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Related papers: Disparity Estimation Using a Quad-Pixel Sensor

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Disparity prediction from stereo images is essential to computer vision applications including autonomous driving, 3D model reconstruction, and object detection. To predict accurate disparity map, we propose a novel deep learning…

Computer Vision and Pattern Recognition · Computer Science 2019-05-01 Zhibo Rao , Mingyi He , Yuchao Dai , Zhidong Zhu , Bo Li , Renjie He

Sample-induced aberrations and optical imperfections limit the resolution of fluorescence microscopy. Phase diversity is a powerful technique that leverages complementary phase information in sequentially acquired images with deliberately…

Defocus Blur Detection(DBD) aims to separate in-focus and out-of-focus regions from a single image pixel-wisely. This task has been paid much attention since bokeh effects are widely used in digital cameras and smartphone photography.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Xiaodong Cun , Chi-Man Pun

Quickest change detection (QCD) is a fundamental problem in many applications. Given a sequence of measurements that exhibits two different distributions around a certain flipping point, the goal is to detect the change in distribution…

Information Theory · Computer Science 2020-01-23 Ahmed Badawy , Ahmed El Shafie , Tamer Khattab

We propose a hybrid method for stereo disparity estimation by combining block and region-based stereo matching approaches. It generates dense depth maps from disparity measurements of only 18 % image pixels (left or right). The methodology…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Subhayan Mukherjee , Ram Mohana Reddy Guddeti

Post-training quantization (PTQ) is a practical path to deploy large diffusion models, but quantization noise can accumulate over the denoising trajectory and degrade generation quality. We propose Q-Drift, a principled sampler-side…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Sooyoung Ryu , Mathieu Salzmann , Saqib Javed

Wireless Multimedia Sensor Network (WMSN) is a promising technology capturing rich multimedia data like audio and video, which can be useful to monitor an environment under surveillance. However, many scenarios in real time monitoring…

Computer Vision and Pattern Recognition · Computer Science 2017-06-27 Anthony Tannoury , Rony Darazi , Christophe Guyeux , Abdallah Makhoul

Being a crucial task of autonomous driving, Stereo matching has made great progress in recent years. Existing stereo matching methods estimate disparity instead of depth. They treat the disparity errors as the evaluation metric of the depth…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Hong Zhang , Haojie Li , Shenglun Chen , Tiantian Yan , Zhihui Wang , Guo Lu , Wanli Ouyang

Depth cameras have found applications in diverse fields, such as computer vision, artificial intelligence, and video gaming. However, the high latency and low frame rate of existing commodity depth cameras impose limitations on their…

Computer Vision and Pattern Recognition · Computer Science 2023-05-25 Peyman Gholami , Robert Xiao

As deep learning (DL) is being rapidly pushed to edge computing, researchers invented various ways to make inference computation more efficient on mobile/IoT devices, such as network pruning, parameter compression, and etc. Quantization, as…

Computer Vision and Pattern Recognition · Computer Science 2019-03-13 Tao Sheng , Chen Feng , Shaojie Zhuo , Xiaopeng Zhang , Liang Shen , Mickey Aleksic

Quantum Neuromorphic Computing (QNC) merges quantum computation with neural computation to create scalable, noise-resilient algorithms for quantum machine learning (QML). At the core of QNC is the quantum perceptron (QP), which leverages…

Transformers have been successful in many vision tasks, thanks to their capability of capturing long-range dependency. However, their quadratic computational complexity poses a major obstacle for applying them to vision tasks requiring…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Shitao Tang , Jiahui Zhang , Siyu Zhu , Ping Tan

Existing deep calibrated photometric stereo networks basically aggregate observations under different lights based on the pre-defined operations such as linear projection and max pooling. While they are effective with the dense capture,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Satoshi Ikehata

We propose and experimentally demonstrate a near-optimal discrimination scheme for the quadrature phase shift keying protocol (QPSK). We show in theory that the performance of our hybrid scheme is superior to the standard scheme -…

Stereo matching plays an indispensable part in autonomous driving, robotics and 3D scene reconstruction. We propose a novel deep learning architecture, which called CFP-Net, a Cross-Form Pyramid stereo matching network for regressing…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Zhidong Zhu , Mingyi He , Yuchao Dai , Zhibo Rao , Bo Li

Defocus blur arises in images that are captured with a shallow depth of field due to the use of a wide aperture. Correcting defocus blur is challenging because the blur is spatially varying and difficult to estimate. We propose an effective…

Image and Video Processing · Electrical Eng. & Systems 2020-07-20 Abdullah Abuolaim , Michael S. Brown

Due to the domain differences and unbalanced disparity distribution across multiple datasets, current stereo matching approaches are commonly limited to a specific dataset and generalize poorly to others. Such domain shift issue is usually…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Zhelun Shen , Xibin Song , Yuchao Dai , Dingfu Zhou , Zhibo Rao , Liangjun Zhang

In this paper, we have proposed a novel method for stereo disparity estimation by combining the existing methods of block based and region based stereo matching. Our method can generate dense disparity maps from disparity measurements of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Subhayan Mukherjee , Ram Mohana Reddy Guddeti

Deep neural networks (DNNs) have achieved great success in the area of computer vision. The disparity estimation problem tends to be addressed by DNNs which achieve much better prediction accuracy in stereo matching than traditional…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Qiang Wang , Shaohuai Shi , Shizhen Zheng , Kaiyong Zhao , Xiaowen Chu

Disparity estimation is a difficult problem in stereo vision because the correspondence technique fails in images with textureless and repetitive regions. Recent body of work using deep convolutional neural networks (CNN) overcomes this…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Rowel Atienza