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In the era of foundation models, CLIP has emerged as a powerful tool for aligning text & visual modalities into a common embedding space. However, the alignment objective used to train CLIP often results in subpar visual features for…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Mohamed Fazli Imam , Rufael Fedaku Marew , Jameel Hassan , Mustansar Fiaz , Alham Fikri Aji , Hisham Cholakkal

Language-image pre-training largely relies on how precisely and thoroughly a text describes its paired image. In practice, however, the contents of an image can be so rich that well describing them requires lengthy captions (e.g., with 10…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Kecheng Zheng , Yifei Zhang , Wei Wu , Fan Lu , Shuailei Ma , Xin Jin , Wei Chen , Yujun Shen

Recently, contrastive learning has achieved great results in self-supervised learning, where the main idea is to push two augmentations of an image (positive pairs) closer compared to other random images (negative pairs). We argue that not…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Ajinkya Tejankar , Soroush Abbasi Koohpayegani , Vipin Pillai , Paolo Favaro , Hamed Pirsiavash

Large Vision-Language Models (LVLMs) often omit or misrepresent critical visual content in generated image captions. Minimizing such information loss will force LVLMs to focus on image details to generate precise descriptions. However,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Haonan Jia , Shichao Dong , Xin Dong , Zenghui Sun , Jin Wang , Jinsong Lan , Xiaoyong Zhu , Bo Zheng , Kaifu Zhang

Training models to apply common-sense linguistic knowledge and visual concepts from 2D images to 3D scene understanding is a promising direction that researchers have only recently started to explore. However, it still remains understudied…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Alexandros Delitzas , Maria Parelli , Nikolas Hars , Georgios Vlassis , Sotirios Anagnostidis , Gregor Bachmann , Thomas Hofmann

Contrastive Language-Image Pretraining (CLIP) has demonstrated great zero-shot performance for matching images and text. However, it is still challenging to adapt vision-lanaguage pretrained models like CLIP to compositional image and text…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Kenan Jiang , Xuehai He , Ruize Xu , Xin Eric Wang

We propose a weakly supervised approach for creating maps using free-form textual descriptions. We refer to this work of creating textual maps as zero-shot mapping. Prior works have approached mapping tasks by developing models that predict…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Aayush Dhakal , Adeel Ahmad , Subash Khanal , Srikumar Sastry , Hannah Kerner , Nathan Jacobs

Contrastive Language-Image Pretraining (CLIP) has been widely used in vision tasks. Notably, CLIP has demonstrated promising performance in few-shot learning (FSL). However, existing CLIP-based methods in training-free FSL (i.e., without…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Yayuan Li , Jintao Guo , Lei Qi , Wenbin Li , Yinghuan Shi

The development of large-scale image-text pair datasets has significantly advanced self-supervised learning in Vision-Language Processing (VLP). However, directly applying general-domain architectures such as CLIP to medical data presents…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Hanbin Ko , Chang-Min Park

The image-text retrieval task aims to retrieve relevant information from a given image or text. The main challenge is to unify multimodal representation and distinguish fine-grained differences across modalities, thereby finding similar…

Multimedia · Computer Science 2024-05-20 Ziyu Gong , Chengcheng Mai , Yihua Huang

CLIP (Contrastive Language-Image Pre-training) has attained great success in pattern recognition and computer vision. Transferring CLIP to downstream tasks (e.g. zero- or few-shot classification) is a hot topic in multimodal learning.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-22 Zhipeng Ye , Feng Jiang , Qiufeng Wang , Kaizhu Huang , Jiaqi Huang

Contrastive Language-Image Pretraining (CLIP) has achieved remarkable success in cross-modal tasks such as zero-shot image classification and text-image retrieval by effectively aligning visual and textual representations. However, the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Yingrui Ji , Xi Xiao , Gaofei Chen , Hao Xu , Chenrui Ma , Lijing Zhu , Aokun Liang , Jiansheng Chen

Recent vision-language foundation models still frequently produce outputs misaligned with their inputs, evidenced by object hallucination in captioning and prompt misalignment in the text-to-image generation model. Recent studies have…

Computer Vision and Pattern Recognition · Computer Science 2024-12-25 JeongYeon Nam , Jinbae Im , Wonjae Kim , Taeho Kil

Contrastive Language-Image Pretraining (CLIP) has shown impressive zero-shot performance on image classification. However, state-of-the-art methods often rely on fine-tuning techniques like prompt learning and adapter-based tuning to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Ans Munir , Faisal Z. Qureshi , Muhammad Haris Khan , Mohsen Ali

Supervised or weakly supervised methods for phrase localization (textual grounding) either rely on human annotations or some other supervised models, e.g., object detectors. Obtaining these annotations is labor-intensive and may be…

Computer Vision and Pattern Recognition · Computer Science 2022-04-08 Jiahao Li , Greg Shakhnarovich , Raymond A. Yeh

Recent advances in vision language models (VLM) have been driven by contrastive models such as CLIP, which learn to associate visual information with their corresponding text descriptions. However, these models have limitations in…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Rim Assouel , Pietro Astolfi , Florian Bordes , Michal Drozdzal , Adriana Romero-Soriano

Making decent multi-lingual sentence representations is critical to achieve high performances in cross-lingual downstream tasks. In this work, we propose a novel method to align multi-lingual embeddings based on the similarity of sentences…

Computation and Language · Computer Science 2024-05-29 Minsu Park , Seyeon Choi , Chanyeol Choi , Jun-Seong Kim , Jy-yong Sohn

Contrastive Language-Image Pre-Training (CLIP) is a popular method for learning multimodal latent spaces with well-organized semantics. Despite its wide range of applications, CLIP's latent space is known to fail at handling complex…

Machine Learning · Computer Science 2026-03-17 Raphi Kang , Yue Song , Georgia Gkioxari , Pietro Perona

D scene graphs are an emerging 3D scene representation, that models both the objects present in the scene as well as their relationships. However, learning 3D scene graphs is a challenging task because it requires not only object labels but…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Sebastian Koch , Pedro Hermosilla , Narunas Vaskevicius , Mirco Colosi , Timo Ropinski

We propose a text-to-image generation algorithm based on deep neural networks when text captions for images are unavailable during training. In this work, instead of simply generating pseudo-ground-truth sentences of training images using…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Minsoo Kang , Doyup Lee , Jiseob Kim , Saehoon Kim , Bohyung Han
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