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In this paper, we address the design of lightweight deep learning-based edge detection. The deep learning technology offers a significant improvement on the edge detection accuracy. However, typical neural network designs have very high…

计算机视觉与模式识别 · 计算机科学 2020-12-16 Jan Kristanto Wibisono , Hsueh-Ming Hang

Currently, transformer-based algorithms are making a splash in the domain of image deblurring. Their achievement depends on the self-attention mechanism with CNN stem to model long range dependencies between tokens. Unfortunately, this…

计算机视觉与模式识别 · 计算机科学 2025-01-16 Xingchi Chen , Xiuyi Jia , Zhuoran Zheng

Recent research showed that the dual-pixel sensor has made great progress in defocus map estimation and image defocus deblurring. However, extracting real-time dual-pixel views is troublesome and complex in algorithm deployment. Moreover,…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Jucai Zhai , Pengcheng Zeng , Chihao Ma , Yong Zhao , Jie Chen

We present a scheme for fast environment light estimation from the RGBD appearance of individual objects and their local image areas. Conventional inverse rendering is too computationally demanding for real-time applications, and the…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Xin Wei , Guojun Chen , Yue Dong , Stephen Lin , Xin Tong

The goal of dynamic scene deblurring is to remove the motion blur in a given image. Typical learning-based approaches implement their solutions by minimizing the L1 or L2 distance between the output and the reference sharp image. Recent…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Seungjun Nah , Sanghyun Son , Jaerin Lee , Kyoung Mu Lee

Camera gimbal systems are important in various air or water borne systems for applications such as navigation, target tracking, security and surveillance. A higher steering rate (rotation angle per second) of gimbal is preferable for…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Nisha Varghese , Mahesh Mohan M. R. , A. N. Rajagopalan

State-of-the-art video deblurring methods cannot handle blurry videos recorded in dynamic scenes, since they are built under a strong assumption that the captured scenes are static. Contrary to the existing methods, we propose a video…

计算机视觉与模式识别 · 计算机科学 2016-03-15 Tae Hyun Kim , Seungjun Nah , Kyoung Mu Lee

Significant progress has been made for estimating optical flow using deep neural networks. Advanced deep models achieve accurate flow estimation often with a considerable computation complexity and time-consuming training processes. In this…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Lingtong Kong , Jie Yang

This article presents a sliding window model for defocus deblurring, named Swintormer, which achieves the best performance to date with remarkably low memory usage. This method utilizes a diffusion model to generate latent prior features,…

计算机视觉与模式识别 · 计算机科学 2024-05-30 Kang Chen , Yuanjie Liu

Outdoor vision robotic systems and autonomous cars suffer from many image-quality issues, particularly haze, defocus blur, and motion blur, which we will define generically as "blindness issues". These blindness issues may seriously affect…

计算机视觉与模式识别 · 计算机科学 2019-11-05 Jiaxiong Qiu , Xinyuan Yu , Guoqiang Yang , Shuaicheng Liu

A Deep Belief Network (DBN) requires large, multiple hidden layers with high number of hidden units to learn good features from the raw pixels of large images. This implies more training time as well as computational complexity. By…

计算机视觉与模式识别 · 计算机科学 2015-11-20 Saurabh Sihag , Pranab Kumar Dutta

Blind image deblurring, i.e., deblurring without knowledge of the blur kernel, is a highly ill-posed problem. The problem can be solved in two parts: i) estimate a blur kernel from the blurry image, and ii) given estimated blur kernel,…

计算机视觉与模式识别 · 计算机科学 2018-12-26 Yuanchao Bai , Gene Cheung , Xianming Liu , Wen Gao

We develop a deep convolutional neural networks(CNNs) to deal with the blurry artifacts caused by the defocus of the camera using dual-pixel images. Specifically, we develop a double attention network which consists of attentional encoders,…

图像与视频处理 · 电气工程与系统科学 2021-04-19 Tu Vo

Blind image deblurring is a particularly challenging inverse problem where the blur kernel is unknown and must be estimated en route to recover the deblurred image. The problem is of strong practical relevance since many imaging devices…

计算机视觉与模式识别 · 计算机科学 2018-03-14 Mohammad Tofighi , Yuelong Li , Vishal Monga

Blind motion deblurring involves reconstructing a sharp image from an observation that is blurry. It is a problem that is ill-posed and lies in the categories of image restoration problems. The training data-based methods for image…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Harshil Jain , Rohit Patil , Indra Deep Mastan , Shanmuganathan Raman

In this work we explore the previously proposed approach of direct blind deconvolution and denoising with convolutional neural networks in a situation where the blur kernels are partially constrained. We focus on blurred images from a…

计算机视觉与模式识别 · 计算机科学 2016-02-26 Pavel Svoboda , Michal Hradis , Lukas Marsik , Pavel Zemcik

End-to-end performance estimation and measurement of deep neural network (DNN) systems become more important with increasing complexity of DNN systems consisting of hardware and software components. The methodology proposed in this paper…

Deep learning based on artificial neural networks is a powerful machine learning method that, in the last few years, has been successfully used to realize tasks, e.g., image classification, speech recognition, translation of languages,…

信息论 · 计算机科学 2019-06-18 Alessio Zappone , Marco Di Renzo , Mérouane Debbah , Thanh Tu Lam , Xuewen Qian

We propose a very fast and effective one-step restoring method for blurry face images. In the last decades, many blind deblurring algorithms have been proposed to restore latent sharp images. However, these algorithms run slowly because of…

计算机视觉与模式识别 · 计算机科学 2017-11-28 Lingxiao Wang , Yali Li , Shengjin Wang

Recently, image enhancement and restoration have become important applications on mobile devices, such as super-resolution and image deblurring. However, most state-of-the-art networks present extremely high computational complexity. This…