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The widely used adaptive HTTP streaming requires an efficient algorithm to encode the same video to different resolutions. In this paper, we propose a fast block structure determination algorithm based on the AV1 codec that accelerates high…

Multimedia · Computer Science 2018-10-17 Bichuan Guo , Yuxing Han , Jiangtao Wen

Semantic segmentation remains a computationally intensive algorithm for embedded deployment even with the rapid growth of computation power. Thus efficient network design is a critical aspect especially for applications like automated…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Arindam Das , Saranya Kandan , Senthil Yogamani , Pavel Krizek

Using a deep autoencoder (DAE) for end-to-end communication in multiple-input multiple-output (MIMO) systems is a novel concept with significant potential. DAE-aided MIMO has been shown to outperform singular-value decomposition (SVD)-based…

Information Theory · Computer Science 2022-02-14 Xinliang Zhang , Mojtaba Vaezi , Timothy J. O'Shea

Audio codecs are a critical component of modern speech generation systems. This paper introduces a low-bitrate, multi-scale residual codec that encodes speech into four distinct streams: semantic, timbre, prosody, and residual. This…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-25 Jingyu Li , Guangyan Zhang , Zhen Ye , Yiwen Guo

For improving short-length codes, we demonstrate that classic decoders can also be used with real-valued, neural encoders, i.e., deep-learning based codeword sequence generators. Here, the classical decoder can be a valuable tool to gain…

Information Theory · Computer Science 2023-05-05 Jannis Clausius , Marvin Geiselhart , Stephan ten Brink

In this work, we develop a new iterative turbo receiver for LDPC-coded multi-antenna systems based on semidefinite relaxation (SDR). For a classical turbo receiver, forward error correction (FEC) code is only used at decoder. Nonetheless,…

Information Theory · Computer Science 2018-08-21 Kun Wang , Zhi Ding

Multimodal large language models (MLLMs) have made significant progress in vision-language understanding, yet effectively aligning different modalities remains a fundamental challenge. We present a framework that unifies multimodal…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Wanpeng Zhang , Yicheng Feng , Hao Luo , Yijiang Li , Zihao Yue , Sipeng Zheng , Zongqing Lu

Coded modulation is a key technique to increase the spectral efficiency of coherent optical communication systems. Two popular strategies for coded modulation are turbo trellis-coded modulation (TTCM) and bit-interleaved coded modulation…

Information Theory · Computer Science 2017-10-12 Eric Sillekens , Alex Alvarado , Chigo Okonkwo , Benn C. Thomsen

There is a growing demand for deploying large generative AI models on mobile devices. For recent popular video generative models, however, the Variational AutoEncoder (VAE) represents one of the major computational bottlenecks. Both large…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Ya Zou , Jingfeng Yao , Siyuan Yu , Shuai Zhang , Wenyu Liu , Xinggang Wang

In intra coding, Rate Distortion Optimization (RDO) is performed to achieve the optimal intra mode from a pre-defined candidate list. The optimal intra mode is also required to be encoded and transmitted to the decoder side besides the…

Image and Video Processing · Electrical Eng. & Systems 2022-04-11 Linwei Zhu , Yun Zhang , Na Li , Gangyi Jiang , Sam Kwong

In this work, a relay channel is studied in which a source encoder communicates with a destination decoder through a number of out-of-band relays that are connected to the decoder through capacity-constrained digital backhaul links. This…

Information Theory · Computer Science 2013-04-16 Seok-Hwan Park , Osvaldo Simeone , Onur Sahin , Shlomo Shamai

This paper describes a novel approach for combining Luby Transform (LT) codes and Network Coding (NC) in the context of PowerLine Communications (PLC) smart grid networks. Multihop transmissions of LT-encoded data on PLC networks are…

Information Theory · Computer Science 2015-09-22 Abraham Kabore , Vahid Meghdadi , Jean-Pierre Cances

The ability to accurately interpret complex visual information is a crucial topic of multimodal large language models (MLLMs). Recent work indicates that enhanced visual perception significantly reduces hallucinations and improves…

Encoder-decoder transformer models have achieved great success on various vision-language (VL) tasks, but they suffer from high inference latency. Typically, the decoder takes up most of the latency because of the auto-regressive decoding.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-16 Peng Tang , Pengkai Zhu , Tian Li , Srikar Appalaraju , Vijay Mahadevan , R. Manmatha

Emerging virtualized radio access networks (vRANs) demand flexible and efficient baseband processing across heterogeneous compute substrates. In this paper, we present DecodeX, a unified benchmarking framework for evaluating low-density…

Networking and Internet Architecture · Computer Science 2025-11-06 Zhenzhou Qi , Yuncheng Yao , Yiming Li , Chung-Hsuan Tung , Junyao Zheng , Danyang Zhuo , Tingjun Chen

This paper explores the performance of encoder and decoder language models on multilingual Natural Language Understanding (NLU) tasks, with a broad focus on Germanic languages. Building upon the ScandEval benchmark, initially restricted to…

Computation and Language · Computer Science 2025-01-14 Dan Saattrup Nielsen , Kenneth Enevoldsen , Peter Schneider-Kamp

Although the Transformer is currently the best-performing architecture in the homogeneous configuration (self-attention only) in Neural Machine Translation, many State-of-the-Art models in Natural Language Processing are made of a…

Computation and Language · Computer Science 2024-01-02 Jia Cheng Hu , Roberto Cavicchioli , Giulia Berardinelli , Alessandro Capotondi

A critical stage in the evolving landscape of VLSI design is the design phase that is transformed into register-transfer level (RTL), which specifies system functionality through hardware description languages like Verilog. Generally,…

Artificial Intelligence · Computer Science 2025-02-25 Anindita Chattopadhyay , Vijay Kumar Sutrakar

This paper presents a code generator for sparse tensor contraction computations. It leverages a mathematical representation of loop nest computations in the sparse polyhedral framework (SPF), which extends the polyhedral model to support…

Programming Languages · Computer Science 2022-08-26 Tuowen Zhao , Tobi Popoola , Mary Hall , Catherine Olschanowsky , Michelle Mills Strout

Network coding has been widely used as a technology to ensure efficient and reliable communication. The ability to recode packets at the intermediate nodes is a major benefit of network coding implementations. This allows the intermediate…

Networking and Internet Architecture · Computer Science 2023-06-21 Vipindev Adat Vasudevan , Tarun Soni , Muriel Médard
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