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Most real-world graphs exhibit a hierarchical structure, which is often overlooked by existing graph generation methods. To address this limitation, we propose a novel graph generative network that captures the hierarchical nature of graphs…

Machine Learning · Computer Science 2026-01-01 Mahdi Karami

Visual-textual inconsistency (VTI) evaluation plays a crucial role in cleansing vision-language data. Its main challenges stem from the high variety of image captioning datasets, where differences in content can create a range of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Zihao Zhu , Hongbao Zhang , Guanzong Wu , Siwei Lyu , Baoyuan Wu

In contrast to the well-established technique of rasterization, vectorization of images poses a significant challenge in the field of computer graphics. Recent learning-based methods for converting raster images to vector formats frequently…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Qi Bing , Chaoyi Zhang , Weidong Cai

We propose a novel approach to image generation by decomposing an image into a structured sequence, where each element in the sequence shares the same spatial resolution but differs in the number of unique tokens used, capturing different…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yikai Wang , Zhouxia Wang , Zhonghua Wu , Qingyi Tao , Kang Liao , Chen Change Loy

High-resolution imagery is essential for accurate 3D reconstruction, as many geometric details only emerge at fine spatial scales. Recent feed-forward approaches, such as the Visual Geometry Grounded Transformer (VGGT), have demonstrated…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Tianrun Chen , Yuanqi Hu , Yidong Han , Hanjie Xu , Deyi Ji , Qi Zhu , Chunan Yu , Xin Zhang , Cheng Chen , Chaotao Ding , Ying Zang , Xuanfu Li , Jin Ma , Lanyun Zhu

As a natural extension of the image synthesis task, video synthesis has attracted a lot of interest recently. Many image synthesis works utilize class labels or text as guidance. However, neither labels nor text can provide explicit…

Computer Vision and Pattern Recognition · Computer Science 2022-11-18 Yuren Cong , Jinhui Yi , Bodo Rosenhahn , Michael Ying Yang

Group convolution works well with many deep convolutional neural networks (CNNs) that can effectively compress the model by reducing the number of parameters and computational cost. Using this operation, feature maps of different group…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Xukai Xie , Yuan Zhou , Sun-Yuan Kung

Neural video codecs (NVCs), leveraging the power of end-to-end learning, have demonstrated remarkable coding efficiency improvements over traditional video codecs. Recent research has begun to pay attention to the quality structures in…

Image and Video Processing · Electrical Eng. & Systems 2025-09-05 Junqi Liao , Yaojun Wu , Chaoyi Lin , Zhipin Deng , Li Li , Dong Liu , Xiaoyan Sun

Video-to-Speech (VTS) generation aims to synthesize speech from a silent video without auditory signals. However, existing VTS methods disregard the hierarchical nature of speech, which spans coarse speaker-aware semantics to fine-grained…

Sound · Computer Science 2026-04-20 Jiaxin Ye , Gaoxiang Cong , Chenhui Wang , Xin-Cheng Wen , Zhaoyang Li , Boyuan Cao , Hongming Shan

The Visual Geometry Grounded Transformer (VGGT) marks a significant leap forward in 3D scene reconstruction, as it is the first model that directly infers all key 3D attributes (camera poses, depths, and dense geometry) jointly in one pass.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Weitian Wang , Lukas Meiner , Rai Shubham , Cecilia De La Parra , Akash Kumar

Understanding and decoding brain activity into visual representations is a fundamental challenge at the intersection of neuroscience and artificial intelligence. While EEG visual decoding has shown promise due to its non-invasive, and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Minxu Liu , Donghai Guan , Chuhang Zheng , Chunwei Tian , Jie Wen , Qi Zhu

Foundation models for 3D vision have recently demonstrated remarkable capabilities in 3D perception. However, scaling these models to long-sequence image inputs remains a significant challenge due to inference-time inefficiency. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 You Shen , Zhipeng Zhang , Yansong Qu , Xiawu Zheng , Jiayi Ji , Shengchuan Zhang , Liujuan Cao

Tissue semantic segmentation is one of the key tasks in computational pathology. To avoid the expensive and laborious acquisition of pixel-level annotations, a wide range of studies attempt to adopt the class activation map (CAM), a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Zijie Fang , Yifeng Wang , Peizhang Xie , Zhi Wang , Yongbing Zhang

Vision-Language Models (VLMs) encode images and videos into abundant tokens, which contain substantial redundancy and computation cost. While visual token pruning mitigates the issue, most existing methods lack insight into the intrinsic…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Jizhihui Liu , Feiyi Du , Guangdao Zhu , Niu Lian , Jun Li , Bin Chen , Weili Guan , Yaowei Wang

High-resolution video generation has emerged as a crucial task in computer vision, with wide-ranging applications in entertainment, simulation, and data augmentation. However, generating temporally coherent and visually realistic videos…

Image and Video Processing · Electrical Eng. & Systems 2025-07-08 Abhinav Sagar

Humans are able to recognize structured relations in observation, allowing us to decompose complex scenes into simpler parts and abstract the visual world in multiple levels. However, such hierarchical reasoning ability of human perception…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Liulei Li , Tianfei Zhou , Wenguan Wang , Jianwu Li , Yi Yang

Variational autoencoders (VAEs) have witnessed great success in performing the compression of image datasets. This success, made possible by the bits-back coding framework, has produced competitive compression performance across many…

Image and Video Processing · Electrical Eng. & Systems 2022-04-06 Tom Ryder , Chen Zhang , Ning Kang , Shifeng Zhang

Existing 1D visual tokenizers for autoregressive (AR) generation largely follow the design principles of language modeling, as they are built directly upon transformers whose priors originate in language, yielding single-hierarchy latent…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Xu Zhang , Cheng Da , Huan Yang , Kun Gai , Ming Lu , Zhan Ma

Vector graphics are widely used in digital art and highly favored by designers due to their scalability and layer-wise properties. However, the process of creating and editing vector graphics requires creativity and design expertise, making…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Peiying Zhang , Nanxuan Zhao , Jing Liao

Modern multimodal large language models (MLLMs) typically keep the language model fixed and train a visual projector that maps the pixels into a sequence of tokens in its embedding space, so that images can be presented in essentially the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Hyun Lee , Hyemin Jeong , Yejin Kim , Hyungwook Choi , Hyunsoo Cho , Soo Kyung Kim , Joonseok Lee