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The rapid growth of the big neural network models puts forward new requirements for lightweight network representation methods. The traditional methods based on model compression have achieved great success, especially VQ technology which…

机器学习 · 计算机科学 2024-12-11 Juncan Deng , Shuaiting Li , Zeyu Wang , Hong Gu , Kedong Xu , Kejie Huang

Deep hashing establishes efficient and effective image retrieval by end-to-end learning of deep representations and hash codes from similarity data. We present a compact coding solution, focusing on deep learning to quantization approach…

计算机视觉与模式识别 · 计算机科学 2019-02-04 Bin Liu , Yue Cao , Mingsheng Long , Jianmin Wang , Jingdong Wang

Traditional image codecs emphasize signal fidelity and human perception, often at the expense of machine vision tasks. Deep learning methods have demonstrated promising coding performance by utilizing rich semantic embeddings optimized for…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Sha Guo , Zhuo Chen , Yang Zhao , Ning Zhang , Xiaotong Li , Lingyu Duan

Since the introduction of Vision Transformer (ViT), patchification has long been regarded as a de facto image tokenization approach for plain visual architectures. By compressing the spatial size of images, this approach can effectively…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Feng Wang , Yaodong Yu , Guoyizhe Wei , Wei Shao , Yuyin Zhou , Alan Yuille , Cihang Xie

Finding optimal data for inpainting is a key problem in the context of partial differential equation based image compression. The data that yields the most accurate reconstruction is real-valued. Thus, quantisation models are mandatory to…

计算机视觉与模式识别 · 计算机科学 2017-06-21 Laurent Hoeltgen , Pascal Peter , Michael Breuß

Scalable characterization of quantum processors is crucial for mitigating noise and imperfections. While randomized measurement protocols enable efficient access to local observables, inferring a globally consistent description of…

量子物理 · 物理学 2026-03-10 Zidu Liu , Dominik S. Wild

While large-scale pre-trained text-to-image models can synthesize diverse and high-quality human-centric images, an intractable problem is how to preserve the face identity for conditioned face images. Existing methods either require…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Zhuowei Chen , Shancheng Fang , Wei Liu , Qian He , Mengqi Huang , Yongdong Zhang , Zhendong Mao

An increasing share of captured images and videos are transmitted for storage and remote analysis by computer vision algorithms, rather than to be viewed by humans. Contrary to traditional standard codecs with engineered tools, neural…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Lahiru D. Chamain , Fabien Racapé , Jean Bégaint , Akshay Pushparaja , Simon Feltman

All Lossy compression algorithms employ similar compression schemes -- frequency domain transform followed by quantization and lossless encoding schemes. They target tradeoffs by quantizating high frequency data to increase compression…

信息论 · 计算机科学 2021-12-15 Johnathan Chiu

Image compression constitutes a significant challenge amidst the era of information explosion. Recent studies employing deep learning methods have demonstrated the superior performance of learning-based image compression methods over…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Yuefeng Zhang , Kai Lin

Vector quantization (VQ) is a key component in discrete tokenizers for image generation, but its training is often unstable due to straight-through estimation bias, one-step-behind updates, and sparse codebook gradients, which lead to…

计算机视觉与模式识别 · 计算机科学 2025-09-15 Yifan Chang , Jie Qin , Limeng Qiao , Xiaofeng Wang , Zheng Zhu , Lin Ma , Xingang Wang

Scalability and efficiency are desired in neural speech codecs, which supports a wide range of bitrates for applications on various devices. We propose a collaborative quantization (CQ) scheme to jointly learn the codebook of LPC…

音频与语音处理 · 电气工程与系统科学 2020-02-14 Kai Zhen , Mi Suk Lee , Jongmo Sung , Seungkwon Beack , Minje Kim

Compression technology is essential for efficient image transmission and storage. With the rapid advances in deep learning, images are beginning to be used for image recognition as well as for human vision. For this reason, research has…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Takahiro Shindo , Taiju Watanabe , Kein Yamada , Hiroshi Watanabe

Camera relocalization relies on 3D models of the scene with a large memory footprint that is incompatible with the memory budget of several applications. One solution to reduce the scene memory size is map compression by removing certain 3D…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Zakaria Laskar , Iaroslav Melekhov , Assia Benbihi , Shuzhe Wang , Juho Kannala

In recent years, large visual language models (LVLMs) have shown impressive performance and promising generalization capability in multi-modal tasks, thus replacing humans as receivers of visual information in various application scenarios.…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Binzhe Li , Shurun Wang , Shiqi Wang , Yan Ye

Binary quantization represents the most extreme form of compression, reducing weights to +/-1 for maximal memory and computational efficiency. While recent sparsity-aware binarization achieves sub-1-bit compression via weight pruning, it…

机器学习 · 计算机科学 2026-04-10 Hao Gu , Lujun Li , Hao Wang , Lei Wang , Zheyu Wang , Bei Liu , Jiacheng Liu , Qiyuan Zhu , Sirui Han , Yike Guo

Neural receivers have shown outstanding performance compared to the conventional ones but this comes with a high network complexity leading to a heavy computational cost. This poses significant challenges in their deployment on…

信息论 · 计算机科学 2025-11-05 Roberta Fiandaca , Manil Dev Gomony

Image Coding for Machines (ICM) aims to compress images for AI tasks analysis rather than meeting human perception. Learning a kind of feature that is both general (for AI tasks) and compact (for compression) is pivotal for its success. In…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Ruoyu Feng , Xin Jin , Zongyu Guo , Runsen Feng , Yixin Gao , Tianyu He , Zhizheng Zhang , Simeng Sun , Zhibo Chen

It has been witnessed that learned image compression has outperformed conventional image coding techniques and tends to be practical in industrial applications. One of the most critical issues that need to be considered is the…

图像与视频处理 · 电气工程与系统科学 2022-12-01 Dailan He , Ziming Yang , Yuan Chen , Qi Zhang , Hongwei Qin , Yan Wang

An implementation-efficient finite alphabet decoder for polar codes relying on coarsely quantized messages and low-complexity operations is proposed. Typically, finite alphabet decoding performs concatenated compression operations on the…

信息论 · 计算机科学 2023-05-29 Philipp Mohr , Syed Aizaz Ali Shah , Gerhard Bauch