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Stable diffusion is an outstanding image generation model for text-to-image, but its time-consuming generation process remains a challenge due to the quadratic complexity of attention operations. Recent token merging methods improve…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Min-Jeong Lee , Hee-Dong Kim , Seong-Whan Lee

Urban modeling is essential for city planning, scene synthesis, and gaming. Existing image-based methods generate diverse layouts but often lack geometric continuity and scalability, while graph-based methods capture structural relations…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Mengyuan Niu , Xinxin Zhuo , Ruizhe Wang , Yuyue Huang , Junyan Yang , Qiao Wang

Analyzing the geographic movement of humans, animals, and other phenomena is a growing field of research. This research has benefited urban planning, logistics, animal migration understanding, and much more. Typically, the movement is…

Computation and Language · Computer Science 2022-02-01 Scott Pezanowski , Prasenjit Mitra

Micro-expression recognition can obtain the real emotion of the individual at the current moment. Although deep learning-based methods, especially Transformer-based methods, have achieved impressive results, these methods have high…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Junbo Wang , Liangyu Fu , Yuke Li , Yining Zhu , Xuecheng Wu , Kun Hu

Understanding intrinsic patterns and predicting spatiotemporal characteristics of cities require a comprehensive representation of urban neighborhoods. Existing works relied on either inter- or intra-region connectivities to generate…

Machine Learning · Computer Science 2020-01-31 Zhecheng Wang , Haoyuan Li , Ram Rajagopal

Urban planning refers to the efforts of designing land-use configurations given a region. However, to obtain effective urban plans, urban experts have to spend much time and effort analyzing sophisticated planning constraints based on…

Robotics · Computer Science 2021-12-30 Dongjie Wang , Yanjie Fu , Kunpeng Liu , Fanglan Chen , Pengyang Wang , Chang-Tien Lu

Fine-grained urban flow inference (FUFI) is a crucial transportation service aimed at improving traffic efficiency and safety. FUFI can infer fine-grained urban traffic flows based solely on observed coarse-grained data. However, most of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Shilu Yuan , Dongfeng Li , Wei Liu , Xinxin Zhang , Meng Chen , Junjie Zhang , Yongshun Gong

Visual prompting has emerged as a powerful method for adapting pre-trained models to new domains without updating model parameters. However, existing prompting methods typically optimize a single prompt per domain and apply it uniformly to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Evren Çetinkaya , Sangmin Lee , Jung Uk Kim , Hong Joo Lee , Nassir Navab

Scene text detection attracts much attention in computer vision, because it can be widely used in many applications such as real-time text translation, automatic information entry, blind person assistance, robot sensing and so on. Though…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Xiaobing Wang , Yingying Jiang , Zhenbo Luo , Cheng-Lin Liu , Hyunsoo Choi , Sungjin Kim

We introduce a novel deep learning-based framework to interpret 3D urban scenes represented as textured meshes. Based on the observation that object boundaries typically align with the boundaries of planar regions, our framework achieves…

Computer Vision and Pattern Recognition · Computer Science 2022-12-27 Weixiao Gao , Liangliang Nan , Bas Boom , Hugo Ledoux

We introduce UV-Net, a novel neural network architecture and representation designed to operate directly on Boundary representation (B-rep) data from 3D CAD models. The B-rep format is widely used in the design, simulation and manufacturing…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Pradeep Kumar Jayaraman , Aditya Sanghi , Joseph G. Lambourne , Karl D. D. Willis , Thomas Davies , Hooman Shayani , Nigel Morris

Implicit neural representation has demonstrated promising results in 3D reconstruction on various scenes. However, existing approaches either struggle to model fast-moving objects or are incapable of handling large-scale camera ego-motions…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Tianchen Deng , Yanbo Wang , Yejia Liu , Chenpeng Su , Jingchuan Wang , Danwei Wang , Shao-Yuan Lo , Weidong Chen

Building accurate maps is a key building block to enable reliable localization, planning, and navigation of autonomous vehicles. We propose a novel approach for building accurate maps of dynamic environments utilizing a sequence of LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Xingguang Zhong , Yue Pan , Cyrill Stachniss , Jens Behley

Camouflaged object detection (COD) aims to identify objects in images that are well hidden in the environment due to their high similarity to the background in terms of texture and color. However, existing most boundary-guided camouflage…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Junmin Cai , Han Sun , Ningzhong Liu

Generating unbounded 3D scenes is crucial for large-scale scene understanding and simulation. Urban scenes, unlike natural landscapes, consist of various complex man-made objects and structures such as roads, traffic signs, vehicles, and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Junge Zhang , Qihang Zhang , Li Zhang , Ramana Rao Kompella , Gaowen Liu , Bolei Zhou

This article introduces a novel and fast method for refining pre-trained static word or, more generally, token embeddings. By incorporating the embeddings of neighboring tokens in text corpora, it continuously updates the representation of…

Computation and Language · Computer Science 2025-04-22 Mario M. Kubek , Shiraj Pokharel , Thomas Böhme , Emma L. McDaniel , Herwig Unger , Armin R. Mikler

Text detection/localization, as an important task in computer vision, has witnessed substantialadvancements in methodology and performance with convolutional neural networks. However, the vastmajority of popular methods use rectangles or…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Xiufeng Jiang , Shugong Xu , Shunqing Zhang , Shan Cao

While designing sustainable and resilient urban built environment is increasingly promoted around the world, significant data gaps have made research on pressing sustainability issues challenging to carry out. Pavements are known to have…

Computer Vision and Pattern Recognition · Computer Science 2022-01-10 Maryam Hosseini , Fabio Miranda , Jianzhe Lin , Claudio Silva

Texture is intuitively defined as a repeated arrangement of a basic pattern or object in an image. There is no mathematical definition of a texture though. The human visual system is able to identify and segment different textures in a…

Computer Vision and Pattern Recognition · Computer Science 2013-07-01 Aditya Tatu , Sumukh Bansal

Textual-based prompt learning methods primarily employ multiple learnable soft prompts and hard class tokens in a cascading manner as text inputs, aiming to align image and text (category) spaces for downstream tasks. However, current…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Zheng Li , Yibing Song , Ming-Ming Cheng , Xiang Li , Jian Yang