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Hydronium and hydroxide ions are present both in pure water and in all aqueous solutions, and their concentrations are inversely proportional as determined by the ion product of water (Kw). The concentrations of these ions in a solution are often critical determinants of the solution’s properties and the chemical behaviors of its other solutes. Two different solutions can differ in their hydronium or hydroxide ion concentrations by a million, billion, or even trillion times. A common means of...
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    This study introduces an image provenance analysis pipeline to trace image transformations and origins. It helps verify image authenticity and track manipulation history for fact-checking and authorship verification.

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    Area of Science:

    • Computer Vision
    • Image Processing
    • Digital Forensics

    Background:

    • Estimating image transformations is possible using computer vision.
    • Image provenance analysis aims to retrieve original images and transformation sequences.
    • Media manipulation necessitates tools for fact-checking and authorship verification.

    Purpose of the Study:

    • To present an end-to-end image provenance analysis pipeline.
    • To enable real-world scale analysis of image transformation histories.
    • To facilitate the retrieval of original images and their modification pathways.

    Main Methods:

    • Developed a custom-tailored image filtering solution.
    • Introduced novel techniques for constructing provenance graphs.
    • Implemented an end-to-end processing pipeline for image provenance.

    Main Results:

    • The pipeline performs at a real-world scale.
    • Achieved state-of-the-art results on existing datasets.
    • Introduced a new dataset of real-world provenance cases from Reddit.

    Conclusions:

    • The proposed pipeline offers a robust solution for image provenance analysis.
    • The novel techniques advance the field of digital forensics and media verification.
    • The new dataset will support future research in real-world image manipulation detection.