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We present the first framework capable of synthesizing the all-in-focus neural radiance field (NeRF) from inputs without manual refocusing. Without refocusing, the camera will automatically focus on the fixed object for all views, and…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Xianrui Luo , Zijin Wu , Juewen Peng , Huiqiang Sun , Zhiguo Cao , Guosheng Lin

Multi-focus image fusion (MFIF) addresses the depth-of-field (DOF) limitations of optical lenses, where only objects within a specific range appear sharp. Although traditional and deep learning methods have advanced the field, challenges…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Luca Piano , Peng Huanwen , Radu Ciprian Bilcu

Camera scene detection is among the most popular computer vision problem on smartphones. While many custom solutions were developed for this task by phone vendors, none of the designed models were available publicly up until now. To address…

In cinema, large camera lenses create beautiful shallow depth of field (DOF), but make focusing difficult and expensive. Accurate cinema focus usually relies on a script and a person to control focus in realtime. Casual videographers often…

计算机视觉与模式识别 · 计算机科学 2019-05-22 Xuaner Zhang , Kevin Matzen , Vivien Nguyen , Dillon Yao , You Zhang , Ren Ng

Smartphone cameras today are increasingly approaching the versatility and quality of professional cameras through a combination of hardware and software advancements. However, fixed aperture remains a key limitation, preventing users from…

计算机视觉与模式识别 · 计算机科学 2023-04-07 Hadi Alzayer , Abdullah Abuolaim , Leung Chun Chan , Yang Yang , Ying Chen Lou , Jia-Bin Huang , Abhishek Kar

Hundreds of millions of people routinely take photos using their smartphones as point and shoot (PAS) cameras, yet very few would have the photography skills to compose a good shot of a scene. While traditional PAS cameras have built-in…

计算机视觉与模式识别 · 计算机科学 2025-05-07 Jiawan Li , Fei Zhou , Zhipeng Zhong , Jiongzhi Lin , Guoping Qiu

The issue concerning the significant decline in the stability of feature extraction for images subjected to large-angle affine transformations, where the angle exceeds 50 degrees, still awaits a satisfactory solution. Even ASIFT, which is…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Tao Wang , Yinghui Wang , Yanxing Liang , Liangyi Huang , Jinlong Yang , Wei Li , Xiaojuan Ning

Recent advances in camera design and imaging technology have enabled the capture of high-quality images using smartphones. However, due to the limited dynamic range of digital cameras, the quality of photographs captured in environments…

图像与视频处理 · 电气工程与系统科学 2024-10-02 Lucas Nedel Kirsten , Zhicheng Fu , Nikhil Ambha Madhusudhana

Multi-modal image fusion (MMIF) integrates valuable information from different modality images into a fused one. However, the fusion of multiple visible images with different focal regions and infrared images is a unprecedented challenge in…

计算机视觉与模式识别 · 计算机科学 2024-02-01 Xilai Li , Xiaosong Li , Tao Ye , Xiaoqi Cheng , Wuyang Liu , Haishu Tan

Spatio-Temporal Image Fusion (STIF) methods usually require sets of images with matching spatial and spectral resolutions captured by different sensors. To facilitate the application of STIF methods, we propose and compare two different…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Harkaitz Goyena , Peter M. Atkinson , Unai Pérez-Goya , M. Dolores Ugarte

Multi-modality image fusion (MMIF) combines complementary information from different image modalities to provide a comprehensive and objective interpretation of scenes. However, existing fusion methods cannot resist different weather…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Xilai Li , Wuyang Liu , Xiaosong Li , Fuqiang Zhou , Huafeng Li , Feiping Nie

Multi-focus image fusion (MFIF) and super-resolution (SR) are the inverse problem of imaging model, purposes of MFIF and SR are obtaining all-in-focus and high-resolution 2D mapping of targets. Though various MFIF and SR methods have been…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Yuanjie Gu , Yinghan Guan , Zhibo Xiao , Haoran Dai , Cheng Liu , Shouyu Wang

Image feature matching is to seek, localize and identify the similarities across the images. The matched local features between different images can indicate the similarities of their content. Resilience of image feature matching to large…

计算机视觉与模式识别 · 计算机科学 2018-02-28 Biao Zhao , Shigang Yue

Multi-focus image fusion (MFIF) has attracted considerable interests due to its numerous applications. While much progress has been made in recent years with efforts on developing various MFIF algorithms, some issues significantly hinder…

计算机视觉与模式识别 · 计算机科学 2020-05-05 Xingchen Zhang

DSLR cameras can achieve multiple zoom levels via shifting lens distances or swapping lens types. However, these techniques are not possible on smartphone devices due to space constraints. Most smartphone manufacturers adopt a hybrid zoom…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Xiaotong Wu , Wei-Sheng Lai , YiChang Shih , Charles Herrmann , Michael Krainin , Deqing Sun , Chia-Kai Liang

Shallow depth-of-field is commonly used by photographers to isolate a subject from a distracting background. However, standard cell phone cameras cannot produce such images optically, as their short focal lengths and small apertures capture…

We introduce \textit{Preserve Anything}, a novel method for controlled image synthesis that addresses key limitations in object preservation and semantic consistency in text-to-image (T2I) generation. Existing approaches often fail (i) to…

计算机视觉与模式识别 · 计算机科学 2025-07-28 Prasen Kumar Sharma , Neeraj Matiyali , Siddharth Srivastava , Gaurav Sharma

This paper proposes a hybrid synthesis method for multi-exposure image fusion taken by hand-held cameras. Motions either due to the shaky camera or caused by dynamic scenes should be compensated before any content fusion. Any misalignment…

计算机视觉与模式识别 · 计算机科学 2023-04-11 Ru Li , Guanghui Liu , Bing Zeng , Shuaicheng Liu

High-dynamic-range (HDR) photography involves fusing a bracket of images taken at different exposure settings in order to compensate for the low dynamic range of digital cameras such as the ones used in smartphones. In this paper, a method…

计算机视觉与模式识别 · 计算机科学 2020-04-23 Reza Pourreza , Nasser Kehtarnavaz

Multi-Focus Image Fusion (MFIF) is a promising image enhancement technique to obtain all-in-focus images meeting visual needs and it is a precondition of other computer vision tasks. One of the research trends of MFIF is to avoid the…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Yicheng Wang , Shuang Xu , Junmin Liu , Zixiang Zhao , Chunxia Zhang , Jiangshe Zhang
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