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Stereo matching algorithms usually consist of four steps, including matching cost calculation, matching cost aggregation, disparity calculation, and disparity refinement. Existing CNN-based methods only adopt CNN to solve parts of the four…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Zhengfa Liang , Yiliu Feng , Yulan Guo , Hengzhu Liu , Wei Chen , Linbo Qiao , Li Zhou , Jianfeng Zhang

Multi-view clustering (MVC) has emerged as a powerful technique for extracting valuable insights from data characterized by multiple perspectives or modalities. Despite significant advancements, existing MVC methods struggle with…

人工智能 · 计算机科学 2024-12-24 Lijian Li

In this paper, we present a novel approach to detect ground control points (GCPs) for stereo matching problem. First of all, we train a convolutional neural network (CNN) on a large stereo set, and compute the matching confidence of each…

计算机视觉与模式识别 · 计算机科学 2016-05-10 Zhun Zhong , Songzhi Su , Donglin Cao , Shaozi Li

In this paper, we propose an efficient multi-scale geometric consistency guided multi-view stereo method for accurate and complete depth map estimation. We first present our basic multi-view stereo method with Adaptive Checkerboard sampling…

计算机视觉与模式识别 · 计算机科学 2019-04-18 Qingshan Xu , Wenbing Tao

The complexity of scene parsing grows with the number of object and scene classes, which is higher in unrestricted open scenes. The biggest challenge is to model the spatial relation between scene elements while succeeding in identifying…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Vivek Singh , Shailza Sharma , Fabio Cuzzolin

Audio-visual speech recognition (AVSR) system is thought to be one of the most promising solutions for robust speech recognition, especially in noisy environment. In this paper, we propose a novel multimodal attention based method for…

计算与语言 · 计算机科学 2019-04-24 Pan Zhou , Wenwen Yang , Wei Chen , Yanfeng Wang , Jia Jia

This work is an improved system that we submitted to task 1 of DCASE2023 challenge. We propose a method of low-complexity acoustic scene classification by a parallel attention-convolution network which consists of four modules, including…

音频与语音处理 · 电气工程与系统科学 2024-06-13 Yanxiong Li , Jiaxin Tan , Guoqing Chen , Jialong Li , Yongjie Si , Qianhua He

Using a Bayesian approach, we consider the problem of recovering sparse signals under additive sparse and dense noise. Typically, sparse noise models outliers, impulse bursts or data loss. To handle sparse noise, existing methods…

机器学习 · 统计学 2015-01-13 Martin Sundin , Saikat Chatterjee , Magnus Jansson

Deep learning-based speech enhancement methods have significantly improved speech quality and intelligibility. Convolutional neural networks (CNNs) have been proven to be essential components of many high-performance models. In this paper,…

音频与语音处理 · 电气工程与系统科学 2025-11-11 Dahan Wang , Xiaobin Rong , Shiruo Sun , Yuxiang Hu , Changbao Zhu , Jing Lu

Stereo image pairs encode 3D scene cues into stereo correspondences between the left and right images. To exploit 3D cues within stereo images, recent CNN based methods commonly use cost volume techniques to capture stereo correspondence…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Longguang Wang , Yulan Guo , Yingqian Wang , Zhengfa Liang , Zaiping Lin , Jungang Yang , Wei An

Multi-view stereo depth estimation based on cost volume usually works better than self-supervised monocular depth estimation except for moving objects and low-textured surfaces. So in this paper, we propose a multi-frame depth estimation…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Zhuofei Huang , Jianlin Liu , Shang Xu , Ying Chen , Yong Liu

This paper proposes a novel deep learning-based video object matting method that can achieve temporally coherent matting results. Its key component is an attention-based temporal aggregation module that maximizes image matting networks'…

计算机视觉与模式识别 · 计算机科学 2021-07-30 Yunke Zhang , Chi Wang , Miaomiao Cui , Peiran Ren , Xuansong Xie , Xian-sheng Hua , Hujun Bao , Qixing Huang , Weiwei Xu

This paper proposes attentive statistics pooling for deep speaker embedding in text-independent speaker verification. In conventional speaker embedding, frame-level features are averaged over all the frames of a single utterance to form an…

音频与语音处理 · 电气工程与系统科学 2019-02-27 Koji Okabe , Takafumi Koshinaka , Koichi Shinoda

Anomaly recognition plays a vital role in surveillance, transportation, healthcare, and public safety. However, most existing approaches rely solely on visual data, making them unreliable under challenging conditions such as occlusion, low…

计算机视觉与模式识别 · 计算机科学 2025-11-12 Amjid Ali , Zulfiqar Ahmad Khan , Altaf Hussain , Muhammad Munsif , Adnan Hussain , Sung Wook Baik

Acoustic velocity vectors (AVVs) are related to the human's perception of sound at low frequencies and are widely used in Ambisonics. This paper proposes a spatial sound field reproduction algorithm called velocity matching, which…

音频与语音处理 · 电气工程与系统科学 2024-09-06 Jiarui Wang , Thushara Abhayapala , Jihui Aimee Zhang , Prasanga Samarasinghe

Automatic Audio Captioning (AAC) refers to the task of translating audio into a natural language that describes the audio events, source of the events and their relationships. The limited samples in AAC datasets at present, has set up a…

声音 · 计算机科学 2022-02-01 Swapnil Bhosale , Rupayan Chakraborty , Sunil Kumar Kopparapu

Self-attention mechanisms model long-range context by using pairwise attention between all input tokens. In doing so, they assume a fixed attention granularity defined by the individual tokens (e.g., text characters or image pixels), which…

机器学习 · 计算机科学 2022-07-06 Chen Huang , Walter Talbott , Navdeep Jaitly , Josh Susskind

Audio-visual target speaker extraction (AV-TSE) aims to extract the specific person's speech from the audio mixture given auxiliary visual cues. Previous methods usually search for the target voice through speech-lip synchronization.…

音频与语音处理 · 电气工程与系统科学 2025-03-04 Ruijie Tao , Xinyuan Qian , Yidi Jiang , Junjie Li , Jiadong Wang , Haizhou Li

In recent years, user-generated audio content has proliferated across various media platforms, creating a growing need for efficient retrieval methods that allow users to search for audio clips using natural language queries. This task,…

声音 · 计算机科学 2024-12-31 Haoran Sun , Zimu Wang , Qiuyi Chen , Jianjun Chen , Jia Wang , Haiyang Zhang

The audio-visual event localization task requires identifying concurrent visual and auditory events from unconstrained videos within a network model, locating them, and classifying their category. The efficient extraction and integration of…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Xiang He , Xiangxi Liu , Yang Li , Dongcheng Zhao , Guobin Shen , Qingqun Kong , Xin Yang , Yi Zeng