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Visual localization has traditionally been formulated as a pair-wise pose regression problem. Existing approaches mainly estimate relative poses between two images and employ a late-fusion strategy to obtain absolute pose estimates.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Tianchen Deng , Wenhua Wu , Kunzhen Wu , Guangming Wang , Siting Zhu , Shenghai Yuan , Xun Chen , Guole Shen , Zhe Liu , Hesheng Wang

Capturing high-quality images from only a few detected photons is a fundamental challenge in computational imaging. Single-photon avalanche diode (SPAD) sensors promise high-quality imaging in regimes where conventional cameras fail, but…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Aryan Garg , Sizhuo Ma , Mohit Gupta

Despite significant advancements in human motion generation, current motion representations, typically formulated as discrete frame sequences, still face two critical limitations: (i) they fail to capture motion from a multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Zan Wang , Jingze Zhang , Yixin Chen , Baoxiong Jia , Wei Liang , Siyuan Huang

Texture synthesis is a fundamental task in computer vision, whose goal is to generate visually realistic and structurally coherent textures for a wide range of applications, from graphics to scientific simulations. While traditional methods…

Computer Vision and Pattern Recognition · Computer Science 2025-05-09 Elahe Salari , Zohreh Azimifar

Accurate High-Definition (HD) map construction is critical for autonomous driving, yet existing methods face a fundamental trade-off: vectorization-based approaches preserve topology but struggle with geometric fidelity, while…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Zhenxuan Zeng , Lingxuan Wang , Sheng Yang , Yanan He , Mingxia Chen , Wei Suo , Peng Wang

Generative adversarial networks (GANs) learn a latent space whose samples can be mapped to real-world images. Such latent spaces are difficult to interpret. Some earlier supervised methods aim to create an interpretable latent space or…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Mohammad Hassan Vali , Tom Bäckström

The introduction of 3D Gaussian Splatting (3DGS) has advanced novel view synthesis by utilizing Gaussians to represent scenes. Encoding Gaussian point features with anchor embeddings has significantly enhanced the performance of newer 3DGS…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Junyan Su , Baozhu Zhao , Xiaohan Zhang , Qi Liu

In virtual reality (VR) applications, 360-degree images play a pivotal role in crafting immersive experiences and offering panoramic views, thus improving user Quality of Experience (QoE). However, the voluminous data generated by…

Image and Video Processing · Electrical Eng. & Systems 2024-06-10 Yang Ma , Wenchi Cheng , Jingqing Wang , Wei Zhang

Open-vocabulary querying in 3D space is challenging but essential for scene understanding tasks such as object localization and segmentation. Language-embedded scene representations have made progress by incorporating language features into…

Computer Vision and Pattern Recognition · Computer Science 2023-12-01 Jin-Chuan Shi , Miao Wang , Hao-Bin Duan , Shao-Hua Guan

We introduce FewGAN, a generative model for generating novel, high-quality and diverse images whose patch distribution lies in the joint patch distribution of a small number of N>1 training samples. The method is, in essence, a hierarchical…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Lior Ben-Moshe , Sagie Benaim , Lior Wolf

Text-to-Image generation in the general domain has long been an open problem, which requires both a powerful generative model and cross-modal understanding. We propose CogView, a 4-billion-parameter Transformer with VQ-VAE tokenizer to…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Ming Ding , Zhuoyi Yang , Wenyi Hong , Wendi Zheng , Chang Zhou , Da Yin , Junyang Lin , Xu Zou , Zhou Shao , Hongxia Yang , Jie Tang

While Large Language Models (LLMs) are the dominant models for generative tasks in language, they do not perform as well as diffusion models on image and video generation. To effectively use LLMs for visual generation, one crucial component…

Non-overlapping patch-wise convolution is the default image tokenizer for all state-of-the-art vision Transformer (ViT) models. Even though many ViT variants have been proposed to improve its efficiency and accuracy, little research on…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Zhenhai Zhu , Radu Soricut

We propose a hybrid recurrent Video Colorization with Hybrid Generative Adversarial Network (VCGAN), an improved approach to video colorization using end-to-end learning. The VCGAN addresses two prevalent issues in the video colorization…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Yuzhi Zhao , Lai-Man Po , Wing-Yin Yu , Yasar Abbas Ur Rehman , Mengyang Liu , Yujia Zhang , Weifeng Ou

Visual generative and understanding models typically rely on distinct tokenizers to process images, presenting a key challenge for unifying them within a single framework. Recent studies attempt to address this by connecting the training of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Chuofan Ma , Yi Jiang , Junfeng Wu , Jihan Yang , Xin Yu , Zehuan Yuan , Bingyue Peng , Xiaojuan Qi

Building a unified visual tokenizer is essential for bridging the gap between visual understanding and generation. Yet existing approaches struggle with the inherent conflict between these tasks, as a single token space is forced to support…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Yiwei Guo , Shaobin Zhuang , Zhipeng Huang , Canmiao Fu , Chen Li , Jing Lyu , Yali Wang

Recent advances in radiance fields and novel view synthesis enable creation of realistic digital twins from photographs. However, current methods struggle with flat, texture-less surfaces, creating uneven and semi-transparent…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Maria Taktasheva , Lily Goli , Alessandro Fiorini , Zhen Li , Daniel Rebain , Andrea Tagliasacchi

The degradation in the underwater images is due to wavelength-dependent light attenuation, scattering, and to the diversity of the water types in which they are captured. Deep neural networks take a step in this field, providing autonomous…

Computer Vision and Pattern Recognition · Computer Science 2023-02-03 Rita Pucci , Christian Micheloni , Niki Martinel

Foundation models in language and vision benefit from a unified discrete token interface that converts raw inputs into sequences for scalable pre-training and inference. For graphs, an effective tokenizer should yield reusable discrete…

Information Retrieval · Computer Science 2026-05-28 Yang Xiang , Li Fan , Chenke Yin , Lutz Oettershagen , Chengtao Ji

Hashing methods, which encode high-dimensional images with compact discrete codes, have been widely applied to enhance large-scale image retrieval. In this paper, we put forward Deep Spherical Quantization (DSQ), a novel method to make deep…

Computer Vision and Pattern Recognition · Computer Science 2019-06-10 Sepehr Eghbali , Ladan Tahvildari