NDLI: Point cloud data enhancement based on homomorphic filter

Content Provider	IEEE Xplore Digital Library
Author	Hongjuan Yang Jiwen Chen
Copyright Year	2014
Description	Author affiliation: Sch. of Inf. & Electr. Eng., Shandong Jianzhu Univ., Jinan, China (Hongjuan Yang) \|\| Sch. of Mech. & Electr. Eng., Shandong Jianzhu Univ., Jinan, China (Jiwen Chen)
Abstract	Point cloud data of complex product with small changes of surface has narrow data range, high spatial relativity and smooth data change. It is not sensitive to feature extraction and shape recognition. Homomorphic filter is introduced into point cloud data enhancement. Point cloud data reflecting the product shape and spacial relationship is divided into the low frequency part and the high frequency part. Spatial location change has little effect on the low frequency part. The high frequency part changes greatly with spatial location characteristics of the object itself. Homomorphic filter is designed to reduce the low frequency part and enhance high-frequency part. Point cloud data enhancement based on homomorphic filter is proposed. Example shows point cloud data enhancement based on homomorphic filter can convert non uniform distribution point cloud data to uniform distribution point cloud data, improving the contrast of point cloud data.
Starting Page	509
Ending Page	512
File Size	120766
Page Count	4
File Format	PDF
ISBN	9781479932788
ISSN	23270594
e-ISBN	9781479932795
DOI	10.1109/ICSESS.2014.6933617
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-27
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Histograms Three-dimensional displays Shape Frequency-domain analysis Lasers Data enhancement Feature extraction Frequency conversion Point cloud data Homomorphic filter
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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