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Bar code waveform recognition using peak locations

E. Joseph, T. Pavlidis
1994 IEEE Transactions on Pattern Analysis and Machine Intelligence  
In addition, an estimate of the standard deviation of the blurring kernel is used to perform minor deblurring of the waveform.  ...  adi it ion ally, zero crossings of the second derivative provide edge features for the classification of blurred waveforms.  ...  An estimate of the standard deviation of the CJ of the Gaussian kemel was used to perform minor deblurring of the waveform.  ... 
doi:10.1109/34.295907 fatcat:vbuv3bmcqrazrdoxtthhflwhue

Recognition of the stacked two-dimensional bar code based on iterative deconvolution

N-Z Liu, H Sun, J-Y Yang
2010 Imaging Science Journal  
Based on the idea of bar codes as bilevel waveforms, a novel bar code recognition algorithm rooted in iterative deconvolution is proposed in this paper.  ...  In order to deblur the image, a deconvolution technique is necessary. Under the influence of noise, deconvolution is a type of ill-posed problem.  ...  This research is supported in part by the National Natural Science Foundation of China (No. 60903104) and the Natural Science Foundation of Jiangsu Province (No. BK2007588).  ... 
doi:10.1179/136821909x12581187859970 fatcat:lqw3jn2fofc5ddxvm5ygkfze3e

Table of contents

2021 ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)  
SAM-8.2: MULTI-VEHICLE VELOCITY ESTIMATION USING IEEE 802.11AD .............................................. 4695 WAVEFORM Geonho Han, Sucheol Kim, Junil Choi, Korea Advanced Institute of Science and  ...  Mak, The Hong Kong Polytechnic University, China; Ming Wu, Chinese Academy of Sciences, China SAM-13.4: ADAPT-THEN-COMBINE FULL WAVEFORM INVERSION FOR .................................................  ... 
doi:10.1109/icassp39728.2021.9414617 fatcat:m5ugnnuk7nacbd6jr6gv2lsfby

Computational Imaging and Artificial Intelligence: The Next Revolution of Mobile Vision [article]

Jinli Suo, Weihang Zhang, Jin Gong, Xin Yuan, David J. Brady, Qionghai Dai
2021 arXiv   pre-print
the advances of CI in diverse applications and then conducts a comprehensive review of current research topics combining CI and AI.  ...  Finally, we outlook the future of CI plus AI by investigating new materials, brain science and new computing techniques to shed light on new directions of mobile vision systems.  ...  [149] use random sparse stepfrequency waveform to suppress high sidelobes in azimuth and elevation and to improve the capability of weak target detection.  ... 
arXiv:2109.08880v1 fatcat:nbwyxsweljagpb43nzwpk3lf7y

Advances in zero-based consistent deconvolution and evaluation of human sensory-motor function [article]

Russell William Watson, University Of Canterbury
It has been foW1d that the algorithm can successfully deblur small (original image sizes < 16 x 16 pixels), high SNR (2 40 dB) blurred images.  ...  The algorithm performs the deconvolution by separating a subset of the zeros of the Z transform of the convolution into two further subsets.  ...  the deblurring operation (i.e. the Wiener filter is considered to perform only minor deblurring) (Biemond et al., 1990) .  ... 
doi:10.26021/3051 fatcat:s7dn4qlzvnbr5cv2i6ujeb34zu