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Positional encodings are a common component of neural scene reconstruction methods, and provide a way to bias the learning of neural fields towards coarser or finer representations. Current neural surface reconstruction methods use a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Thomas Walker , Octave Mariotti , Amir Vaxman , Hakan Bilen

Robotic learning in simulation environments provides a faster, more scalable, and safer training methodology than learning directly with physical robots. Also, synthesizing images in a simulation environment for collecting large-scale image…

Robotics · Computer Science 2017-09-21 Tadanobu Inoue , Subhajit Chaudhury , Giovanni De Magistris , Sakyasingha Dasgupta

Positional encoding mechanisms enable Transformers to model sequential structure and long-range dependencies in text. While absolute positional encodings struggle with extrapolation to longer sequences due to fixed positional…

Computation and Language · Computer Science 2025-09-09 Chang Dai , Hongyu Shan , Mingyang Song , Di Liang

Resolution generalization in image generation tasks enables the production of higher-resolution images with lower training resolution overhead. However, a key obstacle for diffusion transformers in addressing this problem is the mismatch…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Liang Hou , Cong Liu , Mingwu Zheng , Xin Tao , Pengfei Wan , Di Zhang , Kun Gai

Place recognition gives a SLAM system the ability to correct cumulative errors. Unlike images that contain rich texture features, point clouds are almost pure geometric information which makes place recognition based on point clouds…

Computer Vision and Pattern Recognition · Computer Science 2021-07-13 Lin Li , Xin Kong , Xiangrui Zhao , Tianxin Huang , Yong Liu

Image segmentation is often ambiguous at the level of individual image patches and requires contextual information to reach label consensus. In this paper we introduce Segmenter, a transformer model for semantic segmentation. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Robin Strudel , Ricardo Garcia , Ivan Laptev , Cordelia Schmid

Planet-scale photo geolocalization is the complex task of estimating the location depicted in an image solely based on its visual content. Due to the success of convolutional neural networks (CNNs), current approaches achieve super-human…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Jonas Theiner , Eric Mueller-Budack , Ralph Ewerth

Positional embeddings (PE) play a crucial role in Vision Transformers (ViTs) by providing spatial information otherwise lost due to the permutation invariant nature of self attention. While absolute positional embeddings (APE) have shown…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Md Abtahi Majeed Chowdhury , Md Rifat Ur Rahman , Akil Ahmad Taki

Vision-based 3D semantic occupancy prediction is a critical task in 3D vision that integrates volumetric 3D reconstruction with semantic understanding. Existing methods, however, often rely on modular pipelines. These modules are typically…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Dubing Chen , Huan Zheng , Yucheng Zhou , Xianfei Li , Wenlong Liao , Tao He , Pai Peng , Jianbing Shen

Most of the existing 3D human pose estimation approaches mainly focus on predicting 3D positional relationships between the root joint and other human joints (local motion) instead of the overall trajectory of the human body (global…

Computer Vision and Pattern Recognition · Computer Science 2021-07-30 Wenkang Shan , Haopeng Lu , Shanshe Wang , Xinfeng Zhang , Wen Gao

Visual pose regression models estimate the camera pose from a query image with a single forward pass. Current models learn pose encoding from an image using deep convolutional networks which are trained per scene. The resulting encoding is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Yoli Shavit , Ron Ferens

Despite decades of progress, a truly input-size agnostic visual encoder-a fundamental characteristic of human vision-has remained elusive. We address this limitation by proposing \textbf{MambaEye}, a novel, causal sequential encoder that…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Changho Choi , Minho Kim , Jinkyu Kim

Recent advancements in transformer-based models have greatly improved time series analysis, providing robust solutions for tasks such as forecasting, anomaly detection, and classification. A crucial element of these models is positional…

Machine Learning · Computer Science 2026-05-07 Habib Irani , Vangelis Metsis

Vision Transformer (ViT) has achieved remarkable performance in computer vision. However, positional encoding in ViT makes it substantially difficult to learn the intrinsic equivariance in data. Initial attempts have been made on designing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Renjun Xu , Kaifan Yang , Ke Liu , Fengxiang He

This study reports an unintuitive finding that positional encoding enhances learning of recurrent neural networks (RNNs). Positional encoding is a high-dimensional representation of time indices on input data. Most famously, positional…

Machine Learning · Computer Science 2024-11-28 Takashi Morita

The distinguishing power of graph transformers is closely tied to the choice of positional encoding: features used to augment the base transformer with information about the graph. There are two primary types of positional encoding:…

Machine Learning · Computer Science 2024-08-26 Mitchell Black , Zhengchao Wan , Gal Mishne , Amir Nayyeri , Yusu Wang

Inspired by the Bloch Sphere representation, we propose a novel rotary position encoding on a three-dimensional sphere, named 3D Rotary Position Encoding (3D-RPE). 3D-RPE is an advanced version of the widely used 2D Rotary Position Encoding…

Computation and Language · Computer Science 2024-06-17 Xindian Ma , Wenyuan Liu , Peng Zhang , Nan Xu

Existing multi-person video pose estimation methods typically adopt a two-stage pipeline: detecting individuals in each frame, followed by temporal modeling for single person pose estimation. This design relies on heuristic operations such…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Yonghui Yu , Jiahang Cai , Xun Wang , Wenwu Yang

Semantic segmentation, which aims to classify every pixel in an image, is a key task in machine perception, with many applications across robotics and autonomous driving. Due to the high dimensionality of this task, most existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Alex Zihao Zhu , Jieru Mei , Siyuan Qiao , Hang Yan , Yukun Zhu , Liang-Chieh Chen , Henrik Kretzschmar

Learning implicit templates as neural fields has recently shown impressive performance in unsupervised shape correspondence. Despite the success, we observe current approaches, which solely rely on geometric information, often learn…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Sihyeon Kim , Minseok Joo , Jaewon Lee , Juyeon Ko , Juhan Cha , Hyunwoo J. Kim