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Related papers: PACE: Post-Causal Entropy Modeling for Learned LiD…

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Deep neural networks have shown exceptional performance in various tasks, but their lack of robustness, reliability, and tendency to be overconfident pose challenges for their deployment in safety-critical applications like autonomous…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Steven Landgraf , Markus Hillemann , Kira Wursthorn , Markus Ulrich

We propose a context-adaptive entropy model for use in end-to-end optimized image compression. Our model exploits two types of contexts, bit-consuming contexts and bit-free contexts, distinguished based upon whether additional bit…

Image and Video Processing · Electrical Eng. & Systems 2019-05-07 Jooyoung Lee , Seunghyun Cho , Seung-Kwon Beack

Designing a fast and effective entropy model is challenging but essential for practical application of neural codecs. Beyond spatial autoregressive entropy models, more efficient backward adaptation-based entropy models have been recently…

Computer Vision and Pattern Recognition · Computer Science 2024-11-12 Jun-Hyuk Kim , Seungeon Kim , Won-Hee Lee , Dokwan Oh

Recent state-of-the-art Learned Image Compression methods feature spatial context models, achieving great rate-distortion improvements over hyperprior methods. However, the autoregressive context model requires serial decoding, limiting…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Fangzheng Lin , Heming Sun , Jinming Liu , Jiro Katto

We introduce PACE, a backpropagation-free continual test-time adaptation system that directly optimizes the affine parameters of normalization layers. Existing derivative-free approaches struggle to balance runtime efficiency with learning…

Machine Learning · Computer Science 2026-03-31 Damian Sójka , Sebastian Cygert , Marc Masana

The application of the context-adaptive entropy model significantly improves the rate-distortion (R-D) performance, in which hyperpriors and autoregressive models are jointly utilized to effectively capture the spatial redundancy of the…

Image and Video Processing · Electrical Eng. & Systems 2022-09-09 Haisheng Fu , Feng Liang

Learned image compression methods have attracted great research interest and exhibited superior rate-distortion performance to the best classical image compression standards of the present. The entropy model plays a key role in learned…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Jingbo Lu , Leheng Zhang , Xingyu Zhou , Mu Li , Wen Li , Shuhang Gu

Audio is a fundamental modality for analyzing speech, music, and environmental sounds. Although pretrained audio models have significantly advanced audio understanding, they remain fragile in real-world settings where data distributions…

Sound · Computer Science 2026-02-04 Chang Li , Kanglei Zhou , Liyuan Wang

The large amount of data collected by LiDAR sensors brings the issue of LiDAR point cloud compression (PCC). Previous works on LiDAR PCC have used range image representations and followed the predictive coding paradigm to create a basic…

Multimedia · Computer Science 2023-03-10 Chia-Sheng Liu , Jia-Fong Yeh , Hao Hsu , Hung-Ting Su , Ming-Sui Lee , Winston H. Hsu

Recent advancements in deep learning-based image compression are notable. However, prevalent schemes that employ a serial context-adaptive entropy model to enhance rate-distortion (R-D) performance are markedly slow. Furthermore, the…

Applications · Statistics 2024-03-25 Haisheng Fu , Feng Liang , Jie Liang , Zhenman Fang , Guohe Zhang , Jingning Han

Fixed representational capacity is a fundamental constraint in continual learning: practitioners must guess an appropriate model width before training, without knowing how many distinct concepts the data contains. We propose LACE…

Machine Learning · Computer Science 2026-03-31 Shivnath Tathe

LiDARs are widely used in autonomous robots due to their ability to provide accurate environment structural information. However, the large size of point clouds poses challenges in terms of data storage and transmission. In this paper, we…

Robotics · Computer Science 2025-02-11 Yuhao Cao , Yu Wang , Haoyao Chen

In point cloud geometry compression, most octreebased context models use the cross-entropy between the onehot encoding of node occupancy and the probability distribution predicted by the context model as the loss. This approach converts the…

Image and Video Processing · Electrical Eng. & Systems 2024-07-12 Chang Sun , Hui Yuan , Xiaolong Mao , Xin Lu , Raouf Hamzaoui

Set-based transformer models for amortized probabilistic inference and meta-learning, such as neural processes, prior-fitted networks, and tabular foundation models, excel at single-pass marginal prediction. However, many applications…

Over the last decade, deep learning has shown great success at performing computer vision tasks, including classification, super-resolution, and style transfer. Now, we apply it to data compression to help build the next generation of…

Image and Video Processing · Electrical Eng. & Systems 2024-09-16 Mateen Ulhaq

In the framework of learned image compression, the context model plays a pivotal role in capturing the dependencies among latent representations. To reduce the decoding time resulting from the serial autoregressive context model, the…

Image and Video Processing · Electrical Eng. & Systems 2023-12-01 Yang Sui , Ding Ding , Xiang Pan , Xiaozhong Xu , Shan Liu , Bo Yuan , Zhenzhong Chen

We present a novel octree-based multi-level framework for large-scale point cloud compression, which can organize sparse and unstructured point clouds in a memory-efficient way. In this framework, we propose a new entropy model that…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Zhili Chen , Zian Qian , Sukai Wang , Qifeng Chen

Multivariate time series (MTS) classification is foundational to pervasive computing and financial analysis, yet existing multi-scale paradigms are often constrained by suboptimal representation fidelity. We identify two critical…

Machine Learning · Computer Science 2026-05-22 Fan Zhang , Yating Cui , Hua Wang

Knowledge graphs provide structured context for multi-hop question answering, but deployed systems must balance answer accuracy with strict latency and cost targets while preserving provenance. Static k-hop expansions and "think-longer"…

Artificial Intelligence · Computer Science 2026-04-01 Yang Zhao , Chengxiao Dai , Wei Zhuo , Yue Xiu , Dusit Niyato

Humans learn adaptively and efficiently throughout their lives. However, incrementally learning tasks causes artificial neural networks to overwrite relevant information learned about older tasks, resulting in 'Catastrophic Forgetting'.…

Machine Learning · Computer Science 2021-02-04 Gobinda Saha , Isha Garg , Aayush Ankit , Kaushik Roy