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Digital forensics: collection, organization, classification and analysis of digital evidences

Abstract

Digital documents (e.g., images, videos) are everywhere --- from our cell phones to the pages of our online news sites. How we choose to use digital document processing tools raises a surprising host of legal and ethical questions that we must address. Is tampering with an image appropriate in cases where the image might affect public behavior? Does an image represent a crime, or is it simply a representation of a scene that has never existed? Before police action can even be taken on the basis of a questionable document, we must detect something about the document itself. Investigators from a diverse set of fields require the best possible tools to tackle the challenges presented by the malicious use of today's digital document processing techniques. In this research project, we endeavor to investigate possible solutions to Digital Forensics problems regarding the collection, organization, classification and analysis of digital evidences. With respect to the collection and organization, we look for approaches to reduce the misuse of possible important evidences. Regarding the classification, we strive for finding digital evidences categorization solutions in order to reduce the required technical efforts when analyzing each evidence. Finally, concerning the analysis, we aim to investigate the source of the evidence as well as whether or not it is authentic. In source device identification, we seek to identify the particular model of a capturing device (e.g., scanner, camera, printer), or the exact device, that produced a document. In forgery detection, we seek to establish the authenticity of a document or to expose any potential tampering the document might has undergone. We intend to carry out the research with our co-partners at the Brazilian Federal Police as well as its counterpart in the State of São Paulo. (AU)

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Scientific publications (40)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FABIAN, JUNIOR; PIRES, RAMON; ROCHA, ANDERSON. Visual words dictionaries and fusion techniques for searching people through textual and visual attributes. PATTERN RECOGNITION LETTERS, v. 39, p. 11-pg., . (10/05647-4)
PINTO, ALLAN; PEDRINI, HELIO; SCHWARTZ, WILLIAM ROBSON; ROCHA, ANDERSON. Face Spoofing Detection Through Visual Codebooks of Spectral Temporal Cubes. IEEE Transactions on Image Processing, v. 24, n. 12, p. 4726-4740, . (11/22749-8, 10/05647-4)
MENDES JUNIOR, PEDRO R.; DE SOUZA, ROBERTO M.; WERNECK, RAFAEL DE O.; STEIN, BERNARDO V.; PAZINATO, DANIEL V.; DE ALMEIDA, WALDIR R.; PENATTI, OTAVIO A. B.; TORRES, RICARDO DA S.; ROCHA, ANDERSON. Nearest neighbors distance ratio open-set classifier. MACHINE LEARNING, v. 106, n. 3, p. 359-386, . (10/05647-4, 13/50155-0, 15/19222-9, 13/50169-1)
MENOTTI, DAVID; CHIACHIA, GIOVANI; PINTO, ALLAN; SCHWARTZ, WILLIAM ROBSON; PEDRINI, HELIO; FALCAO, ALEXANDRE XAVIER; ROCHA, ANDERSON. Deep Representations for Iris, Face, and Fingerprint Spoofing Detection. IEEE Transactions on Information Forensics and Security, v. 10, n. 4, p. 864-879, . (11/22749-8, 13/04172-0, 13/11359-0, 10/05647-4)
