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Camouflaged Object Detection is challenging due to the high degree of similarity between camouflaged objects and their surrounding backgrounds. Current COD methods mainly rely on edge extraction in the spatial domain and local pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Song Yu , Yang Hu , Haokang Ding , Zhifang Liao , Yucheng Song

Explicit feature-grid based NeRF models have shown promising results in terms of rendering quality and significant speed-up in training. However, these methods often require a significant amount of data to represent a single scene or…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Soonbin Lee , Fangwen Shu , Yago Sanchez , Thomas Schierl , Cornelius Hellge

Automatic emotion recognition (AER) based on enriched multimodal inputs, including text, speech, and visual clues, is crucial in the development of emotionally intelligent machines. Although complex modality relationships have been proven…

Multimedia · Computer Science 2021-09-16 Shuyun Tang , Zhaojie Luo , Guoshun Nan , Yuichiro Yoshikawa , Ishiguro Hiroshi

Handwriting recognition technology allows recognizing a written text from a given data. The recognition task can target letters, symbols, or words, and the input data can be a digital image or recorded by various sensors. A wide range of…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Hilda Azimi , Steven Chang , Jonathan Gold , Koray Karabina

Hidden Markov Models (HMMs) can be accurately approximated using co-occurrence frequencies of pairs and triples of observations by using a fast spectral method in contrast to the usual slow methods like EM or Gibbs sampling. We provide a…

Machine Learning · Statistics 2012-03-29 Dean P. Foster , Jordan Rodu , Lyle H. Ungar

Electronic structure methods offer in principle accurate predictions of molecular properties, however, their applicability is limited by computational costs. Empirical methods are cheaper, but come with inherent approximations and are…

Chemical Physics · Physics 2023-11-16 Moritz Thürlemann , Sereina Riniker

The architecture of a neural network and the selection of its activation function are both fundamental to its performance. Equally vital is ensuring these two elements are well-matched, as their alignment is key to achieving effective…

Machine Learning · Computer Science 2025-06-25 Shijun Zhang , Hongkai Zhao , Yimin Zhong , Haomin Zhou

Convolutional Neural Networks (CNNs) have achieved high accuracy for cardiac structure segmentation if training cases and testing cases are from the same distribution. However, the performance would be degraded if the testing cases are from…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Jun Ma

There are limitations on the extent to which manually constructed mathematical models can capture relevant aspects of legged locomotion. Even simple models for basic behaviors such as running involve non-integrable dynamics, requiring the…

Robotics · Computer Science 2015-01-23 İsmail Uyanık , Mustafa Mert Ankaralı , Noah J. Cowan , Ömer Morgül , Uluç Saranlı

The DOA estimation method of coherent signals based on periodical coding metasurface is proposed. After periodical coding, the DOA information of incident signals in the time domain is represented as the amplitude and phase information at…

Signal Processing · Electrical Eng. & Systems 2023-12-06 Yishuo Zhao , Yan Hu , Yougen Xu

Objective: This paper considers challenges in developing algorithms for accurate segmentation and classification of heart sound (HS) signals. Methods: We propose an approach based on Markov switching autoregressive model (MSAR) to…

Signal Processing · Electrical Eng. & Systems 2020-04-27 Fuad Noman , Sh-Hussain Salleh , Chee-Ming Ting , S. Balqis Samdin , Hernando Ombao , Hadri Hussain

Knowledge present in a domain is well expressed as relationships between corresponding concepts. For example, in zoology, animal species form complex hierarchies; in genomics, the different (parts of) molecules are organized in groups and…

Machine Learning · Computer Science 2021-07-08 Lu Yin , Vlado Menkovski , Mykola Pechenizkiy

The proliferation of sophisticated generative models has significantly advanced the realism of synthetic facial content, known as deepfakes, raising serious concerns about digital trust. Although modern deep learning-based detectors perform…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Salar Adel Sabri , Ramadhan J. Mstafa

We study non-parametric frequency-domain system identification from a finite-sample perspective. We assume an open loop scenario where the excitation input is periodic and consider the Empirical Transfer Function Estimate (ETFE), where the…

Systems and Control · Electrical Eng. & Systems 2024-09-06 Anastasios Tsiamis , Mohamed Abdalmoaty , Roy S. Smith , John Lygeros

Symbolic Music Emotion Recognition(SMER) is to predict music emotion from symbolic data, such as MIDI and MusicXML. Previous work mainly focused on learning better representation via (mask) language model pre-training but ignored the…

Sound · Computer Science 2022-01-19 Jibao Qiu , C. L. Philip Chen , Tong Zhang

Handwritten word recognition from document images using deep learning is an active research area in the field of Document Image Analysis and Recognition. In the present era of Big data, since more and more documents are being generated and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Bulla Rajesh , Abhishek Kumar Gupta , Ayush Raj , Mohammed Javed , Shiv Ram Dubey

Speech emotion recognition is crucial in human-computer interaction, but extracting and using emotional cues from audio poses challenges. This paper introduces MFHCA, a novel method for Speech Emotion Recognition using Multi-Spatial Fusion…

Sound · Computer Science 2024-04-23 Xinxin Jiao , Liejun Wang , Yinfeng Yu

Facial micro-expression recognition (MER) is a challenging problem, due to transient and subtle micro-expression (ME) actions. Most existing methods depend on hand-crafted features, key frames like onset, apex, and offset frames, or deep…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Zhiwen Shao , Yifan Cheng , Feiran Li , Yong Zhou , Xuequan Lu , Yuan Xie , Lizhuang Ma

In mechanical systems coupled with joints, accurate prediction of the joint characteristics is extremely important. Despite years of research, a lot is yet to be learnt about the joints' interface dynamics. The problem becomes even more…

Applied Physics · Physics 2021-01-25 Zeeshan Saeed , Christian Maria Firrone , Teresa Maria Berruti

Micro expression recognition (MER) is a very challenging area of research due to its intrinsic nature and fine-grained changes. In the literature, the problem of MER has been solved through handcrafted/descriptor-based techniques. However,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-12 Monu Verma , Santosh Kumar Vipparthi , Girdhari Singh
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