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Quantitative phase imaging (QPI) enables visualization and quantitative extraction of the optical phase information of transparent samples. However, conventional QPI techniques typically rely on multi-frame acquisition or complex…

光学 · 物理学 2025-12-02 Xiangjiang Bao , Zheng-da Hu , Lucas Kreiss , Josh Lerner , Roarke Horstmeyer

In recent research, Learned Image Compression has gained prominence for its capacity to outperform traditional handcrafted pipelines, especially at low bit-rates. While existing methods incorporate convolutional priors with occasional…

图像与视频处理 · 电气工程与系统科学 2023-10-18 Natacha Luka , Romain Negrel , David Picard

Quantitative phase imaging (QPI) is a label-free technique that provides optical path length information for transparent specimens, finding utility in biology, materials science, and engineering. Here, we present quantitative phase imaging…

Segment Anything Model (SAM) exhibits remarkable zero-shot segmentation capability; however, its prohibitive computational costs make edge deployment challenging. Although post-training quantization (PTQ) offers a promising compression…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Jing Zhang , Zhikai Li , Chengzhi Hu , Xuewen Liu , Qingyi Gu

Detection of rare lesions in whole-body CT is fundamentally limited by extreme class imbalance and low target-to-volume ratios, producing precision collapse despite high AUROC. Synthetic augmentation with diffusion models offers promise,…

图像与视频处理 · 电气工程与系统科学 2026-03-02 Yifan Li , Mehrdad Salimitari , Taiyu Zhang , Guang Li , David Dreizin

Deep learning-based super-resolution (SR) methods often perform pixel-wise computations uniformly across entire images, even in homogeneous regions where high-resolution refinement is redundant. We propose the Quadtree Diffusion Model…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Donglin Yang , Paul Vicol , Xiaojuan Qi , Renjie Liao , Xiaofan Zhang

We introduce a comprehensive framework for the detection and demodulation of covert electromagnetic signals using solid-state spin sensors. Our approach, named RAPID, is a two-stage hybrid strategy that leverages nitrogen-vacancy (NV)…

量子物理 · 物理学 2025-09-11 Amirhossein Taherpour , Abbas Taherpour , Tamer Khattab

In this work, we develop and analyze adaptive feedback control strategies to stabilize and confine a nanoparticle at the unstable intensity minimum of an optical double-well potential. The resulting stochastic optimal control problem for a…

We introduce QDsim, a python package tailored for the rapid generation of charge stability diagrams in large-scale quantum dot devices, extending beyond traditional double or triple dots. QDsim is founded on the constant interaction model…

介观与纳米尺度物理 · 物理学 2025-01-29 Valentina Gualtieri , Charles Renshaw-Whitman , Vinicius Hernandes , Eliska Greplova

Superconducting qubits are among the most promising candidates for building quantum information processors. Yet, they are often limited by slow and error-prone qubit readout -- a critical factor in achieving high-fidelity operations. While…

量子物理 · 物理学 2025-09-22 Xiaorang Guo , Tigran Bunarjyan , Dai Liu , Benjamin Lienhard , Martin Schulz

Diffusion models have recently achieved great success in the synthesis of high-quality images and videos. However, the existing denoising techniques in diffusion models are commonly based on step-by-step noise predictions, which suffers…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Hancheng Ye , Jiakang Yuan , Renqiu Xia , Xiangchao Yan , Tao Chen , Junchi Yan , Botian Shi , Bo Zhang

We present a practical algorithm for partially relaxing multiwell energy densities such as pertain to materials undergoing martensitic phase transitions. The algorithm is based on sequential lamination, but the evolution of the…

材料科学 · 物理学 2015-06-24 S. Aubry , M. Fago , M. Ortiz

Current image compression models often require separate models for each quality level, making them resource-intensive in terms of both training and storage. To address these limitations, we propose an innovative approach that utilizes…

图像与视频处理 · 电气工程与系统科学 2025-09-30 Ayman A. Ameen , Thomas Richter , André Kaup

The practical deployment of diffusion models is still hindered by the high memory and computational overhead. Although quantization paves a way for model compression and acceleration, existing methods face challenges in achieving low-bit…

计算机视觉与模式识别 · 计算机科学 2025-07-16 Haoxuan Wang , Yuzhang Shang , Zhihang Yuan , Junyi Wu , Junchi Yan , Yan Yan

Magnetic reconnection preferentially takes place at the intersection of two separatrices or two quasi-separatrix layers, which can be quantified by the squashing factor Q, whose calculation is computationally expensive due to the need to…

太阳与恒星天体物理 · 物理学 2022-09-28 Peijin Zhang , Jun Chen , Rui Liu , Chuanbing Wang

Quasicrystals and their periodic approximants are complex phases, which have by now been observed in many metallic alloys, soft matter systems, and particle simulations. In recent experiments of thin-film perovskites on solid substrates,…

软凝聚态物质 · 物理学 2024-08-07 Nydia Roxana Varela-Rosales , Michael Engel

Medical image segmentation is a cornerstone of computer-assisted diagnosis and treatment planning. While recent multimodal vision-language models have shown promise in enhancing semantic understanding through textual descriptions, their…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Saivan Talaei , Fatemeh Daneshfar , Abdulhady Abas Abdullah , Mustaqeem Khan

Recent advances in Artificial Intelligence Generated Content (AIGC) have garnered significant interest, accompanied by an increasing need to transmit and compress the vast number of AI-generated images (AIGIs). However, there is a…

图像与视频处理 · 电气工程与系统科学 2024-12-18 Ruijie Chen , Qi Mao , Zhengxue Cheng

We introduce new parallel algorithms for efficiently simulating stabilizer (Clifford) circuits on GPUs, with a focus on data-parallel tableau evolution and scalable handling of projective measurements. Our approach reformulates key…

量子物理 · 物理学 2026-03-17 Muhammad Osama , Dimitrios Thanos , Alfons Laarman

This paper presents Qffusion, a dual-frame-guided framework for portrait video editing. Specifically, we consider a design principle of ``animation for editing'', and train Qffusion as a general animation framework from two still reference…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Maomao Li , Lijian Lin , Yunfei Liu , Ye Zhu , Yu Li