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Contrastive Language-Image Pre-training (CLIP) stands as one of the most effective and scalable methods for training transferable vision models using paired image and text data. CLIP models are trained using contrastive loss, which…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Lijie Fan , Dilip Krishnan , Phillip Isola , Dina Katabi , Yonglong Tian

The limited understanding capacity of the visual encoder in Contrastive Language-Image Pre-training (CLIP) has become a key bottleneck for downstream performance. This capacity includes both Discriminative Ability (D-Ability), which…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Boyu Han , Qianqian Xu , Shilong Bao , Zhiyong Yang , Ruochen Cui , Xilin Zhao , Qingming Huang

Large-scale diffusion-based generative models have led to breakthroughs in text-conditioned high-resolution image synthesis. Starting from random noise, such text-to-image diffusion models gradually synthesize images in an iterative fashion…

The powerful representation capacity of deep learning has made it inevitable for the underwater image enhancement community to employ its potential. The exploration of deep underwater image enhancement networks is increasing over time, and…

计算机视觉与模式识别 · 计算机科学 2019-07-19 Saeed Anwar , Chongyi Li

Most existing super-resolution methods and datasets have been developed to improve the image quality in well-lighted conditions. However, these methods do not work well in real-world low-light conditions as the images captured in such…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Yang Liu , Yaofang Liu , Jinshan Pan , Yuxiang Hui , Fan Jia , Raymond H. Chan , Tieyong Zeng

Underwater robots play an important role in oceanic geological exploration, resource exploitation, ecological research, and other fields. However, the visual perception of underwater robots is affected by various environmental factors. The…

图像与视频处理 · 电气工程与系统科学 2021-01-08 Xuelei Chen , Pin Zhang , Lingwei Quan , Chao Yi , Cunyue Lu

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

CLIP has shown impressive results in aligning images and texts at scale. However, its ability to capture detailed visual features remains limited because CLIP matches images and texts at a global level. To address this issue, we propose…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Rui Xiao , Sanghwan Kim , Mariana-Iuliana Georgescu , Zeynep Akata , Stephan Alaniz

Text-to-image (T2I) generative models have recently emerged as a powerful tool, enabling the creation of photo-realistic images and giving rise to a multitude of applications. However, the effective integration of T2I models into…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Zhicai Wang , Longhui Wei , Tan Wang , Heyu Chen , Yanbin Hao , Xiang Wang , Xiangnan He , Qi Tian

Diffusion-based image compression has recently shown outstanding perceptual fidelity, yet its practicality is hindered by prohibitive sampling overhead and high memory usage. Most existing diffusion codecs employ U-Net architectures, where…

图像与视频处理 · 电气工程与系统科学 2026-03-16 Junqi Shi , Ming Lu , Xingchen Li , Anle Ke , Ruiqi Zhang , Zhan Ma

Underwater visual enhancement (UVE) and underwater 3D reconstruction pose significant challenges in computer vision and AI-based tasks due to complex imaging conditions in aquatic environments. Despite the development of numerous…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Guoxi Huang , Haoran Wang , Brett Seymour , Evan Kovacs , John Ellerbrock , Dave Blackham , Nantheera Anantrasirichai

Recently most successful image synthesis models are multi stage process to combine the advantages of different methods, which always includes a VAE-like model for faithfully reconstructing embedding to image and a prior model to generate…

计算机视觉与模式识别 · 计算机科学 2022-06-02 Jie Shi , Chenfei Wu , Jian Liang , Xiang Liu , Nan Duan

Current deep learning-based low-light image enhancement methods often struggle with high-resolution images, and fail to meet the practical demands of visual perception across diverse and unseen scenarios. In this paper, we introduce a novel…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Tomáš Chobola , Yu Liu , Hanyi Zhang , Julia A. Schnabel , Tingying Peng

Underwater images often suffer from severe color distortion, low contrast, and a hazy appearance due to wavelength-dependent light absorption and scattering. Simultaneously, existing deep learning models exhibit high computational…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Munsif Ali , Najmul Hassan , Lucia Ventura , Davide Di Bari , Simonepietro Canese

Majority of deep learning methods utilize vanilla convolution for enhancing underwater images. While vanilla convolution excels in capturing local features and learning the spatial hierarchical structure of images, it tends to smooth input…

计算机视觉与模式识别 · 计算机科学 2024-10-01 Song Zhang , Daoliang Li , Ran Zhao

The image compression model has long struggled with adaptability and generalization, as the decoded bitstream typically serves only human or machine needs and fails to preserve information for unseen visual tasks. Therefore, this paper…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Kangsheng Yin , Quan Liu , Xuelin Shen , Yulin He , Wenhan Yang , Shiqi Wang

Image compression at extremely low bitrates (below 0.1 bits per pixel (bpp)) is a significant challenge due to substantial information loss. In this work, we propose a novel two-stage extreme image compression framework that exploits the…

图像与视频处理 · 电气工程与系统科学 2024-09-05 Zhiyuan Li , Yanhui Zhou , Hao Wei , Chenyang Ge , Jingwen Jiang

We present an extension to masked autoencoders (MAE) which improves on the representations learnt by the model by explicitly encouraging the learning of higher scene-level features. We do this by: (i) the introduction of a perceptual…

计算机视觉与模式识别 · 计算机科学 2023-03-29 Samyakh Tukra , Frederick Hoffman , Ken Chatfield

CLIP is a discriminative model trained to align images and text in a shared embedding space. Due to its multimodal structure, it serves as the backbone of many generative pipelines, where a decoder is trained to map from the shared space…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Antonio D'Orazio , Maria Rosaria Briglia , Donato Crisostomi , Dario Loi , Emanuele Rodolà , Iacopo Masi

Image compression technology eliminates redundant information to enable efficient transmission and storage of images, serving both machine vision and human visual perception. For years, image coding focused on human perception has been…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Takahiro Shindo , Yui Tatsumi , Taiju Watanabe , Hiroshi Watanabe