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We propose an efficient approach to train large diffusion models with masked transformers. While masked transformers have been extensively explored for representation learning, their application to generative learning is less explored in…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Hongkai Zheng , Weili Nie , Arash Vahdat , Anima Anandkumar

Saliency methods generating visual explanatory maps representing the importance of image pixels for model classification is a popular technique for explaining neural network decisions. Hierarchical dynamic masks (HDM), a novel explanatory…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Yitao Peng , Longzhen Yang , Yihang Liu , Lianghua He

This paper shows that masked autoencoders (MAE) are scalable self-supervised learners for computer vision. Our MAE approach is simple: we mask random patches of the input image and reconstruct the missing pixels. It is based on two core…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Kaiming He , Xinlei Chen , Saining Xie , Yanghao Li , Piotr Dollár , Ross Girshick

We present a spike-based unsupervised regenerative learning scheme to train Spiking Deep Networks (SpikeCNN) for object recognition problems using biologically realistic leaky integrate-and-fire neurons. The training methodology is based on…

神经与进化计算 · 计算机科学 2016-02-05 Priyadarshini Panda , Kaushik Roy

Large vision and language models learned directly through image-text associations often lack detailed visual substantiation, whereas image segmentation tasks are treated separately from recognition, supervisedly learned without…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Tsung-Wei Ke , Sangwoo Mo , Stella X. Yu

Capsule networks are designed to present the objects by a set of parts and their relationships, which provide an insight into the procedure of visual perception. Although recent works have shown the success of capsule networks on simple…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Chang Yu , Xiangyu Zhu , Xiaomei Zhang , Zidu Wang , Zhaoxiang Zhang , Zhen Lei

Semi-supervised learning is of great significance in medical image segmentation by exploiting unlabeled data. Among its strategies, the co-training framework is prominent. However, previous co-training studies predominantly concentrate on…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Pengcheng Zhou , Lantian Zhang , Wei Li

Deoccluding the hidden portions of objects in a scene is a formidable task, particularly when addressing real-world scenes. In this paper, we present a new self-supervised PArallel visible-to-COmplete diffusion framework, named PACO, a…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Zhengzhe Liu , Qing Liu , Chirui Chang , Jianming Zhang , Daniil Pakhomov , Haitian Zheng , Zhe Lin , Daniel Cohen-Or , Chi-Wing Fu

Humans focus attention on different face regions when recognizing face attributes. Most existing face attribute classification methods use the whole image as input. Moreover, some of these methods rely on fiducial landmarks to provide…

计算机视觉与模式识别 · 计算机科学 2017-09-14 Hui Ding , Hao Zhou , Shaohua Kevin Zhou , Rama Chellappa

Due to the prevalence of scale variance in nature images, we propose to use image scale as a self-supervised signal for Masked Image Modeling (MIM). Our method involves selecting random patches from the input image and downsampling them to…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Zhiming Wang , Lin Gu , Feng Lu

The proposed method extends upon the representational output of semantic instance segmentation by explicitly including both visible and occluded parts. A fully convolutional network is trained to produce consistent pixel-level embedding…

计算机视觉与模式识别 · 计算机科学 2020-02-18 Yanfeng Liu , Eric Psota , Lance Pérez

Masked face recognition is important for social good but challenged by diverse occlusions that cause insufficient or inaccurate representations. In this work, we propose a unified deep network to learn generative-to-discriminative…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Shiming Ge , Weijia Guo , Chenyu Li , Junzheng Zhang , Yong Li , Dan Zeng

Recovering 3D geometry and textures of individual objects is crucial for many robotics applications, such as manipulation, pose estimation, and autonomous driving. However, decomposing a target object from a complex background is…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Jun Wu , Sicheng Li , Sihui Ji , Yifei Yang , Yue Wang , Rong Xiong , Yiyi Liao

Transformer-based models attain excellent results and generalize well when trained on sufficient amounts of data. However, constrained by the limited data available in the audio domain, most transformer-based models for audio tasks are…

声音 · 计算机科学 2022-04-28 Dading Chong , Helin Wang , Peilin Zhou , Qingcheng Zeng

We present Masked Frequency Modeling (MFM), a unified frequency-domain-based approach for self-supervised pre-training of visual models. Instead of randomly inserting mask tokens to the input embeddings in the spatial domain, in this paper,…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Jiahao Xie , Wei Li , Xiaohang Zhan , Ziwei Liu , Yew Soon Ong , Chen Change Loy

Masked Autoencoders is a simple yet powerful self-supervised learning method. However, it learns representations indirectly by reconstructing masked input patches. Several methods learn representations directly by predicting representations…

音频与语音处理 · 电气工程与系统科学 2023-03-03 Daisuke Niizumi , Daiki Takeuchi , Yasunori Ohishi , Noboru Harada , Kunio Kashino

Camouflaged object detection (COD) from a single image is a challenging task due to the high similarity between objects and their surroundings. Existing fully supervised methods require labor-intensive pixel-level annotations, making weakly…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Xia Li , Xinran Liu , Lin Qi , Junyu Dong

Unsupervised contrastive learning achieves great success in learning image representations with CNN. Unlike most recent methods that focused on improving accuracy of image classification, we present a novel contrastive learning approach,…

计算机视觉与模式识别 · 计算机科学 2021-07-26 Enze Xie , Jian Ding , Wenhai Wang , Xiaohang Zhan , Hang Xu , Peize Sun , Zhenguo Li , Ping Luo

As a pioneering work, PointContrast conducts unsupervised 3D representation learning via leveraging contrastive learning over raw RGB-D frames and proves its effectiveness on various downstream tasks. However, the trend of large-scale…

计算机视觉与模式识别 · 计算机科学 2023-03-27 Xiaoyang Wu , Xin Wen , Xihui Liu , Hengshuang Zhao

Training deep CNNs to capture localized image artifacts on a relatively small dataset is a challenging task. With enough images at hand, one can hope that a deep CNN characterizes localized artifacts over the entire data and their effect on…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Parag Shridhar Chandakkar , Baoxin Li