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Land cover maps generated from semantic segmentation of high-resolution remotely sensed images have drawn mucon in the photogrammetry and remote sensing research community. Currently, massive fine-resolution remotely sensed (FRRS) images…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Naftaly Wambugu , Ruisheng Wang , Bo Guo , Tianshu Yu , Sheng Xu , Mohammed Elhassan

Hyperspectral imaging can help better understand the characteristics of different materials, compared with traditional image systems. However, only high-resolution multispectral (HrMS) and low-resolution hyperspectral (LrHS) images can…

计算机视觉与模式识别 · 计算机科学 2019-01-11 Qi Xie , Minghao Zhou , Qian Zhao , Deyu Meng , Wangmeng Zuo , Zongben Xu

We introduce BokehDiff, a novel lens blur rendering method that achieves physically accurate and visually appealing outcomes, with the help of generative diffusion prior. Previous methods are bounded by the accuracy of depth estimation,…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Chengxuan Zhu , Qingnan Fan , Qi Zhang , Jinwei Chen , Huaqi Zhang , Chao Xu , Boxin Shi

Bokeh rendering simulates the shallow depth-of-field effect in photography, enhancing visual aesthetics and guiding viewer attention to regions of interest. Although recent approaches perform well, rendering controllable bokeh without…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Yachuan Huang , Xianrui Luo , Qiwen Wang , Liao Shen , Jiaqi Li , Huiqiang Sun , Zihao Huang , Wei Jiang , Zhiguo Cao

Embedding invisible hyperlinks or hidden codes in images to replace QR codes has become a hot topic recently. This technology requires first localizing the embedded region in the captured photos before decoding. Existing methods that train…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Chengxin Zhao , Hefei Ling , Sijing Xie , Nan Sun , Zongyi Li , Yuxuan Shi , Jiazhong Chen

Stack-based high dynamic range (HDR) imaging is a technique for achieving a larger dynamic range in an image by combining several low dynamic range images acquired at different exposures. Minimizing the set of images to combine, while…

计算机视觉与模式识别 · 计算机科学 2018-06-21 Peter van Beek

Bokeh is widely used in photography to draw attention to the subject while effectively isolating distractions in the background. Computational methods simulate bokeh effects without relying on a physical camera lens. However, in the realm…

图形学 · 计算机科学 2023-08-21 Yichen Sheng , Zixun Yu , Lu Ling , Zhiwen Cao , Cecilia Zhang , Xin Lu , Ke Xian , Haiting Lin , Bedrich Benes

Depth is a vital piece of information for autonomous vehicles to perceive obstacles. Due to the relatively low price and small size of monocular cameras, depth estimation from a single RGB image has attracted great interest in the research…

机器人学 · 计算机科学 2021-11-25 Xingshuai Dong , Matthew A. Garratt , Sreenatha G. Anavatti , Hussein A. Abbass

Focus stacking is widely used in micro, macro, and landscape photography to reconstruct all-in-focus images from multiple frames obtained with focus bracketing, that is, with shallow depth of field and different focus planes. Existing deep…

计算机视觉与模式识别 · 计算机科学 2023-11-30 Alexandre Araujo , Jean Ponce , Julien Mairal

State-of-the-art object detection models are frequently trained offline using available datasets, such as ImageNet: large and overly diverse data that are unbalanced and hard to cluster semantically. This kind of training drops the object…

计算机视觉与模式识别 · 计算机科学 2022-02-03 Anna Anikina , Oleg Y. Rogov , Dmitry V. Dylov

High dynamic range (HDR) imaging is an important task in image processing that aims to generate well-exposed images in scenes with varying illumination. Although existing multi-exposure fusion methods have achieved impressive results,…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Jun Xiao , Qian Ye , Tianshan Liu , Cong Zhang , Kin-Man Lam

Reconstruction of high-quality HDR images is at the core of modern computational photography. Significant progress has been made with multi-frame HDR reconstruction methods, producing high-resolution, rich and accurate color reconstructions…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Richard Shaw , Sibi Catley-Chandar , Ales Leonardis , Eduardo Perez-Pellitero

Object detection in challenging situations such as scale variation, occlusion, and truncation depends not only on feature details but also on contextual information. Most previous networks emphasize too much on detailed feature extraction…

计算机视觉与模式识别 · 计算机科学 2018-09-07 Wenchi Ma , Yuanwei Wu , Zongbo Wang , Guanghui Wang

Deep neural networks have demonstrated highly competitive performance in super-resolution (SR) for natural images by learning mappings from low-resolution (LR) to high-resolution (HR) images. However, hyperspectral super-resolution remains…

图像与视频处理 · 电气工程与系统科学 2025-05-02 Usman Muhammad , Jorma Laaksonen , Lyudmila Mihaylova

Current unified multimodal models for image generation and editing typically rely on massive parameter scales (e.g., >10B), entailing prohibitive training costs and deployment footprints. In this work, we present DeepGen 1.0, a lightweight…

Obtaining high-quality magnetic and velocity fields through Stokes inversion is crucial in solar physics. In this paper, we present a new deep learning method, named Stacked Deep Neural Networks (SDNN), for inferring line-of-sight (LOS)…

太阳与恒星天体物理 · 物理学 2022-11-09 Haodi Jiang , Qin Li , Yan Xu , Wynne Hsu , Kwangsu Ahn , Wenda Cao , Jason T. L. Wang , Haimin Wang

Mapping Low Dynamic Range (LDR) images with different exposures to High Dynamic Range (HDR) remains nontrivial and challenging on dynamic scenes due to ghosting caused by object motion or camera jitting. With the success of Deep Neural…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Qingsen Yan , Weiye Chen , Song Zhang , Yu Zhu , Jinqiu Sun , Yanning Zhang

The existing image steganography methods either sequentially conceal secret images or conceal a concatenation of multiple images. In such ways, the interference of information among multiple images will become increasingly severe when the…

多媒体 · 计算机科学 2023-09-19 Zihan Chen , Tianrui Liu , Jun-Jie Huang , Wentao Zhao , Xing Bi , Meng Wang

Bokeh effect is an optical phenomenon that offers a pleasant visual experience, typically generated by high-end cameras with wide aperture lenses. The task of bokeh effect transformation aims to produce a desired effect in one set of lenses…

计算机视觉与模式识别 · 计算机科学 2023-06-08 Zhihao Yang , Wenyi Lian , Siyuan Lai

Deep neural networks are applied to a wide range of problems in recent years. In this work, Convolutional Neural Network (CNN) is applied to the problem of determining the depth from a single camera image (monocular depth). Eight different…

计算机视觉与模式识别 · 计算机科学 2018-08-22 S. Bazrafkan , H. Javidnia , J. Lemley , P. Corcoran