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Existing methods of haptic feedback for virtual fluids are challenging to scale, lack durability for long-term rough use, and fail to fully capture the expressive haptic qualities of fluids. To overcome these limitations, we present…

Human-Computer Interaction · Computer Science 2025-02-03 Frank Wencheng Liu , Ryan Wirjadi , Yanjun Lyu , Shiling Dai , Byron Lahey , Assegid Kidane , Robert LiKamWa

Estimating depth from images nowadays yields outstanding results, both in terms of in-domain accuracy and generalization. However, we identify two main challenges that remain open in this field: dealing with non-Lambertian materials and…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Pierluigi Zama Ramirez , Alex Costanzino , Fabio Tosi , Matteo Poggi , Samuele Salti , Stefano Mattoccia , Luigi Di Stefano

Autonomous robot navigation in complex environments requires robust perception as well as high-level scene understanding due to perceptual challenges, such as occlusions, and uncertainty introduced by robot movement. For example, a robot…

Robotics · Computer Science 2025-03-24 Prasanna Sriganesh , Burhanuddin Shirose , Matthew Travers

An "elephant in the room" for most current object detection and localization methods is the lack of explicit modelling of partial visibility due to occlusion by other objects or truncation by the image boundary. Based on a sliding window…

Computer Vision and Pattern Recognition · Computer Science 2013-11-27 Patrick Ott , Mark Everingham , Jiri Matas

Vertical turbine pumps in oil and gas operations rely on motor-mounted accelerometers for condition monitoring. However, these sensors cannot detect faults at submerged impellers exposed to harsh downhole environments. We present the first…

Signal Processing · Electrical Eng. & Systems 2025-09-22 Sahil P. Wankhede , Xiangdong Xie , Ali H. Alshehri , Keith W Brashler , Mohammad Ba'adani , Doru C Turcan , Kamal Youcef-Toumi , Xian Du

We introduce a way to learn to estimate a scene representation from a single image by predicting a low-dimensional subspace of optical flow for each training example, which encompasses the variety of possible camera and object movement.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-28 Richard Strong Bowen , Richard Tucker , Ramin Zabih , Noah Snavely

Discrete simulation methods are efficient tools to investigate the complex behaviors of complex fluids made of either dry granular materials or dilute suspensions. By contrast, materials made of soft and/or concentrated units (emulsions,…

Fluid Dynamics · Physics 2008-12-18 Pierre Rognon , Cyprien Gay

Learning to predict scene depth from RGB inputs is a challenging task both for indoor and outdoor robot navigation. In this work we address unsupervised learning of scene depth and robot ego-motion where supervision is provided by monocular…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Vincent Casser , Soeren Pirk , Reza Mahjourian , Anelia Angelova

Accurate volume estimation of objects from visual data is a long-standing challenge in computer vision with significant applications in robotics, logistics, and smart health. Existing methods often rely on complex 3D reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Gautham Vinod , Bruce Coburn , Siddeshwar Raghavan , Fengqing Zhu

Event cameras are a bio-inspired class of sensors that asynchronously measure per-pixel intensity changes. Under fixed illumination conditions in static or low-motion scenes, rigidly mounted event cameras are unable to generate any events…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Vincenzo Polizzi , Stephen Yang , Quentin Clark , Jonathan Kelly , Igor Gilitschenski , David B. Lindell

Observing and understanding the movement of an intruder through opaque dense suspensions such as quicksand remains a practical and conceptual challenge. Here we use an ultrasonic probe to investigate the dynamics of a steel ball sinking in…

Soft Condensed Matter · Physics 2018-10-22 S. van den Wildenberg , X. Jia , J. Léopoldès , A. Tourin

This paper addresses the challenging problem of open-vocabulary object detection (OVOD) where an object detector must identify both seen and unseen classes in test images without labeled examples of the unseen classes in training. A typical…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Chau Pham , Truong Vu , Khoi Nguyen

Rehabilitation of aging pipes requires accurate condition assessment and mapping far into the pipe interiors. Soft growing vine robot systems are particularly promising for navigating confined, sinuous paths such as in pipes, but are…

Robotics · Computer Science 2025-11-03 William E. Heap , Yimeng Qin , Kai Hammond , Anish Bayya , Haonon Kong , Allison M. Okamura

The accurate detection and grasping of transparent objects are challenging but of significance to robots. Here, a visual-tactile fusion framework for transparent object grasping under complex backgrounds and variant light conditions is…

Robotics · Computer Science 2024-06-11 Shoujie Li , Haixin Yu , Wenbo Ding , Houde Liu , Linqi Ye , Chongkun Xia , Xueqian Wang , Xiao-Ping Zhang

Optomechanical systems provide a means for studying and controlling quantum effects in the motion of macroscopic objects. To date, quantum optomechanical effects have been studied in objects made from solids and gases. Here we describe…

Deep learning can accurately represent sub-grid-scale convective processes in climate models, learning from high resolution simulations. However, deep learning methods usually lack interpretability due to large internal dimensionality,…

Atmospheric and Oceanic Physics · Physics 2022-09-07 Gunnar Behrens , Tom Beucler , Pierre Gentine , Fernando Iglesias-Suarez , Michael Pritchard , Veronika Eyring

Important aspects in the field of microrheology are the studies of the viscosity of fluids within structures with micron dimensions and fluid samples where only microlitre volumes are available. We have quantitatively investigated the…

Optical scattering presents a major obstacle to high resolution imaging in biological tissue and other turbid media. Conventional photoacoustic imaging can partially overcome this obstacle, enabling imaging of optical absorption in the…

A new algorithm is presented for simulating volume-controlled invasion of a non-wetting phase into voxel images. This method is complementary to the traditional morphological image opening method which mimics pressure-based invasion. A key…

Fluid Dynamics · Physics 2021-11-17 Jeff T Gostick , Jianhui Yang , Edo S Boek

Treating images as data has become increasingly popular in political science. While existing classifiers for images reach high levels of accuracy, it is difficult to systematically assess the visual features on which they base their…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Stefan Scholz , Nils B. Weidmann , Zachary C. Steinert-Threlkeld , Eda Keremoğlu , Bastian Goldlücke