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- research-articleJuly 2024
A convolutional neural network based on noise residual for seam carving detection
Journal of Visual Communication and Image Representation (JVCIR), Volume 100, Issue CApr 2024https://doi.org/10.1016/j.jvcir.2024.104135AbstractSeam carving is a method of resizing images based on content awareness. It can realize image retargeting while retaining the main content of the image. However, it may also be maliciously used to tamper with images, such as changing image ...
- research-articleNovember 2023
Multi-operator Image Retargeting based on Saliency Object Ranking and Similarity Evaluation Metric
AbstractImage Retargeting (IR) technology is proposed to flexibly display images on various display devices while protecting the important content of the images undistorted. IR methods mainly use Salient Object Detection (SOD) to obtain important content,...
Highlights- We propose a novel saliency object ranking method for retargeted images.
- We improve seam carving operation using an energy transfer rule.
- We develop a similarity evaluation metric to speed up multi-operator image retargeting.
- research-articleOctober 2023
Text line extraction strategy for palm leaf manuscripts
Pattern Recognition Letters (PTRL), Volume 174, Issue COct 2023, Pages 10–16https://doi.org/10.1016/j.patrec.2023.08.007AbstractText line segmentation is an important step in the historical document image analysis pipeline to supply useful information for recognition, keyword spotting and indexing. Many handcrafted-based and learning-based approaches have been developed ...
Highlights- Performance of the medial seam extraction increase while applying triple smoothing.
- The adaptive slice contributes to improved medial seams segmentation.
- Denoising increases text line extraction results by offering a cleaner text ...
- ArticleJanuary 2024
Seamless Image Editing for Perceptual Size Restoration Based on Seam Carving
AbstractThing of interest (ToI) in a photograph may be perceived as smaller than being perceived from the real scene due to the discrepancy between the imaging principles in the camera and human perception. When using existing image resizing approaches to ...
- research-articleMarch 2023
Seam carving based on dynamic energy regulation
Multimedia Tools and Applications (MTAA), Volume 82, Issue 17Jul 2023, Pages 25795–25810https://doi.org/10.1007/s11042-023-14516-9AbstractSeam carving algorithm is widely used in content-based image scaling. By calculating the energy map of the image, it repeatedly removes the pixel line with the lowest energy sum, which can effectively retain the proportion of significant areas ...
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- research-articleNovember 2022
Multi-operator image retargeting with visual quality preservation of salient regions
Multimedia Systems (MUME), Volume 29, Issue 2Apr 2023, Pages 811–829https://doi.org/10.1007/s00530-022-01023-4AbstractMost of the existing content-aware retargeting algorithms are prone to introduce geometric distortions or information loss undesirably in salient regions of resized images, especially for pictures with visually important content taking up a lot of ...
- research-articleNovember 2022
Performance analysis of seam diversion based image retargeting technique based on edge detection operators
Multimedia Tools and Applications (MTAA), Volume 82, Issue 15Jun 2023, Pages 23207–23250https://doi.org/10.1007/s11042-022-14157-4AbstractNowadays various resizing algorithms are being used to resize the images in a content-aware fashion. The seam diversion-based image retargeting (SDIR) algorithm improves the process of the existing seam carving technique. In this paper, the ...
- ArticleMay 2022
An End-to-End Approach for Seam Carving Detection Using Deep Neural Networks
- Thierry P. Moreira,
- Marcos Cleison S. Santana,
- Leandro A. Passos,
- João Paulo Papa,
- Kelton Augusto P. da Costa
Pattern Recognition and Image AnalysisMay 2022, Pages 447–457https://doi.org/10.1007/978-3-031-04881-4_35AbstractSeam carving is a computational method capable of resizing images for both reduction and expansion based on its content, instead of the image geometry. Although the technique is mostly employed to deal with redundant information, i.e., regions ...
- research-articleApril 2022
Analysis of seam carving technique: limitations, improvements and possible solutions
The Visual Computer: International Journal of Computer Graphics (VISC), Volume 39, Issue 7Jul 2023, Pages 2683–2709https://doi.org/10.1007/s00371-022-02486-2AbstractNowadays, many efficient content-aware image resizing techniques are being used to safeguard the prominent regions of the image so that aesthetically pleasing retargeting results can be generated. In this paper, firstly various energy map ...
- research-articleApril 2022
Improved seam carving for structure preservation using efficient energy function
Multimedia Tools and Applications (MTAA), Volume 81, Issue 9Apr 2022, Pages 12883–12924https://doi.org/10.1007/s11042-022-12003-1AbstractTo reduce the consumption of power and making the handling of display devices easy the manufacturers are reducing the size of the screen. To fit the visual contents into the small screen of display devices without any image deformation development ...
