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The problem of searching a polygonal region for an unpredictably moving intruder by a set of stationary guards, each carrying an orientable laser, is known as the Searchlight Scheduling Problem. Determining the computational complexity of…

Computational Geometry · Computer Science 2015-03-20 Giovanni Viglietta

Learning model-free object pose estimation for unseen instances remains a fundamental challenge in 3D vision. Existing methods typically fall into two disjoint paradigms: category-level approaches predict absolute poses in a canonical space…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Weihang Li , Lorenzo Garattoni , Fabien Despinoy , Nassir Navab , Benjamin Busam

Scattering transforms achieve Lipschitz stability and translation invariance, but dense prediction tasks require preserving spatial structure lost in global averaging. We propose Phase-Aware Scattering Encoder-Decoder, which restores this…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Ghassen Marrakchi , Basarab Matei

Saliency-driven image and video coding for humans has gained importance in the recent past. In this paper, we propose such a saliency-driven coding framework for the video coding for machines task using the latest video coding standard…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Kristian Fischer , Felix Fleckenstein , Christian Herglotz , André Kaup

Rotation-equivariance is an essential yet challenging property in oriented object detection. While general object detectors naturally leverage robustness to spatial shifts due to the translation-equivariance of the conventional CNNs,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Chanho Lee , Jinsu Son , Hyounguk Shon , Yunho Jeon , Junmo Kim

Camouflaged Object Detection (COD) refers to the task of identifying and segmenting objects that blend seamlessly into their surroundings, posing a significant challenge for computer vision systems. In recent years, COD has garnered…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Fengyang Xiao , Sujie Hu , Yuqi Shen , Chengyu Fang , Jinfa Huang , Chunming He , Longxiang Tang , Ziyun Yang , Xiu Li

Object detection with Transformers (DETR) has achieved a competitive performance over traditional detectors, such as Faster R-CNN. However, the potential of DETR remains largely unexplored for the more challenging task of arbitrary-oriented…

Computer Vision and Pattern Recognition · Computer Science 2021-06-08 Teli Ma , Mingyuan Mao , Honghui Zheng , Peng Gao , Xiaodi Wang , Shumin Han , Errui Ding , Baochang Zhang , David Doermann

A cascaded iterative Fourier transform (CIFT) algorithm is presented for optical security applications. Two phase-masks are designed and located in the input and the Fourier domains of a 4-f correlator respectively, in order to implement…

Optics · Physics 2009-11-10 Guohai Situ , Jingjuan Zhang

The current trend in object detection and localization is to learn predictions with high capacity deep neural networks trained on a very large amount of annotated data and using a high amount of processing power. In this work, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Bastien Moysset , Christoper Kermorvant , Christian Wolf

Region anchors are the cornerstone of modern object detection techniques. State-of-the-art detectors mostly rely on a dense anchoring scheme, where anchors are sampled uniformly over the spatial domain with a predefined set of scales and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Jiaqi Wang , Kai Chen , Shuo Yang , Chen Change Loy , Dahua Lin

Rearranging objects (e.g. vase, door) back in their original positions is one of the most fundamental skills for domestic service robots (DSRs). In rearrangement tasks, it is crucial to detect the objects that need to be rearranged…

Robotics · Computer Science 2024-07-09 Haruka Matsuo , Shintaro Ishikawa , Komei Sugiura

This paper uses clustering algorithms to introduce a shape framework for deformable objects. Until now, the shape detection of the deformable objects has faced several challenges: 1) unable to form a unified framework for multiple shapes;…

Robotics · Computer Science 2023-12-19 Fangqing Chen

We propose an object tracking method, SFTrack++, that smoothly learns to preserve the tracked object consistency over space and time dimensions by taking a spectral clustering approach over the graph of pixels from the video, using a fast…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Elena Burceanu

Region-based Convolutional Neural Networks (R-CNNs) have achieved great success in the field of object detection. The existing R-CNNs usually divide a Region-of-Interest (ROI) into grids, and then localize objects by utilizing the spatial…

Computer Vision and Pattern Recognition · Computer Science 2018-02-13 Xiaochuan Fan , Hao Guo , Kang Zheng , Wei Feng , Song Wang

Oriented object detection emerges in many applications from aerial images to autonomous driving, while many existing detection benchmarks are annotated with horizontal bounding box only which is also less costive than fine-grained rotated…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Xue Yang , Gefan Zhang , Wentong Li , Xuehui Wang , Yue Zhou , Junchi Yan

In this paper, we propose a preprocessing method for conventional image and video encoders that can make these existing encoders content-aware. By going through our process, a higher quality parameter could be set on a traditional encoder…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Likun Liu , Hua Qi

Image compression constitutes a significant challenge amidst the era of information explosion. Recent studies employing deep learning methods have demonstrated the superior performance of learning-based image compression methods over…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Yuefeng Zhang , Kai Lin

Rotated object detection in aerial images is still challenging due to arbitrary orientations, large scale and aspect ratio variations, and extreme density of objects. Existing state-of-the-art rotated object detection methods mainly rely on…

Computer Vision and Pattern Recognition · Computer Science 2022-06-09 Qiang Zhou , Chaohui Yu , Zhibin Wang , Hao Li

Despite recent advancements in computer vision research, object detection in aerial images still suffers from several challenges. One primary challenge to be mitigated is the presence of multiple types of variation in aerial images, for…

Computer Vision and Pattern Recognition · Computer Science 2025-05-30 Sungjune Park , Hyunjun Kim , Beomchan Park , Yong Man Ro

This work proposes a process for efficiently training a point-wise object detector that enables localizing objects and computing their 6D poses in cluttered and occluded scenes. Accurate pose estimation is typically a requirement for robust…

Computer Vision and Pattern Recognition · Computer Science 2019-02-22 Jean-Philippe Mercier , Chaitanya Mitash , Philippe Giguère , Abdeslam Boularias