The Use of Digital Watermarking for Intelligence Multimedia Document Distribution

Fuente: Redalyc

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	Shing-Chi Cheung
Format:	Artículo científico
Sprache:	en
Veröffentlicht:	Universidad de Talca 2008
Schlagworte:	Multidisciplinaria (Ciencias Naturales y Exactas) Digital watermarking Multimedia content security Intelligence user certificate Document distribution protocol Intelligence content management
Online-Zugang:	Acceder al recurso
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Ähnliche Einträge

Script format document authentication scheme based on watermarking techniques
von: M. González-Lee
Veröffentlicht: (2015)

Secure Image Watermarking via Wavelet Transform and Singular Value Decomposition
von: Amira El Hachim, et al.
Veröffentlicht: (2024)

Digital certification in the Brazilian e-government
von: Edilson Ferneda
Veröffentlicht: (2011)

A Parallel PSO Algorithm for a Watermarking Application on a GPU
von: Edgar García Cano
Veröffentlicht: (2013)

A Chaos-Based Video watermarking in Wavelet Domain
von: Somayyeh Mohammadi
Veröffentlicht: (2015)

The Social Dimensions of the Security of Internet banking
von: Supriya Singh
Veröffentlicht: (2006)

Fraud Detection Using Watermarks in Examination Answers
von: Gauk, Martin, et al.
Veröffentlicht: (2021)

Formal Support to Security Protocol Development: A Survey
von: Juan Carlos López Pimentel
Veröffentlicht: (2008)

Enriching User Reviews Through An Opinion Extraction System
von: F. Javier Ortega
Veröffentlicht: (2015)

Robust MPEG Watermarking in DWT Four Bands
von: E. Elbasi
Veröffentlicht: (2012)

A Model for Improving e-Security in Australian Universities
von: Lauren May
Veröffentlicht: (2006)

Measuring end-users´ opinions for establishing a user-centred Electronic Health Record (EHR) system from the perspective of nurses
von: Yung-Yu Su
Veröffentlicht: (2009)

Hybrid Non-Blind Watermark ing Based on DWT and SVD
von: O. Jane
Veröffentlicht: (2014)

Intelligent Document Digitization and Classification using Hybrid Deep Learning and NLP Approaches
von: Fazliya S, et al.
Veröffentlicht: (2026)

A Model Checker for the Verification of Browser Based Protocols
von: Victor Ferman
Veröffentlicht: (2017)

Secure Architectures for a Three-Stage Polling Place Electronic Voting System
von: Josué Figueroa González
Veröffentlicht: (2012)

On -line and Off-line Chinese-Portuguese Translation Service for Mobile Applications
von: Jordi Centelles
Veröffentlicht: (2014)

Information protection management structures in australian e-courts
von: Mark Burdon
Veröffentlicht: (2006)

Making Use of What Teachers Know and Can Do: Policy, Practice, and National Board Certification
von: Julia E. Koppich
Veröffentlicht: (2007)

A secure protocol for a payment system based on a kiosk centric case mobile scenario
von: Jesús A. Téllez
Veröffentlicht: (2006)

A Supervised Method to Predict the Popularity of News Articles
von: Ali Balali
Veröffentlicht: (2017)

USER-GENERATED CONTENT EM SERVIÇOS: UMA ANÁLISE DO AEROPORTO INTERNACIONAL DE GUARULHOS (GRU)
von: Ana Lúcia Borella Guido
Veröffentlicht: (2017)

Satisfaction in hospitality on TripAdvisor.com: An analysis of the correlation between evaluation criteria and overall satisfaction
von: Pablo Flôres Limberger
Veröffentlicht: (2014)

Derived experimental results for DE watermarking evaluation on MCYT signature signals
von: Faundez-Zanuy, Marcos
Veröffentlicht: (2026)

Cryptography
Veröffentlicht: (2017)

UI-Based Defense Against Prompt Injection: From Gentle Guidance to Mandatory Re-education
von: Viorazu.
Veröffentlicht: (2025)

Real-Time MCLT Audio Watermarking and Comparison of Several Whitening Methods in Receptor Side
von: José García Hernández
Veröffentlicht: (2007)

A cheating prevention EVC scheme using watermarking techniques
von: Angelina Espejel Trujillo
Veröffentlicht: (2012)

Journal of Internet Services and Applications
Veröffentlicht: (2013)

