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The upcoming video coding standard, Versatile Video Coding (VVC), has shown great improvement compared to its predecessor, High Efficiency Video Coding (HEVC), in terms of bitrate saving. Despite its substantial performance, compressed…

Image and Video Processing · Electrical Eng. & Systems 2021-12-09 Fatemeh Nasiri , Wassim Hamidouche , Luce Morin , Nicolas Dhollande , Gildas Cocherel

Although diffusion model has shown great potential for generating higher quality images than GANs, slow sampling speed hinders its wide application in practice. Progressive distillation is thus proposed for fast sampling by progressively…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Wujie Sun , Defang Chen , Can Wang , Deshi Ye , Yan Feng , Chun Chen

Learned image compression methods have shown superior rate-distortion performance and remarkable potential compared to traditional compression methods. Most existing learned approaches use stacked convolution or window-based self-attention…

Image and Video Processing · Electrical Eng. & Systems 2024-01-03 Huairui Wang , Nianxiang Fu , Zhenzhong Chen , Shan Liu

We propose an end-to-end attribute compression method for dense point clouds. The proposed method combines a frequency sampling module, an adaptive scale feature extraction module with geometry assistance, and a global hyperprior entropy…

Image and Video Processing · Electrical Eng. & Systems 2024-09-17 Xiaolong Mao , Hui Yuan , Tian Guo , Shiqi Jiang , Raouf Hamzaoui , Sam Kwong

Dynamic graph representation learning strategies are based on different neural architectures to capture the graph evolution over time. However, the underlying neural architectures require a large amount of parameters to train and suffer…

Machine Learning · Computer Science 2020-11-12 Stefanos Antaris , Dimitrios Rafailidis

This paper presents a novel end-to-end Learned Point Cloud Geometry Compression (a.k.a., Learned-PCGC) framework, to efficiently compress the point cloud geometry (PCG) using deep neural networks (DNN) based variational autoencoders (VAE).…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Jianqiang Wang , Hao Zhu , Zhan Ma , Tong Chen , Haojie Liu , Qiu Shen

Distilling latent diffusion models (LDMs) into ones that are fast to sample from is attracting growing research interest. However, the majority of existing methods face two critical challenges: (1) They hinge on long training using a huge…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Qingsong Xie , Zhenyi Liao , Zhijie Deng , Chen chen , Haonan Lu

In recent years, the rapid expansion of dataset sizes and the increasing complexity of deep learning models have significantly escalated the demand for computational resources, both for data storage and model training. Dataset distillation…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Zhe Li , Hadrien Reynaud , Mischa Dombrowski , Sarah Cechnicka , Franciskus Xaverius Erick , Bernhard Kainz

Variational Autoencoder (VAE) encoders play a critical role in modern generative models, yet their computational cost often motivates the use of knowledge distillation or quantification to obtain compact alternatives. Existing studies…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jiaming Chu , Tao Wang , Lei Jin

The versatility of recent machine learning approaches makes them ideal for improvement of next generation video compression solutions. Unfortunately, these approaches typically bring significant increases in computational complexity and are…

Image and Video Processing · Electrical Eng. & Systems 2021-06-18 Luka Murn , Saverio Blasi , Alan F. Smeaton , Marta Mrak

Neural Video Compression (NVC) has achieved remarkable performance in recent years. However, precise rate control remains a challenge due to the inherent limitations of learning-based codecs. To solve this issue, we propose a dynamic video…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Chenhao Zhang , Wei Gao

Vision transformer has emerged as a new paradigm in computer vision, showing excellent performance while accompanied by expensive computational cost. Image token pruning is one of the main approaches for ViT compression, due to the facts…

Computer Vision and Pattern Recognition · Computer Science 2023-07-07 Xiangcheng Liu , Tianyi Wu , Guodong Guo

It has recently been demonstrated that spatial resolution adaptation can be integrated within video compression to improve overall coding performance by spatially down-sampling before encoding and super-resolving at the decoder. Significant…

Image and Video Processing · Electrical Eng. & Systems 2021-01-21 Di Ma , Fan Zhang , David R. Bull

Video compression has always been a popular research area, where many traditional and deep video compression methods have been proposed. These methods typically rely on signal prediction theory to enhance compression performance by…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Lv Tang , Xinfeng Zhang , Gai Zhang , Xiaoqi Ma

In this paper, we propose several novel deep learning methods for object saliency detection based on the powerful convolutional neural networks. In our approach, we use a gradient descent method to iteratively modify an input image based on…

Computer Vision and Pattern Recognition · Computer Science 2015-05-07 Hengyue Pan , Bo Wang , Hui Jiang

Compression methods based on inpainting are an evolving alternative to classical transform-based codecs for still images. Attempts to apply these ideas to video compression are rare, since reaching real-time performance is very challenging.…

Image and Video Processing · Electrical Eng. & Systems 2021-05-05 Sarah Andris , Pascal Peter , Rahul Mohideen Kaja Mohideen , Joachim Weickert , Sebastian Hoffmann

Neural image codecs achieve higher compression ratios than traditional hand-crafted methods such as PNG or JPEG-XL, but often incur substantial computational overhead, limiting their deployment on energy-constrained devices such as…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Till Aczel , David F. Jenny , Simon Bührer , Andreas Plesner , Antonio Di Maio , Roger Wattenhofer

Deploying high-performing 3D medical image segmenters (e.g., nnU-Net) is often limited by memory footprint and inference latency. Compression is therefore necessary, but compact 3D encoders tend to lose fine structural cues (small lesions…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Mengchen Fan , Baocheng Geng , Xi Xiao , Tianyang Wang , Siyuan Mei , Pulin Che , Xiaoqian Jiang , Qizhen Lan

We tackle the challenging issue of aggressive fine-tuning encountered during the process of transfer learning of pre-trained language models (PLMs) with limited labeled downstream data. This problem primarily results in a decline in…

Computation and Language · Computer Science 2023-12-13 Ibtihel Amara , Vinija Jain , Aman Chadha

The recent many-fold increase in the size of deep neural networks makes efficient distributed training challenging. Many proposals exploit the compressibility of the gradients and propose lossy compression techniques to speed up the…

Machine Learning · Computer Science 2021-03-19 Ahmed M. Abdelmoniem , Ahmed Elzanaty , Mohamed-Slim Alouini , Marco Canini