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Unsupervised image-to-image translation tasks aim to find a mapping between a source domain X and a target domain Y from unpaired training data. Contrastive learning for Unpaired image-to-image Translation (CUT) yields state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Junlin Han , Mehrdad Shoeiby , Lars Petersson , Mohammad Ali Armin

Real-scene image super-resolution aims to restore real-world low-resolution images into their high-quality versions. A typical RealSR framework usually includes the optimization of multiple criteria which are designed for different image…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Yukai Shi , Hao Li , Sen Zhang , Zhijing Yang , Xiao Wang

Contrastive learning is commonly used as a method of self-supervised learning with the "anchor" and "positive" being two random augmentations of a given input image, and the "negative" is the set of all other images. However, the…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Rishab Balasubramanian , Kunal Rathore

Vision Transformers (ViT) have recently demonstrated the significant potential of transformer architectures for computer vision. To what extent can image-based deep reinforcement learning also benefit from ViT architectures, as compared to…

Machine Learning · Computer Science 2022-05-17 Tianxin Tao , Daniele Reda , Michiel van de Panne

Consistency Training (CT) has recently emerged as a strong alternative to diffusion models for image generation. However, non-distillation CT often suffers from high variance and instability, motivating ongoing research into its training…

Machine Learning · Computer Science 2025-06-05 Gianluigi Silvestri , Luca Ambrogioni , Chieh-Hsin Lai , Yuhta Takida , Yuki Mitsufuji

Traditional supervised learning with deep neural networks requires a tremendous amount of labelled data to converge to a good solution. For 3D medical images, it is often impractical to build a large homogeneous annotated dataset for a…

Vision transformers (ViTs) inherited the success of NLP but their structures have not been sufficiently investigated and optimized for visual tasks. One of the simplest solutions is to directly search the optimal one via the widely used…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Xiu Su , Shan You , Jiyang Xie , Mingkai Zheng , Fei Wang , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Contrastive learning is a major studied topic in metric learning. However, sampling effective contrastive pairs remains a challenge due to factors such as limited batch size, imbalanced data distribution, and the risk of overfitting. In…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Bolun Cai , Pengfei Xiong , Shangxuan Tian

The vision-language navigation (VLN) task requires an agent to reach a target with the guidance of natural language instruction. Previous works learn to navigate step-by-step following an instruction. However, these works may fail to…

Computer Vision and Pattern Recognition · Computer Science 2021-12-10 Xiwen Liang , Fengda Zhu , Yi Zhu , Bingqian Lin , Bing Wang , Xiaodan Liang

Vision transformers (ViTs) have recently received explosive popularity, but their enormous model sizes and training costs remain daunting. Conventional post-training pruning often incurs higher training budgets. In contrast, this paper aims…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Tianlong Chen , Yu Cheng , Zhe Gan , Lu Yuan , Lei Zhang , Zhangyang Wang

Operator learning, which aims to approximate maps between infinite-dimensional function spaces, is an important area in scientific machine learning with applications across various physical domains. Here we introduce the Continuous Vision…

Machine Learning · Computer Science 2025-02-18 Sifan Wang , Jacob H Seidman , Shyam Sankaran , Hanwen Wang , George J. Pappas , Paris Perdikaris

We consider the post-training quantization problem, which discretizes the weights of pre-trained deep neural networks without re-training the model. We propose multipoint quantization, a quantization method that approximates a…

Machine Learning · Computer Science 2021-01-15 Xingchao Liu , Mao Ye , Dengyong Zhou , Qiang Liu

Transformers, composed of multiple self-attention layers, hold strong promises toward a generic learning primitive applicable to different data modalities, including the recent breakthroughs in computer vision achieving state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Sayak Paul , Pin-Yu Chen

Partial multi-view clustering (PVC) presents significant challenges practical research problem for data analysis in real-world applications, especially when some views of the data are partially missing. Existing clustering methods struggle…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 BoHao Chen

Post-Training Quantization (PTQ) has become the de-facto standard for efficient LLM deployment, yet its optimization objective remains fundamentally incomplete. Standard PTQ methods minimize reconstruction error (e.g., MSE or KL divergence)…

Artificial Intelligence · Computer Science 2026-03-19 Sunghyun Wee , Suyoung Kim , Hyeonjin Kim , Kyomin Hwang , Nojun Kwak

Recent adaptations can boost the low-shot capability of Contrastive Vision-Language Pre-training (CLIP) by effectively facilitating knowledge transfer. However, these adaptation methods are usually operated on the global view of an input…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Jinda Lu , Shuo Wang , Yanbin Hao , Haifeng Liu , Xiang Wang , Meng Wang

Post-training quantization (PTQ) has evolved as a prominent solution for compressing complex models, which advocates a small calibration dataset and avoids end-to-end retraining. However, most existing PTQ methods employ block-wise…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Changjun Li , Runqing Jiang , Zhuo Song , Pengpeng Yu , Ye Zhang , Yulan Guo

Existing prompt-tuning methods have demonstrated impressive performances in continual learning (CL), by selecting and updating relevant prompts in the vision-transformer models. On the contrary, this paper aims to learn each task by tuning…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Yue Lu , Shizhou Zhang , De Cheng , Yinghui Xing , Nannan Wang , Peng Wang , Yanning Zhang

Vision transformer has demonstrated promising performance on challenging computer vision tasks. However, directly training the vision transformers may yield unstable and sub-optimal results. Recent works propose to improve the performance…

Computer Vision and Pattern Recognition · Computer Science 2021-06-14 Chengyue Gong , Dilin Wang , Meng Li , Vikas Chandra , Qiang Liu

Since the development of self-supervised visual representation learning from contrastive learning to masked image modeling (MIM), there is no significant difference in essence, that is, how to design proper pretext tasks for vision…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Kun Yi , Yixiao Ge , Xiaotong Li , Shusheng Yang , Dian Li , Jianping Wu , Ying Shan , Xiaohu Qie