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We study the role of microtubule movement in bidirectional organelle transport in Drosophila S2 cells and show that EGFP-tagged peroxisomes in cells serve as sensitive probes of motor induced, noisy cytoskeletal motions. Multiple…

The waggle dance is one of the most popular examples of animal communication. Forager bees direct their nestmates to profitable resources via a complex motor display. Essentially, the dance encodes the polar coordinates to the resource in…

计算机视觉与模式识别 · 计算机科学 2018-02-07 Fernando Wario , Benjamin Wild , Raúl Rojas , Tim Landgraf

The aim of our study is to detect balance disorders and a tendency towards the falls in the elderly, knowing gait parameters. In this paper we present a new tool for gait analysis based on markerless human motion capture, from camera feeds.…

人工智能 · 计算机科学 2007-05-23 Jamal Saboune , François Charpillet

Advances in photo editing and manipulation tools have made it significantly easier to create fake imagery. Learning to detect such manipulations, however, remains a challenging problem due to the lack of sufficient amounts of manipulated…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Minyoung Huh , Andrew Liu , Andrew Owens , Alexei A. Efros

The recognition of behaviors in videos usually requires a combinatorial analysis of the spatial information about objects and their dynamic action information in the temporal dimension. Specifically, behavior recognition may even rely more…

计算机视觉与模式识别 · 计算机科学 2022-03-08 Lizong Zhang , Yiming Wang , Bei Hui , Xiujian Zhang , Sijuan Liu , Shuxin Feng

We present a new algorithm for detecting filamentary structure FilFinder. The algorithm uses the techniques of mathematical morphology for filament identification, presenting a complementary approach to current algorithms which use matched…

星系天体物理 · 物理学 2015-07-10 Eric W. Koch , Erik W. Rosolowsky

We present FlagEvalMM, an open-source evaluation framework designed to comprehensively assess multimodal models across a diverse range of vision-language understanding and generation tasks, such as visual question answering,…

计算机视觉与模式识别 · 计算机科学 2025-07-30 Zheqi He , Yesheng Liu , Jing-shu Zheng , Xuejing Li , Jin-Ge Yao , Bowen Qin , Richeng Xuan , Xi Yang

The purpose of this paper is to provide an algorithm for detecting and tracking astral MTs in a fully automated way and supply a description of their dynamic behaviour. For the algorithm testing, a dataset of stacks (i.e. time-lapse image…

生物大分子 · 定量生物学 2018-04-05 M. Varrecchia , G. Olmo , J. Levine , M. Grangetto , M. Gai , F. Di Cunto

Dynamical systems form the foundation of scientific discovery, traditionally modeled with predefined state variables such as the angle and angular velocity, and differential equations such as the equation of motion for a single pendulum. We…

系统与控制 · 电气工程与系统科学 2025-04-25 Kuang Huang , Dong Heon Cho , Boyuan Chen

We present a novel parameter identification algorithm for the estimation of parameters in models of cell motility using imaging data of migrating cells. Two alternative formulations of the objective functional that measures the difference…

Inspired by biology's use of vesicles for targeted transport, many studies have propelled liposomes with active matter, creating synthetic systems that can be viewed as microscale biohybrid robots. Nevertheless, the underlying motility…

Ophthalmological imaging utilizes different imaging systems, such as color fundus, infrared, fluorescein angiography, optical coherence tomography (OCT) or OCT angiography. Multiple images with different modalities or acquisition times are…

图像与视频处理 · 电气工程与系统科学 2022-01-10 Aline Sindel , Bettina Hohberger , Sebastian Fassihi Dehcordi , Christian Mardin , Robert Lämmer , Andreas Maier , Vincent Christlein

Phytoplankton are microscopic algae responsible for roughly half of the world's photosynthesis that play a critical role in global carbon cycles and oxygen production, and measuring the abundance of their subtypes across a wide range of…

统计方法学 · 统计学 2025-10-08 Farhad de Sousa , François Ribalet , Jacob Bien

The Computer-Assisted Diagnosis systems could save workloads and give objective diagnostic to ophthalmologists. At first, feature extraction is a fundamental step. One of these retinal features is the fovea. The fovea is a small fossa on…

医学物理 · 物理学 2020-04-21 Meysam Tavakoli , Patrick Kelley , Mahdieh Nazar , Faraz Kalantari

Although the motility of the flagellated bacteria, Escherichia coli, has been widely studied, the effect of viscosity on swimming speed remains controversial. The swimming mode of wild-type E.coli is often idealized as a "run-and- tumble"…

生物物理 · 物理学 2018-05-09 Zijie Qu , Fatma Zeynep Temel , Rene Henderikx , Kenneth S. Breuer

Contact between particles and motile cells underpins a wide variety of biological processes, from nutrient capture and ligand binding, to grazing, viral infection and cell-cell communication. The window of opportunity for these interactions…

生物物理 · 物理学 2018-03-28 Arnold Mathijssen , Raphaël Jeanneret , Marco Polin

This paper proposes a novel approach to create an automated visual surveillance system which is very efficient in detecting and tracking moving objects in a video captured by moving camera without any apriori information about the captured…

计算机视觉与模式识别 · 计算机科学 2017-06-09 Kumar S. Ray , Soma Chakraborty

A dynamic self-organized morphology is the hallmark of network-shaped organisms like slime moulds and fungi. Organisms continuously re-organize their flexible, undifferentiated body plans to forage for food. Among these organisms the slime…

生物物理 · 物理学 2019-03-27 Karen Alim

Flagella of eukaryotic cells are transient long cylindrical protrusions. The proteins needed to form and maintain flagella are synthesized in the cell body and transported to the distal tips. What `rulers' or `timers' a specific type of…

生物物理 · 物理学 2021-08-31 Swayamshree Patra , Frank Jülicher , Debashish Chowdhury

Malaria is mosquito-borne blood disease caused by parasites of the genus Plasmodium. Conventional diagnostic tool for malaria is the examination of stained blood cell of patient in microscope. The blood to be tested is placed in a slide and…

图像与视频处理 · 电气工程与系统科学 2018-03-30 Suman Kunwar