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Related papers: Turning a CLIP Model into a Scene Text Spotter

200 papers

End-to-end scene text spotting, which aims to read the text in natural images, has garnered significant attention in recent years. However, recent state-of-the-art methods usually incorporate detection and recognition simply by sharing the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Mingxin Huang , Dezhi Peng , Hongliang Li , Zhenghao Peng , Chongyu Liu , Dahua Lin , Yuliang Liu , Xiang Bai , Lianwen Jin

Contrastive Language-Image Pretraining (CLIP) stands out as a prominent method for image representation learning. Various neural architectures, spanning Transformer-based models like Vision Transformers (ViTs) to Convolutional Networks…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Cristian Rodriguez-Opazo , Edison Marrese-Taylor , Ehsan Abbasnejad , Hamed Damirchi , Ignacio M. Jara , Felipe Bravo-Marquez , Anton van den Hengel

The prosperity of deep learning contributes to the rapid progress in scene text detection. Among all the methods with convolutional networks, segmentation-based ones have drawn extensive attention due to their superiority in detecting text…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Jingyu Lin , Jie Jiang , Yan Yan , Chunchao Guo , Hongfa Wang , Wei Liu , Hanzi Wang

The evolution of prompt learning methodologies has driven exploration of deeper prompt designs to enhance model performance. However, current deep text prompting approaches suffer from two critical limitations: Over-reliance on constrastive…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Qiqi Zhan , Shiwei Li , Qingjie Liu , Yunhong Wang

Connectionist Temporal Classification (CTC) and attention mechanism are two main approaches used in recent scene text recognition works. Compared with attention-based methods, CTC decoder has a much shorter inference time, yet a lower…

Computer Vision and Pattern Recognition · Computer Science 2020-02-05 Wenyang Hu , Xiaocong Cai , Jun Hou , Shuai Yi , Zhiping Lin

Contrastive Language-Image Pre-trained (CLIP) models have zero-shot ability of classifying an image belonging to "[CLASS]" by using similarity between the image and the prompt sentence "a [CONTEXT] of [CLASS]". Based on exhaustive text cues…

Computer Vision and Pattern Recognition · Computer Science 2022-11-30 Xiaofeng Mao , Yuefeng Chen , Xiaojun Jia , Rong Zhang , Hui Xue , Zhao Li

Contrastive language-image pretraining (CLIP) has been found to be vulnerable to poisoning backdoor attacks where the adversary can achieve an almost perfect attack success rate on CLIP models by poisoning only 0.01\% of the training…

Machine Learning · Computer Science 2025-02-11 Hanxun Huang , Sarah Erfani , Yige Li , Xingjun Ma , James Bailey

While multimodal contrastive learning methods (e.g., CLIP) can achieve impressive zero-shot classification performance, recent research has revealed that these methods are vulnerable to backdoor attacks. To defend against backdoor attacks…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Yuwei Niu , Shuo He , Qi Wei , Zongyu Wu , Feng Liu , Lei Feng

Due to the flexible representation of arbitrary-shaped scene text and simple pipeline, bottom-up segmentation-based methods begin to be mainstream in real-time scene text detection. Despite great progress, these methods show deficiencies in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Xugong Qin , Pengyuan Lyu , Chengquan Zhang , Yu Zhou , Kun Yao , Peng Zhang , Hailun Lin , Weiping Wang

Contrastive Language-Image Pre-training (CLIP) on large-scale image-caption datasets learns representations that can achieve remarkable zero-shot generalization. However, such models require a massive amount of pre-training data. Improving…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Siddharth Joshi , Arnav Jain , Ali Payani , Baharan Mirzasoleiman

Previous works show that noisy, web-crawled image-text pairs may limit vision-language pretraining like CLIP and propose learning with synthetic captions as a promising alternative. Our work continues this effort, introducing two simple yet…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Yanqing Liu , Xianhang Li , Zeyu Wang , Bingchen Zhao , Cihang Xie

Vision-Language Models (VLMs), such as CLIP, have demonstrated remarkable zero-shot generalizability across diverse downstream tasks. However, recent studies have revealed that VLMs, including CLIP, are highly vulnerable to adversarial…

Cryptography and Security · Computer Science 2025-10-27 Jia Deng , Jin Li , Zhenhua Zhao , Shaowei Wang

We propose Context-Adaptive Multi-Prompt Embedding, a novel approach to enrich semantic representations in vision-language contrastive learning. Unlike standard CLIP-style models that rely on a single text embedding, our method introduces…

Machine Learning · Computer Science 2025-08-07 Dahun Kim , Anelia Angelova

While large scale pre-training has achieved great achievements in bridging the gap between vision and language, it still faces several challenges. First, the cost for pre-training is expensive. Second, there is no efficient way to handle…

Computation and Language · Computer Science 2021-09-23 Jue Wang , Haofan Wang , Jincan Deng , Weijia Wu , Debing Zhang

Vision-language models (VLMs) such as CLIP are trained via contrastive learning between text and image pairs, resulting in aligned image and text embeddings that are useful for many downstream tasks. A notable drawback of CLIP, however, is…

Machine Learning · Computer Science 2025-07-08 Dylan Sam , Devin Willmott , Joao D. Semedo , J. Zico Kolter

Cross-Modal Retrieval (CMR) is an important research topic across multimodal computing and information retrieval, which takes one type of data as the query to retrieve relevant data of another type. It has been widely used in many…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Zhixiong Zeng , Wenji Mao

Recently, CLIP-based approaches have exhibited remarkable performance on generalization and few-shot learning tasks, fueled by the power of contrastive language-vision pre-training. In particular, prompt tuning has emerged as an effective…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Balamurali Murugesan , Rukhshanda Hussain , Rajarshi Bhattacharya , Ismail Ben Ayed , Jose Dolz

As a pioneering vision-language model, CLIP (Contrastive Language-Image Pre-training) has achieved significant success across various domains and a wide range of downstream vision-language tasks. However, the text encoders in popular CLIP…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Mothilal Asokan , Kebin Wu , Fatima Albreiki

Large language models (LLMs) excel in generating coherent text, but they often struggle with context awareness, leading to inaccuracies in tasks requiring faithful adherence to provided information. We introduce FastMem, a novel method…

Computation and Language · Computer Science 2024-10-08 Junyi Zhu , Shuochen Liu , Yu Yu , Bo Tang , Yibo Yan , Zhiyu Li , Feiyu Xiong , Tong Xu , Matthew B. Blaschko

Recent models for cross-modal retrieval have benefited from an increasingly rich understanding of visual scenes, afforded by scene graphs and object interactions to mention a few. This has resulted in an improved matching between the visual…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Andrés Mafla , Rafael Sampaio de Rezende , Lluís Gómez , Diane Larlus , Dimosthenis Karatzas