Hyperspectral Imaging for Identifying Foreign Objects on Pork Belly

• URL: http://arxiv.org/abs/2503.16086v1
• Date: Thu, 20 Mar 2025 12:28:31 GMT
• Title: Hyperspectral Imaging for Identifying Foreign Objects on Pork Belly
• Authors: Gabriela Ghimpeteanu, Hayat Rajani, Josep Quintana, Rafael Garcia,
• Abstract summary: This study presents an automated solution for detecting foreign objects on pork belly meat using hyperspectral imaging (HSI)<n>A hyperspectral camera was used to capture data across various bands in the near-infrared (NIR) spectrum (900-1700 nm)<n>The proposed solution combines pre-processing techniques with a segmentation approach based on a lightweight Vision Transformer (ViT) to distinguish contaminants from meat, fat, and conveyor belt materials.
• Score: 0.11249583407496218
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Ensuring food safety and quality is critical in the food processing industry, where the detection of contaminants remains a persistent challenge. This study presents an automated solution for detecting foreign objects on pork belly meat using hyperspectral imaging (HSI). A hyperspectral camera was used to capture data across various bands in the near-infrared (NIR) spectrum (900-1700 nm), enabling accurate identification of contaminants that are often undetectable through traditional visual inspection methods. The proposed solution combines pre-processing techniques with a segmentation approach based on a lightweight Vision Transformer (ViT) to distinguish contaminants from meat, fat, and conveyor belt materials. The adopted strategy demonstrates high detection accuracy and training efficiency, while also addressing key industrial challenges such as inherent noise, temperature variations, and spectral similarity between contaminants and pork belly. Experimental results validate the effectiveness of hyperspectral imaging in enhancing food safety, highlighting its potential for broad real-time applications in automated quality control processes.

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