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相关论文: Defocus Blur Detection via Depth Distillation

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Discrete diffusion models excel at visual synthesis but rely on slow, iterative decoding. Existing single-step distillation methods attempt to bypass this bottleneck, either by training auxiliary score networks that effectively double…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Chaoyang Wang , Yunhai Tong

Depth estimation is crucial for intelligent systems, enabling applications from autonomous navigation to augmented reality. While traditional stereo and active depth sensors have limitations in cost, power, and robustness, dual-pixel (DP)…

计算机视觉与模式识别 · 计算机科学 2025-08-04 Kunal Swami , Debtanu Gupta , Amrit Kumar Muduli , Chirag Jaiswal , Pankaj Kumar Bajpai

Image inpainting methods have shown significant improvements by using deep neural networks recently. However, many of these techniques often create distorted structures or blurry textures inconsistent with surrounding areas. The problem is…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Maitreya Suin , Kuldeep Purohit , A. N. Rajagopalan

We propose a learning-based depth from focus/defocus (DFF), which takes a focal stack as input for estimating scene depth. Defocus blur is a useful cue for depth estimation. However, the size of the blur depends on not only scene depth but…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Yuki Fujimura , Masaaki Iiyama , Takuya Funatomi , Yasuhiro Mukaigawa

With the exponential increase in image data, training an image restoration model is laborious. Dataset distillation is a potential solution to this problem, yet current distillation techniques are a blank canvas in the field of image…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Zhuoran Zheng , Xin Su , Chen Wu , Xiuyi Jia

Existing unsupervised keypoint detection methods apply artificial deformations to images such as masking a significant portion of images and using reconstruction of original image as a learning objective to detect keypoints. However, this…

计算机视觉与模式识别 · 计算机科学 2025-08-14 Aman Anand , Elyas Rashno , Amir Eskandari , Farhana Zulkernine

Extracting depth information from photon-limited, defocused images is challenging because depth from defocus (DfD) relies on accurate estimation of defocus blur, which is fundamentally sensitive to image noise. We present a novel approach…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Wei Xu , Charles James Wagner , Junjie Luo , Qi Guo

Depth information is the foundation of perception, essential for autonomous driving, robotics, and other source-constrained applications. Promptly obtaining accurate and efficient depth information allows for a rapid response in dynamic…

计算机视觉与模式识别 · 计算机科学 2022-10-26 Xin Zhang , Rabab Abdelfattah , Yuqi Song , Samuel A. Dauchert , Xiaofeng wang

Visual Saliency is the capability of vision system to select distinctive parts of scene and reduce the amount of visual data that need to be processed. The presentpaper introduces (1) a novel approach to detect salient regions by…

计算机视觉与模式识别 · 计算机科学 2016-07-12 Sikha O K , Sachin Kumar S , K P Soman

We address the challenging problem of learning motion representations using deep models for video recognition. To this end, we make use of attention modules that learn to highlight regions in the video and aggregate features for…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Miao Liu , Xin Chen , Yun Zhang , Yin Li , James M. Rehg

We estimate scene depth from a single defocus-blurred image using the dark channel as a complementary cue, leveraging its ability to capture local statistics and scene structure. Traditional depth-from-defocus (DFD) methods use multiple…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Moushumi Medhi , Rajiv Ranjan Sahay

We aim to generate high resolution shallow depth-of-field (DoF) images from a single all-in-focus image with controllable focal distance and aperture size. To achieve this, we propose a novel neural network model comprised of a depth…

计算机视觉与模式识别 · 计算机科学 2018-10-19 Lijun Wang , Xiaohui Shen , Jianming Zhang , Oliver Wang , Zhe Lin , Chih-Yao Hsieh , Sarah Kong , Huchuan Lu

In many real-world scenarios, recorded videos suffer from accidental focus blur, and while video deblurring methods exist, most specifically target motion blur or spatial-invariant blur. This paper introduces a framework optimized for the…

计算机视觉与模式识别 · 计算机科学 2025-07-10 Crispian Morris , Nantheera Anantrasirichai , Fan Zhang , David Bull

Reproducing an all-in-focus image from an image with defocus regions is of practical value in many applications, eg, digital photography, and robotics. Using the output of some existing defocus map estimator, existing approaches first…

计算机视觉与模式识别 · 计算机科学 2018-08-29 Guodong Xu , Chaoqiang Liu , Hui Ji

Depth estimation is a fundamental task in 3D geometry. While stereo depth estimation can be achieved through triangulation methods, it is not as straightforward for monocular methods, which require the integration of global and local…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jinchang Zhang , Ningning Xu , Hao Zhang , Guoyu Lu

Deploying high-performing 3D medical image segmenters (e.g., nnU-Net) is often limited by memory footprint and inference latency. Compression is therefore necessary, but compact 3D encoders tend to lose fine structural cues (small lesions…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Mengchen Fan , Baocheng Geng , Xi Xiao , Tianyang Wang , Siyuan Mei , Pulin Che , Xiaoqian Jiang , Qizhen Lan

Manipulating transparent objects presents significant challenges due to the complexities introduced by their reflection and refraction properties, which considerably hinder the accurate estimation of their 3D shapes. To address these…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Haoxiao Wang , Kaichen Zhou , Binrui Gu , Zhiyuan Feng , Weijie Wang , Peilin Sun , Yicheng Xiao , Jianhua Zhang , Hao Dong

Monocular depth estimation is challenging due to its inherent ambiguity and ill-posed nature, yet it is quite important to many applications. While recent works achieve limited accuracy by designing increasingly complicated networks to…

计算机视觉与模式识别 · 计算机科学 2023-09-27 Zizhang Wu , Zhuozheng Li , Zhi-Gang Fan , Yunzhe Wu , Xiaoquan Wang , Rui Tang , Jian Pu

Depth information is useful in many image processing applications. However, since taking a picture is a process of projection of a 3D scene onto a 2D imaging sensor, the depth information is embedded in the image. Extracting the depth…

图像与视频处理 · 电气工程与系统科学 2021-12-15 Fernando J. Galetto , Guang Deng

Estimating depth from a single RGB images is a fundamental task in computer vision, which is most directly solved using supervised deep learning. In the field of unsupervised learning of depth from a single RGB image, depth is not given…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Shir Gur , Lior Wolf