A Case Study toward Apple Cultivar Classification Using Deep Learning

Silvia Krug

doi:10.3390/agriengineering5020050

2023-05-02

Silvia Krug *

Tino Hutschenreuther

DOI：10.3390/agriengineering5020050

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摘要

En 中文

Machine Learning (ML) has enabled many image-based object detection and recognition-based solutions in various fields and is the state-of-the-art method for these tasks currently. Therefore, it is of interest to apply this technique to different questions. In this paper, we explore whether it is possible to classify apple cultivars based on fruits using ML methods and images of the apple in question. The goal is to develop a tool that is able to classify the cultivar based on images that could be used in the field. This helps to draw attention to the variety and diversity in fruit growing and to contribute to its preservation. Classifying apple cultivars is a certain challenge in itself, as all apples are similar, while the variety within one class can be high. At the same time, there are potentially thousands of cultivars indicating that the task becomes more challenging when more cultivars are added to the dataset. Therefore, the first question is whether a ML approach can extract enough information to correctly classify the apples. In this paper, we focus on the technical requirements and prerequisites to verify whether ML approaches are able to fulfill this task with a limited number of cultivars as proof of concept. We apply transfer learning on popular image processing convolutional neural networks (CNNs) by retraining them on a custom apple dataset. Afterward, we analyze the classification results as well as possible problems. Our results show that apple cultivars can be classified correctly, but the system design requires some extra considerations.

Keyword:

apple cultivar recognition

deep learning

challenges

期刊

AgriEngineering

IF:

论文数:

1.5K

被引数:

1.3K

机构

mid-sweden university

学者数:

1.6K

论文数: 1.6K

被引数: 4

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