrete, Ceramic, and Mixed Wastes | |
| Poster | Lukas Roming | Fraunhofer IOSB | Robust model development for HSI-based characterization of post-consumer plastics | |
| Poster | Felix Kronenwett | Fraunhofer IOSB / KIT | Adaptive Architectures for Semantic Segmentation in the Field of Sensor-Based Sorting Systems | |
| Poster | Fridolin Blum | University of Applied Sciences Hamburg | Bulky Waste Classification From a Distance: Challenges and First Insights | |
| Poster | Wolfgang Becker | Fraunhofer ICT | MIR measurements combined with photon-up-conversion technology to measure and identify black polymers | |
| 4:50 p.m | Coffee break & Poster session | |||
| Session 4: Deep Learning in Recycling | ||||
| 5:10 p.m. | Talk | Maria Kainz | JOANNEUM RESEARCH Forschungsgesellschaft mbH | Supervised and Unsupervised Textile Classification via Near-Infrared Hyperspectral Imaging and Deep Learning |
| 5:35 p.m. | Talk | Gerald Koinig | Montanuniversität Leoben | CNN-Based Copper Reduction in Shredded Scrap for Enhanced Electric Arc Furnace Steelmaking |
| 6:00 p.m. | End of the first day | |||
| 7:00 p.m. | Change of Location for Special Presentation and Dinner | |||
| time | action | author | organization | title |
| Session 5: Methods | ||||
| 9:00 a.m. | Talk | Johannes Emmert | Fraunhofer IIS | Towards continual learning with the Artificial Neural Twin applied to recycling processes |
| 9:25 a.m. | Talk | Genc Ahmeti | Wilhelm-Schickard-Institute for Computer Science University of Tuebingen | Transfer Learning for Hyperspectral Image Classification |
| 9:50 a.m. | Talk | Abtin Maghmoumi | RWTH Aachen | Assessment of compression algorithms and their reconstruction performance on 1 Near-Infrared Spectral Images |
| 10:15 a.m. | Talk | Dennis Hofmann | Uni Heidelberg-IUP | Measurement of Air-Water Gas Exchange by Fluorescence Imaging |
| 10:40 a.m. | Poster session: Methods 2 | |||
| Poster | Florian F. Linscheid | Uni Augsburg | Prediction of various material parameters using a combination of non-destructive sensors and artificial intelligence | |
| Poster | Jannick Küster | Fraunhofer IOSB | Hyperspectral Data Compression and its Impact on Spectral Signatures of Water Bodies | |
| Poster | Achim Kehrein | Uni Rhine-Waal | About the Determination of Intensities and Shape Parameters of Overlapping Voigt Profiles Directly from Geometric Properties of the Spectrum | |
| 10:50 a.m. | Coffee break & Poster session | |||
| Session 6: Methods 2 | ||||
| 11:10 a.m. | Panel talk | Alexander Braun | A novel scan-free one-shot refractometer for the whole dispersion curve | |
| 12:00 p.m. | Lunch break | |||
| Session 7: Construction & Demolition Waste | ||||
| 1:00 p.m. | Talk | Paul Bäcker | Fraunhofer IOSB | PAH Detection in Road Surface Residue Using Various Hyperspectral Imaging Sensors |
| 1:25 p.m. | Talk | Patrick Hunhold | Materials Research and Testing Institute Weimar | Approach to Increase Resource Efficiency in Natural Gypsum using Hyperspectral Imaging and Machine Learning Methods |
| 1:50 p.m. | Coffee break | |||
| Session 8: Food | ||||
| 2:10 p.m. | Talk | Sebastian Tück | PROBAT SE | Advancing Coffee Roasting: A Data-Driven Approach to Efficiency |
| 2:35 p.m. | Talk | Patrick Menz | Fraunhofer IFF | On the Rapid Aging of Roasted Coffee Beans – A Hyperspectral Freshness Analysis |
| 3:00 p.m. | Talk | Johannes Schlosser | Uni Bayreuth | Classification of overall sensory acceptability of modified-air packaged (MAP) minced pork stored at different temperatures using fluorescence spectroscopy |
| 3:25 p.m. | Best Paper Award, Summary and Conclusion | |||
| 3:45 p.m. | End | |||
Fraunhofer Institute of Optronics, System Technologies and Image Exploitation IOSB - Karlsruhe Center for Material Signatures KCM