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Probabilistic Latent Variable Models (LVMs) provide an alternative to self-supervised learning approaches for linguistic representation learning from speech. LVMs admit an intuitive probabilistic interpretation where the latent structure…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-09 Sameer Khurana , Antoine Laurent , Wei-Ning Hsu , Jan Chorowski , Adrian Lancucki , Ricard Marxer , James Glass

For protein sequence datasets, unlabeled data has greatly outpaced labeled data due to the high cost of wet-lab characterization. Recent deep-learning approaches to protein prediction have shown that pre-training on unlabeled data can yield…

Machine Learning · Computer Science 2020-12-02 Pascal Sturmfels , Jesse Vig , Ali Madani , Nazneen Fatema Rajani

We propose Cut-and-LEaRn (CutLER), a simple approach for training unsupervised object detection and segmentation models. We leverage the property of self-supervised models to 'discover' objects without supervision and amplify it to train a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-27 Xudong Wang , Rohit Girdhar , Stella X. Yu , Ishan Misra

Vision-language pre-training like CLIP has shown promising performance on various downstream tasks such as zero-shot image classification and image-text retrieval. Most of the existing CLIP-alike works usually adopt relatively large image…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Ying Nie , Wei He , Kai Han , Yehui Tang , Tianyu Guo , Fanyi Du , Yunhe Wang

Masked language modeling (MLM) is one of the key sub-tasks in vision-language pretraining. In the cross-modal setting, tokens in the sentence are masked at random, and the model predicts the masked tokens given the image and the text. In…

Computation and Language · Computer Science 2021-09-07 Yonatan Bitton , Gabriel Stanovsky , Michael Elhadad , Roy Schwartz

Inspired by the success of BERT, several multimodal representation learning approaches have been proposed that jointly represent image and text. These approaches achieve superior performance by capturing high-level semantic information from…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Lei Shi , Kai Shuang , Shijie Geng , Peng Gao , Zuohui Fu , Gerard de Melo , Yunpeng Chen , Sen Su

Dense Bird's Eye View (BEV) semantic maps are central to autonomous driving, yet current multi-camera methods depend on costly, inconsistently annotated BEV ground truth. We address this limitation with a two-phase training strategy for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Daniel Busch , Christian Bohn , Thomas Kurbiel , Klaus Friedrichs , Richard Meyes , Tobias Meisen

This paper studies the problem of weakly open-vocabulary semantic segmentation (WOVSS), which learns to segment objects of arbitrary classes using mere image-text pairs. Existing works turn to enhance the vanilla vision transformer by…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Fei Zhang , Tianfei Zhou , Boyang Li , Hao He , Chaofan Ma , Tianjiao Zhang , Jiangchao Yao , Ya Zhang , Yanfeng Wang

Existing perception models achieve great success by learning from large amounts of labeled data, but they still struggle with open-world scenarios. To alleviate this issue, researchers introduce open-set perception tasks to detect or…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Zhiwei Lin , Yongtao Wang , Zhi Tang

Pixel-level labels are particularly expensive to acquire. Hence, pretraining is a critical step to improve models on a task like semantic segmentation. However, prominent algorithms for pretraining neural networks use image-level…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Mathilde Caron , Neil Houlsby , Cordelia Schmid

DEtection TRansformer (DETR) for object detection reaches competitive performance compared with Faster R-CNN via a transformer encoder-decoder architecture. However, trained with scratch transformers, DETR needs large-scale training data…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Zhigang Dai , Bolun Cai , Yugeng Lin , Junying Chen

Deep convolutional neural networks have shown outstanding performance in medical image segmentation tasks. The usual problem when training supervised deep learning methods is the lack of labeled data which is time-consuming and costly to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-04 Suman Sedai , Bhavna Antony , Ravneet Rai , Katie Jones , Hiroshi Ishikawa , Joel Schuman , Wollstein Gadi , Rahil Garnavi

Large-scale pretrained vision backbones have transformed computer vision by providing powerful feature extractors that enable various downstream tasks, including training-free approaches like visual prompting for semantic segmentation.…

Recent advancements in open vocabulary models, like CLIP, have notably advanced zero-shot classification and segmentation by utilizing natural language for class-specific embeddings. However, most research has focused on improving model…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Wenfang Sun , Yingjun Du , Gaowen Liu , Ramana Kompella , Cees G. M. Snoek

In vision-language pre-training (VLP), masked image modeling (MIM) has recently been introduced for fine-grained cross-modal alignment. However, in most existing methods, the reconstruction targets for MIM lack high-level semantics, and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-04 Haowei Liu , Yaya Shi , Haiyang Xu , Chunfeng Yuan , Qinghao Ye , Chenliang Li , Ming Yan , Ji Zhang , Fei Huang , Bing Li , Weiming Hu

Scaling up the vocabulary of semantic segmentation models is extremely challenging because annotating large-scale mask labels is labour-intensive and time-consuming. Recently, language-guided segmentation models have been proposed to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Haojun Yu , Di Dai , Ziwei Zhao , Di He , Han Hu , Liwei Wang

Pretrained visual-language models have demonstrated impressive zero-shot abilities in image captioning, when accompanied by hand-crafted prompts. Meanwhile, hand-crafted prompts utilize human prior knowledge to guide the model. However, due…

Computer Vision and Pattern Recognition · Computer Science 2023-08-08 Hongchen Wei , Zhenzhong Chen

Deep learning has been widely used in medical image segmentation and other aspects. However, the performance of existing medical image segmentation models has been limited by the challenge of obtaining sufficient high-quality labeled data…

Computer Vision and Pattern Recognition · Computer Science 2023-06-28 Zihan Li , Yunxiang Li , Qingde Li , Puyang Wang , Dazhou Guo , Le Lu , Dakai Jin , You Zhang , Qingqi Hong

Unsupervised image semantic segmentation(UISS) aims to match low-level visual features with semantic-level representations without outer supervision. In this paper, we address the critical properties from the view of feature alignments and…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Daoan Zhang , Chenming Li , Haoquan Li , Wenjian Huang , Lingyun Huang , Jianguo Zhang

We present a novel approach to unsupervised learning for video object segmentation (VOS). Unlike previous work, our formulation allows to learn dense feature representations directly in a fully convolutional regime. We rely on uniform grid…

Computer Vision and Pattern Recognition · Computer Science 2021-11-12 Nikita Araslanov , Simone Schaub-Meyer , Stefan Roth