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Due to differences in frame structure, existing multi-rate video encoding algorithms cannot be directly adapted to encoders utilizing special reference frames such as AV1 without introducing substantial rate-distortion loss. To tackle this…

Multimedia · Computer Science 2018-07-30 Bichuan Guo , Xinyao Chen , Jiawen Gu , Yuxing Han , Jiangtao Wen

Vision transformer based models bring significant improvements for image segmentation tasks. Although these architectures offer powerful capabilities irrespective of specific segmentation tasks, their use of computational resources can be…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Manyi Yao , Abhishek Aich , Yumin Suh , Amit Roy-Chowdhury , Christian Shelton , Manmohan Chandraker

Quantizing a floating-point neural network to its fixed-point representation is crucial for Learned Image Compression (LIC) because it improves decoding consistency for interoperability and reduces space-time complexity for implementation.…

Image and Video Processing · Electrical Eng. & Systems 2023-10-10 Junqi Shi , Ming Lu , Zhan Ma

Context-aware compression techniques have gained increasing attention as model sizes continue to grow, introducing computational bottlenecks that hinder efficient deployment. A structured encoding approach was proposed to selectively…

Computation and Language · Computer Science 2025-02-13 Barnaby Schmitt , Alistair Grosvenor , Matthias Cunningham , Clementine Walsh , Julius Pembrokeshire , Jonathan Teel

Neural speech codecs have been widely used in audio compression and various downstream tasks. Current mainstream codecs are fixed-frame-rate (FFR), which allocate the same number of tokens to every equal-duration slice. However, speech is…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-04 Hankun Wang , Yiwei Guo , Chongtian Shao , Bohan Li , Kai Yu

Video encoders optimize compression for human perception by minimizing reconstruction error under bit-rate constraints. In many modern applications such as autonomous driving, an overwhelming majority of videos serve as input for AI systems…

Machine Learning · Computer Science 2025-03-26 Uri Gadot , Assaf Shocher , Shie Mannor , Gal Chechik , Assaf Hallak

Most of the parameters in large vocabulary models are used in embedding layer to map categorical features to vectors and in softmax layer for classification weights. This is a bottle-neck in memory constraint on-device training applications…

Machine Learning · Computer Science 2018-11-21 Ehsan Variani , Ananda Theertha Suresh , Mitchel Weintraub

Recent neural-network-based architectures for image segmentation make extensive usage of feature forwarding mechanisms to integrate information from multiple scales. Although yielding good results, even deeper architectures and alternative…

Computer Vision and Pattern Recognition · Computer Science 2018-06-06 Fausto Milletari , Nicola Rieke , Maximilian Baust , Marco Esposito , Nassir Navab

Conventional video compression (VC) methods are based on motion compensated transform coding, and the steps of motion estimation, mode and quantization parameter selection, and entropy coding are optimized individually due to the…

Image and Video Processing · Electrical Eng. & Systems 2021-12-20 M. Akın Yılmaz , A. Murat Tekalp

Deep learning-based image compression algorithms typically focus on designing encoding and decoding networks and improving the accuracy of entropy model estimation to enhance the rate-distortion (RD) performance. However, few algorithms…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Junhui Li , Jutao Li , Xingsong Hou , Huake Wang

Due to the speed limitation of the conventional bit-chosen strategy in the existing weighted bit flipping algorithms, a high-speed LDPC decoder cannot be realized. To solve this problem, we propose a fast weighted bit flipping (FWBF)…

Information Theory · Computer Science 2012-06-18 Kexiang Ma , Yongzhao Li , Caizhi Zhu , Hailin Zhang , Feng Qi

Typically, forward error correction (FEC) codes are designed based on the minimization of the error rate for a given code rate. However, for applications that incorporate hybrid automatic repeat request (HARQ) protocol and adaptive…

Information Theory · Computer Science 2018-11-07 Hossein Khoshnevis , Ian Marsland , Halim Yanikomeroglu

In Learned Video Compression (LVC), improving inter prediction, such as enhancing temporal context mining and mitigating accumulated errors, is crucial for boosting rate-distortion performance. Existing LVCs mainly focus on mining the…

Image and Video Processing · Electrical Eng. & Systems 2025-10-29 Wei Jiang , Junru Li , Kai Zhang , Li Zhang

The recursive intra-frame block partitioning decision process, a crucial component of the next-generation video coding standards, exerts significant influence over the encoding time. In this paper, we propose an encoder-decoder neural…

Multimedia · Computer Science 2023-10-11 Yucheng Jiang , Han Peng , Yan Song , Jie Yu , Peng Zhang , Songping Mai

Recent advances in the industrial inspection of textured surfaces-in the form of visual inspection-have made such inspections possible for efficient, flexible manufacturing systems. We propose an unsupervised feature memory rearrangement…

Computer Vision and Pattern Recognition · Computer Science 2022-06-23 Haiming Yao , Wenyong Yu , Xue Wang

Prevalent predictive coding-based video compression methods rely on a heavy encoder to reduce temporal redundancy, which makes it challenging to deploy them on resource-constrained devices. Since the 1970s, distributed source coding theory…

Image and Video Processing · Electrical Eng. & Systems 2023-04-04 Xinjie Zhang , Jiawei Shao , Jun Zhang

The rapid rise of real-time communication and large language models has significantly increased the importance of speech compression. Deep learning-based neural speech codecs have outperformed traditional signal-level speech codecs in terms…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-22 Jun Xu , Zhengxue Cheng , Guangchuan Chi , Yuhan Liu , Yuelin Hu , Li Song

In this paper, we propose a new rateless coded cooperation scheme for a general multi-user cooperative wireless system. We develop cooperation methods based on Raptor codes with the assumption that the channels face erasure with specific…

Information Theory · Computer Science 2016-11-15 Mahyar Shirvanimoghaddam , Yonghui Li , Shuang Tian , Branka Vucetic

Fault-tolerant quantum computing relies on Quantum Error Correction, which encodes logical qubits into data and parity qubits. Error decoding is the process of translating the measured parity bits into types and locations of errors. To…

Quantum Physics · Physics 2024-04-05 Narges Alavisamani , Suhas Vittal , Ramin Ayanzadeh , Poulami Das , Moinuddin Qureshi

Error correction code is a major part of the communication physical layer, ensuring the reliable transfer of data over noisy channels. Recently, neural decoders were shown to outperform classical decoding techniques. However, the existing…

Machine Learning · Computer Science 2022-03-30 Yoni Choukroun , Lior Wolf