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Image classification is one of the most fundamental capabilities of machine vision intelligence. In this work, we revisit the image classification task using visually-grounded language models (VLMs) such as GPT-4V and LLaVA. We find that…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Yuhui Zhang , Alyssa Unell , Xiaohan Wang , Dhruba Ghosh , Yuchang Su , Ludwig Schmidt , Serena Yeung-Levy

Multimodal Large Language Models (MLLMs) encode images into visual tokens, aligning visual and textual signals within a shared latent space to facilitate crossmodal representation learning. The CLIP model is a widely adopted foundational…

Machine Learning · Computer Science 2026-03-27 Kyle R. Chickering , Bangzheng Li , Muhao Chen

Contrastively-trained Vision-Language Models (VLMs) like CLIP have become the de facto approach for discriminative vision-language representation learning. However, these models have limited language understanding, often exhibiting a "bag…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Yassine Ouali , Adrian Bulat , Alexandros Xenos , Anestis Zaganidis , Ioannis Maniadis Metaxas , Brais Martinez , Georgios Tzimiropoulos

Vision-Language Pre-training (VLP) has advanced the performance of many vision-language tasks, such as image-text retrieval, visual entailment, and visual reasoning. The pre-training mostly utilizes lexical databases and image queries in…

Computation and Language · Computer Science 2023-06-30 Yasmine Karoui , Rémi Lebret , Negar Foroutan , Karl Aberer

Vision-language models (VLMs) offer a promising paradigm for image classification by comparing the similarity between images and class embeddings. A critical challenge lies in crafting precise textual representations for class names. While…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Songhao Han , Le Zhuo , Yue Liao , Si Liu

Vision Language Models (VLMs) offer the exciting possibility of processing text as rendered images, bypassing the need for tokenizing the text into long token sequences. Since VLM image encoders map fixed-size images to a fixed number of…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Roy Xie , Dan Friedman , Donghan Yu , Bowen Pan , Christopher Fifty , Jang-Hyun Kim , Xianzhi Du , Zhe Gan , Vivek Rathod , Bhuwan Dhingra

The recent advent of Large Language Models (LLMs) has ushered sophisticated reasoning capabilities into the realm of video through Video Large Language Models (VideoLLMs). However, VideoLLMs currently rely on a single vision encoder for all…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Jihoon Chung , Tyler Zhu , Max Gonzalez Saez-Diez , Juan Carlos Niebles , Honglu Zhou , Olga Russakovsky

Existing vision-language models (VLMs) mostly rely on vision encoders to extract visual features followed by large language models (LLMs) for visual-language tasks. However, the vision encoders set a strong inductive bias in abstracting…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Haiwen Diao , Yufeng Cui , Xiaotong Li , Yueze Wang , Huchuan Lu , Xinlong Wang

The advancement of Multimodal Large Language Models (MLLMs) has driven significant progress in Visual Question Answering (VQA), evolving from Single to Multi Image VQA (MVQA). However, the increased number of images in MVQA inevitably…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Kang Zeng , Guojin Zhong , Jintao Cheng , Jin Yuan , Zhiyong Li

Vision Language Model (VLM) development has largely relied on scaling model size, which hinders deployment on compute-constrained mobile and edge devices such as smartphones and robots. In this work, we explore the performance limits of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Boqiang Zhang , Lei Ke , Ruihan Yang , Qi Gao , Tianyuan Qu , Rossell Chen , Dong Yu , Leoweiliang

Vision-language models (VLMs) have emerged as formidable tools, showing their strong capability in handling various open-vocabulary tasks in image recognition, text-driven visual content generation, and visual chatbots, to name a few. In…

Machine Learning · Computer Science 2024-06-17 Shuoyuan Wang , Jindong Wang , Guoqing Wang , Bob Zhang , Kaiyang Zhou , Hongxin Wei

Recent advances in vision-language models (VLMs) trained on web-scale image-text pairs have enabled impressive zero-shot transfer across a diverse range of visual tasks. However, comprehensive and independent evaluation beyond standard…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Jia Chengyu , AprilPyone MaungMaung , Huy H. Nguyen , Jinyin Chen , Isao Echizen

Although massive pre-trained vision-language models like CLIP show impressive generalization capabilities for many tasks, still it often remains necessary to fine-tune them for improved performance on specific datasets. When doing so, it is…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Moritz Ibing , Isaak Lim , Leif Kobbelt

State-of-the-art Vision-Language Models (VLMs) ground the vision and the language modality primarily via projecting the vision tokens from the encoder to language-like tokens, which are directly fed to the Large Language Model (LLM)…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Sivan Doveh , Shaked Perek , M. Jehanzeb Mirza , Wei Lin , Amit Alfassy , Assaf Arbelle , Shimon Ullman , Leonid Karlinsky

Visual-Language Models (VLMs) have achieved remarkable progress in image captioning, visual question answering, and visual reasoning. Yet they remain prone to vision-language misalignment, often producing overly generic or hallucinated…

Large Language Model-based Vision-Language Models (LLM-based VLMs) have demonstrated impressive results in various vision-language understanding tasks. However, how well these VLMs can see image detail beyond the semantic level remains…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Chenhui Gou , Abdulwahab Felemban , Faizan Farooq Khan , Deyao Zhu , Jianfei Cai , Hamid Rezatofighi , Mohamed Elhoseiny

The original CLIP text encoder is limited by a maximum input length of 77 tokens, which hampers its ability to effectively process long texts and perform fine-grained semantic understanding. In addition, the CLIP text encoder lacks support…

Computer Vision and Pattern Recognition · Computer Science 2026-01-08 Xiaoxing Hu , Kaicheng Yang , Ziyang Gong , Qi Ming , Zonghao Guo , Yu Tian , Xiang An , Ziyong Feng , Xue Yang

Aligning visual features with language embeddings is a key challenge in vision-language models (VLMs). The performance of such models hinges on having a good connector that maps visual features generated by a vision encoder to a shared…

Many image restoration (IR) tasks require both pixel-level fidelity and high-level semantic understanding to recover realistic photos with fine-grained details. However, previous approaches often struggle to effectively leverage both the…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Cuixin Yang , Rongkang Dong , Kin-Man Lam

Humans possess the remarkable skill of Visual Perception, the ability to see and understand the seen, helping them make sense of the visual world and, in turn, reason. Multimodal Large Language Models (MLLM) have recently achieved…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Jitesh Jain , Jianwei Yang , Humphrey Shi