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Restoring images afflicted by complex real-world degradations remains challenging, as conventional methods often fail to adapt to the unique mixture and severity of artifacts present. This stems from a reliance on indirect cues which poorly…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Xin Su , Chen Wu , Yu Zhang , Chen Lyu , Zhuoran Zheng

Contrastive vision-language models continue to be the dominant approach for image and text retrieval. Contrastive Language-Image Pre-training (CLIP) trains two neural networks in contrastive manner to align their image and text embeddings…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Kwun Ho Ngan , Saman Sadeghi Afgeh , Joe Townsend , Artur d'Avila Garcez

Diffusion models have demonstrated exceptional capabilities in image restoration, yet their application to video super-resolution (VSR) faces significant challenges in balancing fidelity with temporal consistency. Our evaluation reveals a…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Xiaohui Li , Yihao Liu , Shuo Cao , Ziyan Chen , Shaobin Zhuang , Xiangyu Chen , Yinan He , Yi Wang , Yu Qiao

Pre-training vision-language models with contrastive objectives has shown promising results that are both scalable to large uncurated datasets and transferable to many downstream applications. Some following works have targeted to improve…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Janghyeon Lee , Jongsuk Kim , Hyounguk Shon , Bumsoo Kim , Seung Hwan Kim , Honglak Lee , Junmo Kim

Diffusion models generate realistic visual content, yet often fail to produce rare but plausible compositions. When prompted with combinations that are valid but underrepresented in training data, such as a snowy beach or a rainbow at…

计算机视觉与模式识别 · 计算机科学 2026-05-08 Taewon Kang , Matthias Zwicker

Image denoising is a fundamental task in computer vision. While prevailing deep learning-based supervised and self-supervised methods have excelled in eliminating in-distribution noise, their susceptibility to out-of-distribution (OOD)…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Jun Cheng , Dong Liang , Shan Tan

Image classification is a well-studied task in computer vision, and yet it remains challenging under high-uncertainty conditions, such as when input images are corrupted or training data are limited. Conventional classification approaches…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Omer Belhasin , Shelly Golan , Ran El-Yaniv , Michael Elad

Learning visual representations is foundational for a broad spectrum of downstream tasks. Although recent vision-language contrastive models, such as CLIP and SigLIP, have achieved impressive zero-shot performance via large-scale…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Yin Xie , Kaicheng Yang , Xiang An , Kun Wu , Yongle Zhao , Weimo Deng , Zimin Ran , Yumeng Wang , Ziyong Feng , Roy Miles , Ismail Elezi , Jiankang Deng

In this paper, we explore a critical yet under-investigated issue: how to learn robust and well-generalized 3D representation from pre-trained vision language models such as CLIP. Previous works have demonstrated that cross-modal…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Shuqing Luo , Bowen Qu , Wei Gao

Dense retrieval (DR) has shown promising results in information retrieval. In essence, DR requires high-quality text representations to support effective search in the representation space. Recent studies have shown that pre-trained…

信息检索 · 计算机科学 2022-08-23 Xinyu Ma , Ruqing Zhang , Jiafeng Guo , Yixing Fan , Xueqi Cheng

Diffusion models have achieved remarkable success in image generation and editing tasks. Inversion within these models aims to recover the latent noise representation for a real or generated image, enabling reconstruction, editing, and…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Zixiang Li , Haoyu Wang , Wei Wang , Chuangchuang Tan , Yunchao Wei , Yao Zhao

Diffusion models have achieved remarkable success in text-to-image generation. However, their practical applications are hindered by the misalignment between generated images and corresponding text prompts. To tackle this issue,…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Zijing Hu , Fengda Zhang , Long Chen , Kun Kuang , Jiahui Li , Kaifeng Gao , Jun Xiao , Xin Wang , Wenwu Zhu

Contrastive Language-Image Pretraining (CLIP) stands out as a prominent method for image representation learning. Various architectures, from vision transformers (ViTs) to convolutional networks (ResNets) have been trained with CLIP to…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Cristian Rodriguez-Opazo , Ehsan Abbasnejad , Damien Teney , Hamed Damirchi , Edison Marrese-Taylor , Anton van den Hengel

Contrastive learning has achieved great success in self-supervised visual representation learning, but existing approaches mostly ignored spatial information which is often crucial for visual representation. This paper presents…

计算机视觉与模式识别 · 计算机科学 2020-11-20 Xinyue Huo , Lingxi Xie , Longhui Wei , Xiaopeng Zhang , Hao Li , Zijie Yang , Wengang Zhou , Houqiang Li , Qi Tian

Image-text contrastive models like CLIP have wide applications in zero-shot classification, image-text retrieval, and transfer learning. However, they often struggle on compositional visio-linguistic tasks (e.g., attribute-binding or…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Samyadeep Basu , Shell Xu Hu , Maziar Sanjabi , Daniela Massiceti , Soheil Feizi

Recently, large-scale diffusion models, e.g., Stable diffusion and DallE2, have shown remarkable results on image synthesis. On the other hand, large-scale cross-modal pre-trained models (e.g., CLIP, ALIGN, and FILIP) are competent for…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Runhui Huang , Jianhua Han , Guansong Lu , Xiaodan Liang , Yihan Zeng , Wei Zhang , Hang Xu

Using recent advances in generative artificial intelligence (AI) brought by diffusion models, this paper introduces a new synergistic method for spectral computed tomography (CT) reconstruction. Diffusion models define a neural network to…

Preserving maximal information is one of principles of designing self-supervised learning methodologies. To reach this goal, contrastive learning adopts an implicit way which is contrasting image pairs. However, we believe it is not fully…

计算机视觉与模式识别 · 计算机科学 2022-04-14 Hong-Yu Zhou , Chixiang Lu , Sibei Yang , Xiaoguang Han , Yizhou Yu

Although the vision-and-language pretraining (VLP) equipped cross-modal image-text retrieval (ITR) has achieved remarkable progress in the past two years, it suffers from a major drawback: the ever-increasing size of VLP models restricts…

多媒体 · 计算机科学 2022-07-05 Jun Rao , Liang Ding , Shuhan Qi , Meng Fang , Yang Liu , Li Shen , Dacheng Tao

We present a new self-supervised paradigm on point cloud sequence understanding. Inspired by the discriminative and generative self-supervised methods, we design two tasks, namely point cloud sequence based Contrastive Prediction and…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Xiaoxiao Sheng , Zhiqiang Shen , Gang Xiao