Harvesting Adaptation to Biodiversity Conservation in Sawmill Industry: Technology Innovation and Monitoring Program
von: María Vanessa Lencinas
Veröffentlicht: (2007)

The benefits of a quality certificate
von: Jorge Pereira-Moliner
Veröffentlicht: (2016)

A Blind Video Watermarking Scheme Robust To Frame Attacks Combined With MPEG2 Compression
von: Clara CRUZ-RAMOS
Veröffentlicht: (2010)

Digitales Verwalten - Digitales Archivieren. 8. Tagung des Arbeitskreises ,,Archivierung von Unterlagen aus digitalen Systemen am 27. und 28. April 2004 im Staatsarchiv Hamburg"
Veröffentlicht: (2018)

Cache memory coherence protocol for distributed systems
von: José Lisandro Aguilar Castro
Veröffentlicht: (2007)

Security Technologies and Methods for Advanced Cyber Threat Intelligence, Detection and Mitigation
Veröffentlicht: (2023)

Model for PKI interoperability in serbia
von: Radomir I. Prodanović
Veröffentlicht: (2017)

EL CONTROL INTERNO DE UNA ORGANIZACIÓN PRODUCTORA DE CAFÉ CERTIFICADO, EN CHIAPAS, MÉXICO.
von: Adriana Mazariegos Sánchez
Veröffentlicht: (2013)

Ep. 59: The Hidden Watermarks in Your AI: Privacy or Protection?
von: Rosehill, Daniel, et al.
Veröffentlicht: (2025)

Maize dry matter production and macronutrient extraction model as a new approach for fertilizer rate estimation
von: Karla V. Martins
Veröffentlicht: (2017)

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

Environment & details:

GET Data empty

POST Data empty

Files empty

Key	Value
ui	"standard"
VUFIND_SESSION	"ed76789417e352e3e983bb8391524723"
language	"de"

Session

Key	Value
__Laminas	array:2 [`"_REQUEST_ACCESS_TIME" => 1790867758.8001 "_VALID" => array:1 [ "Laminas\Session\Validator\Id" => "ed76789417e352e3e983bb8391524723" ]`]
SessionState	Laminas\Stdlib\ArrayObject {#938}
FlashMessenger	Laminas\Stdlib\ArrayObject {#1433}
SessionHelper	Laminas\Stdlib\ArrayObject {#1760}

Server/Request Data

Key	Value
REDIRECT_VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
REDIRECT_HTTPS	"on"
REDIRECT_SSL_TLS_SNI	"info.umar.mx"
REDIRECT_STATUS	"200"
VUFIND_LOCAL_DIR	"/usr/local/vufind/local"
HTTPS	"on"
SSL_TLS_SNI	"info.umar.mx"
HTTP_ACCEPT	"/"
HTTP_USER_AGENT	"Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
HTTP_COOKIE	"ui=standard; VUFIND_SESSION=ed76789417e352e3e983bb8391524723; language=de"
HTTP_ACCEPT_ENCODING	"gzip, br, zstd, deflate"
HTTP_HOST	"info.umar.mx"
PATH	"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/snap/bin"
SERVER_SIGNATURE	"<address>Apache/2.4.66 (Ubuntu) Server at info.umar.mx Port 443</address>\n"
SERVER_SOFTWARE	"Apache/2.4.66 (Ubuntu)"
SERVER_NAME	"info.umar.mx"
SERVER_ADDR	"200.23.222.19"
SERVER_PORT	"443"
REMOTE_ADDR	"216.73.216.147"
DOCUMENT_ROOT	"/usr/local/vufind/public"
REQUEST_SCHEME	"https"
CONTEXT_PREFIX	""
CONTEXT_DOCUMENT_ROOT	"/usr/local/vufind/public"
SERVER_ADMIN	"admin@localhost"
SCRIPT_FILENAME	"/usr/local/vufind/public/index.php"
REMOTE_PORT	"18784"
REDIRECT_URL	"/Record/redalyc_96530308/Similar"
GATEWAY_INTERFACE	"CGI/1.1"
SERVER_PROTOCOL	"HTTP/1.1"
REQUEST_METHOD	"GET"
QUERY_STRING	""
REQUEST_URI	"/Record/redalyc_96530308/Similar"
SCRIPT_NAME	"/index.php"
PHP_SELF	"/index.php"
REQUEST_TIME_FLOAT	1790867758.7958
REQUEST_TIME	1790867758

Environment Variables empty

Registered Handlers

0. Whoops\Handler\PrettyPageHandler