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Related papers: Learned Perceptual Image Enhancement

200 papers

In recent years, learned image compression (LIC) technologies have surpassed conventional methods notably in terms of rate-distortion (RD) performance. Most present learned techniques are VAE-based with an autoregressive entropy model,…

Image and Video Processing · Electrical Eng. & Systems 2024-10-08 Minghao Han , Shiyin Jiang , Shengxi Li , Xin Deng , Mai Xu , Ce Zhu , Shuhang Gu

Using only global image-class labels, weakly-supervised learning methods, such as class activation mapping, allow training CNNs to jointly classify an image, and locate regions of interest associated with the predicted class. However,…

Image and Video Processing · Electrical Eng. & Systems 2022-05-06 Soufiane Belharbi , Marco Pedersoli , Ismail Ben Ayed , Luke McCaffrey , Eric Granger

Decreased visibility, intensive noise, and biased color are the common problems existing in low-light images. These visual disturbances further reduce the performance of high-level vision tasks, such as object detection, and tracking. To…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Hao Chen , Zhi Jin

We train a deep Convolutional Neural Network (CNN) from scratch for visual aesthetic analysis in images and discuss techniques we adopt to improve the accuracy. We avoid the prevalent best transfer learning approaches of using pretrained…

Computer Vision and Pattern Recognition · Computer Science 2018-02-01 Muktabh Mayank Srivastava , Sonaal Kant

No-reference (NR) image quality assessment (IQA) is an important tool in enhancing the user experience in diverse visual applications. A major drawback of state-of-the-art NR-IQA techniques is their reliance on a large number of human…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Suhas Srinath , Shankhanil Mitra , Shika Rao , Rajiv Soundararajan

In this paper, we introduce deep learning technology to tackle two traditional low-level image processing problems, companding and inverse halftoning. We make two main contributions. First, to the best knowledge of the authors, this is the…

Computer Vision and Pattern Recognition · Computer Science 2017-07-24 Xianxu Hou , Guoping Qiu

We describe an image compression method, consisting of a nonlinear analysis transformation, a uniform quantizer, and a nonlinear synthesis transformation. The transforms are constructed in three successive stages of convolutional linear…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Johannes Ballé , Valero Laparra , Eero P. Simoncelli

Low-light conditions have an adverse impact on machine cognition, limiting the performance of computer vision systems in real life. Since low-light data is limited and difficult to annotate, we focus on image processing to enhance low-light…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Igor Morawski , Kai He , Shusil Dangi , Winston H. Hsu

Convolutional Neural Networks (CNNs) have achieved superior performance on object image retrieval, while Bag-of-Words (BoW) models with handcrafted local features still dominate the retrieval of overlapping images in 3D reconstruction. In…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Tianwei Shen , Zixin Luo , Lei Zhou , Runze Zhang , Siyu Zhu , Tian Fang , Long Quan

Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

Robotics · Computer Science 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

Existing reference (RF)-based super-resolution (SR) models try to improve perceptual quality in SR under the assumption of the availability of high-resolution RF images paired with low-resolution (LR) inputs at testing. As the RF images…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Mohammad Saeed Rad , Thomas Yu , Behzad Bozorgtabar , Jean-Philippe Thiran

In this paper, we consider a type of image quality assessment as a task-specific measurement, which can be used to select images that are more amenable to a given target task, such as image classification or segmentation. We propose to…

In this paper we address the memory demands that come with the processing of 3-dimensional, high-resolution, multi-channeled medical images in deep learning. We exploit memory-efficient backpropagation techniques, to reduce the memory…

Computer Vision and Pattern Recognition · Computer Science 2018-08-17 Stefano B. Blumberg , Ryutaro Tanno , Iasonas Kokkinos , Daniel C. Alexander

Image restoration, which aims to recover high-quality images from their corrupted counterparts, often faces the challenge of being an ill-posed problem that allows multiple solutions for a single input. However, most deep learning based…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Wenyi Lian , Wenjing Lian , Ziwei Luo

Transformer-based large language models exhibit in-context learning, enabling adaptation to downstream tasks via few-shot prompting with demonstrations. In practice, such models are often fine-tuned to improve zero-shot performance on…

Computation and Language · Computer Science 2026-02-27 Chungpa Lee , Jy-yong Sohn , Kangwook Lee

Despite a rapid rise in the quality of built-in smartphone cameras, their physical limitations - small sensor size, compact lenses and the lack of specific hardware, - impede them to achieve the quality results of DSLR cameras. In this work…

Computer Vision and Pattern Recognition · Computer Science 2017-09-07 Andrey Ignatov , Nikolay Kobyshev , Radu Timofte , Kenneth Vanhoey , Luc Van Gool

Much of the recent progress made in image classification research can be credited to training procedure refinements, such as changes in data augmentations and optimization methods. In the literature, however, most refinements are either…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Tong He , Zhi Zhang , Hang Zhang , Zhongyue Zhang , Junyuan Xie , Mu Li

It has long been considered a significant problem to improve the visual quality of lossy image and video compression. Recent advances in computing power together with the availability of large training data sets has increased interest in…

Multimedia · Computer Science 2017-03-30 Aaditya Prakash , Nick Moran , Solomon Garber , Antonella DiLillo , James Storer

Accurate prediction of local distortion visibility thresholds is critical in many image and video processing applications. Existing methods require an accurate modeling of the human visual system, and are derived through pshycophysical…

Multimedia · Computer Science 2018-03-13 Navaneeth Kamballur Kottayil , Giuseppe Valenzise , Frederic Dufaux , Irene Cheng

Is it possible to recover an image from its noisy version using convolutional neural networks? This is an interesting problem as convolutional layers are generally used as feature detectors for tasks like classification, segmentation and…

Computer Vision and Pattern Recognition · Computer Science 2017-08-02 Nithish Divakar , R. Venkatesh Babu
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