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Novelty detection o...
Novelty detection of foreign objects in food using multi-modal X-ray imaging
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- Einarsdóttir, Hildur (author)
- Technical University of Denmark
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- Emerson, Monica Jane (author)
- Technical University of Denmark
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- Clemmensen, Line Harder (author)
- Technical University of Denmark
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- Scherer, Kai (author)
- Technical University of Munich
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- Willer, Konstantin (author)
- Technical University of Munich
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- Bech, Martin (author)
- Lund University,Lunds universitet,Medicinsk strålningsfysik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medical Radiation Physics, Lund,Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Technical University of Munich
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- Larsen, Rasmus (author)
- Technical University of Denmark
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- Ersbøll, Bjarne Kjær (author)
- Technical University of Denmark
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- Pfeiffer, Franz (author)
- Technical University of Munich
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(creator_code:org_t)
- Elsevier BV, 2016
- 2016
- English 9 s.
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In: Food Control. - : Elsevier BV. - 0956-7135. ; 67, s. 39-47
- Related links:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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Abstract
Subject headings
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- In this paper we demonstrate a method for novelty detection of foreign objects in food products using grating-based multimodal X-ray imaging. With this imaging technique three modalities are available with pixel correspondence, enhancing organic materials such as wood chips, insects and soft plastics not detectable by conventional X-ray absorption radiography. We conduct experiments, where several food products are imaged with common foreign objects typically found in the food processing industry. To evaluate the benefit from using this multi-contrast X-ray technique over conventional X-ray absorption imaging, a novelty detection scheme based on well known image- and statistical analysis techniques is proposed. The results show that the presented method gives superior recognition results and highlights the advantage of grating-based imaging.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Radiologi och bildbehandling (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Radiology, Nuclear Medicine and Medical Imaging (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Livsmedelsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Food Science (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- Dark-field imaging
- Foreign object detection
- Novelty detection
- Phase-contrast imaging
- Texture analysis
- X-ray radiography
Publication and Content Type
- art (subject category)
- ref (subject category)
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