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An Improved Electronic Image Stabilization Algorithm Based on Gray Projection

Shao-qing TIAN
2017 DEStech Transactions on Engineering and Technology Research  
The electronic image stabilization algorithm based on gray projection is a fast method to stabilize the image.  ...  A new method of combining gray level planes and grayscale projection algorithms is proposed.  ...  Acknowledgement This research was financially supported by the Harbin science and technology bureau innovation talent special funds (Youth reserve talent plan category) project. NO. 2016RAQXJ045.  ... 
doi:10.12783/dtetr/amsm2017/14834 fatcat:mrclmkzrl5d2bpeagki45mxovq

Corner Detection of the Computer VR Microscope Image Based on the 3D Reconstruction Algorithm

Junjun Huang, Balakrishnan Nagaraj
2022 Scanning  
In order to improve the registration accuracy of the corner-based image registration algorithm, the idea of multiresolution analysis was introduced into the classic Harris corner detection, and a gray  ...  rotation, translation, and scale.  ...  Acknowledgments This research was funded by the Special Project of Vocational Education Reform and Innovation of the Steering Committee of Vocational Education and Teaching of the Ministry of Education  ... 
doi:10.1155/2022/8621103 pmid:35937672 pmcid:PMC9329034 fatcat:cnoawkkmqzhmdf75op4btrwfbi

Research on Panoramic Image Registration Approach based on Spherical Model

Xiaohui Wang, Kehe Wu, Shengzhuang Wang
2013 International Journal of Signal Processing, Image Processing and Pattern Recognition  
: project the fisheye images on the sphere, extract and match the feature points, transform the coordinates of panoramic images.  ...  The focus was improving the SIFT algorithm and RANSAC algorithm for image feature exaction and matching, whose target was to meet the demand of the fish-eye image registration.  ...  The algorithm had invariance in the affine, scale and illumination, and combined the low frequency and high frequency information in the image effectively, which reduced the loss of image details.  ... 
doi:10.14257/ijsip.2013.6.6.27 fatcat:sita3wq5nfhilfrdaicretqed4

Research on feature point registration method for wireless multi-exposure images in mobile photography

Hui Xu
2020 EURASIP Journal on Wireless Communications and Networking  
of the multi-exposure image are carried out, and the image stabilization is realized by combining the feature registration method.  ...  At different scales, suitable white balance offset compensation function is used to describe the feature points of the multi-exposure image, the parallax analysis and corner detection of the target pixel  ...  Ethics approval and consent to participate This article does not contain any studies with human participants or animals performed by the author.  ... 
doi:10.1186/s13638-020-01695-4 fatcat:fji73jh66vaojh5znmdpun2rjy

3D Video Image Processing Effect Optimization Method Based on Virtual Reality Technology

Zhihong He, Wenjie Jia, Erhua Sun, Huilong Sun
2022 North atlantic university union: International Journal of Circuits, Systems and Signal Processing  
According to the motion parameters of the camera carrier obtained from the motion estimation, the feature point matching algorithm constructs the video image motion model, and uses the camera calibration  ...  It is optimized by perspective projection transformation.  ...  generated by the static imaging system is represented by a matrix, detecting the fuzzy edges for extracting image motion feature points with Harris operator, match feature points with the mean clustering  ... 
doi:10.46300/9106.2022.16.47 fatcat:yslahj3isbggnd2gjb3iwghx34

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

Tian Zhang, Rui Zhao, Zhongsheng Chen
2020 IEEE Access  
For more information, see https://creativecommons.org/licenses/by/4.0/. This article has been accepted for publication in a future issue of this journal, but has not been fully edited.  ...  With the rise of the fast Fourier transform, the registration of scaling and changing images is solved by the combination of polar transform and power spectrum.  ...  function expression, I represents the coordinates of the matching points obtained by multiplying with the matrix.  ... 
doi:10.1109/access.2020.3020808 fatcat:2m6kikxpfbew7no4xp4kxiikva

A STUDY ON AUTOMATIC UAV IMAGE MOSAIC METHOD FOR PAROXYSMAL DISASTER

M. Li, D. Li, D. Fan
2012 The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
matching process; sequentially, RANSAC(Random Sample Consensus) is used to eliminate the mismatching tie points.  ...  Firstly, the original images will not be zoomed in to be 2 times larger ones at the initial course of SIFT operator, and the total number of the pyramid octaves in scale space is reduced to speed up the  ...  In 2005, Hou investigated a fast image automatic matching algorithm to resolve the defects of image matching based on similarity in gray level (Hou and Guo, 2005) .  ... 
doi:10.5194/isprsarchives-xxxix-b6-123-2012 fatcat:yxdz2i6ha5avzeunzjgv4muppi

Research on Remote Sensing Image Matching with Special Texture Background

Sen Wang, Xiaoming Sun, Pengfei Liu, Kaige Xu, Weifeng Zhang, Chenxu Wu
2021 Symmetry  
(SIFT) algorithm by combining image color and exposure information based on adaptive quantization strategy (AQCE-SIFT).  ...  When the remote sensing image had a large number of similar repetitive regions of texture, the number of matching points increased by 30.4%, 30.9%, and −11.1%, respectively and the correct matching rate  ...  by the color image projection from the three-dimensional space can be represented by the sum of and : = + = + × ( − ) × ( − ) × | − | (4) 2.1.2.  ... 
doi:10.3390/sym13081380 fatcat:sxvv2ivrufe6bc2fshdp4yhlm4

