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In computer vision, it is well-known that a lack of data diversity will impair model performance. In this study, we address the challenges of enhancing the dataset diversity problem in order to benefit various downstream tasks such as…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Yuhang Li , Xin Dong , Chen Chen , Weiming Zhuang , Lingjuan Lyu

Refractive Index Tomography is the inverse problem of reconstructing the continuously-varying 3D refractive index in a scene using 2D projected image measurements. Although a purely refractive field is not directly visible, it bends light…

Computer Vision and Pattern Recognition · Computer Science 2023-12-06 Brandon Zhao , Aviad Levis , Liam Connor , Pratul P. Srinivasan , Katherine L. Bouman

We use methods from Riemann geometry to investigate transformations between the color spaces of color-normal and color weak observers. The two main applications are the simulation of the perception of a color weak observer for a color…

Computer Vision and Pattern Recognition · Computer Science 2016-05-04 Satoshi Oshima , Rica Mochizuki , Reiner Lenz , Jinhui Chao

We present a geometric framework to model the optical effects of deformations of planar holographic optical elements (HOE) into curved surfaces, such as sphere segments. In particular, we consider deformations which do not preserve the…

Image and Video Processing · Electrical Eng. & Systems 2021-03-24 Tobias Graf

Visual hallucination refers to the perception of recognizable things that are not present. These phenomena are commonly linked to a range of neurological/psychiatric disorders. Despite ongoing research, the mechanisms through which the…

Neurons and Cognition · Quantitative Biology 2025-09-09 Masoumeh Zareh , Mohammad Hossein Manshaei , Sayed Jalal Zahabi , Marwan Krunz

Gaze correction aims to redirect the person's gaze into the camera by manipulating the eye region, and it can be considered as a specific image resynthesis problem. Gaze correction has a wide range of applications in real life, such as…

Computer Vision and Pattern Recognition · Computer Science 2019-06-04 Jichao Zhang , Meng Sun , Jingjing Chen , Hao Tang , Yan Yan , Xueying Qin , Nicu Sebe

Human-Object Interaction (HOI) detection aims to understand the interactions between humans and objects, which plays a curtail role in high-level semantic understanding tasks. However, most works pursue designing better architectures to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Shuman Fang , Shuai Liu , Jie Li , Guannan Jiang , Xianming Lin , Rongrong Ji

Guiding off-screen points of interest (POIs) is a practical way of providing additional information to users of small-screen devices, such as smart devices and head-mounted displays. Popular previous methods involve displaying a primitive…

Human-Computer Interaction · Computer Science 2022-06-10 Shoki Miyagawa

This paper addresses the task of detecting and recognizing human-object interactions (HOI) in images and videos. We introduce the Graph Parsing Neural Network (GPNN), a framework that incorporates structural knowledge while being…

Computer Vision and Pattern Recognition · Computer Science 2018-08-27 Siyuan Qi , Wenguan Wang , Baoxiong Jia , Jianbing Shen , Song-Chun Zhu

Gravitational lensing refers to the deflection of light by the gravity of celestial bodies, often predominantly composed of dark matter. Seen through a gravitational lens, the images of distant galaxies appear distorted. In this paper we…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-22 Hans Georg Schaatun , Ben David Normann , Einar Leite Austnes , Simon Ingebrigtsen , Sondre Westbø Remøy , Simon Nedreberg Runde

While GPT-4V(ision) impressively models both visual and textual information simultaneously, it's hallucination behavior has not been systematically assessed. To bridge this gap, we introduce a new benchmark, namely, the Bias and…

Machine Learning · Computer Science 2023-11-08 Chenhang Cui , Yiyang Zhou , Xinyu Yang , Shirley Wu , Linjun Zhang , James Zou , Huaxiu Yao

We introduce to VR a novel imperceptible gaze guidance technique from a recent discovery that human gaze can be attracted to a cue that contrasts from the background in its perceptually non-distinctive ocularity, defined as the relative…

Human-Computer Interaction · Computer Science 2024-12-13 Virmarie Maquiling , Li Zhaoping , Enkelejda Kasneci

3D Gaussian Splatting is renowned for its high-fidelity reconstructions and real-time novel view synthesis, yet its lack of semantic understanding limits object-level perception. In this work, we propose ObjectGS, an object-aware framework…

Graphics · Computer Science 2025-07-22 Ruijie Zhu , Mulin Yu , Linning Xu , Lihan Jiang , Yixuan Li , Tianzhu Zhang , Jiangmiao Pang , Bo Dai

The Expanding Hole Illusion is a compelling visual phenomenon in which a static, concentric pattern evokes a strong perception of continuous forward motion. Despite its simplicity, this illusion challenges our understanding of how the brain…

Neurons and Cognition · Quantitative Biology 2025-01-16 Nasim Nematzadeh , David M. W. Powers

Multimodal Large Language Models (MLLMs) have demonstrated strong performance in visual understanding tasks, yet they often suffer from object hallucinations--generating descriptions of objects that are inconsistent with or entirely absent…

Artificial Intelligence · Computer Science 2025-05-27 Xinmiao Hu , Chun Wang , Ruihe An , ChenYu Shao , Xiaojun Ye , Sheng Zhou , Liangcheng Li

Stereoscopic head-mounted displays (HMDs) render and present binocular images to create an egocentric, 3D percept to the HMD user. Within this render and presentation pipeline there are potential rendering camera and viewing position errors…

Human-Computer Interaction · Computer Science 2026-03-17 Raffles Xingqi Zhu , Charlie S. Burlingham , Olivier Mercier , Phillip Guan

Accurate prediction of local distortion visibility thresholds is critical in many image and video processing applications. Existing methods require an accurate modeling of the human visual system, and are derived through pshycophysical…

Multimedia · Computer Science 2018-03-13 Navaneeth Kamballur Kottayil , Giuseppe Valenzise , Frederic Dufaux , Irene Cheng

Cameras are essential vision instruments to capture images for pattern detection and measurement. Human-object interaction (HOI) detection is one of the most popular pattern detection approaches for captured human-centric visual scenes.…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Manli Zhu , Edmond S. L. Ho , Shuang Chen , Longzhi Yang , Hubert P. H. Shum

The method of images (MoI) is a valuable technique for solving certain electrostatic boundary value problems consisting of charge density near conductor(s). We developed and validated an inquiry-based tutorial on MoI to help students learn…

Physics Education · Physics 2026-04-13 Jaya Shivangani Kashyap , Robert P. Devaty , Chandralekha Singh

Light projection is a powerful technique to edit appearances of objects in the real world. Based on pixel-wise modification of light transport, previous techniques have successfully modified static surface properties such as surface color,…

Graphics · Computer Science 2016-03-15 Takahiro Kawabe , Taiki Fukiage , Masataka Sawayama , Shin'ya Nishida