CARVALHO, TIAGO; FARIA, FABIO A.; PEDRINI, HELIO; TORRES, RICARDO DA S.; ROCHA, ANDERSON. Illuminant-Based Transformed Spaces for Image Forensics. IEEE Transactions on Information Forensics and Security, v. 11, n. 4, p. 720-733, . (11/22749-8, 10/14910-0, 10/05647-4)
CHIACHIA, GIOVANI; FALCAO, ALEXANDRE X.; PINTO, NICOLAS; ROCHA, ANDERSON; COX, DAVID. Learning Person-Specific Representations From Faces in the Wild. IEEE Transactions on Information Forensics and Security, v. 9, n. 12, p. 2089-2099, . (13/11359-0, 10/00994-8, 10/05647-4)
FERREIRA, ANSELMO; NAVARRO, LUIZ C.; PINHEIRO, GIULIANO; DOS SANTOS, JEFERSSON A.; ROCHA, ANDERSON. Laser printer attribution: Exploring new features and beyond. Forensic Science International, v. 247, p. 105-125, . (10/05647-4)
PIRES, RAMON; AVILA, SANDRA; JELINEK, HERBERT F.; WAINER, JACQUES; VALLE, EDUARDO; ROCHA, ANDERSON. Beyond Lesion-Based Diabetic Retinopathy: A Direct Approach for Referral. IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS, v. 21, n. 1, p. 193-200, . (08/54443-2, 10/05647-4)
FARIA, F. A.; PERRE, P.; ZUCCHI, R. A.; JORGE, L. R.; LEWINSOHN, T. M.; ROCHA, A.; TORRES, R. DA S.. Automatic identification of fruit flies (Diptera: Tephritidae). JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, v. 25, n. 7, p. 1516-1527, . (98/05085-2, 10/14910-0, 10/05647-4)
DIAS, ZANONI; GOLDENSTEIN, SIOME; ROCHA, ANDERSON. Large-Scale Image Phylogeny: Tracing Image Ancestral Relationships. IEEE MULTIMEDIA, v. 20, n. 3, p. 58-70, . (10/05647-4)
DIAS, ZANONI; GOLDENSTEIN, SIOME; ROCHA, ANDERSON. Exploring heuristic and optimum branching algorithms for image phylogeny. JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, v. 24, n. 7, p. 1124-1134, . (10/05647-4)
SCHEIRER, WALTER J.; ROCHA, ANDERSON; MICHEALS, ROSS J.; BOULT, TERRANCE E.. Meta-Recognition: The Theory and Practice of Recognition Score Analysis. IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, v. 33, n. 8, p. 1689-1695, . (10/05647-4)
MORAIS, ERIKSON; FERREIRA, ANESLMO; CUNHA, SERGIO AUGUSTO; BARROS, RICARDO M. L.; ROCHA, ANDERSON; GOLDENSTEIN, SIOME. A multiple camera methodology for automatic localization and tracking of futsal players. PATTERN RECOGNITION LETTERS, v. 39, n. SI, p. 21-30, . (10/05647-4)
FABIAN, JUNIOR; PIRES, RAMON; ROCHA, ANDERSON. Visual words dictionaries and fusion techniques for searching people through textual and visual attributes. PATTERN RECOGNITION LETTERS, v. 39, n. SI, p. 74-84, . (10/05647-4)
COSTA, FILIPE DE O.; SILVA, EWERTON; ECKMANN, MICHAEL; SCHEIRER, WALTER J.; ROCHA, ANDERSON. Open set source camera attribution and device linking. PATTERN RECOGNITION LETTERS, v. 39, n. SI, p. 92-101, . (10/05647-4)
ROCHA, ANDERSON; GOLDENSTEIN, SIOME KLEIN. Multiclass from Binary: Expanding One-Versus-All, One-Versus-One and ECOC-Based Approaches. IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, v. 25, n. 2, p. 289-302, . (10/05647-4)
ROCHA, ANDERSON; PAPA, JOAO PAULO; MEIRA, LUIS A. A.. HOW FAR DO WE GET USING MACHINE LEARNING BLACK-BOXES?. INTERNATIONAL JOURNAL OF PATTERN RECOGNITION AND ARTIFICIAL INTELLIGENCE, v. 26, n. 2, . (10/05647-4)
