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Many flagship smartphone cameras now use a dedicated neural image signal processor (ISP) to render noisy raw sensor images to the final processed output. Training nightmode ISP networks relies on large-scale datasets of image pairs with:…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Abhijith Punnappurath , Abdullah Abuolaim , Abdelrahman Abdelhamed , Alex Levinshtein , Michael S. Brown

Although deep salient object detection (SOD) has achieved remarkable progress, deep SOD models are extremely data-hungry, requiring large-scale pixel-wise annotations to deliver such promising results. In this paper, we propose a novel yet…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Zhenyu Wu , Lin Wang , Wei Wang , Tengfei Shi , Chenglizhao Chen , Aimin Hao , Shuo Li

Recent years have witnessed a growing academic and industrial interest in deep learning (DL) for medical imaging. To perform well, DL models require very large labeled datasets. However, most medical imaging datasets are small, with a…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Minh H. Vu , Lorenzo Tronchin , Tufve Nyholm , Tommy Löfstedt

Existing methods for enhancing dark images captured in a very low-light environment assume that the intensity level of the optimal output image is known and already included in the training set. However, this assumption often does not hold,…

图像与视频处理 · 电气工程与系统科学 2023-04-05 Evgeny Hershkovitch Neiterman , Michael Klyuchka , Gil Ben-Artzi

Offline reinforcement learning (RL) offers a promising framework for training agents using pre-collected datasets without the need for further environment interaction. However, policies trained on offline data often struggle to generalise…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Ahmet H. Güzel , Ilija Bogunovic , Jack Parker-Holder

We present a method to improve the visual realism of low-quality, synthetic images, e.g. OpenGL renderings. Training an unpaired synthetic-to-real translation network in image space is severely under-constrained and produces visible…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Sai Bi , Kalyan Sunkavalli , Federico Perazzi , Eli Shechtman , Vladimir Kim , Ravi Ramamoorthi

In the deep learning era, long video generation of high-quality still remains challenging due to the spatio-temporal complexity and continuity of videos. Existing prior works have attempted to model video distribution by representing videos…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Sihyun Yu , Jihoon Tack , Sangwoo Mo , Hyunsu Kim , Junho Kim , Jung-Woo Ha , Jinwoo Shin

Building facial analysis systems that generalize to extreme variations in lighting and facial expressions is a challenging problem that can potentially be alleviated using natural-looking synthetic data. Towards that, we propose LEGAN, a…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Sandipan Banerjee , Ajjen Joshi , Prashant Mahajan , Sneha Bhattacharya , Survi Kyal , Taniya Mishra

Leveraging synthetically rendered data offers great potential to improve monocular depth estimation and other geometric estimation tasks, but closing the synthetic-real domain gap is a non-trivial and important task. While much recent work…

计算机视觉与模式识别 · 计算机科学 2020-06-26 Yunhan Zhao , Shu Kong , Daeyun Shin , Charless Fowlkes

Human vision is often adversely affected by complex environmental factors, especially in night vision scenarios. Thus, infrared cameras are often leveraged to help enhance the visual effects via detecting infrared radiation in the…

计算机视觉与模式识别 · 计算机科学 2021-08-05 Shuang Li , Bingfeng Han , Zhenjie Yu , Chi Harold Liu , Kai Chen , Shuigen Wang

Light field cameras have many advantages over traditional cameras, as they allow the user to change various camera settings after capture. However, capturing light fields requires a huge bandwidth to record the data: a modern light field…

计算机视觉与模式识别 · 计算机科学 2017-05-09 Ting-Chun Wang , Jun-Yan Zhu , Nima Khademi Kalantari , Alexei A. Efros , Ravi Ramamoorthi

Object detection is the key technique to a number of Computer Vision applications, but it often requires large amounts of annotated data to achieve decent results. Moreover, for pedestrian detection specifically, the collected data might…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Daria Reshetova , Guanhang Wu , Marcel Puyat , Chunhui Gu , Huizhong Chen

Synthetic data is an increasingly popular tool for training deep learning models, especially in computer vision but also in other areas. In this work, we attempt to provide a comprehensive survey of the various directions in the development…

机器学习 · 计算机科学 2019-09-26 Sergey I. Nikolenko

Smartphone cameras have become ubiquitous imaging tools, yet their small sensors and compact optics often limit spatial resolution and introduce distortions. Combining information from multiple low-resolution (LR) frames to produce a…

计算机视觉与模式识别 · 计算机科学 2025-05-02 Fadeel Sher Khan , Joshua Ebenezer , Hamid Sheikh , Seok-Jun Lee

Video relighting is a challenging yet valuable task, aiming to replace the background in videos while correspondingly adjusting the lighting in the foreground with harmonious blending. During translation, it is essential to preserve the…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Jianshu Zeng , Yuxuan Liu , Yutong Feng , Chenxuan Miao , Zixiang Gao , Jiwang Qu , Jianzhang Zhang , Bin Wang , Kun Yuan

Commercially available light field cameras have difficulty in capturing 5D (4D + time) light field videos. They can only capture still light filed images or are excessively expensive for normal users to capture the light field video. To…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Kyuho Bae , Andre Ivan , Hajime Nagahara , In Kyu Park

In this paper, we introduce LDGen, a novel method for integrating large language models (LLMs) into existing text-to-image diffusion models while minimizing computational demands. Traditional text encoders, such as CLIP and T5, exhibit…

计算机视觉与模式识别 · 计算机科学 2025-02-26 Pengzhi Li , Pengfei Yu , Zide Liu , Wei He , Xuhao Pan , Xudong Rao , Tao Wei , Wei Chen

Ultrasound video classification enables automated diagnosis and has emerged as an important research area. However, publicly available ultrasound video datasets remain scarce, hindering progress in developing effective video classification…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Tingxiu Chen , Yilei Shi , Zixuan Zheng , Bingcong Yan , Jingliang Hu , Xiao Xiang Zhu , Lichao Mou

While developing perception based deep learning models, the benefit of synthetic data is enormous. However, performance of networks trained with synthetic data for certain computer vision tasks degrade significantly when tested on real…

计算机视觉与模式识别 · 计算机科学 2023-02-09 Koustav Mullick , Harshil Jain , Sanchit Gupta , Amit Arvind Kale

The goal of weakly-supervised video moment retrieval is to localize the video segment most relevant to the given natural language query without access to temporal annotations during training. Prior strongly- and weakly-supervised approaches…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Reuben Tan , Huijuan Xu , Kate Saenko , Bryan A. Plummer