Exploring compression effects for improved source camera identification using strongly compressed video
This paper presents a study of the video compression effect on source camera identification based on the Photo-Response Non-Uniformity (PRNU). Specifically, the reliability of different types of frames in a compressed video is first investigated, which shows quantitatively that I-frames are more rel...
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| creator | Wei-Hong Chuang Hui Su Min Wu |
| description | This paper presents a study of the video compression effect on source camera identification based on the Photo-Response Non-Uniformity (PRNU). Specifically, the reliability of different types of frames in a compressed video is first investigated, which shows quantitatively that I-frames are more reliable than P-frames for PRNU estimation. Motivated by this observation, a new mechanism for estimating the reference PRNU and two mechanisms for estimating the test-video PRNU are proposed to achieve higher accuracy with fewer frames used. Experiments are performed to validate the effectiveness of the proposed mechanisms. |
| doi_str_mv | 10.1109/ICIP.2011.6115855 |
| format | Conference Proceeding |
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Experiments are performed to validate the effectiveness of the proposed mechanisms.</description><subject>Cameras</subject><subject>Correlation</subject><subject>Digital video forensics</subject><subject>Estimation</subject><subject>Forensics</subject><subject>Image coding</subject><subject>low-bit-rate video compression</subject><subject>Noise</subject><subject>photo-response non-uniformity</subject><subject>Reliability</subject><subject>source camera identification</subject><issn>1522-4880</issn><issn>2381-8549</issn><isbn>1457713047</isbn><isbn>9781457713040</isbn><isbn>9781457713033</isbn><isbn>1457713020</isbn><isbn>1457713039</isbn><isbn>9781457713026</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2011</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo9kMtOAjEYhestEZAHMG76AoP92-m0XRqCSkKiC12T0vk7qRmmpB2IvL1DRFcnOZdvcQi5BzYDYOZxOV--zzgDmFUAUkt5QaZGaSilUiCYEJdkxIWGQsvSXJHxX1CqazICyXlRas1uyTjnL8YGkIARaRbfuzam0DXUxe0uYc4hdhS9R9dn6mOiYbDjAWua4z45pM5uMVkaauz64IOz_WmxzydG7lPsmvb4Dxtmh6EZ78iNt23G6Vkn5PN58TF_LVZvL8v506oIoGRf1LX0ylfoSlZxsKV0G1kJzjSTHo0ErJXSxhvLQHstaruBCqzn1lRD31kxIQ-_3ICI610KW5uO6_Nh4gdv2V2G</recordid><startdate>201109</startdate><enddate>201109</enddate><creator>Wei-Hong Chuang</creator><creator>Hui Su</creator><creator>Min Wu</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>201109</creationdate><title>Exploring compression effects for improved source camera identification using strongly compressed video</title><author>Wei-Hong Chuang ; Hui Su ; Min Wu</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-dd5f7f6ec40621a45cb56320805fe951ed7789f9a018f83dab161af2a96621ca3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Cameras</topic><topic>Correlation</topic><topic>Digital video forensics</topic><topic>Estimation</topic><topic>Forensics</topic><topic>Image coding</topic><topic>low-bit-rate video compression</topic><topic>Noise</topic><topic>photo-response non-uniformity</topic><topic>Reliability</topic><topic>source camera identification</topic><toplevel>online_resources</toplevel><creatorcontrib>Wei-Hong Chuang</creatorcontrib><creatorcontrib>Hui Su</creatorcontrib><creatorcontrib>Min Wu</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Wei-Hong Chuang</au><au>Hui Su</au><au>Min Wu</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Exploring compression effects for improved source camera identification using strongly compressed video</atitle><btitle>2011 18th IEEE International Conference on Image Processing</btitle><stitle>ICIP</stitle><date>2011-09</date><risdate>2011</risdate><spage>1953</spage><epage>1956</epage><pages>1953-1956</pages><issn>1522-4880</issn><eissn>2381-8549</eissn><isbn>1457713047</isbn><isbn>9781457713040</isbn><eisbn>9781457713033</eisbn><eisbn>1457713020</eisbn><eisbn>1457713039</eisbn><eisbn>9781457713026</eisbn><abstract>This paper presents a study of the video compression effect on source camera identification based on the Photo-Response Non-Uniformity (PRNU). Specifically, the reliability of different types of frames in a compressed video is first investigated, which shows quantitatively that I-frames are more reliable than P-frames for PRNU estimation. Motivated by this observation, a new mechanism for estimating the reference PRNU and two mechanisms for estimating the test-video PRNU are proposed to achieve higher accuracy with fewer frames used. Experiments are performed to validate the effectiveness of the proposed mechanisms.</abstract><pub>IEEE</pub><doi>10.1109/ICIP.2011.6115855</doi><tpages>4</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Cameras Correlation Digital video forensics Estimation Forensics Image coding low-bit-rate video compression Noise photo-response non-uniformity Reliability source camera identification |
| title | Exploring compression effects for improved source camera identification using strongly compressed video |
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