Real-time video stabilization without phantom movements for micro aerial vehicles

Wilbert G Aguilar, Cecilio Angulo
2014 EURASIP Journal on Image and Video Processing  
However, there are only few algorithms able to be applied in real time. An additional and critical problem is the presence of false movements in the stabilized video.  ...  Our proposal uses a combination of a low-pass filter and control action information to estimate the motion intention.  ...  Acknowledgements This work has been partially supported by the Spanish Ministry of Economy and Competitiveness, through the PATRICIA project (TIN 2012-38416-C03-01). The research fellow Wilbert G.  ... 
doi:10.1186/1687-5281-2014-46 fatcat:yzypma7ajfffddgxrxuettucom

The Novel Method of Moving Target Tracking Eyes Location based on SIFT Feature Matching and Gabor Wavelet Algorithm

Jing Zhang, Caixia Yang, Kecheng Liu
2013 Sensors & Transducers  
This article describes a face based on Gabor wavelet transform facial area, and it is depression terrain feature points extracted directly from the gray-scale image.  ...  SIFT is a scale and rotation invariant feature point extraction algorithm, and it has a high robustness of local feature representation.  ...  The gray value in the digital gray image is stored in the computer as a height value corresponding to the coordinate point in the topographic data, the 2-dimensional gray-scale image can be represented  ... 
doaj:aa6ecd1e4c82441693f8e9fbcf587c3e fatcat:5j2evaptfrhsfawz6q3u7owk2e

Binocular Vision Positioning Method for Safety Monitoring of Solitary Elderly

Mohammad Hadwan, Basheer M. Al-Maqaleh, Fuad N. Al-Badani, Rehan Ullah Khan, Mohammed A. Al-Hagery
2022 Computers Materials & Continua  
In this paper, the imaging model has been established with the corrected image data from the binocular camera; then feature extraction has been completed to provide reference to adjacent image matching  ...  The results show that the proposed algorithm can effectively locate the elderly indoor and improve the real-time monitoring capability.  ...  The key point extraction algorithm also known as the oFAST algorithm [16] , which is evolved from the FAST algorithm [17] , introduces the image pyramid and the gray-scale centroid method to guarantee  ... 
doi:10.32604/cmc.2022.022053 fatcat:i6tlqhdyjrendi2ay323tptjj4

Harris Scale Invariant Corner Detection Algorithm Based on the Significant Region

Wu Peng, Xu Hongling, Li Wenlin, Song Wenlong
2016 International Journal of Signal Processing, Image Processing and Pattern Recognition  
of large amount of calculation and a high rate of error matching.  ...  The traditional Harris corner detection algorithm is sensitive to scale change, corners detected throughout the entire image under complex background, thus extracting more false corners, lead to the follow-up  ...  Acknowledgements Fund Project: This paper is supported by the Natural Science Foundation of Heilongjiang Province of China (C201337), Special Funds for Scientific and Technological Innovation Talents of  ... 
doi:10.14257/ijsip.2016.9.3.35 fatcat:fnwiohxeczha3nn5jd7p53bcg4

Two novel characteristics in palmprint verification: datum point invariance and line feature matching

Dapeng Zhang, Wei Shu
1999 Pattern Recognition  
The datum points of palmprint, which have the remarkable advantage of invariable location, are defined and their determination using the directional projection algorithm is developed.  ...  As the first attempt of automatic personal identification by palmprint, in this paper, two novel characteristics, datum point invariance and line feature matching, are presented in palmprint verification  ...  Let F be an M;N gray scale image and f (i, j) be the gray level of pixel (i, j) (i"0, 1, 2 , M!1; j"0, 1, 2 , N!1).  ... 
doi:10.1016/s0031-3203(98)00117-4 fatcat:ahqdsn5zlbfpregsvcsiiw2yki

Top-Points as Interest Points for Image Matching [chapter]

B. Platel, E. Balmachnova, L. M. J. Florack, B. M. ter Haar Romeny
2006 Lecture Notes in Computer Science  
These points are based on scale-space and catastrophe theory, and are invariant under gray value scaling and offset as well as scale-Euclidean transformations.  ...  By means of a set of repeatability experiments and receiver-operator-curves we demonstrate the performance of top-points and differential invariant features as image descriptors.  ...  Stability The stability of a top-point can be expressed in terms of the variances of spatial and scale displacements induced by additive noise.  ... 
doi:10.1007/11744023_33 fatcat:cayzsmppifhsdiamqkv2wodbwi

Research on Volleyball Image Classification Based on Artificial Intelligence and SIFT Algorithm

Weipeng Lin, Sang-Bing Tsai
2021 Mathematical Problems in Engineering  
First, the color image is converted into a gray image through gray scale transformation, and then the scale space theory is integrated into the image feature point extraction process through the SIFT algorithm  ...  Extract local feature points from the volleyball image, and then combine them with the Random Sample Consensus (RANSAC) algorithm to eliminate the resulting mismatch.  ...  improve the stability and noise resistance of the matching  ... 
doi:10.1155/2021/5547689 fatcat:dylcwwabnvcyvpejxrlne6irha
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