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One of the core components of conventional (i.e., non-learned) video codecs consists of predicting a frame from a previously-decoded frame, by leveraging temporal correlations. In this paper, we propose an end-to-end learned system for…

Image and Video Processing · Electrical Eng. & Systems 2020-04-22 Nannan Zou , Honglei Zhang , Francesco Cricri , Hamed R. Tavakoli , Jani Lainema , Emre Aksu , Miska Hannuksela , Esa Rahtu

Learned Compression (LC) is the emerging technology for compressing image and video content, using deep neural networks. Despite being new, LC methods have already gained a compression efficiency comparable to state-of-the-art image…

Multimedia · Computer Science 2023-05-11 Farhad Pakdaman , Moncef Gabbouj

This work introduces NeuroQuant, a novel post-training quantization (PTQ) approach tailored to non-generalized Implicit Neural Representations for variable-rate Video Coding (INR-VC). Unlike existing methods that require extensive weight…

Image and Video Processing · Electrical Eng. & Systems 2025-02-18 Junqi Shi , Zhujia Chen , Hanfei Li , Qi Zhao , Ming Lu , Tong Chen , Zhan Ma

Various post-training uniform quantization methods have usually been studied based on convex optimization. As a result, most previous ones rely on the quantization error minimization and/or quadratic approximations. Such approaches are…

Machine Learning · Computer Science 2021-05-06 Byeongwook Kim , Dongsoo Lee , Yeonju Ro , Yongkweon Jeon , Se Jung Kwon , Baeseong Park , Daehwan Oh

The use of a learnable codebook provides an efficient way for semantic communications to map vector-based high-dimensional semantic features onto discrete symbol representations required in digital communication systems. In this paper, the…

Information Theory · Computer Science 2025-10-16 Lingyi Wang , Rashed Shelim , Walid Saad , Naren Ramakrishnan

Recent advancements in quantum computing highlight the need for efficient encoding of classical data into quantum states to ensure robust quantum information processing. Traditional encoding schemes often impose impractical requirements…

Quantum Physics · Physics 2026-05-13 Hyunho Cha , Wonjung Kim , Jungwoo Lee

Nowadays, deep-learning image coding solutions have shown similar or better compression efficiency than conventional solutions based on hand-crafted transforms and spatial prediction techniques. These deep-learning codecs require a large…

Multimedia · Computer Science 2023-11-13 Shima Mohammadi , Joao Ascenso

Image compression is one of the most fundamental techniques and commonly used applications in the image and video processing field. Earlier methods built a well-designed pipeline, and efforts were made to improve all modules of the pipeline…

Image and Video Processing · Electrical Eng. & Systems 2021-03-29 Yueyu Hu , Wenhan Yang , Zhan Ma , Jiaying Liu

Common representations of light fields use four-dimensional data structures, where a given pixel is closely related not only to its spatial neighbours within the same view, but also to its angular neighbours, co-located in adjacent views.…

Image and Video Processing · Electrical Eng. & Systems 2022-02-03 João M. Santos , Lucas A. Thomaz , Pedro A. A. Assunção , Luís A. da Silva Cruz , Luís Távora , Sérgio M. M. Faria

Inpainting-based image compression is a promising alternative to classical transform-based lossy codecs. Typically it stores a carefully selected subset of all pixel locations and their colour values. In the decoding phase the missing…

Image and Video Processing · Electrical Eng. & Systems 2023-05-16 Ferdinand Jost , Vassillen Chizhov , Joachim Weickert

Standardized lossy video coding is at the core of almost all real-world video processing pipelines. Rate control is used to enable standard codecs to adapt to different network bandwidth conditions or storage constraints. However, standard…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Christoph Reich , Biplob Debnath , Deep Patel , Tim Prangemeier , Daniel Cremers , Srimat Chakradhar

End-to-end image and video compression using auto-encoders (AE) offers new appealing perspectives in terms of rate-distortion gains and applications. While most complex models are on par with the latest compression standard like VVC/H.266…

Image and Video Processing · Electrical Eng. & Systems 2023-10-05 Franck Galpin , Muhammet Balcilar , Frédéric Lefebvre , Fabien Racapé , Pierre Hellier

Deep convolutional networks have recently achieved great success in video recognition, yet their practical realization remains a challenge due to the large amount of computational resources required to achieve robust recognition. Motivated…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Ximeng Sun , Rameswar Panda , Chun-Fu Chen , Aude Oliva , Rogerio Feris , Kate Saenko

Current state-of-the-art results in computer vision depend in part on fine-tuning large pre-trained vision models. However, with the exponential growth of model sizes, the conventional full fine-tuning, which needs to store a individual…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Shibo Jie , Haoqing Wang , Zhi-Hong Deng

Over the past several years, we have witnessed impressive progress in the field of learned image compression. Recent learned image codecs are commonly based on autoencoders, that first encode an image into low-dimensional latent…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Zongyu Guo , Zhizheng Zhang , Runsen Feng , Zhibo Chen

In recent years, the field of learned video compression has witnessed rapid advancement, exemplified by the latest neural video codecs DCVC-DC that has outperformed the upcoming next-generation codec ECM in terms of compression ratio.…

Image and Video Processing · Electrical Eng. & Systems 2024-07-24 Zidian Qiu , Zongyao He , Zhi Jin

This paper presents a video encoding method in which noise is encoded using a novel parametric model representing spectral envelope and spatial distribution of energy. The proposed method has been experimentally assessed using video test…

Image and Video Processing · Electrical Eng. & Systems 2019-09-04 Olgierd Stankiewicz

Based on the model's resilience to computational noise, model quantization is important for compressing models and improving computing speed. Existing quantization techniques rely heavily on experience and "fine-tuning" skills. In the…

Machine Learning · Computer Science 2022-07-22 Daning Cheng , Wenguang Chen

Image-based data is a popular arena for testing quantum machine learning algorithms. A crucial factor in realizing quantum advantage for these applications is the ability to efficiently represent images as quantum states. Here we present a…

Quantum Physics · Physics 2023-10-10 Jason Iaconis , Sonika Johri

Most data is automatically collected and only ever "seen" by algorithms. Yet, data compressors preserve perceptual fidelity rather than just the information needed by algorithms performing downstream tasks. In this paper, we characterize…

Machine Learning · Computer Science 2022-01-31 Yann Dubois , Benjamin Bloem-Reddy , Karen Ullrich , Chris J. Maddison