{"id":{"repo_id":"njit","oai_identifier":"oai:digitalcommons.njit.edu:theses-1484"},"canonical_url":"https://search.dev.ndltd.org/etd/njit/oai:digitalcommons.njit.edu:theses-1484","repository":{"repo_id":"njit","name":"NJIT","base_url":"https://digitalcommons.njit.edu/do/oai/"},"display":{"title":"Difference-expansion based reversible data hiding and its steganalysis","abstract":"A novel reversible data embedding method was reported in a recent IEEE journal article. The method was based on difference expansion (DE) technique. It used redundancy in digital images to achieve a high embedding capacity, while keeping visual distortion of the stego-image low. In this thesis, this technique was studied and experimentally evaluated. An effective steganalysis scheme for this DE-based reversible data embedding method was proposed, which used 12-dimensional feature vectors and a Bayes Classifier. The proposed steganalysis scheme steadily achieved a correct classification rate of 99%.","abstract_html":"A novel reversible data embedding method was reported in a recent IEEE journal article. The method was based on difference expansion (DE) technique. It used redundancy in digital images to achieve a high embedding capacity, while keeping visual distortion of the stego-image low. In this thesis, this technique was studied and experimentally evaluated. An effective steganalysis scheme for this DE-based reversible data embedding method was proposed, which used 12-dimensional feature vectors and a Bayes Classifier. The proposed steganalysis scheme steadily achieved a correct classification rate of 99%.","abstract_has_math":false,"creators":["Tian, Guangsen"],"institution":null,"degree_name":"Master of Science in Electrical Engineering - (M.S.)","degree_level":null,"degree_discipline":"Electrical and Computer Engineering","degree_department":null,"school":null,"contributors":["Yun Q. Shi","Constantine N. Manikopoulos","MengChu Zhou"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2005,"date_issued":"2005-05-31T07:00:00Z","date_published":"2005-05-31T07:00:00Z","updated_at":"2026-07-24T03:23:27Z","subjects":["Difference expansion technique","Steganalysis","Electrical and Electronics"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://digitalcommons.njit.edu/theses/485","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Yun Q. Shi","Constantine N. 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The method was based on difference expansion (DE) technique. It used redundancy in digital images to achieve a high embedding capacity, while keeping visual distortion of the stego-image low. In this thesis, this technique was studied and experimentally evaluated. An effective steganalysis scheme for this DE-based reversible data embedding method was proposed, which used 12-dimensional feature vectors and a Bayes Classifier. The proposed steganalysis scheme steadily achieved a correct classification rate of 99%."]},{"key":"dc:title","label":"Title","values":["Difference-expansion based reversible data hiding and its steganalysis"]}]}],"canonical_facts":{"dc:contributor":["Yun Q. Shi","Constantine N. Manikopoulos","MengChu Zhou"],"dc:creator":["Tian, Guangsen"],"dc:description.abstract":["A novel reversible data embedding method was reported in a recent IEEE journal article. The method was based on difference expansion (DE) technique. It used redundancy in digital images to achieve a high embedding capacity, while keeping visual distortion of the stego-image low. In this thesis, this technique was studied and experimentally evaluated. An effective steganalysis scheme for this DE-based reversible data embedding method was proposed, which used 12-dimensional feature vectors and a Bayes Classifier. The proposed steganalysis scheme steadily achieved a correct classification rate of 99%."],"dc:identifier":["https://digitalcommons.njit.edu/theses/485"],"dc:subject":["Difference expansion technique","Steganalysis","Electrical and Electronics"],"dc:title":["Difference-expansion based reversible data hiding and its steganalysis"],"dc:type":["Thesis"],"thesis:degree_discipline":["Electrical and Computer Engineering"],"thesis:degree_name":["Master of Science in Electrical Engineering - (M.S.)"]},"updated_at":"2026-07-24T03:23:27Z"}