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Seismic images obtained by stacking or migration are usually characterized as low signal-to-noise ratio (SNR), low dominant frequency and sparse sampling both in depth (or time) and offset dimensions. For improving the resolution of seismic…

Geophysics · Physics 2024-08-06 Shiqi Dong , Xintong Dong , Kaiyuan Zheng , Ming Cheng , Tie Zhong , Hongzhou Wang

Current HDR acquisition techniques are based on either (i) fusing multibracketed, low dynamic range (LDR) images, (ii) modifying existing hardware and capturing different exposures simultaneously with multiple sensors, or (iii)…

Computer Vision and Pattern Recognition · Computer Science 2018-06-14 Ana Serrano , Felix Heide , Diego Gutierrez , Gordon Wetzstein , Belen Masia

The Resolution of feature maps is critical for medical image segmentation. Most of the existing Transformer-based networks for medical image segmentation are U-Net-like architecture that contains an encoder that utilizes a sequence of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Chen Wei , Shenghan Ren , Kaitai Guo , Haihong Hu , Jimin Liang

Convolutional neural networks (CNNs) have been the consensus for medical image segmentation tasks. However, they suffer from the limitation in modeling long-range dependencies and spatial correlations due to the nature of convolution…

Computer Vision and Pattern Recognition · Computer Science 2023-01-10 Moein Heidari , Amirhossein Kazerouni , Milad Soltany , Reza Azad , Ehsan Khodapanah Aghdam , Julien Cohen-Adad , Dorit Merhof

Image correction aims to adjust an input image into a visually pleasing one. Existing approaches are proposed mainly from the perspective of image pixel manipulation. They are not effective to recover the details in the under/over exposed…

Computer Vision and Pattern Recognition · Computer Science 2018-04-13 Xin Yang , Ke Xu , Yibing Song , Qiang Zhang , Xiaopeng Wei , Rynson Lau

Capturing scenes with a high dynamic range is crucial to reproducing images that appear similar to those seen by the human visual system. Despite progress in developing data-driven deep learning approaches for converting low dynamic range…

Image and Video Processing · Electrical Eng. & Systems 2021-03-24 Edwin Pan , Anthony Vento

Accurately segmenting roads is challenging due to substantial intra-class variations, indistinct inter-class distinctions, and occlusions caused by shadows, trees, and buildings. To address these challenges, attention to important texture…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Tao Chen , Yiran Liu , Haoyu Jiang , Ruirui Li

Generating a high-quality High Dynamic Range (HDR) image from dynamic scenes has recently been extensively studied by exploiting Deep Neural Networks (DNNs). Most DNNs-based methods require a large amount of training data with ground truth,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-17 Qingsen Yan , Song Zhang , Weiye Chen , Hao Tang , Yu Zhu , Jinqiu Sun , Luc Van Gool , Yanning Zhang

Learning powerful feature representations for image retrieval has always been a challenging task in the field of remote sensing. Traditional methods focus on extracting low-level hand-crafted features which are not only time-consuming but…

Computer Vision and Pattern Recognition · Computer Science 2017-05-22 Weixun Zhou , Shawn Newsam , Congmin Li , Zhenfeng Shao

In-line digital holography (DIH) is a widely used lensless imaging technique, valued for its simplicity and capability to image samples at high throughput. However, capturing only intensity of the interference pattern during the recording…

Image and Video Processing · Electrical Eng. & Systems 2026-03-06 Gökhan Koçmarlı , G. Bora Esmer

Most consumer-grade digital cameras can only capture a limited range of luminance in real-world scenes due to sensor constraints. Besides, noise and quantization errors are often introduced in the imaging process. In order to obtain high…

Image and Video Processing · Electrical Eng. & Systems 2021-06-22 Xiangyu Chen , Yihao Liu , Zhengwen Zhang , Yu Qiao , Chao Dong

Ultrasound imaging is crucial for evaluating organ morphology and function, yet depth adjustment can degrade image quality and field-of-view, presenting a depth-dependent dilemma. Traditional interpolation-based zoom-in techniques often…

Image and Video Processing · Electrical Eng. & Systems 2024-03-27 Jintong Hu , Hui Che , Zishuo Li , Wenming Yang

In winter scenes, the degradation of images taken under snow can be pretty complex, where the spatial distribution of snowy degradation is varied from image to image. Recent methods adopt deep neural networks to directly recover clean…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Tian Ye , Sixiang Chen , Yun Liu , Yi Ye , Erkang Chen

In this paper, we propose a novel deep neural network model that reconstructs a high dynamic range (HDR) image from a single low dynamic range (LDR) image. The proposed model is based on a convolutional neural network composed of dilated…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Siyeong Lee , Gwon Hwan An , Suk-Ju Kang

Recently, high dynamic range (HDR) image reconstruction based on the multiple exposure stack from a given single exposure utilizes a deep learning framework to generate high-quality HDR images. These conventional networks focus on the…

Image and Video Processing · Electrical Eng. & Systems 2020-12-21 Jung Hee Kim , Siyeong Lee , Suk-Ju Kang

The paper proposes a method to effectively fuse multi-exposure inputs and generate high-quality high dynamic range (HDR) images with unpaired datasets. Deep learning-based HDR image generation methods rely heavily on paired datasets. The…

Image and Video Processing · Electrical Eng. & Systems 2022-07-18 Ru Li , Chuan Wang , Jue Wang , Guanghui Liu , Heng-Yu Zhang , Bing Zeng , Shuaicheng Liu

Intrinsic image decomposition is the process of separating the reflectance and shading layers of an image, which is a challenging and underdetermined problem. In this paper, we propose to systematically address this problem using a deep…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Sai Bi , Nima Khademi Kalantari , Ravi Ramamoorthi

Camera sensors can only capture a limited range of luminance simultaneously, and in order to create high dynamic range (HDR) images a set of different exposures are typically combined. In this paper we address the problem of predicting…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Gabriel Eilertsen , Joel Kronander , Gyorgy Denes , Rafał K. Mantiuk , Jonas Unger

In this paper, we present an attention-guided deformable convolutional network for hand-held multi-frame high dynamic range (HDR) imaging, namely ADNet. This problem comprises two intractable challenges of how to handle saturation and noise…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Zhen Liu , Wenjie Lin , Xinpeng Li , Qing Rao , Ting Jiang , Mingyan Han , Haoqiang Fan , Jian Sun , Shuaicheng Liu

Radiance of real-world scenes typically spans a much wider dynamic range than what standard cameras can capture. While conventional HDR methods merge alternating-exposure frames, these approaches are inherently constrained to 2D pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Shin Dong-Yeon , Kim Jun-Seong , Kwon Byung-Ki , Tae-Hyun Oh