471 Hits in 4.5 sec

Improved Parallax Image Stitching Algorithm Based on Feature Block

Huaitao Shi, Lei Guo, Shuai Tan, Gang Li, Jie Sun
2019 Symmetry  
In this paper, we present an improved parallax image-stitching algorithm using feature blocks (PIFB), which achieves a more accurate alignment and faster calculation speed.  ...  The improved algorithm considering pre-blocking and block stitching effectively reduced the iterative process of feature point matching and homography calculation.  ...  In order to solve the above problem, this study proposes an improved parallax image stitching algorithm based on feature blocks (PIFB).  ... 
doi:10.3390/sym11030348 fatcat:jj7wxlzpnrejvif4kzrd2bhqia

Region-Based Static Video Stitching for Reduction of Parallax Distortion

Keon-woo Park, Yoo-Jeong Shim, Myeong-jin Lee
2021 Sensors  
Region-based stitching is performed on matched segment pairs, assuming that segments of the same semantic class are on the same plane.  ...  In this paper, we propose a semantic segmentation-based static video stitching method to reduce parallax and misalignment distortion for sports stadium scenes with dynamic foreground objects.  ...  For the reduction of misalignment distortion, the homography is improved through block matching around feature points warped to the stitching frame plane.  ... 
doi:10.3390/s21124020 fatcat:fjm7jwfifbg2pfqpwdfs7ld6fa

Research on Seamless Image Stitching based on Depth Map

Chengming Zou, Pei Wu, Zeqian Xu
2017 Proceedings of the 6th International Conference on Pattern Recognition Applications and Methods  
The proposed algorithm is based on two problems in the technology of feature-based image stitching algorithm, the algorithm's real-time and ghosting.  ...  Firstly, a SIFT algorithm based on block matching is used for feature matching which was proposed in our previously published paper.  ...  Seamless Image Stitching based on Depth Map capability of the algorithm are improved.  ... 
doi:10.5220/0006146303410350 dblp:conf/icpram/ZouWX17 fatcat:uvlq7573lvck7hb2aj4vvnrfnq

Feature-based Automatic Image Stitching Using SIFT, KNN and RANSAC

Alex Caparas
2020 International Journal of Advanced Trends in Computer Science and Engineering  
To obtain a wide seamless panorama, this paper implemented a feature-based automatic image stitching algorithm.  ...  Image panorama is a process of combining two or more images to form one single image. Image stitching is a process of creating image panorama from a set of images with overlapped fields.  ...  For future enhancement, the algorithm needs improvement in its robustness in stitching 3 or more images. Figure 1 : 1 Figure 1:The block diagram of the stitching method.  ... 
doi:10.30534/ijatcse/2020/1891.12020 fatcat:cje33klmszaexan3crgyh5iy44

Generating High-Quality Panorama by View Synthesis Based on Optical Flow Estimation

Wenxin Zhang, Yumei Wang, Yu Liu
2022 Sensors  
The panoramas generated by the traditional image stitching algorithm have some limitations, such as artifacts and irregular shapes.  ...  We propose a view synthesis approach based on optical flow to generate a high-quality omnidirectional panorama.  ...  Reconstructed View-Based Blending Algorithm Due to parallax and camera orientation, the overlapping areas of the left and the right images are not perfectly matched and blending directly based on distance  ... 
doi:10.3390/s22020470 pmid:35062430 pmcid:PMC8780851 fatcat:pkf77qy5ffei7ocn6utbes34yi

Robust Multi-homography Method for Image Stitching under Large Viewpoint Changes

Wuxia Yan, Chuancai Liu, Furong Peng
2017 International Journal of Hybrid Information Technology  
stitching methods. (1) We present a robust image stitching method, which is based on non-linear transformation for image stitching.  ...  Image stitching technique has many applications in computer vision. Traditional approaches have achieved much success under the assumption that the input images must have little or no parallax.  ...  We further extend the proposed method to stitch images with largely different blocks.  ... 
doi:10.14257/ijhit.2017.10.9.01 fatcat:bsf2oa5cxjgavednhlqv3i5udq

Real-Time Video Stitching for Mine Surveillance Using a Hybrid Image Registration Method

Zongwen Bai, Ying Li, Xiaohuan Chen, Tingting Yi, Wei Wei, Marcin Wozniak, Robertas Damasevicius
2020 Electronics  
The proposed method reduces the image stitching time and solves the problem of feature re-extraction due to the change of observation angle, thus optimizing the entire video stitching process.  ...  After feature extraction, the nearest neighbor method and the random sampling consistency (RANSAC) algorithm are used to register the video frames.  ...  proposed an edge-based weighted minimum error seam method to defeat limitations brought by parallax and video stitching, and an image matching method based on triangular ratios to reduce computational  ... 
doi:10.3390/electronics9091336 fatcat:qmzwnd2d2ngyrehfpbqqma7u6y

Research on the Application of Environmental Art Design Based on the Combination of VR and Panoramic Video Technology

