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Variational autoencoders (VAEs) learn representations of data by jointly training a probabilistic encoder and decoder network. Typically these models encode all features of the data into a single variable. Here we are interested in learning…

We study the problem of learning to map, in an unsupervised way, between domains A and B, such that the samples b in B contain all the information that exists in samples a in A and some additional information. For example, ignoring…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Ori Press , Tomer Galanti , Sagie Benaim , Lior Wolf

Blind deconvolution and demixing is the problem of reconstructing convolved signals and kernels from the sum of their convolutions. This problem arises in many applications, such as blind MIMO. This work presents a separable approach to…

Signal Processing · Electrical Eng. & Systems 2021-04-21 Dana Weitzner , Raja Giryes

We present a new probabilistic model of compact commutative Lie groups that produces invariant-equivariant and disentangled representations of data. To define the notion of disentangling, we borrow a fundamental principle from physics that…

Machine Learning · Computer Science 2019-04-23 Taco Cohen , Max Welling

Conditional GANs are widely used in translating an image from one category to another. Meaningful conditions to GANs provide greater flexibility and control over the nature of the target domain synthetic data. Existing conditional GANs…

Computer Vision and Pattern Recognition · Computer Science 2020-09-09 Binod Bhattarai , Tae-Kyun Kim

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…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Lingyan Ruan , Bin Chen , Taehyun Rhee

Conditioning image generation facilitates seamless editing and the creation of photorealistic images. However, conditioning on noisy or Out-of-Distribution (OoD) images poses significant challenges, particularly in balancing fidelity to the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Bastien van Delft , Tommaso Martorella , Alexandre Alahi

Most existing CNN-based super-resolution (SR) methods are developed based on an assumption that the degradation is fixed and known (e.g., bicubic downsampling). However, these methods suffer a severe performance drop when the real…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Longguang Wang , Yingqian Wang , Xiaoyu Dong , Qingyu Xu , Jungang Yang , Wei An , Yulan Guo

Grammar-based sentence generation has been thoroughly explored for Context-Free Grammars (CFGs), but remains unsolved for recognition-based approaches such as Parsing Expression Grammars (PEGs). Lacking tool support, language designers…

Programming Languages · Computer Science 2018-02-01 Tony Garnock-Jones , Mahdi Eslamimehr , Alessandro Warth

Sparse Autoencoders (SAEs) are widely used to interpret neural networks by identifying meaningful concepts from their representations. However, do SAEs truly uncover all concepts a model relies on, or are they inherently biased toward…

Machine Learning · Computer Science 2025-12-03 Sai Sumedh R. Hindupur , Ekdeep Singh Lubana , Thomas Fel , Demba Ba

Adaptation of semantic segmentation networks to different visual conditions is vital for robust perception in autonomous cars and robots. However, previous work has shown that most feature-level adaptation methods, which employ adversarial…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Christos Sakaridis , David Bruggemann , Fisher Yu , Luc Van Gool

Spatial understanding of the semantics of the surroundings is a key capability needed by autonomous cars to enable safe driving decisions. Recently, purely vision-based solutions have gained increasing research interest. In particular,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-03 Christian Witte , Jens Behley , Cyrill Stachniss , Marvin Raaijmakers

Variational Convertor-Encoder (VCE) converts an image to various styles; we present this novel architecture for the problem of one-shot generalization and its transfer to new tasks not seen before without additional training. We also…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Chengshuai Li , Shuai Han , Jianping Xing

In this work, we propose to utilize a variational autoencoder (VAE) for channel estimation (CE) in underdetermined (UD) systems. The basis of the method forms a recently proposed concept in which a VAE is trained on channel state…

Signal Processing · Electrical Eng. & Systems 2024-03-29 Michael Baur , Nurettin Turan , Benedikt Fesl , Wolfgang Utschick

The paper presents a novel method, Zero-Reference Deep Curve Estimation (Zero-DCE), which formulates light enhancement as a task of image-specific curve estimation with a deep network. Our method trains a lightweight deep network, DCE-Net,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-24 Chunle Guo , Chongyi Li , Jichang Guo , Chen Change Loy , Junhui Hou , Sam Kwong , Runmin Cong

Although single-image super-resolution (SISR) methods have achieved great success on single degradation, they still suffer performance drop with multiple degrading effects in real scenarios. Recently, some blind and non-blind models for…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Guanghao Yin , Wei Wang , Zehuan Yuan , Wei Ji , Dongdong Yu , Shouqian Sun , Tat-Seng Chua , Changhu Wang

Images taken in a low light condition with the presence of camera shake suffer from motion blur and photon shot noise. While state-of-the-art image restoration networks show promising results, they are largely limited to well-illuminated…

Image and Video Processing · Electrical Eng. & Systems 2023-04-07 Yash Sanghvi , Zhiyuan Mao , Stanley H. Chan

This paper considers the blind deconvolution of multiple modulated signals, and an arbitrary filter. Multiple inputs $\boldsymbol{s}_1, \boldsymbol{s}_2, \ldots, \boldsymbol{s}_N =: [\boldsymbol{s}_n]$ are modulated (pointwise multiplied)…

Information Theory · Computer Science 2019-12-24 Ali Ahmed

Entanglement witnesses (EWs) are fundamental tools for detecting entanglement. However traditional linear witnesses often fail to identify most of the entangled states. In this work, we construct a family of nonlinear entanglement witnesses…

Quantum Physics · Physics 2025-12-05 AmirHossein Tangestaninejad , Vahid Karimipour

Recent advances in denoising diffusion probabilistic models have shown great success in image synthesis tasks. While there are already works exploring the potential of this powerful tool in image semantic segmentation, its application in…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Xinrong Hu , Yu-Jen Chen , Tsung-Yi Ho , Yiyu Shi