Abstract:

With the development of artificial intelligence technology, deep learning technology has been widely used in face recognition, pedestrian detection, unmanned driving and other fields. As one of the most basic and challenging problems in machine vision, object detection has attracted extensive attention in recent years. Aiming at the problem of object detection, especially small object detection, this paper summarizes the common data sets and performance evaluation metrics, and compares the characteristics, advantages and difficulties of various common data sets. At the same time, this paper systematically summarizes the common object detection methods and the challenges faced by small object detection. In addition, combing the latest work based on deep learning, this paper introduces the multi-scale and super-resolution small object detection methods in the highlight and presents the lightweight strategy and the performance of some lightweight models based on the object detection. Finally, this paper summarizes the characteristics, advantages and limitations of various methods, and looks at the future development direction of small object detection method based on deep learning.

Key words: object detection, deep learning, small object detection, computer vision

摘要：

随着人工智能技术的发展，深度学习技术在人脸识别、行人检测、无人驾驶等领域得到了广泛的应用。而目标检测作为机器视觉中最基本、最具有挑战性的问题之一，近年来受到了广泛的关注。针对目标检测特别是小目标检测问题，归纳了常用的数据集和性能评价指标，并对各类常见数据集的特点、优势及检测难度进行对比，系统性地总结了常用的目标检测方法和小目标检测面临的挑战，梳理了基于深度学习的小目标检测方法的最新工作，重点介绍了基于多尺度的小目标检测方法和基于超分辨率的小目标检测方法等，同时介绍了针对目标检测方法的轻量化策略和一些轻量化模型的性能，并总结了各类方法的特点、优势和局限性等，展望了基于深度学习的小目标检测方法的未来发展方向。

关键词: 目标检测, 深度学习, 小目标检测, 计算机视觉