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Thursday, October 1, 2020
A.I. & Neural Networks newsagricultural engineeringarXivAuthored postFeatured information processingGenerative Adversial Network (GAN)image processingSpecialist level contentStudies & experimentsTechnology

Multi-Spectral Picture Synthesis for Crop/Weed Segmentation in Precision Farming – #NewsEverything #Know-how

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Farming robots can carry out exact weed management by figuring out and localizing crops and weeds within the subject. Often, picture processing depends on machine studying. However, it requires a giant and numerous coaching dataset.

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Picture credit score: Pixabay, free licence

A latest paper on arXiv.org suggests using Generative Adversarial Networks to generate semi-artificial pictures that can be utilized to extend and diversify the unique coaching dataset. Areas of the picture akin to crop and weed vegetation are changed with synthesized, photo-realistic counterparts.

Additionally, near-infrared information are used along with the RGB channel. In the course of the efficiency analysis, it was proven that segmentation high quality will increase drastically through the use of the unique dataset augmented with the artificial ones in comparison with utilizing solely the unique dataset. Utilizing solely the artificial dataset additionally results in a aggressive efficiency compared with utilizing solely the unique one.

An efficient notion system is a elementary part for farming robots, because it permits them to correctly understand the encompassing atmosphere and to hold out focused operations. The latest approaches make use of state-of-the-art machine studying methods to study an efficient mannequin for the goal process. Nevertheless, these strategies want a considerable amount of labelled information for coaching. A latest strategy to cope with this problem is information augmentation via Generative Adversarial Networks (GANs), the place total artificial scenes are added to the coaching information, thus enlarging and diversifying their informative content material. On this work, we suggest another resolution with respect to the widespread information augmentation methods, making use of it to the elemental downside of crop/weed segmentation in precision farming. Ranging from actual pictures, we create semi-artificial samples by changing probably the most related object courses (i.e., crop and weeds) with their synthesized counterparts. To try this, we make use of a conditional GAN (cGAN), the place the generative mannequin is skilled by conditioning the form of the generated object. Furthermore, along with RGB information, we consider additionally near-infrared (NIR) data, producing 4 channel multi-spectral artificial pictures. Quantitative experiments, carried out on three publicly accessible datasets, present that (i) our mannequin is able to producing sensible multi-spectral pictures of vegetation and (ii) the utilization of such artificial pictures within the coaching course of improves the segmentation efficiency of state-of-the-art semantic segmentation Convolutional Networks.

Hyperlink: https://arxiv.org/abs/2009.05750


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