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In this work, we present TGLS, a novel framework to unsupervised Text Generation by Learning from Search. We start by applying a strong search algorithm (in particular, simulated annealing) towards a heuristically defined objective that…

计算与语言 · 计算机科学 2020-07-20 Jingjing Li , Zichao Li , Lili Mou , Xin Jiang , Michael R. Lyu , Irwin King

Subject-driven text-to-image diffusion models empower users to tailor the model to new concepts absent in the pre-training dataset using a few sample images. However, prevalent subject-driven models primarily rely on single-concept input…

计算机视觉与模式识别 · 计算机科学 2024-02-16 Junjie Shentu , Matthew Watson , Noura Al Moubayed

Recently, sequence-to-sequence (seq2seq) models with the Transformer architecture have achieved remarkable performance on various conditional text generation tasks, such as machine translation. However, most of them are trained with teacher…

计算与语言 · 计算机科学 2021-03-11 Seanie Lee , Dong Bok Lee , Sung Ju Hwang

Image-text matching aims to find matched cross-modal pairs accurately. While current methods often rely on projecting cross-modal features into a common embedding space, they frequently suffer from imbalanced feature representations across…

信息检索 · 计算机科学 2024-01-19 Zuhui Wang , Yunting Yin , I. V. Ramakrishnan

Diffusion probabilistic models (DPMs) have become a popular approach to conditional generation, due to their promising results and support for cross-modal synthesis. A key desideratum in conditional synthesis is to achieve high…

计算机视觉与模式识别 · 计算机科学 2023-02-17 Ye Zhu , Yu Wu , Kyle Olszewski , Jian Ren , Sergey Tulyakov , Yan Yan

Though offering amazing contextualized token-level representations, current pre-trained language models actually take less attention on acquiring sentence-level representation during its self-supervised pre-training. If self-supervised…

计算与语言 · 计算机科学 2022-10-24 Bohong Wu , Hai Zhao

Inspired by the strong ties between vision and language, the two intimate human sensing and communication modalities, our paper aims to explore the generation of 3D human full-body motions from texts, as well as its reciprocal task,…

计算机视觉与模式识别 · 计算机科学 2022-08-08 Chuan Guo , Xinxin Zuo , Sen Wang , Li Cheng

With the rapid development of Large Language Models (LLMs), Controllable Text Generation (CTG) has become a critical technology for enhancing system reliability and user experience. Addressing the limitations of traditional methods, this…

计算与语言 · 计算机科学 2025-09-23 Yan Zhuang , Yuan Sun

Contrastive learning is a powerful technique to learn representations that are semantically distinctive and geometrically invariant. While most of the earlier approaches have demonstrated its effectiveness on single-modality learning tasks…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Anurag Jain , Yashaswi Verma

With the growing popularity of personalized human content creation and sharing, there is a rising demand for advanced techniques in customized human image generation. However, current methods struggle to simultaneously maintain the fidelity…

图形学 · 计算机科学 2025-02-21 Ye Wang , Xuping Xie , Lanjun Wang , Zili Yi , Rui Ma

Despite recent success on various tasks, deep learning techniques still perform poorly on adversarial examples with small perturbations. While optimization-based methods for adversarial attacks are well-explored in the field of computer…

计算与语言 · 计算机科学 2023-06-09 Lifan Yuan , Yichi Zhang , Yangyi Chen , Wei Wei

Motivated by the success of coarse-grained or fine-grained contrast in text-video retrieval, there emerge multi-grained contrastive learning methods which focus on the integration of contrasts with different granularity. However, due to the…

信息检索 · 计算机科学 2025-04-08 Xiaolun Jing , Genke Yang , Jian Chu

Recent studies show that, both explicit deep feature matching as well as large-scale and diverse training data can significantly improve the generalization of person re-identification. However, the efficiency of learning deep matchers on…

计算机视觉与模式识别 · 计算机科学 2022-04-07 Shengcai Liao , Ling Shao

Contrastive learning has been frequently investigated to learn effective representations for text clustering tasks. While existing contrastive learning-based text clustering methods only focus on modeling instance-wise semantic similarity…

计算与语言 · 计算机科学 2024-08-27 Qian Yong , Chen Chen , Xiabing Zhou

Most of the proposed person re-identification algorithms conduct supervised training and testing on single labeled datasets with small size, so directly deploying these trained models to a large-scale real-world camera network may lead to…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Jianming Lv , Weihang Chen , Qing Li , Can Yang

Text-based person re-identification(Re-id) is an important task in video surveillance, which consists of retrieving the corresponding person's image given a textual description from a large gallery of images. It is difficult to directly…

计算机视觉与模式识别 · 计算机科学 2020-09-22 Tinghuai Ma , Mingming Yang , Huan Rong , Yurong Qian , Yurong Qian , Yuan Tian , NajlaAl-Nabhan

Multimodal contrastive learning is a methodology for linking different data modalities; the canonical example is linking image and text data. The methodology is typically framed as the identification of a set of encoders, one for each…

机器学习 · 统计学 2025-06-02 Ricardo Baptista , Andrew M. Stuart , Son Tran

Text-driven content creation has evolved to be a transformative technique that revolutionizes creativity. Here we study the task of text-driven human video generation, where a video sequence is synthesized from texts describing the…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Yuming Jiang , Shuai Yang , Tong Liang Koh , Wayne Wu , Chen Change Loy , Ziwei Liu

Contrastive learning is a powerful technique for discovering meaningful data representations by optimizing objectives based on $\textit{contrastive information}$, often given as a set of weighted triplets $\{(x_i, y_i^+, z_{i}^-)\}_{i =…

Deep Candidate Generation plays an important role in large-scale recommender systems. It takes user history behaviors as inputs and learns user and item latent embeddings for candidate generation. In the literature, conventional methods…

信息检索 · 计算机科学 2022-11-24 Ningning Li , Qunwei Li , Xichen Ding , Shaohu Chen , Wenliang Zhong