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A study on giant panda recognition based on images of a large proportion of captive pandas

机译:基于大比例俘虏熊猫的图像的巨大熊猫识别研究

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As a highly endangered species, the giant panda (panda) has attracted significant attention in the past decades. Considerable efforts have been put on panda conservation and reproduction, offering the promising outcome of maintaining the population size of pandas. To evaluate the effectiveness of conservation and management strategies, recognizing individual pandas is critical. However, it remains a challenging task because the existing methods, such as traditional tracking method, discrimination method based on footprint identification, and molecular biology method, are invasive, inaccurate, expensive, or challenging to perform. The advances of imaging technologies have led to the wide applications of digital images and videos in panda conservation and management, which makes it possible for individual panda recognition in a noninvasive manner by using image‐based panda face recognition method. In recent years, deep learning has achieved great success in the field of computer vision and pattern recognition. For panda face recognition, a fully automatic deep learning algorithm which consists of a sequence of deep neural networks (DNNs) used for panda face detection, segmentation, alignment, and identity prediction is developed in this study. To develop and evaluate the algorithm, the largest panda image dataset containing 6,441 images from 218 different pandas, which is 39.78% of captive pandas in the world, is established. The algorithm achieved 96.27% accuracy in panda recognition and 100% accuracy in detection. This study shows that panda faces can be used for panda recognition. It enables the use of the cameras installed in their habitat for monitoring their population and behavior. This noninvasive approach is much more cost‐effective than the approaches used in the previous panda surveys.
机译:作为一种高度濒临灭绝的物种,巨大的熊猫(熊猫)在过去的几十年里引起了重大关注。熊猫保护和繁殖的相当大的努力,提供了维持熊猫人口规模的有希望的结果。为了评估保护和管理策略的有效性,识别个人熊猫至关重要。然而,它仍然是一个具有挑战性的任务,因为现有的方法,例如传统的跟踪方法,基于占地面积识别的识别方法和分子生物学方法,是侵入性的,不准确,昂贵或挑战性的。成像技术的进步导致了熊猫保护和管理中的数字图像和视频的广泛应用,这使得通过使用基于图像的熊猫面部识别方法以非侵入性方式实现单个熊猫。近年来,深入学习在计算机视觉和模式识别领域取得了巨大成功。对于熊猫人类识别,在本研究中开发了一种全自动深度学习算法,该算法由用于熊猫面部检测,分割,对准和身份预测的一系列深神经网络(DNN)组成。为了开发和评估算法,建立了来自218个不同熊猫的6,441张图片的最大熊猫图像数据集,这是世界上俘虏熊猫的39.78%。该算法在Panda识别中获得了96.27%,检测中的100%精度。本研究表明,熊猫面孔可用于熊猫识别。它可以使用安装在其栖息地中的摄像机来监测他们的人口和行为。这种非侵入性方法比以前熊猫调查中使用的方法更具成本效益。

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