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Multi-frame methods improve monocular depth estimation over single-frame approaches by aggregating spatial-temporal information via feature matching. However, the spatial-temporal feature leads to accuracy degradation in dynamic scenes. To…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Jiquan Zhong , Xiaolin Huang , Xiao Yu

While today's high dynamic range (HDR) image fusion algorithms are capable of blending multiple exposures, the acquisition is often controlled so that the dynamic range within one exposure is narrow. For HDR imaging in photon-limited…

Image and Video Processing · Electrical Eng. & Systems 2023-04-18 Yiheng Chi , Xingguang Zhang , Stanley H. Chan

The performance of single image super-resolution has achieved significant improvement by utilizing deep convolutional neural networks (CNNs). The features in deep CNN contain different types of information which make different contributions…

Computer Vision and Pattern Recognition · Computer Science 2018-10-01 Yanting Hu , Jie Li , Yuanfei Huang , Xinbo Gao

In this paper, a novel inverse tone mapping method using a convolutional neural network (CNN) with LDR based learning is proposed. In conventional inverse tone mapping with CNNs, generated HDR images cannot have absolute luminance, although…

Image and Video Processing · Electrical Eng. & Systems 2019-03-05 Yuma Kinoshita , Hitoshi Kiya

High Dynamic Range (HDR) content (i.e., images and videos) has a broad range of applications. However, capturing HDR content from real-world scenes is expensive and time-consuming. Therefore, the challenging task of reconstructing visually…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Hrishav Bakul Barua , Kalin Stefanov , KokSheik Wong , Abhinav Dhall , Ganesh Krishnasamy

Capturing images with enough details to solve imaging tasks is a long-standing challenge in imaging, particularly due to the limitations of standard dynamic range (SDR) images which often lose details in underexposed or overexposed regions.…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Jingchao Peng , Thomas Bashford-Rogers , Francesco Banterle , Haitao Zhao , Kurt Debattista

Dual camera systems have assisted in the proliferation of various applications, such as optical zoom, low-light imaging and High Dynamic Range (HDR) imaging. In this work, we explore an optimal method for capturing the scene HDR and…

Image and Video Processing · Electrical Eng. & Systems 2020-03-13 Pradyumna Chari , Anil Kumar Vadathya , Kaushik Mitra

Pre-trained Latent Diffusion Models (LDMs) have recently shown strong perceptual priors for low-level vision tasks, making them a promising direction for multi-exposure High Dynamic Range (HDR) reconstruction. However, directly applying…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Tao Hu , Weiyu Zhou , Yanjie Tu , Peng Wu , Wei Dong , Qingsen Yan , Yanning Zhang

Deep learning methods, in particular, trained Convolutional Neural Networks (CNN) have recently been shown to produce compelling results for single image Super-Resolution (SR). Invariably, a CNN is learned to map the Low Resolution (LR)…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Tiantong Guo , Hojjat S. Mousavi , Vishal Monga

This paper proposes a novel learning based high-dynamic-range (HDR) reconstruction method using a polarization camera. We utilize a previous observation that polarization filters with different orientations can attenuate natural light…

Image and Video Processing · Electrical Eng. & Systems 2022-03-29 Juiwen Ting , Moein Shakeri , Hong Zhang

High Dynamic Range (HDR) user-generated (UGC) videos are rapidly proliferating across social platforms, yet most perceptual video quality assessment (VQA) systems remain tailored to Standard Dynamic Range (SDR). HDR has a higher bit depth,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Shreshth Saini , Bowen Chen , Neil Birkbeck , Yilin Wang , Balu Adsumilli , Alan C. Bovik

Long Document Classification (LDC) has gained significant attention recently. However, multi-modal data in long documents such as texts and images are not being effectively utilized. Prior studies in this area have attempted to integrate…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Tengfei Liu , Yongli Hu , Junbin Gao , Yanfeng Sun , Baocai Yin

Radio frequency (RF) signals have been proved to be flexible for human silhouette segmentation (HSS) under complex environments. Existing studies are mainly based on a one-shot approach, which lacks a coherent projection ability from the RF…

Computer Vision and Pattern Recognition · Computer Science 2024-10-04 Penghui Wen , Kun Hu , Dong Yuan , Zhiyuan Ning , Changyang Li , Zhiyong Wang

Local rate control is a key enabler to generalize image and video compression for dedicated challenges, such as video coding for machines. While traditional hybrid video coding can easily adapt the local rate-distortion trade-off by…

Image and Video Processing · Electrical Eng. & Systems 2026-01-21 Marc Windsheimer , Simon Deniffel , André Kaup

Reconstruction of High Dynamic Range (HDR) from Low Dynamic Range (LDR) images is an important computer vision task. There is a significant amount of research utilizing both conventional non-learning methods and modern data-driven…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Hrishav Bakul Barua , Kalin Stefanov , Lemuel Lai En Che , Abhinav Dhall , KokSheik Wong , Ganesh Krishnasamy

Discriminative Correlation Filters (DCF) are efficient in visual tracking but suffer from unwanted boundary effects. Spatially Regularized DCF (SRDCF) has been suggested to resolve this issue by enforcing spatial penalty on DCF…

Computer Vision and Pattern Recognition · Computer Science 2018-03-26 Feng Li , Cheng Tian , Wangmeng Zuo , Lei Zhang , Ming-Hsuan Yang

Recently, various deep-neural-network (DNN)-based approaches have been proposed for single-image super-resolution (SISR). Despite their promising results on major structure regions such as edges and lines, they still suffer from limited…

Computer Vision and Pattern Recognition · Computer Science 2016-12-02 Il Jun Ahn , Woo Hyun Nam

Homography estimation is an important step in many computer vision problems. Recently, deep neural network methods have shown to be favorable for this problem when compared to traditional methods. However, these new methods do not consider…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Hoang Le , Feng Liu , Shu Zhang , Aseem Agarwala

Tone mapping is a commonly used technique that maps the set of colors in high-dynamic-range (HDR) images to another set of colors in low-dynamic-range (LDR) images, to fit the need for print-outs, LCD monitors and projectors. Unfortunately,…

Computer Vision and Pattern Recognition · Computer Science 2018-09-18 Zhuming Zhang , Xinghong Hu , Xueting Liu , Tien-Tsin Wong

The low dynamic range (LDR) of common cameras fails to capture the rich contrast in natural scenes, resulting in loss of color and details in saturated pixels. Reconstructing the high dynamic range (HDR) of luminance present in the scene…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sebastian Dille , Chris Careaga , Yağız Aksoy