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We propose DiffQ a differentiable method for model compression for quantizing model parameters without gradient approximations (e.g., Straight Through Estimator). We suggest adding independent pseudo quantization noise to model parameters…

机器学习 · 统计学 2022-10-18 Alexandre Défossez , Yossi Adi , Gabriel Synnaeve

Deep image matting methods have achieved increasingly better results on benchmarks (e.g., Composition-1k/alphamatting.com). However, the robustness, including robustness to trimaps and generalization to images from different domains, is…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Yutong Dai , Brian Price , He Zhang , Chunhua Shen

Image compression under ultra-low bitrates remains challenging for both conventional learned image compression (LIC) and generative vector-quantized (VQ) modeling. Conventional LIC suffers from severe artifacts due to heavy quantization,…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Lei Lu , Yize Li , Yanzhi Wang , Wei Wang , Wei Jiang

The widespread adoption of generative image models has highlighted the urgent need to detect artificial content, which is a crucial step in combating widespread manipulation and misinformation. Consequently, numerous detectors and…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Patrick Grommelt , Louis Weiss , Franz-Josef Pfreundt , Janis Keuper

Token compression aims to speed up large-scale vision transformers (e.g. ViTs) by pruning (dropping) or merging tokens. It is an important but challenging task. Although recent advanced approaches achieved great success, they need to…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Mengzhao Chen , Wenqi Shao , Peng Xu , Mingbao Lin , Kaipeng Zhang , Fei Chao , Rongrong Ji , Yu Qiao , Ping Luo

Multi-frame video enhancement tasks aim to improve the spatial and temporal resolution and quality of video sequences by leveraging temporal information from multiple frames, which are widely used in streaming video processing,…

计算机视觉与模式识别 · 计算机科学 2025-05-27 ZhanFeng Feng , Long Peng , Xin Di , Yong Guo , Wenbo Li , Yulun Zhang , Renjing Pei , Yang Wang , Yang Cao , Zheng-Jun Zha

Estimating the primary quantization matrix of double JPEG compressed images is a problem of relevant importance in image forensics since it allows to infer important information about the past history of an image. In addition, the…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Benedetta Tondi , Andrea Costranzo , Dequ Huang , Bin Li

Recent advances in deep learning have led to superhuman performance across a variety of applications. Recently, these methods have been successfully employed to improve the rate-distortion performance in the task of image compression.…

图像与视频处理 · 电气工程与系统科学 2022-02-01 Ankur Mali , Alexander Ororbia , Daniel Kifer , Lee Giles

Precise perception of the environment is essential in highly automated driving systems, which rely on machine learning tasks such as object detection and segmentation. Compression of sensor data is commonly used for data handling, while…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Christian Steinhauser , Philipp Reis , Hubert Padusinski , Jacob Langner , Eric Sax

Interests in digital image processing are growing enormously in recent decades. As a result, different data compression techniques have been proposed which are concerned mostly with the minimization of information used for the…

图像与视频处理 · 电气工程与系统科学 2021-12-10 Suman Kunwar

Most real-world applications that employ deep neural networks (DNNs) quantize them to low precision to reduce the compute needs. We present a method to improve the robustness of quantized DNNs to white-box adversarial attacks. We first…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Saurabh Farkya , Aswin Raghavan , Avi Ziskind

Quantization has been applied to multiple domains in Deep Neural Networks (DNNs). We propose Depthwise Quantization (DQ) where $\textit{quantization}$ is applied to a decomposed sub-tensor along the $\textit{feature axis}$ of weak…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Iordanis Fostiropoulos , Barry Boehm

Recent advancements in machine learning achieved by Deep Neural Networks (DNNs) have been significant. While demonstrating high accuracy, DNNs are associated with a huge number of parameters and computations, which leads to high memory…

机器学习 · 计算机科学 2023-12-20 Babak Rokh , Ali Azarpeyvand , Alireza Khanteymoori

Automatic localization of text-lines in handwritten documents is still an open and challenging research problem. Various writing issues such as uneven spacing between the lines, oscillating and touching text, and the presence of skew become…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Bulla Rajesh , Sk Mahafuz Zaman , Mohammed Javed , P. Nagabhushan

The reliability of segmentation models in the medical domain depends on the model's robustness to perturbations in the input space. Robustness is a particular challenge in medical imaging exhibiting various sources of image noise,…

图像与视频处理 · 电气工程与系统科学 2022-07-06 Ainkaran Santhirasekaram , Avinash Kori , Mathias Winkler , Andrea Rockall , Ben Glocker

Diffusion models (DMs) generate remarkable high quality images via the stochastic denoising process, which unfortunately incurs high sampling time. Post-quantizing the trained diffusion models in fixed bit-widths, e.g., 4 bits on weights…

计算机视觉与模式识别 · 计算机科学 2024-12-03 Rocco Manz Maruzzelli , Basile Lewandowski , Lydia Y. Chen

For any digital application with document images such as retrieval, the classification of document images becomes an essential stage. Conventionally for the purpose, the full versions of the documents, that is the uncompressed document…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Tejasvee Bisen , Mohammed Javed , Shashank Kirtania , P. Nagabhushan

AI-generated image detectors suffer significant performance degradation under real-world image corruptions such as JPEG compression, Gaussian blur, and resolution downsampling. We observe that state-of-the-art methods, including B-Free,…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Zongyou Yang , Yinghan Hou , Xiaokun Yang

This paper is devoted to the development and research of a new compression technology based on Weyl-Heisenberg bases (WH-technology) for modifying the JPEG compression standard and improving its characteristics. For this purpose, the paper…

图像与视频处理 · 电气工程与系统科学 2025-11-18 V. Asiryan , V. Volchkov , N. Papulovskaya

Dataset Condensation (DC) distills knowledge from large datasets into smaller ones, accelerating training and reducing storage requirements. However, despite notable progress, prior methods have largely overlooked the potential of…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Linh-Tam Tran , Sung-Ho Bae