NDLI: Accelerated seam carving for image retargeting

Content Provider	IET Digital Library
Author	Patel, Diptiben Raman, Shanmuganathan
Abstract	Display of images on different display devices having varied size and aspect ratio requires one to resize them. Many attempts have been made to perform content-aware image retargeting while generating an image compatible with a target display size. Seam carving is one of the image retargeting operators which alters the size of an image by removing least energy pixels. However, it requires high computational time in order to perform retargeting. In this study, the authors accelerate the naive seam carving process by removal or insertion of multiple pixel wide batch seam in a single iteration rather than a single pixel wide seam. Along with the energy of pixels to be removed, inserted energy after the removal of a batch seam is also minimised in order to prevent the inclusion of false edges. The width of a batch seam is a critical factor which is made adaptive during the retargeting process to preserve the energy of an image. They have shown a significant decrease in computational time with the increase in the width of a batch seam. They have compared the proposed technique with other state-of-the-art image retargeting operators using different quality assessment metrics and visual results.
Starting Page	885
Ending Page	895
Page Count	11
ISSN	17519659
Volume Number	13
e-ISSN	17519667
Issue Number	Issue 6, May (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-ipr/13/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-ipr.2018.5283
Journal	IET Image Processing
Publisher Date	2019-01-16
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Computer Vision And Image Processing Technique Content-aware Image Retargeting Display Device Energy Pixel Image Colour Analysis Image Enhancement Image Resolution Image Segmentation Optical, Image And Video Signal Processing Quality Assessment Metrics Retargeting Process Seam Carving Process Target Display Size
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering Computer Vision and Pattern Recognition Software

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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
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