COSTA, FILIPE DE O.; OIKAWA, MARINA A.; DIAS, ZANONI; GOLDENSTEIN, SIOME; ROCHA, ANDERSON DE REZENDE. Image Phylogeny Forests Reconstruction. IEEE Transactions on Information Forensics and Security, v. 9, n. 10, p. 1533-1546, . (13/08293-7, 10/05647-4)
PIRES, RAMON; JELINEK, HERBERT F.; WAINER, JACQUES; GOLDENSTEIN, SIOME; VALLE, EDUARDO; ROCHA, ANDERSON. Assessing the Need for Referral in Automatic Diabetic Retinopathy Detection. IEEE Transactions on Biomedical Engineering, v. 60, n. 12, p. 3391-3398, . (11/15349-3, 10/05647-4)
ROCHA, ANDERSON; SCHEIRER, WALTER; BOULT, TERRANCE; GOLDENSTEIN, SIOME. Vision of the Unseen: Current Trends and Challenges in Digital Image and Video Forensics. ACM COMPUTING SURVEYS, v. 43, n. 4, . (07/52015-0, 08/08681-9, 05/58103-3, 10/05647-4)
AFONSO, L.; PAPA, J.; PAPA, L.; MARANA, A.; ROCHA, ANDERSON; IEEE. AUTOMATIC VISUAL DICTIONARY GENERATION THROUGH OPTIMUM-PATH FOREST CLUSTERING. 2012 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP 2012), v. N/A, p. 4-pg., . (09/16206-1, 10/05647-4)
PIRES, RAMON; JELINEK, HERBERT F.; WAINER, JACQUES; VALLE, EDUARDO; ROCHA, ANDERSON. Advancing Bag-of-Visual-Words Representations for Lesion Classification in Retinal Images. PLoS One, v. 9, n. 6, . (11/15349-3, 10/05647-4)
FARIA, FABIO A.; DOS SANTOS, JEFERSSON A.; ROCHA, ANDERSON; TORRES, RICARDO DA S.. A framework for selection and fusion of pattern classifiers in multimedia recognition. PATTERN RECOGNITION LETTERS, v. 39, n. SI, p. 52-64, . (12/18768-0, 10/14910-0, 10/05647-4)
FARIA, FABIO A.; PEDRONETTE, DANIEL C. G.; DOS SANTOS, JEFERSSON A.; ROCHA, ANDERSON; TORRES, RICARDO DA S.. Rank Aggregation for Pattern Classifier Selection in Remote Sensing Images. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, v. 7, n. 4, p. 1103-1115, . (10/14910-0, 12/18768-0, 13/08645-0, 10/05647-4)
SCHEIRER, WALTER J.; ROCHA, ANDERSON DE REZENDE; PARRIS, JONATHAN; BOULT, TERRANCE E.. Learning for Meta-Recognition. IEEE Transactions on Information Forensics and Security, v. 7, n. 4, p. 1214-1224, . (10/05647-4)
TOKUDA, ERIC; PEDRINI, HELIO; ROCHA, ANDERSON. Computer generated images vs. digital photographs: A synergetic feature and classifier combination approach. JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, v. 24, n. 8, p. 1276-1292, . (11/22749-8, 10/13745-6, 10/05647-4)
SCHEIRER, WALTER J.; ROCHA, ANDERSON DE REZENDE; SAPKOTA, ARCHANA; BOULT, TERRANCE E.. Toward Open Set Recognition. IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, v. 35, n. 7, p. 1757-1772, . (10/05647-4)
FARIA, FABIO A.; ALMEIDA, JURANDY; ALBERTON, BRUNA; MORELLATO, LEONOR PATRICIA C.; ROCHA, ANDERSON; TORRES, RICARDO DA S.. Time series-based classifier fusion for fine-grained plant species recognition. PATTERN RECOGNITION LETTERS, v. 81, n. SI, p. 101-109, . (10/51307-0, 14/00215-0, 10/14910-0, 10/52113-5, 13/50155-0, 10/05647-4, 07/52015-0, 09/18438-7)
FARIA, FABIO A.; DOS SANTOS, JEFERSSON A.; ROCHA, ANDERSON; TORRES, RICARDO DA S.. A framework for selection and fusion of pattern classifiers in multimedia recognition. PATTERN RECOGNITION LETTERS, v. 39, p. 13-pg., . (10/14910-0, 12/18768-0, 10/05647-4)