Yingqi Kong, Bai Yuan Ding
2021 Scientific Programming  
It solves the technical difficulties of the high complexity of the algorithm in the system of panoramic video stitching and the existence of stitching cracks and the "GHOST" phenomenon in the stitched  ...  collected data, solve the first-order differential equation for the 3D spatial model, obtain the spatial positioning extremes of the object scales, and realize the alignment and fusion of panoramic video images  ...  technology based on the improved ORB feature detection algorithm and the augmented reality 3D registration method based on I-KCF tracking are proposed.  ... 
doi:10.1155/2021/9820550 fatcat:bn3e5z2ofjc2bladf65andwwty

Content-Preserving Image Stitching with Regular Boundary Constraints [article]

Yun Zhang, Yu-Kun Lai, Fang-Lue Zhang
2019 arXiv   pre-print
Based on this, we further incorporate straight line preserving and regular boundary constraints into the image stitching framework, and conduct iterative optimization to obtain an optimal piecewise rectangular  ...  This paper proposes an approach to content-preserving stitching of images with regular boundary constraints, which aims to stitch multiple images to generate a panoramic image with regular boundary.  ...  There are also methods focusing on local alignment adjustment for eliminating stitching artifacts. To stitch images with large parallax, Zhang et al.  ... 
arXiv:1810.11220v2 fatcat:3th4hi6vbrgpxg5gnc3qcpdnvi

Image Stitching System Based on ORB Feature-Based Technique and Compensation Blending

Ebtsam Adel, Mohammed Elmogy, Hazem Elbakry
2015 International Journal of Advanced Computer Science and Applications  
Finally, we have generated an image stitching system based on ORB using Exposure Compensation blending method. 60 | P a g e B.  ...  Therefore, the main objective of this paper is to introduce a high-quality image stitching system with least computation time. First, we compare many different features detectors.  ...  ORB and MSER algorithm is robust as well as SIFT algorithm, but ORB is the fastest technique. In addition, they introduced a real-time image stitching system based on ORB feature-based technique.  ... 
doi:10.14569/ijacsa.2015.060907 fatcat:74hlqvmpgrathkft47vycnuchi

Application of Migration Image Registration Algorithm based on Improved Surf in Remote Sensing Image Mosaic

Tian Zhang, Rui Zhao, Zhongsheng Chen
2020 IEEE Access  
Therefore, the carbon dioxide image mosaic in this paper is based on image registration algorithm based on SIFT features [17] [18] [19] .  ...  to block the image before image matching, thus improving the efficiency of image mosaic.  ...  Application of Migration Image Registration Algorithm based on Improved Surf in Remote Sensing Image Mosaic VOLUME XX, 2017 9 This work was supported by Natural  ... 
doi:10.1109/access.2020.3020808 fatcat:2m6kikxpfbew7no4xp4kxiikva

Image Stitching based on Feature Extraction Techniques: A Survey

Ebtsam Adel, Mohammed Elmogy, Hazem Elbakry
2014 International Journal of Computer Applications  
A framework of a complete image stitching system based on feature based approaches will be introduced. Finally, the current challenges of image stitching will be discussed.  ...  The purpose of this paper is to present a survey about the feature based image stitching. The main components of image stitching will be described.  ...  IMAGE STITCHING MODEL BASED ON FEATURES BASED TECHNIQUES In this section, a complete image stitching model based on feature based techniques will be discussed.  ... 
doi:10.5120/17374-7818 fatcat:mnfpnotub5expb6zmw33vtc6q4

Image Stitching Based on Planar Region Consensus [article]

Aocheng Li, Jie Guo, Yanwen Guo
2020 arXiv   pre-print
Image stitching for two images without a global transformation between them is notoriously difficult.  ...  In this paper, noticing the importance of planar structure under perspective geometry, we propose a new image stitching method which stitches images by allowing for the alignment of a set of matched dominant  ...  As shown in Table 1 , our algorithm greatly improves both scores on this task.  ... 
arXiv:2007.02722v1 fatcat:twlc5ngzbbe7vcsucutzfr7lxy

Challenges of close-range underwater optical mapping

Ricard Prados, Rafael Garcia, Javier Escartin, Laszlo Neumann
2011 OCEANS 2011 IEEE - Spain  
In this paper a survey of the blending methods is given, focusing the attention on its applicability to underwater mosaicing.  ...  A comprehensive comparison of the basic features and limitations of some of the most important existing blending techniques is presented.  ...  The authors named GIST (Gradient-domain Image STitching) the developed framework based on this method, providing two main approaches to image stitching.  ... 
doi:10.1109/oceans-spain.2011.6003501 fatcat:pjmj365kdngj7ft3nudu4jzwka

Parallax Effect Free Mosaicing of Underwater Video Sequence Based on Texture Features

Nagaraja S, Prabhakar C.J, Praveen Kumar P.U
2014 Signal & Image Processing An International Journal  
In this paper, we present feature-based technique for construction of mosaic image from underwater video sequence, which suffers from parallax distortion due to propagation properties of light in the underwater  ...  In order to increase the accuracy of global registration, we perform preprocessing such as colour alignment between two selected frames based on colour distribution adjustment.  ...  The success of feature-based image mosaicing is heavily depending upon the pairwise image registration based on establishing features correspondence.  ... 
doi:10.5121/sipij.2014.5502 fatcat:ghq4ju65fzevtf7mzl57tcdliq
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