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Contrastive learning of auditory and visual perception has been extremely successful when investigated individually. However, there are still major questions on how we could integrate principles learned from both domains to attain effective…

计算机视觉与模式识别 · 计算机科学 2021-10-15 Haider Al-Tahan , Yalda Mohsenzadeh

Accurate in-season crop type classification is crucial for the crop production estimation and monitoring of agricultural parcels. However, the complexity of the plant growth patterns and their spatio-temporal variability present significant…

计算机视觉与模式识别 · 计算机科学 2023-11-09 Valentin Barriere , Martin Claverie , Maja Schneider , Guido Lemoine , Raphaël d'Andrimont

Self-supervised learning has shown great potentials in improving the deep learning model in an unsupervised manner by constructing surrogate supervision signals directly from the unlabeled data. Different from existing works, we present a…

计算机视觉与模式识别 · 计算机科学 2020-08-06 Jinpeng Wang , Yiqi Lin , Andy J. Ma

We show that useful video representations can be learned from synthetic videos and natural images, without incorporating natural videos in the training. We propose a progression of video datasets synthesized by simple generative processes,…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Xueyang Yu , Xinlei Chen , Yossi Gandelsman

Spatio-temporal representational learning has been widely adopted in various fields such as action recognition, video object segmentation, and action anticipation. Previous spatio-temporal representational learning approaches primarily…

计算机视觉与模式识别 · 计算机科学 2021-11-01 Xuefan Zha , Wentao Zhu , Tingxun Lv , Sen Yang , Ji Liu

Well structured visual representations can make robot learning faster and can improve generalization. In this paper, we study how we can acquire effective object-centric representations for robotic manipulation tasks without human labeling…

机器人学 · 计算机科学 2018-11-20 Eric Jang , Coline Devin , Vincent Vanhoucke , Sergey Levine

Compression has been an important research topic for many decades, to produce a significant impact on data transmission and storage. Recent advances have shown a great potential of learning image and video compression. Inspired from related…

图像与视频处理 · 电气工程与系统科学 2019-07-01 Zhengxue Cheng , Heming Sun , Masaru Takeuchi , Jiro Katto

Image cropping aims to find visually appealing crops in an image, which is an important yet challenging task. In this paper, we consider a specific and practical application: human-centric image cropping, which focuses on the depiction of a…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Bo Zhang , Li Niu , Xing Zhao , Liqing Zhang

Multimodal large language models (MLLMs) are typically trained in multiple stages, with video-based supervised fine-tuning (Video-SFT) serving as a key step for improving visual understanding. Yet its effect on the fine-grained evolution of…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Linghao Zhang , Jungang Li , Yonghua Hei , Sicheng Tao , Song Dai , Yibo Yan , Zihao Dongfang , Weiting Liu , Chenxi Qin , Hanqian Li , Xin Zou , Jiahao Zhang , Shuhang Xun , Haiyun Jiang , Xuming Hu

Unsupervised representation learning methods like SwAV are proved to be effective in learning visual semantics of a target dataset. The main idea behind these methods is that different views of a same image represent the same semantics. In…

计算机视觉与模式识别 · 计算机科学 2022-06-13 Mehdi Seyfi , Amin Banitalebi-Dehkordi , Yong Zhang

Recent adaptive methods for efficient video recognition mostly follow the two-stage paradigm of "preview-then-recognition" and have achieved great success on multiple video benchmarks. However, this two-stage paradigm involves two visits of…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Ye Tian , Mengyu Yang , Lanshan Zhang , Zhizhen Zhang , Yang Liu , Xiaohui Xie , Xirong Que , Wendong Wang

Self-attention based Transformer has achieved great success in many computer vision tasks. However, its application to video quality assessment (VQA) has not been satisfactory so far. Evaluating the quality of in-the-wild videos is…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Fengchuang Xing , Yuan-Gen Wang , Weixuan Tang , Guopu Zhu , Sam Kwong

Crop-based training strategies decouple training resolution from GPU memory consumption, allowing the use of large-capacity panoptic segmentation networks on multi-megapixel images. Using crops, however, can introduce a bias towards…

计算机视觉与模式识别 · 计算机科学 2021-03-24 Lorenzo Porzi , Samuel Rota Bulò , Peter Kontschieder

Polyps are early cancer indicators, so assessing occurrences of polyps and their removal is critical. They are observed through a colonoscopy screening procedure that generates a stream of video frames. Segmenting polyps in their natural…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Ziang Xu , Jens Rittscher , Sharib Ali

Despite the steady progress in video analysis led by the adoption of convolutional neural networks (CNNs), the relative improvement has been less drastic as that in 2D static image classification. Three main challenges exist including…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Saining Xie , Chen Sun , Jonathan Huang , Zhuowen Tu , Kevin Murphy

We propose a novel self-supervised method, referred to as Video Cloze Procedure (VCP), to learn rich spatial-temporal representations. VCP first generates "blanks" by withholding video clips and then creates "options" by applying…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Dezhao Luo , Chang Liu , Yu Zhou , Dongbao Yang , Can Ma , Qixiang Ye , Weiping Wang

The rapid progress in machine learning methods has been empowered by i) huge datasets that have been collected and annotated, ii) improved engineering (e.g. data pre-processing/normalization). The existing datasets typically include several…

计算机视觉与模式识别 · 计算机科学 2018-01-23 Grigorios G. Chrysos , Yannis Panagakis , Stefanos Zafeiriou

Video classification is highly important with wide applications, such as video search and intelligent surveillance. Video naturally consists of static and motion information, which can be represented by frame and optical flow. Recently,…

计算机视觉与模式识别 · 计算机科学 2017-11-10 Yuxin Peng , Yunzhen Zhao , Junchao Zhang

We model the photo cropping problem as a cascade of attention box regression and aesthetic quality classification, based on deep learning. A neural network is designed that has two branches for predicting attention bounding box and…

计算机视觉与模式识别 · 计算机科学 2017-10-24 Wenguan Wang , Jianbing Shen

Recently, the vision transformer (ViT) has made breakthroughs in image recognition. Its self-attention mechanism (MSA) can extract discriminative labeling information of different pixel blocks to improve image classification accuracy.…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Chao Hu , Liqiang Zhu , Weibin Qiu , Weijie Wu