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2D face analysis techniques, such as face landmarking, face recognition and face verification, are reasonably dependent on illumination conditions which are usually uncontrolled and unpredictable in the real world. An illumination robust…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Wuming Zhang , Xi Zhao , Jean-Marie Morvan , Liming Chen

When using cut-and-paste to acquire a composite image, the geometry inconsistency between foreground and background may severely harm its fidelity. To address the geometry inconsistency in composite images, several existing works learned to…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Bo Zhang , Yue Liu , Kaixin Lu , Li Niu , Liqing Zhang

Understanding shadows from a single image spontaneously derives into two types of task in previous studies, containing shadow detection and shadow removal. In this paper, we present a multi-task perspective, which is not embraced by any…

计算机视觉与模式识别 · 计算机科学 2017-12-08 Jifeng Wang , Xiang Li , Le Hui , Jian Yang

Segmenting primary objects in a video is an important yet challenging problem in computer vision, as it exhibits various levels of foreground/background ambiguities. To reduce such ambiguities, we propose a novel formulation via exploiting…

计算机视觉与模式识别 · 计算机科学 2018-11-26 Jia Li , Junjie Wu , Anlin Zheng , Yafei Song , Yu Zhang , Xiaowu Chen

We introduce a novel approach to counter adversarial attacks, namely, image resampling. Image resampling transforms a discrete image into a new one, simulating the process of scene recapturing or rerendering as specified by a geometrical…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Yue Cao , Tianlin Li , Xiaofeng Cao , Ivor Tsang , Yang Liu , Qing Guo

In ill-posed imaging inverse problems, there can exist many hypotheses that fit both the observed measurements and prior knowledge of the true image. Rather than returning just one hypothesis of that image, posterior samplers aim to explore…

图像与视频处理 · 电气工程与系统科学 2024-11-04 Matthew C. Bendel , Rizwan Ahmad , Philip Schniter

Extracting accurate foreground objects from a scene is an essential step for many video applications. Traditional background subtraction algorithms can generate coarse estimates, but generating high quality masks requires professional…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Xiran Wang , Jason Juang , Stanley H. Chan

Casually-taken portrait photographs often suffer from unflattering lighting and shadowing because of suboptimal conditions in the environment. Aesthetic qualities such as the position and softness of shadows and the lighting ratio between…

计算机视觉与模式识别 · 计算机科学 2020-05-21 Xuaner Cecilia Zhang , Jonathan T. Barron , Yun-Ta Tsai , Rohit Pandey , Xiuming Zhang , Ren Ng , David E. Jacobs

Image captioning is a significant field across computer vision and natural language processing. We propose and present AIC-AB NET, a novel Attribute-Information-Combined Attention-Based Network that combines spatial attention architecture…

计算机视觉与模式识别 · 计算机科学 2023-07-17 Guoyun Tu , Ying Liu , Vladimir Vlassov

We propose DeRenderNet, a deep neural network to decompose the albedo and latent lighting, and render shape-(in)dependent shadings, given a single image of an outdoor urban scene, trained in a self-supervised manner. To achieve this goal,…

计算机视觉与模式识别 · 计算机科学 2021-04-29 Yongjie Zhu , Jiajun Tang , Si Li , Boxin Shi

Synthesizing high-quality realistic images from text descriptions is a challenging task. Existing text-to-image Generative Adversarial Networks generally employ a stacked architecture as the backbone yet still remain three flaws. First, the…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Ming Tao , Hao Tang , Fei Wu , Xiao-Yuan Jing , Bing-Kun Bao , Changsheng Xu

We present Deep Illumination, a novel machine learning technique for approximating global illumination (GI) in real-time applications using a Conditional Generative Adversarial Network. Our primary focus is on generating indirect…

图形学 · 计算机科学 2018-05-24 Manu Mathew Thomas , Angus G. Forbes

We introduce the "adversarial code learning" (ACL) module that improves overall image generation performance to several types of deep models. Instead of performing a posterior distribution modeling in the pixel spaces of generators, ACLs…

计算机视觉与模式识别 · 计算机科学 2020-02-03 Jiangbo Yuan , Bing Wu , Wanying Ding , Qing Ping , Zhendong Yu

Adverse conditions like snow, rain, nighttime, and fog, pose challenges for autonomous driving perception systems. Existing methods have limited effectiveness in improving essential computer vision tasks, such as semantic segmentation, and…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Chenghao Qian , Mahdi Rezaei , Saeed Anwar , Wenjing Li , Tanveer Hussain , Mohsen Azarmi , Wei Wang

An end-to-end trainable ConvNet architecture, that learns to harness the power of shape representation for matching disparate image pairs, is proposed. Disparate image pairs are deemed those that exhibit strong affine variations in scale,…

计算机视觉与模式识别 · 计算机科学 2018-11-27 Shefali Srivastava , Abhimanyu Chopra , Arun CS Kumar , Suchendra M. Bhandarkar , Deepak Sharma

An adversary can fool deep neural network object detectors by generating adversarial noises. Most of the existing works focus on learning local visible noises in an adversarial "patch" fashion. However, the 2D patch attached to a 3D object…

计算机视觉与模式识别 · 计算机科学 2022-05-17 Yexin Duan , Jialin Chen , Xingyu Zhou , Junhua Zou , Zhengyun He , Jin Zhang , Wu Zhang , Zhisong Pan

Infrared and visible image fusion (IVIF) is used to generate fusion images with comprehensive features of both images, which is beneficial for downstream vision tasks. However, current methods rarely consider the illumination condition in…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Qiao Yang , Yu Zhang , Zijing Zhao , Jian Zhang , Shunli Zhang

Fine-grained text to image synthesis involves generating images from texts that belong to different categories. In contrast to general text to image synthesis, in fine-grained synthesis there is high similarity between images of different…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Xu Ouyang , Ying Chen , Kaiyue Zhu , Gady Agam

In natural image matting, the goal is to estimate the opacity of the foreground object in the image. This opacity controls the way the foreground and background is blended in transparent regions. In recent years, advances in deep learning…

计算机视觉与模式识别 · 计算机科学 2021-03-26 Sebastian Lutz , Aljosa Smolic

Taking pictures through glass windows almost always produces undesired reflections that degrade the quality of the photo. The ill-posed nature of the reflection removal problem reached the attention of many researchers for more than…

图像与视频处理 · 电气工程与系统科学 2021-05-12 Andreea Birhala , Ionut Mironica