PINTO, ALLAN; SCHWARTZ, WILLIAM ROBSON; PEDRINI, HELIO; ROCHA, ANDERSON DE REZENDE. Using Visual Rhythms for Detecting Video-Based Facial Spoof Attacks. IEEE Transactions on Information Forensics and Security, v. 10, n. 5, p. 1025-1038, . (11/22749-8, 10/05647-4)
SILVA, EWERTON; CARVALHO, TIAGO; FERREIRA, ANSELMO; ROCHA, ANDERSON. Going deeper into copy-move forgery detection: Exploring image telltales via multi-scale analysis and voting processes. JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, v. 29, p. 16-32, . (10/05647-4)
RUPPERT, GUILHERME C. S.; CHIACHIA, GIOVANI; BERGO, FELIPE P. G.; FAVRETTO, FERNANDA O.; YASUDA, CLARISSA L.; ROCHA, ANDERSON; FALCAO, ALEXANDRE X.. Medical image registration based on watershed transform from greyscale marker and multi-scale parameter search. COMPUTER METHODS IN BIOMECHANICS AND BIOMEDICAL ENGINEERING-IMAGING AND VISUALIZATION, v. 5, n. 2, p. 138-156, . (13/11359-0, 07/52015-0, 10/00994-8, 10/05647-4)
MORAES, DANIEL; WAINER, JACQUES; ROCHA, ANDERSON. Low false positive learning with support vector machines. JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, v. 38, p. 340-350, . (10/05647-4)
DE OLIVEIRA, ALBERTO A.; FERRARA, PASQUALE; DE ROSA, ALESSIA; PIVA, ALESSANDRO; BARNI, MAURO; GOLDENSTEIN, SIOME; DIAS, ZANONI; ROCHA, ANDERSON. Multiple Parenting Phylogeny Relationships in Digital Images. IEEE Transactions on Information Forensics and Security, v. 11, n. 2, p. 328-343, . (13/08293-7, 11/22749-8, 13/21251-1, 10/05647-4)
PIRES, RAMON; CARVALHO, TIAGO; SPURLING, GEOFFREY; GOLDENSTEIN, SIOME; WAINER, JACQUES; LUCKIE, ALAN; JELINEK, HERBERT F.; ROCHA, ANDERSON. Automated Multi-Lesion Detection for Referable Diabetic Retinopathy in Indigenous Health Care. PLoS One, v. 10, n. 6, . (08/54443-2, 10/05647-4)
COSTA, FILIPE DE O.; SILVA, EWERTON; ECKMANN, MICHAEL; SCHEIRER, WALTER J.; ROCHA, ANDERSON. Open set source camera attribution and device linking. PATTERN RECOGNITION LETTERS, v. 39, p. 10-pg., . (10/05647-4)
MORAIS, ERIKSON; FERREIRA, ANESLMO; CUNHA, SERGIO AUGUSTO; BARROS, RICARDO M. L.; ROCHA, ANDERSON; GOLDENSTEIN, SIOME. A multiple camera methodology for automatic localization and tracking of futsal players. PATTERN RECOGNITION LETTERS, v. 39, p. 10-pg., . (10/05647-4)
SILVA, ELIEZER; TEIXEIRA, THIAGO; TEODORO, GEORGE; VALLE, EDUARDO; TRAINA, AJM; TRAINA, C; CORDEIRO, RLF. Large-Scale Distributed Locality-Sensitive Hashing for General Metric Data. SIMILARITY SEARCH AND APPLICATIONS, v. 8821, p. 12-pg., . (10/05647-4)
FARIA, FABIO A.; ALMEIDA, JURANDY; ALBERTON, BRUNA; MORELLATO, LEONOR PATRICIA C.; ROCHA, ANDERSON; TORRES, RICARDO DA S.. Time series-based classifier fusion for fine-grained plant species recognition. PATTERN RECOGNITION LETTERS, v. 81, p. 9-pg., . (10/05647-4, 10/14910-0, 14/00215-0, 10/51307-0, 07/52015-0, 10/52113-5, 13/50155-0, 09/18438-7)
PAPA, JOAO PAULO; ROCHA, ANDERSON; IEEE. IMAGE CATEGORIZATION THROUGH OPTIMUM PATH FOREST AND VISUAL WORDS. 2011 18TH IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING (ICIP), v. N/A, p. 4-pg., . (09/16206-1, 10/05647-4)

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