title: Estimating Orientation of Flying Fruit Flies.
abstract: The recently growing interest in studying flight behaviours of fruit flies, Drosophila melanogaster, has highlighted the need for developing tools that acquire quantitative motion data. Despite recent advance of video tracking systems, acquiring a flying fly's orientation remains a challenge for these tools. In this paper, we present a novel method for estimating individual flying fly's orientation using image cues. Thanks to the line reconstruction algorithm in computer vision field, this work can thereby focus on the practical detail of implementation and evaluation of the orientation estimation algorithm. The orientation estimation algorithm can be incorporated into tracking algorithms. We rigorously evaluated the effectiveness and accuracy of the proposed algorithm by running experiments both on simulation data and on real-world data. This work complements methods for studying the fruit fly's flight behaviours in a three-dimensional environment.
authors.affiliation: School of Computer Science, Shanghai Key Laboratory of Intelligent Information Processing, Fudan University, Shanghai, China; Jingdezhen Ceramic Institute, Jingdezhen, China.
authors.forename: Xi En
authors.initials: XE
authors.lastname: Cheng
authors.affiliation: School of Computer Science, Shanghai Key Laboratory of Intelligent Information Processing, Fudan University, Shanghai, China.
authors.forename: Shuo Hong
authors.initials: SH
authors.lastname: Wang
authors.affiliation: School of Computer Science, Shanghai Key Laboratory of Intelligent Information Processing, Fudan University, Shanghai, China.
authors.forename: Zhi-Ming
authors.initials: ZM
authors.lastname: Qian
authors.affiliation: School of Computer Science, Shanghai Key Laboratory of Intelligent Information Processing, Fudan University, Shanghai, China.
authors.forename: Yan Qiu
authors.initials: YQ
authors.lastname: Chen
mesh_terms: D000465:Algorithms; D000818:Animals; D004331:Drosophila melanogaster / Q000502:physiology*; D005426:Flight, Animal; D021621:Imaging, Three-Dimensional; D007753:Laboratories