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Consistent and natural camera lens blur is important for seamlessly blending 3D virtual objects into photographed real-scenes. Since lens blur typically varies with scene depth, the placement of virtual objects and their corresponding blur…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Lingyan Ruan , Bin Chen , Taehyun Rhee

Digital zoom on smartphones relies on learning-based super-resolution (SR) models that operate on RAW sensor images, but obtaining sensor-specific training data is challenging due to the lack of ground-truth images. Synthetic data…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Ali Mosleh , Faraz Ali , Fengjia Zhang , Stavros Tsogkas , Junyong Lee , Alex Levinshtein , Michael S. Brown

The latest advancements in neural image compression show great potential in surpassing the rate-distortion performance of conventional standard codecs. Nevertheless, there exists an indelible domain gap between the datasets utilized for…

图像与视频处理 · 电气工程与系统科学 2023-08-16 Yue Lv , Jinxi Xiang , Jun Zhang , Wenming Yang , Xiao Han , Wei Yang

Accurate and efficient wave-optics simulation of partially coherent light transport systems is critical for the design of advanced optical systems, ranging from computational lithography to diffraction-limited storage rings (DLSR). However,…

光学 · 物理学 2026-01-23 Han Xu , Ming Li , Shuo Wang , Zhe Ren , Peng Liu , Yi Zhang , Yuhui Dong , Liang Zhou

The problem of Domain Adaptive in the field of Object Detection involves the transfer of object detection models from labeled source domains to unannotated target domains. Recent advancements in this field aim to address domain…

计算机视觉与模式识别 · 计算机科学 2024-11-13 Mu Wang

Most deep learning models are data-driven and the excellent performance is highly dependent on the abundant and diverse datasets. However, it is very hard to obtain and label the datasets of some specific scenes or applications. If we train…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Tianxiao Zhang , Wenchi Ma , Guanghui Wang

Recent developments in the unsupervised domain adaptation (UDA) enable the unsupervised machine learning (ML) prediction for target data, thus this will accelerate real world applications with ML models such as image recognition tasks in…

机器学习 · 计算机科学 2025-02-18 Hisashi Oshima , Tsuyoshi Ishizone , Tomoyuki Higuchi

This paper addresses the color image completion problem in accordance with low-rank quatenrion matrix optimization that is characterized by sparse regularization in a transformed domain. This research was inspired by an appreciation of the…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Liqiao Yang , Yang Liu , Kit Ian Kou

Autonomous Driving (AD) systems exhibit markedly degraded performance under adverse environmental conditions, such as low illumination and precipitation. The underrepresentation of adverse conditions in AD datasets makes it challenging to…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Yoel Shapiro , Yahia Showgan , Koustav Mullick

Emerging universal Computational Aberration Correction (CAC) paradigms provide an inspiring solution to light-weight and high-quality imaging with a universal model trained on a lens library (LensLib) to address arbitrary lens optical…

Deep neural networks have largely failed to effectively utilize synthetic data when applied to real images due to the covariate shift problem. In this paper, we show that by applying a straightforward modification to an existing…

计算机视觉与模式识别 · 计算机科学 2018-07-26 Aysegul Dundar , Ming-Yu Liu , Ting-Chun Wang , John Zedlewski , Jan Kautz

Synthetic Aperture Radar (SAR) plays a vital role in remote sensing due to its ability to capture high-resolution images regardless of weather conditions or daylight. However, to transform the raw SAR signals into interpretable imagery,…

量子物理 · 物理学 2026-05-07 Khalil Al Salahat , Mohamad El Moussawi , Ali J. Ghandour

Analog-to-digital converters (ADCs) allow physical signals to be processed using digital hardware. Their conversion consists of two stages: Sampling, which maps a continuous-time signal into discrete-time, and quantization, i.e.,…

信号处理 · 电气工程与系统科学 2023-01-25 Nir Shlezinger , Ariel Amar , Ben Luijten , Ruud J. G. van Sloun , Yonina C. Eldar

Image segmentation is a powerful computer vision technique for scene understanding. However, real-world deployment is stymied by the need for high-quality, meticulously labeled datasets. Synthetic data provides high-quality labels while…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Edward Humes , Xiaomin Lin , Boxun Hu , Rithvik Jonna , Tinoosh Mohsenin

The problem of blind image super-resolution aims to recover high-resolution (HR) images from low-resolution (LR) images with unknown degradation modes. Most existing methods model the image degradation process using blur kernels. However,…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Junxiong Lin , Zeng Tao , Xuan Tong , Xinji Mai , Haoran Wang , Boyang Wang , Yan Wang , Qing Zhao , Jiawen Yu , Yuxuan Lin , Shaoqi Yan , Shuyong Gao , Wenqiang Zhang

Using synthetic data for training neural networks that achieve good performance on real-world data is an important task as it can reduce the need for costly data annotation. Yet, synthetic and real world data have a domain gap. Reducing…

计算机视觉与模式识别 · 计算机科学 2022-08-12 Shahaf Ettedgui , Shady Abu-Hussein , Raja Giryes

Aiming towards human-level generalization, there is a need to explore adaptable representation learning methods with greater transferability. Most existing approaches independently address task-transferability and cross-domain adaptation,…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Jogendra Nath Kundu , Nishank Lakkakula , R. Venkatesh Babu

Real-world visual systems face time-varying perturbations, including weather, sensor noise, compression artifacts, and background distractions. Existing image restoration methods are typically designed for fixed corruption types and…

机器人学 · 计算机科学 2026-05-11 Zhengru Fang , Yu Guo , Fei Liu , Yuang Zhang , Yihang Tao , Senkang Hu , Wenbo Ding , Yuguang Fang

Cross-modal contrastive distillation has recently been explored for learning effective 3D representations. However, existing methods focus primarily on modality-shared features, neglecting the modality-specific features during the…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Yifan Zhang , Junhui Hou

In this work, we aim to learn an unpaired image enhancement model, which can enrich low-quality images with the characteristics of high-quality images provided by users. We propose a quality attention generative adversarial network (QAGAN)…

图像与视频处理 · 电气工程与系统科学 2021-01-01 Zhangkai Ni , Wenhan Yang , Shiqi Wang , Lin Ma , Sam Kwong