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Existing audio language models typically rely on task-specific fine-tuning to accomplish particular audio tasks. In contrast, humans are able to generalize to new audio tasks with only a few examples or simple instructions. GPT-3 has shown…

The development of video large multimodal models (LMMs) has been hindered by the difficulty of curating large amounts of high-quality raw data from the web. To address this, we propose an alternative approach by creating a high-quality…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Yuanhan Zhang , Jinming Wu , Wei Li , Bo Li , Zejun Ma , Ziwei Liu , Chunyuan Li

Direct Preference Optimization (DPO) has been demonstrated to be highly effective in mitigating hallucinations in Large Vision Language Models (LVLMs) by aligning their outputs more closely with human preferences. Despite the recent…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Jihao Gu , Yingyao Wang , Meng Cao , Pi Bu , Jun Song , Yancheng He , Shilong Li , Bo Zheng

Existing video captioning approaches typically require to first sample video frames from a decoded video and then conduct a subsequent process (e.g., feature extraction and/or captioning model learning). In this pipeline, manual frame…

Computer Vision and Pattern Recognition · Computer Science 2024-01-04 Yaojie Shen , Xin Gu , Kai Xu , Heng Fan , Longyin Wen , Libo Zhang

Direct Preference Optimization (DPO) has recently been applied as a post-training technique for text-to-video diffusion models. To obtain training data, annotators are asked to provide preferences between two videos generated from…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Ziyi Wu , Anil Kag , Ivan Skorokhodov , Willi Menapace , Ashkan Mirzaei , Igor Gilitschenski , Sergey Tulyakov , Aliaksandr Siarohin

Large Language Models (LLMs) are increasingly embedded in enterprise workflows, yet their performance remains highly sensitive to prompt design. Automatic Prompt Optimization (APO) seeks to mitigate this instability, but existing approaches…

Artificial Intelligence · Computer Science 2026-02-03 Wei Chen , Yanbin Fang , Shuran Fu , Fasheng Xu , Xuan Wei

We present SignDPO, a novel multi-level Direct Preference Optimisation (DPO) framework designed to enhance the alignment of skeleton-based Sign Language Translation. While current skeleton-based models have made significant progress using…

Computation and Language · Computer Science 2026-04-21 Muxin Pu , Xiao-Ming Wu , Mei Kuan Lim , Chun Yong Chong , Wei Li , Chen Change Loy

In recent years, text-to-speech (TTS) has seen impressive advancements through large-scale language models, achieving human-level speech quality. Integrating human feedback has proven effective for enhancing robustness in these systems.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-03 Kangxiang Xia , Xinfa Zhu , Jixun Yao , Lei Xie

The goal of text-to-video retrieval is to search large databases for relevant videos based on text queries. Existing methods have progressed to handling explicit queries where the visual content of interest is described explicitly; however,…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Yiqing Shen , Chenxiao Fan , Chenjia Li , Mathias Unberath

Reinforcement fine-tuning (RFT), a two-stage framework consisting of supervised fine-tuning (SFT) and reinforcement learning (RL) has shown promising results on improving reasoning ability of large language models (LLMs). Yet extending RFT…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Yifan Jiang , Yueying Wang , Rui Zhao , Toufiq Parag , Zhimin Chen , Zhenyu Liao , Jayakrishnan Unnikrishnan

Understanding multimodal video ads is crucial for improving query-ad matching and relevance ranking on short video platforms, enhancing advertising effectiveness and user experience. However, the effective utilization of multimodal…

Information Retrieval · Computer Science 2025-10-13 Weitao Jia , Shuo Yin , Zhoufutu Wen , Han Wang , Zehui Dai , Kun Zhang , Zhenyu Li , Tao Zeng , Xiaohui Lv

In order to enable fluid and natural human-machine speech interaction, existing full-duplex conversational systems often adopt modular architectures with auxiliary components such as voice activity detectors, interrupters, conversation…

Computation and Language · Computer Science 2025-05-26 Wenyi Yu , Siyin Wang , Xiaoyu Yang , Xianzhao Chen , Xiaohai Tian , Jun Zhang , Guangzhi Sun , Lu Lu , Yuxuan Wang , Chao Zhang

Recent advancements in Direct Preference Optimization (DPO) have significantly enhanced the alignment of Large Language Models (LLMs) with human preferences, owing to its simplicity and effectiveness. However, existing methods typically…

Computation and Language · Computer Science 2024-10-28 Shilong Li , Yancheng He , Hui Huang , Xingyuan Bu , Jiaheng Liu , Hangyu Guo , Weixun Wang , Jihao Gu , Wenbo Su , Bo Zheng

Spatio-temporal localization is vital for precise interactions across diverse domains, from biological research to autonomous navigation and interactive interfaces. Current video-based approaches, while proficient in tracking, lack the…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Ghazi Shazan Ahmad , Ahmed Heakl , Hanan Gani , Abdelrahman Shaker , Zhiqiang Shen , Fahad Shahbaz Khan , Salman Khan

Traditional video summarization methods generate fixed video representations regardless of user interest. Therefore such methods limit users' expectations in content search and exploration scenarios. Multi-modal video summarization is one…

Computer Vision and Pattern Recognition · Computer Science 2021-04-27 Jia-Hong Huang , Luka Murn , Marta Mrak , Marcel Worring

High-quality video generation, encompassing text-to-video (T2V), image-to-video (I2V), and video-to-video (V2V) generation, holds considerable significance in content creation to benefit anyone express their inherent creativity in new ways…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Ailing Zeng , Yuhang Yang , Weidong Chen , Wei Liu

Direct Preference Optimization (DPO) controls the trade-off between fitting preference labels and staying close to a reference model using a single global temperature beta, implicitly treating all preference pairs as equally informative.…

Computation and Language · Computer Science 2026-02-02 Chaoyue He , Xin Zhou , Di Wang , Hong Xu , Wei Liu , Chunyan Miao

We argue that generative text-to-image models often struggle with prompt adherence due to the noisy and unstructured nature of large-scale datasets like LAION-5B. This forces users to rely heavily on prompt engineering to elicit desirable…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Nicholas Merchant , Haitz Sáez de Ocáriz Borde , Andrei Cristian Popescu , Carlos Garcia Jurado Suarez

Image captioning is one of the most fundamental tasks in computer vision. Owing to its open-ended nature, it has received significant attention in the era of multimodal large language models (MLLMs). In pursuit of ever more detailed and…

Computer Vision and Pattern Recognition · Computer Science 2026-05-11 Shaokai Ye , Vasileios Saveris , Yihao Qian , Jiaming Hu , Elmira Amirloo , Peter Grasch

Recent advances in image captioning have focused on scaling the data and model size, substantially increasing the cost of pre-training and finetuning. As an alternative to large models, we present SmallCap, which generates a caption…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Rita Ramos , Bruno Martins , Desmond Elliott , Yova Kementchedjhieva