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Our goal is to extract meaningful transformations from raw images, such as varying the thickness of lines in handwriting or the lighting in a portrait. We propose an unsupervised approach to learn such transformations by attempting to…

Machine Learning · Statistics 2017-11-08 Tatsunori B. Hashimoto , John C. Duchi , Percy Liang

Many high-level skills that are required for computer vision tasks, such as parsing questions, comparing and contrasting semantics, and writing descriptions, are also required in other domains such as natural language processing. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Sophia Gu , Christopher Clark , Aniruddha Kembhavi

A fundamental problem faced by object recognition systems is that objects and their features can appear in different locations, scales and orientations. Current deep learning methods attempt to achieve invariance to local translations via…

Computer Vision and Pattern Recognition · Computer Science 2017-12-12 Dimitrios C. Gklezakos , Rajesh P. N. Rao

With a good image understanding capability, can we manipulate the images high level semantic representation? Such transformation operation can be used to generate or retrieve similar images but with a desired modification (for example…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Nam Vo , Lu Jiang , James Hays

Data transformations (e.g. rotations, reflections, and cropping) play an important role in self-supervised learning. Typically, images are transformed into different views, and neural networks trained on tasks involving these views produce…

Machine Learning · Computer Science 2022-02-04 Chen Qiu , Timo Pfrommer , Marius Kloft , Stephan Mandt , Maja Rudolph

We introduce a novel self-supervised learning approach to learn representations of videos that are responsive to changes in the motion dynamics. Our representations can be learned from data without human annotation and provide a substantial…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Simon Jenni , Givi Meishvili , Paolo Favaro

The concept of sparsity has been extensively applied for regularization in image reconstruction. Typically, sparsifying transforms are either pre-trained on ground-truth images or adaptively trained during the reconstruction. Thereby,…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Andreas Kofler , Christian Wald , Tobias Schaeffter , Markus Haltmeier , Christoph Kolbitsch

Learning image transformations is essential to the idea of mental simulation as a method of cognitive inference. We take a connectionist modeling approach, using planar neural networks to learn fundamental imagery transformations, like…

Machine Learning · Computer Science 2020-08-11 Joel Michelson , Joshua H. Palmer , Aneesha Dasari , Maithilee Kunda

CLIP proved that aligning visual and language spaces is key to solving many vision tasks without explicit training, but required to train image and text encoders from scratch on a huge dataset. LiT improved this by only training the text…

Machine Learning · Computer Science 2023-11-13 Antonio Norelli , Marco Fumero , Valentino Maiorca , Luca Moschella , Emanuele Rodolà , Francesco Locatello

Humans develop certain cognitive abilities to recognize objects and their transformations without explicit supervision, highlighting the importance of unsupervised representation learning. A fundamental challenge in unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Kayato Nishitsunoi , Yoshiyuki Ohmura , Takayuki Komatsu , Yasuo Kuniyoshi

Employing deep neural networks as natural image priors to solve inverse problems either requires large amounts of data to sufficiently train expressive generative models or can succeed with no data via untrained neural networks. However,…

Machine Learning · Computer Science 2019-10-25 Oscar Leong , Wesam Sakla

The rapid progress in machine learning methods has been empowered by i) huge datasets that have been collected and annotated, ii) improved engineering (e.g. data pre-processing/normalization). The existing datasets typically include several…

Computer Vision and Pattern Recognition · Computer Science 2018-01-23 Grigorios G. Chrysos , Yannis Panagakis , Stefanos Zafeiriou

We explore whether pre-training on datasets with paintings is necessary for a model to learn an artistic style with only a few examples. To investigate this, we train a text-to-image model exclusively on photographs, without access to any…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Hui Ren , Joanna Materzynska , Rohit Gandikota , David Bau , Antonio Torralba

We introduce a novel method for representation learning that uses an artificial supervision signal based on counting visual primitives. This supervision signal is obtained from an equivariance relation, which does not require any manual…

Computer Vision and Pattern Recognition · Computer Science 2017-08-23 Mehdi Noroozi , Hamed Pirsiavash , Paolo Favaro

Image translation with convolutional neural networks has recently been used as an approach to multimodal change detection. Existing approaches train the networks by exploiting supervised information of the change areas, which, however, is…

Learning to transfer visual attributes requires supervision dataset. Corresponding images with varying attribute values with the same identity are required for learning the transfer function. This largely limits their applications, because…

Computer Vision and Pattern Recognition · Computer Science 2017-08-01 Taeksoo Kim , Byoungjip Kim , Moonsu Cha , Jiwon Kim

Data preparation, i.e. the process of transforming raw data into a format that can be used for training effective machine learning models, is a tedious and time-consuming task. For image data, preprocessing typically involves a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Tran Ngoc Minh , Mathieu Sinn , Hoang Thanh Lam , Martin Wistuba

Learning is traditionally studied in biological or computational systems. The power of learning frameworks in solving hard inverse-problems provides an appealing case for the development of `physical learning' in which physical systems…

Disordered Systems and Neural Networks · Physics 2023-03-29 Menachem Stern , Arvind Murugan

Performance is a critical challenge in mobile image processing. Given a reference imaging pipeline, or even human-adjusted pairs of images, we seek to reproduce the enhancements and enable real-time evaluation. For this, we introduce a new…

Graphics · Computer Science 2017-08-24 Michaël Gharbi , Jiawen Chen , Jonathan T. Barron , Samuel W. Hasinoff , Frédo Durand

Recent single image unsupervised representation learning techniques show remarkable success on a variety of tasks. The basic principle in these works is instance discrimination: learning to differentiate between two augmented versions of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Daniel Gordon , Kiana Ehsani , Dieter Fox , Ali Farhadi
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