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Human perception is structured around objects which form the basis for our higher-level cognition and impressive systematic generalization abilities. Yet most work on representation learning focuses on feature learning without even…

The quality of life of many people could be improved by autonomous humanoid robots in the home. To function in the human world, a humanoid household robot must be able to locate itself and perceive the environment like a human; scene…

Computer Vision and Pattern Recognition · Computer Science 2013-01-24 Cheng Zhang , Hedvig Kjellstrom

In the field of object classification, identification based on object variations is a challenge in itself. Variations include shape, size, color, and texture, these can cause problems in recognizing and distinguishing objects accurately.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Florentina Tatrin Kurniati , Daniel HF Manongga , Eko Sediyono , Sri Yulianto Joko Prasetyo , Roy Rudolf Huizen

This paper presents an illumination estimation method for virtual objects in real environment by learning. While previous works tackled this problem by reconstructing high dynamic range (HDR) environment maps or the corresponding spherical…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Di Xu , Zhen Li , Yanning Zhang , Qi Cao

We propose a novel unsupervised backlit image enhancement method, abbreviated as CLIP-LIT, by exploring the potential of Contrastive Language-Image Pre-Training (CLIP) for pixel-level image enhancement. We show that the open-world CLIP…

Computer Vision and Pattern Recognition · Computer Science 2023-10-02 Zhexin Liang , Chongyi Li , Shangchen Zhou , Ruicheng Feng , Chen Change Loy

Most scenes are illuminated by several light sources, where the traditional assumption of uniform illumination is invalid. This issue is ignored in most color constancy methods, primarily due to the complex spatial impact of multiple light…

Computer Vision and Pattern Recognition · Computer Science 2024-02-06 Umut Cem Entok , Firas Laakom , Farhad Pakdaman , Moncef Gabbouj

Collections of images under a single, uncontrolled illumination have enabled the rapid advancement of core computer vision tasks like classification, detection, and segmentation. But even with modern learning techniques, many inverse…

Computer Vision and Pattern Recognition · Computer Science 2019-10-21 Lukas Murmann , Michael Gharbi , Miika Aittala , Fredo Durand

As an essential prerequisite task in image-based plant phenotyping, leaf segmentation has garnered increasing attention in recent years. While self-supervised learning is emerging as an effective alternative to various computer vision…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Xufeng Lin , Chang-Tsun Li , Scott Adams , Abbas Kouzani , Richard Jiang , Ligang He , Yongjian Hu , Michael Vernon , Egan Doeven , Lawrence Webb , Todd Mcclellan , Adam Guskic

Fourier ptychographic microscopy enables gigapixel-scale imaging, with both large field-of-view and high resolution. Using a set of low-resolution images that are recorded under varying illumination angles, the goal is to computationally…

Signal Processing · Electrical Eng. & Systems 2018-03-13 Emrah Bostan , Mahdi Soltanolkotabi , David Ren , Laura Waller

Active learning for object detection is conventionally achieved by applying techniques developed for classification in a way that aggregates individual detections into image-level selection criteria. This is typically coupled with the…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Michael Laielli , Giscard Biamby , Dian Chen , Ritwik Gupta , Adam Loeffler , Phat Dat Nguyen , Ross Luo , Trevor Darrell , Sayna Ebrahimi

We introduce ROGR, a novel approach that reconstructs a relightable 3D model of an object captured from multiple views, driven by a generative relighting model that simulates the effects of placing the object under novel environment…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Jiapeng Tang , Matthew Levine , Dor Verbin , Stephan J. Garbin , Matthias Nießner , Ricardo Martin Brualla , Pratul P. Srinivasan , Philipp Henzler

Faithful manipulation of shape, material, and illumination in 2D Internet images would greatly benefit from a reliable factorization of appearance into material (i.e., diffuse and specular) and illumination (i.e., environment maps). On the…

Graphics · Computer Science 2017-11-15 Tuanfeng Y. Wang , Tobias Ritschel , Niloy J. Mitra

We introduce a learning framework called learning using privileged information (LUPI) to the computer vision field. We focus on the prototypical computer vision problem of teaching computers to recognize objects in images. We want the…

Computer Vision and Pattern Recognition · Computer Science 2014-10-03 Viktoriia Sharmanska , Novi Quadrianto , Christoph H. Lampert

Autonomous detection and classification of objects are admired area of research in many industrial applications. Though, humans can distinguish objects with high multi-granular similarities very easily; but for the machines, it is a very…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Mohit Dandekar , Narinder Singh Punn , Sanjay Kumar Sonbhadra , Sonali Agarwal

We present an unsupervised approach for factorizing object appearance into highlight, shading, and albedo layers, trained by multi-view real images. To do so, we construct a multi-view dataset by collecting numerous customer product photos…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Renjiao Yi , Ping Tan , Stephen Lin

In previous work, it was shown that a camera can theoretically be made more colorimetric - its RGBs become more linearly related to XYZ tristimuli - by placing a specially designed color filter in the optical path. While the prior art…

Image and Video Processing · Electrical Eng. & Systems 2022-01-28 Yuteng Zhu , Graham D. Finlayson

The efficient certification of nonclassical effects of light forms the basis for applications in optical quantum technologies. We derive general correlation conditions for the verification of nonclassical light based on multiplexed…

Quantum Physics · Physics 2020-01-15 Martin Bohmann , Luo Qi , Werner Vogel , Maria Chekhova

Learning with complete or partial supervision is powerful but relies on ever-growing human annotation efforts. As a way to mitigate this serious problem, as well as to serve specific applications, unsupervised learning has emerged as an…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Huy V. Vo , Francis Bach , Minsu Cho , Kai Han , Yann LeCun , Patrick Perez , Jean Ponce

Training an accurate object detector is expensive and time-consuming. One main reason lies in the laborious labeling process, i.e., annotating category and bounding box information for all instances in every image. In this paper, we examine…

Computer Vision and Pattern Recognition · Computer Science 2021-01-19 Qing Tian , Sampath Chanda , K C Amit Kumar , Douglas Gray

MultiGrain is a network architecture producing compact vector representations that are suited both for image classification and particular object retrieval. It builds on a standard classification trunk. The top of the network produces an…

Computer Vision and Pattern Recognition · Computer Science 2019-04-04 Maxim Berman , Hervé Jégou , Andrea Vedaldi , Iasonas Kokkinos , Matthijs Douze