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Record W2966011411 · doi:10.18280/isi.240205

Extended Statistical Analysis on Multimedia Concealed Data Detections

2019· article· fr· W2966011411 on OpenAlexvenueno aff
Ch. Rupa

Bibliographic record

VenueIngénierie des systèmes d information · 2019
Typearticle
Languagefr
FieldComputer Science
TopicAdvanced Steganography and Watermarking Techniques
Canadian institutionsnot available
Fundersnot available
KeywordsComputer scienceStatistical analysisMultimediaComputer graphics (images)StatisticsMathematics

Abstract

fetched live from OpenAlex

Now-a-days, providing privacy and protection to illicit materials like videos and web pages became a major issue to the law enforcement authorities.Multimedia information transactions over external network became a threat as those files consist of stego-payload.Current new era is, cyber wars, also playing a vital role along with the physical wars in the world.Along with the people, Government organizations also want to maintain data secrecy in certain sensitive communication areas like Department of Military, Department of Air force, and other defense related areas to protect the data against opponent parties.One of the technique to protect the information steganograpgy.The art of hiding the data into the multimedia files as carriers referred as steganography.In order to this, identifying messages by steganography referred as steganalysis.These techniques can possible to use by unauthorized persons along with the authorized persons or organizations.Hence design and development of an application whether the selected multimedia holds any payload or not is highly recommended, in this new era.This paper work shows the functioning of various methods to predict the hidden data in the multimedia files.Performance analysis of the steganalysis methods by considering different key parameters is the main strength of this work.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.007
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.003
Threshold uncertainty score0.008

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.007
Meta-epidemiology (narrow)0.0010.000
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0020.001
Science and technology studies0.0000.001
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0020.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.028
GPT teacher head0.283
Teacher spread0.255 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations9
Published2019
Admission routes1
Has abstractyes

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