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Related papers: Updating CLIP to Prefer Descriptions Over Captions

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Contrastive Language-Image Pre-training (CLIP) has been the cornerstone for zero-shot classification, text-image retrieval, and text-image generation by aligning image and text modalities. Despite its widespread adoption, a significant…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Beichen Zhang , Pan Zhang , Xiaoyi Dong , Yuhang Zang , Jiaqi Wang

Recently, Large Vision-Language Models (LVLMs) show remarkable performance across various domains. However, these models suffer from object hallucination. In this work, we study object hallucination primarily in a discriminative,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Hongseok Oh , Wonseok Hwang

Contrastive Language-Image Pre-training (CLIP) models have demonstrated remarkable performance in zero-shot classification tasks, yet their efficacy in handling complex multi-object scenarios remains challenging. This study presents a…

Computer Vision and Pattern Recognition · Computer Science 2025-02-28 Reza Abbasi , Ali Nazari , Aminreza Sefid , Mohammadali Banayeeanzade , Mohammad Hossein Rohban , Mahdieh Soleymani Baghshah

When a text description is extended with an additional detail, image-text similarity should drop if that detail is wrong. We show that CLIP-style dual encoders often violate this intuition: appending a plausible but incorrect object or…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Bora Kargi , Arnas Uselis , Seong Joon Oh

CLIP is one of the most popular foundation models and is heavily used for many vision-language tasks, yet little is known about its inner workings. As CLIP is increasingly deployed in real-world applications, it is becoming even more…

Computer Vision and Pattern Recognition · Computer Science 2025-09-22 Avinash Madasu , Vasudev Lal , Phillip Howard

Several benchmarks have concluded that our best vision-language models (e.g., CLIP) are lacking in compositionality. Given an image, these benchmarks probe a model's ability to identify its associated caption amongst a set of compositional…

Computation and Language · Computer Science 2024-09-27 Amita Kamath , Cheng-Yu Hsieh , Kai-Wei Chang , Ranjay Krishna

Fine-tuning image captioning models with hand-crafted rewards like the CIDEr metric has been a classical strategy for promoting caption quality at the sequence level. This approach, however, is known to limit descriptiveness and semantic…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Nicholas Moratelli , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Recently, vision-language models like CLIP have advanced the state of the art in a variety of multi-modal tasks including image captioning and caption evaluation. Many approaches leverage CLIP for cross-modal retrieval to condition…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Fabian Paischer , Markus Hofmarcher , Sepp Hochreiter , Thomas Adler

A wide range of image captioning models has been developed, achieving significant improvement based on popular metrics, such as BLEU, CIDEr, and SPICE. However, although the generated captions can accurately describe the image, they are…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Jiuniu Wang , Wenjia Xu , Qingzhong Wang , Antoni B. Chan

The increasing availability of image-text pairs has largely fueled the rapid advancement in vision-language foundation models. However, the vast scale of these datasets inevitably introduces significant variability in data quality, which…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Lei Zhang , Fangxun Shu , Tianyang Liu , Sucheng Ren , Hao Jiang , Cihang Xie

Recent efforts have repurposed the Contrastive Language-Image Pre-training (CLIP) model for No-Reference Image Quality Assessment (NR-IQA) by measuring the cosine similarity between the image embedding and textual prompts such as "a good…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Zhicheng Liao , Dongxu Wu , Zhenshan Shi , Sijie Mai , Hanwei Zhu , Lingyu Zhu , Yuncheng Jiang , Baoliang Chen

Quantifying the degree of similarity between images is a key copyright issue for image-based machine learning. In legal doctrine however, determining the degree of similarity between works requires subjective analysis, and fact-finders…

Computer Vision and Pattern Recognition · Computer Science 2024-02-15 Alessandro Achille , Greg Ver Steeg , Tian Yu Liu , Matthew Trager , Carson Klingenberg , Stefano Soatto

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

Neural captioners are typically trained to mimic human-generated references without optimizing for any specific communication goal, leading to problems such as the generation of vague captions. In this paper, we show that fine-tuning an…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Roberto Dessì , Michele Bevilacqua , Eleonora Gualdoni , Nathanael Carraz Rakotonirina , Francesca Franzon , Marco Baroni

Image captioning aims to describe visual content in natural language. As 'a picture is worth a thousand words', there could be various correct descriptions for an image. However, with maximum likelihood estimation as the training objective,…

Computation and Language · Computer Science 2023-10-31 Zihao Yue , Anwen Hu , Liang Zhang , Qin Jin

Contrastive Language-Image Pretraining (CLIP) performs zero-shot image classification by mapping images and textual class representation into a shared embedding space, then retrieving the class closest to the image. This work provides a new…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Fawaz Sammani , Nikos Deligiannis

Contrastive Language-Image Pre-training (CLIP)~\citep{radford2021learning} has emerged as a pivotal model in computer vision and multimodal learning, achieving state-of-the-art performance at aligning visual and textual representations…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Shaoan Xie , Lingjing Kong , Yujia Zheng , Yu Yao , Zeyu Tang , Eric P. Xing , Guangyi Chen , Kun Zhang

Large multi-modal models (LMMs) hold the potential to usher in a new era of automated visual assistance for people who are blind or low vision (BLV). Yet, these models have not been systematically evaluated on data captured by BLV users. We…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Daniela Massiceti , Camilla Longden , Agnieszka Słowik , Samuel Wills , Martin Grayson , Cecily Morrison

Evaluating and comparing text-to-image models is a challenging problem. Significant advances in the field have recently been made, piquing interest of various industrial sectors. As a consequence, a gold standard in the field should cover a…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Federico A. Galatolo , Mario G. C. A. Cimino , Edoardo Cogotti

Evaluating text-to-image generative models remains a challenge, despite the remarkable progress being made in their overall performances. While existing metrics like CLIPScore work for coarse evaluations, they lack the sensitivity to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Georgia Gabriela Sampaio , Ruixiang Zhang , Shuangfei Zhai , Jiatao Gu , Josh Susskind , Navdeep Jaitly , Yizhe Zhang