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Network quantization is a dominant paradigm of model compression. However, the abrupt changes in quantized weights during training often lead to severe loss fluctuations and result in a sharp loss landscape, making the gradients unstable…

计算机视觉与模式识别 · 计算机科学 2023-03-22 Jing Liu , Jianfei Cai , Bohan Zhuang

The inherent heavy computation of deep neural networks prevents their widespread applications. A widely used method for accelerating model inference is quantization, by replacing the input operands of a network using fixed-point values.…

计算机视觉与模式识别 · 计算机科学 2020-05-28 Hongwei Xie , Shuo Zhang , Huanghao Ding , Yafei Song , Baitao Shao , Conggang Hu , Ling Cai , Mingyang Li

Diffusion models represent the cutting edge in image generation, but their high memory and computational demands hinder deployment on resource-constrained devices. Post-Training Quantization (PTQ) offers a promising solution by reducing the…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Marco Federici , Riccardo Del Chiaro , Boris van Breugel , Paul Whatmough , Markus Nagel

Transformer-based video diffusion models (VDMs) deliver state-of-the-art video generation quality but are constrained by the quadratic cost of self-attention, making long sequences and high resolutions computationally expensive. While…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Mohsen Ghafoorian , Denis Korzhenkov , Amirhossein Habibian

Today, the competition to build a quantum computer continues, and the number of qubits in hardware is increasing rapidly. However, the quantum noise that comes with this process reduces the performance of algorithmic applications, so…

量子物理 · 物理学 2023-07-25 Ufuk Korkmaz , Deniz Türkpençe

Diffusion-based image super-resolution (ISR) has shown strong potential, but it still struggles in real-world scenarios where degradations are unknown and spatially non-uniform, often resulting in lost details or visual artifacts. To…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Junjie Yin , Jiaju Li , Hanfa Xing

Diffusion Transformer (DiT)-based video diffusion models generate high-quality videos at scale but incur prohibitive processing latency and memory costs for long videos. To address this, we propose a novel distributed inference strategy,…

计算机视觉与模式识别 · 计算机科学 2025-05-30 Zeqing Wang , Bowen Zheng , Xingyi Yang , Zhenxiong Tan , Yuecong Xu , Xinchao Wang

Diffusion Transformers (DiTs) with billions of model parameters form the backbone of popular image and video generation models like DALL.E, Stable-Diffusion and SORA. Though these models are necessary in many low-latency applications like…

计算机视觉与模式识别 · 计算机科学 2025-02-21 Vignesh Sundaresha

Recently, transformer has achieved remarkable performance on a variety of computer vision applications. Compared with mainstream convolutional neural networks, vision transformers are often of sophisticated architectures for extracting…

计算机视觉与模式识别 · 计算机科学 2021-06-29 Zhenhua Liu , Yunhe Wang , Kai Han , Siwei Ma , Wen Gao

In recent advancements in high-fidelity image generation, Denoising Diffusion Probabilistic Models (DDPMs) have emerged as a key player. However, their application at high resolutions presents significant computational challenges. Current…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Jing Nathan Yan , Jiatao Gu , Alexander M. Rush

Visual Autoregressive (VAR) has emerged as a promising approach in image generation, offering competitive potential and performance comparable to diffusion-based models. However, current AR-based visual generation models require substantial…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Rui Xie , Tianchen Zhao , Zhihang Yuan , Rui Wan , Wenxi Gao , Zhenhua Zhu , Xuefei Ning , Yu Wang

Video understanding in multimodal language models remains limited by context length: models often miss key transition frames and struggle to maintain coherence across long time scales. To address this, we adapt Native Sparse Attention (NSA)…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Enxin Song , Wenhao Chai , Shusheng Yang , Ethan Armand , Xiaojun Shan , Haiyang Xu , Jianwen Xie , Zhuowen Tu

Continual learning enables large language models to adapt to evolving tasks without retraining from scratch, yet catastrophic forgetting remains a central obstacle. Among continual learning methods, regularization-based approaches are…

机器学习 · 计算机科学 2026-05-26 Mingxu Zhang , Yuhan Li , Lujundong Li , Dazhong Shen , Hui Xiong , Ying Sun

Deep neural networks (DNNs) are ubiquitous in computer vision and natural language processing, but suffer from high inference cost. This problem can be addressed by quantization, which consists in converting floating point perations into a…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Edouard Yvinec , Arnaud Dapogny , Kevin Bailly

While diffusion models have achieved remarkable progress in style transfer tasks, existing methods typically rely on fine-tuning or optimizing pre-trained models during inference, leading to high computational costs and challenges in…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Bo Huang , Wenlun Xu , Qizhuo Han , Haodong Jing , Ying Li

Diffusion-based super-resolution (SR) models have recently garnered significant attention due to their potent restoration capabilities. But conventional diffusion models perform noise sampling from a single distribution, constraining their…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Chengcheng Wang , Zhiwei Hao , Yehui Tang , Jianyuan Guo , Yujie Yang , Kai Han , Yunhe Wang

Continuous diffusion models have demonstrated remarkable performance in data generation across various domains, yet their efficiency remains constrained by two critical limitations: (1) the local adjacency structure of the forward Markov…

机器学习 · 统计学 2025-05-29 Xunpeng Huang , Yingyu Lin , Nikki Lijing Kuang , Hanze Dong , Difan Zou , Yian Ma , Tong Zhang

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

In recent years, the state-of-the-art in unsupervised video instance segmentation has heavily relied on synthetic video data, generated from object-centric image datasets such as ImageNet. However, video synthesis by artificially shifting…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Leon Sick , Lukas Hoyer , Dominik Engel , Pedro Hermosilla , Timo Ropinski

Deep neural networks have achieved state-of-the-art accuracies in a wide range of computer vision, speech recognition, and machine translation tasks. However the limits of memory bandwidth and computational power constrain the range of…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Mi Sun Park , Xiaofan Xu , Cormac Brick