- research-articleJanuary 2022
Multi-operator image retargeting in compressed domain by preserving aspect ratio of important contents
Multimedia Tools and Applications (MTAA), Volume 81, Issue 1Jan 2022, Pages 1501–1522https://doi.org/10.1007/s11042-021-11376-zAbstractContent-aware image retargeting have received extensively research attentions. However, most of exiting retargeting approaches perform resizing on raw image data in the pixel domain. Since images in the actual world are mostly stored and ...
- research-articleDecember 2021
Distance transform based text-line extraction from unconstrained handwritten document images
Expert Systems with Applications: An International Journal (EXWA), Volume 186, Issue CDec 2021https://doi.org/10.1016/j.eswa.2021.115666Highlights- Uses mostly dynamic parameters compatible with any type of handwritten document.
- Deals with the non-uniform gaps between consecutive text-lines and words.
- Generates separation seams based on heuristics with empirically computed ...
Text-line extraction (TLE) is the process of segmenting a document page into lines of text for processing by modules such as language and writer identification or Optical Character Recognition (OCR). Designing of an appropriate TLE method is ...
- rapid-communicationJanuary 2020
Distortion-aware image retargeting based on continuous seam carving model
Highlights- The just noticeable distortion detection algorithm locates pixel displacements that are potential distortion at every retargeting iteration.
The seam-carving algorithm is a classic context-aware image retargeting method and has been extensively studied for years; however, distortions exist as the discrete iteration of least- energy computation. We propose a continuous seam ...
- research-articleOctober 2019
Hopfield network-based approach to detect seam-carved images and identify tampered regions
Neural Computing and Applications (NCAA), Volume 31, Issue 10Oct 2019, Pages 6479–6492https://doi.org/10.1007/s00521-018-3463-8AbstractSeam carving is a content-aware algorithm for image resizing and tampering. This algorithm assigns an energy map to an image and removes the seams with low energy from the image. By doing this, seam carving makes it possible to reduce the image ...
- ArticleSeptember 2019
Generalised Gradient Vector Flow for Content-Aware Image Resizing
Image Analysis and Processing – ICIAP 2019Sep 2019, Pages 260–270https://doi.org/10.1007/978-3-030-30645-8_24AbstractImage retargeting is devoted to preserve the visual content of images with a proper resizing, removing vertical and/or horizontal paths of pixels which contain low semantic information. In this paper, a method based on the Generalised Gradient ...
- research-articleAugust 2019
CMAIR: content and mask-aware image retargeting
Multimedia Tools and Applications (MTAA), Volume 78, Issue 15Aug 2019, Pages 21731–21758https://doi.org/10.1007/s11042-019-7462-2AbstractIn recent years, more and more image retargeting techniques have been proposed to facilitate our daily life, in particular those based on the use of seam carving, warping or the combination of them. However, these techniques can only retarget the ...
- research-articleJuly 2019
Object occlusion guided stereo image retargeting
Pattern Recognition Letters (PTRL), Volume 125, Issue CJul 2019, Pages 798–805https://doi.org/10.1016/j.patrec.2019.07.018Highlights- Formulated stereo seam carving method using graph-cut formulation.
- Objects are ...
The resizing of stereo images while preserving salient content and geometric consistency between the image pair is an essential problem to be addressed for 3D visualization. Existing stereo image retargeting techniques are observed to ...
- rapid-communicationJuly 2019
Reflection symmetry aware image retargeting
Pattern Recognition Letters (PTRL), Volume 125, Issue CJul 2019, Pages 179–186https://doi.org/10.1016/j.patrec.2019.04.013Highlights- Symmetry aware image retargeting operator that preserves the reflection symmetry.
Reflection symmetry is one of the most commonly occurring and prominent visual attributes present in the real world. With an increase in the display devices of different sizes and aspect ratios, the images captured from the real world ...
- research-articleOctober 2017
Detecting image seam carving with low scaling ratio using multi-scale spatial and spectral entropies
Journal of Visual Communication and Image Representation (JVCIR), Volume 48, Issue COctober 2017, Pages 281–291https://doi.org/10.1016/j.jvcir.2017.07.006Detection of seam-carving with LSRs is inferred to be worthy of more research efforts.Information loss is firstly exploited as a key clue for seam carving detection.Multi-scale SSE based features are designed for seam carving detection with LSRs.It ...
- research-articleOctober 2017
Detection of image seam carving by using weber local descriptor and local binary patterns
Journal of Information Security and Applications (JISA), Volume 36, Issue COctober 2017, Pages 135–144https://doi.org/10.1016/j.jisa.2017.09.003Seam carving is a popular content-aware image resizing technique by removing unnoticeable seams with low energies for aesthetic purpose. However, it might also be used for malicious forgeries such as object removal. In this paper, a blind forensics ...