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Jinyan Ju, Zhenyang Lv, Wuxiong Weng, Zongfeng Zou, Tenghui Lin, Yingying Liu, Zhentao Wang and Jinfeng Wang
Accurate estimation of wheat leaf nitrogen concentration (LNC) is critical for characterizing ecosystem and plant physiological processes; it can further guide fertilization and other field management operations, and promote the sustainable development o...
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Yuanyuan Shao, Shengheng Ji, Guantao Xuan, Yanyun Ren, Wenjie Feng, Huijie Jia, Qiuyun Wang and Shuguo He
The objective is to develop a portable device capable of promptly identifying root rot in the field. This study employs hyperspectral imaging technology to detect root rot by analyzing spectral variations in chili pepper leaves during times of health, in...
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Razieh Pourdarbani, Sajad Sabzi, Mohsen Dehghankar, Mohammad H. Rohban and Juan I. Arribas
The presence of bruises on fruits often indicates cell damage, which can lead to a decrease in the ability of the peel to keep oxygen away from the fruits, and as a result, oxygen breaks down cell walls and membranes damaging fruit content. When chemical...
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Ebrahim Taghinezhad, Vali Rasooli Sharabiani, Mohammadali Shahiri, Abdolmajid Moinfar and Antoni Szumny
This paper presents a comprehensive analysis of the application of visible?near-infrared (Vis/NIR) spectroscopy for the estimation of various chemical attributes of pear fruit. Specifically, the paper investigates how pH, titratable acidity (TA), soluble...
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Yue Zhang, Yang Li, Xiang Han, Ang Gao, Shuaijie Jing and Yuepeng Song
Achieving fast and accurate prediction of the fruit mechanical damage area is important to improve the accuracy and efficiency of apple quality grading. In this paper, the spectral data of all samples in the wavelength range from 376 to 1011 nm were coll...
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Ling Wu, Yuanjuan Gong, Xiaoping Bai, Wei Wang and Zhuo Wang
The nitrogen content is an important indicator affecting corn plants? growth status. Most of the standard hyperspectral imaging-based techniques for nondestructive detection of crop nitrogen content use a single feature as the input variable of the model...
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Dominik Bachmann, Rolf Brönnimann, Luis Nicklaus Caceres, Sofie L. Gnannt, Erwin Hack, Elena Mavrona, Daniel Sacré and Peter Zolliker
THz-Time domain spectroscopic imaging is demonstrated combining a robotic scanning method with continuous signal acquisition and holographic reconstruction of the object to improve the imaging resolution. We apply the method to a metallic Siemens star in...
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Grzegorz Kunstman, Pawel Kunstman, Lukasz Lasyk, Jacek Stanislaw Nowak, Agnieszka Stepowska, Waldemar Kowalczyk, Jakub Dybas and Ewa Szczesny-Malysiak
Herein, we present the novel method targeted for determination of plant nutritional state with the use of computer vision and Neural Networks. The method is based on multispectral imaging performed by an exclusively designed Agroscanner and a dedicated a...
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Run Fang, Libo Zeng and Fan Yi
Multi-spectral imaging technique plays an important role in real-world applications such as medicine and medical detections. This paper proposes a cervical cancer cell screening method to simultaneously adopt TBS classification and DNA quantitative analy...
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Seung Seok Lee, Woosub Song and Eun Seo Choi
SD-OCT imaging depth enhancement with improved contrast.
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Efstathios Adamopoulos and Fulvio Rinaudo
Passive sensors, operating in the visible (VIS) spectrum, have widely been used towards the trans-disciplinary documentation, understanding, and protection of tangible cultural heritage (CH). Although, many heritage science fields benefit significantly f...
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Katrin Jödicke, Robin Zirkler, Timo Eckhard, Werner Hofacker and Bernd Jödicke
In modern fruit processing technology, non-destructive quality measuring techniques are sought for determining and controlling changes in the optical, structural, and chemical properties of the products. In this context, changes inside the product can be...
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Yuefeng Zhao, Mengmeng Wu, Liren Zhang, Jingjing Wang and Dongmei Wei
The human face as a biometric trait has been widely used for personal identity verification but it is still a challenging task under uncontrolled conditions. With the development of hyper-spectral imaging acquisition technology, spectral properties with ...
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Yuzhen Lu, Yuping Huang and Renfu Lu
New, non-destructive sensing techniques for fast and more effective quality assessment of fruits and vegetables are needed to meet the ever-increasing consumer demand for better, more consistent and safer food products. Over the past 15 years, hyperspect...
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Camilo Noriega, Yuri Mejía, Henry Arguello
Pág. 201 - 213
Abstract AuthorsDownloadsReferencesHow to Cite
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Zhiqi Hong and Yong He
The potential application of this work is to help the Longjing Tea planter, consumers, traders and food quality regulators to identify geographical origins of Longjing Tea in a rapid, nondestructive and accurate manner. The results of this work would als...
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Hamail Ayaz, Muhammad Ahmad, Ahmed Sohaib, Muhammad Naveed Yasir, Martha A. Zaidan, Mohsin Ali, Muhammad Hussain Khan and Zainab Saleem
Minced meat substitution is one of the most common frauds which not only affects consumer health but impacts their lifestyles and religious customs as well. A number of methods have been proposed to overcome these frauds; however, these mostly rely on la...
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Stylianos Petrakis, Alexandros Skoulakis, Yannis Orphanos, Anastasios Grigoriadis, Georgia Andrianaki, Dimitrios Louloudakis, Nathanail Kortsalioudakis, Athanasios Tsapras, Costas Balas, Dimitrios Zouridis, Efthymios Pachos, Makis Bakarezos, Vasilios Dimitriou, Michael Tatarakis, Emmanouil P. Benis and Nektarios A. Papadogiannis
The rapid growth of nanotechnology has increased the need for fast nanoscale imaging. X-ray free electron laser (XFEL) facilities currently provide such coherent sources of directional and high-brilliance X-ray radiation. These facilities require large f...
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Yang Wang, Zhiyuan Gu, Xiangyue Meng, Lei Zhang and Yuegang Fu
Combining the requirements of spectrometers for unmanned aerial vehicle platforms, a miniaturized airborne wide-angle push-broom imaging spectrometer with an Offner configuration is designed. The system comprises an objective lens and an Offner-type spec...
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Chaitali Bhattacharyya and Sungho Kim
With the development of new technologies inside car mechanisms with various sensors connected to the IoT, a new generation of automation is attracting attention. However, there are still some factors that are difficult to detect. Among them, one of the h...
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