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Current large multimodal models (LMMs) face significant challenges in processing and comprehending long-duration or high-resolution videos, which is mainly due to the lack of high-quality datasets. To address this issue from a data-centric…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Weiming Ren , Huan Yang , Jie Min , Cong Wei , Wenhu Chen

With the rise of real-time rendering and the evolution of display devices, there is a growing demand for post-processing methods that offer high-resolution content in a high frame rate. Existing techniques often suffer from quality and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Ruian He , Shili Zhou , Yuqi Sun , Ri Cheng , Weimin Tan , Bo Yan

Spatio-temporal information is key to resolve occlusion and depth ambiguity in 3D pose estimation. Previous methods have focused on either temporal contexts or local-to-global architectures that embed fixed-length spatio-temporal…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Junfa Liu , Juan Rojas , Zhijun Liang , Yihui Li , Yisheng Guan

The early detection of pancreatic neoplasm is a major clinical dilemma, and it is predominantly so because tumors are likely to occur with minimal contrast margins and a large spread anatomy-wide variation amongst patients on a CT scan.…

Computer Vision and Pattern Recognition · Computer Science 2026-02-19 Janani Annur Thiruvengadam , Kiran Mayee Nabigaru , Anusha Kovi

Non-Local Attention (NLA) brings significant improvement for Single Image Super-Resolution (SISR) by leveraging intrinsic feature correlation in natural images. However, NLA gives noisy information large weights and consumes quadratic…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Bin Xia , Yucheng Hang , Yapeng Tian , Wenming Yang , Qingmin Liao , Jie Zhou

Stack-based high dynamic range (HDR) imaging is a technique for achieving a larger dynamic range in an image by combining several low dynamic range images acquired at different exposures. Minimizing the set of images to combine, while…

Computer Vision and Pattern Recognition · Computer Science 2018-06-21 Peter van Beek

With the advent of an increasing number of Augmented and Virtual Reality applications that aim to perform meaningful and controlled style edits on images of human faces, the impetus for the task of parsing face images to produce accurate…

Computer Vision and Pattern Recognition · Computer Science 2022-07-07 Snehal Singh Tomar , A. N. Rajagopalan

We describe an efficient hierarchical method to compute attention in the Transformer architecture. The proposed attention mechanism exploits a matrix structure similar to the Hierarchical Matrix (H-Matrix) developed by the numerical…

Machine Learning · Computer Science 2021-07-27 Zhenhai Zhu , Radu Soricut

This paper presents a novel framework called HST for semi-supervised video object segmentation (VOS). HST extracts image and video features using the latest Swin Transformer and Video Swin Transformer to inherit their inductive bias for the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Jun-Sang Yoo , Hongjae Lee , Seung-Won Jung

Discriminative methods often generate hand poses kinematically implausible, then generative methods are used to correct (or verify) these results in a hybrid method. Estimating 3D hand pose in a hierarchy, where the high-dimensional output…

Computer Vision and Pattern Recognition · Computer Science 2016-10-21 Qi Ye , Shanxin Yuan , Tae-Kyun Kim

With the rapid advancement of diffusion-based generative models, Stable Diffusion (SD) has emerged as a state-of-the-art framework for high-fidelity im-age synthesis. However, existing SD models suffer from suboptimal feature aggregation,…

Graphics · Computer Science 2025-07-21 Zhen-Qi Chen , Yuan-Fu Yang

Vision Transformers (ViTs) have achieved remarkable success in computer vision tasks. However, their potential in rotation-sensitive scenarios has not been fully explored, and this limitation may be inherently attributed to the lack of…

Computer Vision and Pattern Recognition · Computer Science 2024-02-23 Hongtian Yu , Yunjie Tian , Qixiang Ye , Yunfan Liu

Exploiting similar and sharper scene patches in spatio-temporal neighborhoods is critical for video deblurring. However, CNN-based methods show limitations in capturing long-range dependencies and modeling non-local self-similarity. In this…

Image and Video Processing · Electrical Eng. & Systems 2022-05-31 Jing Lin , Yuanhao Cai , Xiaowan Hu , Haoqian Wang , Youliang Yan , Xueyi Zou , Henghui Ding , Yulun Zhang , Radu Timofte , Luc Van Gool

We present a motion segmentation guided convolutional neural network (CNN) approach for high dynamic range (HDR) image deghosting. First, we segment the moving regions in the input sequence using a CNN. Then, we merge static and moving…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 K. Ram Prabhakar , Susmit Agrawal , R. Venkatesh Babu

Among the array of neural network architectures, the Vision Transformer (ViT) stands out as a prominent choice, acclaimed for its exceptional expressiveness and consistent high performance in various vision applications. Recently, the…

Neural and Evolutionary Computing · Computer Science 2023-11-17 Boxun Xu , Hejia Geng , Yuxuan Yin , Peng Li

AI compliance is becoming increasingly critical as AI systems grow more powerful and pervasive. Yet the rapid expansion of AI policies creates substantial burdens for resource-constrained practitioners lacking policy expertise. Existing…

Human-Computer Interaction · Computer Science 2026-03-26 Yu Yang , Ig-Jae Kim , Dongwook Yoon

Multi-headed Attention's (MHA) quadratic compute and linearly growing KV-cache make long-context transformers expensive to train and serve. Prior works such as Grouped Query Attention (GQA) and Multi-Latent Attention (MLA) shrink the cache,…

Computation and Language · Computer Science 2026-03-18 Tomas Figliolia , Nicholas Alonso , Rishi Iyer , Quentin Anthony , Beren Millidge

Recently, CNN based end-to-end deep learning methods achieve superiority in Image Dehazing but they tend to fail drastically in Non-homogeneous dehazing. Apart from that, existing popular Multi-scale approaches are runtime intensive and…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Sourya Dipta Das , Saikat Dutta

In recent years, the long-range attention mechanism of vision transformers has driven significant performance breakthroughs across various computer vision tasks. However, the traditional self-attention mechanism, which processes both…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Tianyi Zhang , Baoxin Li , Jae-sun Seo , Yu Cao

Geo-localization is a critical task in computer vision. In this work, we cast the geo-localization as a 2D image retrieval task. Current state-of-the-art methods for 2D geo-localization are not robust to locate a scene with drastic scale…

Computer Vision and Pattern Recognition · Computer Science 2021-02-19 Liqi Yan , Yiming Cui , Yingjie Chen , Dongfang Liu