本文選題：反取證 + 被動(dòng)取證��； 參考：《中國圖象圖形學(xué)報(bào)》2016年12期

【摘要】：目的數(shù)字圖像的真實(shí)性問題備受人們關(guān)注,被動(dòng)取證是解決該問題的有效途徑。然而,如果偽造者在篡改圖像的同時(shí)利用反取證技術(shù)對篡改的痕跡進(jìn)行消除或偽造,那么已有的大量被動(dòng)取證技術(shù)都將失效�；仡檲D像反取證技術(shù)的研究現(xiàn)狀(包括興起原因、實(shí)現(xiàn)原理、技術(shù)特點(diǎn)以及應(yīng)用前景),并根據(jù)已有文獻(xiàn)總結(jié)反取證技術(shù)面臨的主要挑戰(zhàn)和機(jī)遇。方法由于現(xiàn)有的被動(dòng)取證技術(shù)大都基于遺留痕跡和固有特征的異同來辨識圖像真?zhèn)?因此本文以不同的取證特征為線索來評述和比較反取證技術(shù)的原理和策略。結(jié)果根據(jù)取證特征的不同,將反取證技術(shù)歸納為遺留痕跡隱藏、固有特征偽造和反取證檢測等三類,并展示了當(dāng)前各類反取證技術(shù)面臨的難點(diǎn)和挑戰(zhàn)。結(jié)論對數(shù)字圖像反取證技術(shù)進(jìn)行總結(jié)和展望,并指出其算法未來在通用性、安全性、可靠性等方面將有待進(jìn)一步的深入研究。
[Abstract]:Objective the authenticity of digital images has attracted much attention. Passive forensics is an effective way to solve this problem. However, if forgers tamper with images and use anti-forensics to remove or forge the traces of tampering, then a large number of passive forensics techniques will be ineffective. This paper reviews the current research situation of image countervailing technology (including the reason of its rise, the principle of its realization, the technical characteristics and the prospect of its application), and summarizes the main challenges and opportunities faced by the technology according to the existing literature. Methods because the existing passive forensics techniques are mostly based on the similarities and differences between the left traces and inherent features to identify the true and false images, this paper reviews and compares the principles and strategies of the anti-forensics technology with different evidential features as clues. Results according to the different characteristics of forensics, the techniques of anti-forensics were classified into three categories: the hiding of traces, the falsification of inherent characteristics and the detection of anti-forensics, and the difficulties and challenges faced by various kinds of anti-forensics techniques were demonstrated. Conclusion the technology of digital image anti-forensics is summarized and prospected, and it is pointed out that its algorithm will need further research in the aspects of generality, security and reliability in the future.
【作者單位】： 南通大學(xué)電子信息學(xué)院;
【基金】：國家自然科學(xué)基金項(xiàng)目(61371113) 江蘇省自然科學(xué)基金項(xiàng)目(BK20130393) 江蘇省高校自然科學(xué)基金項(xiàng)目(15KJD520002) 江蘇省高校品牌專業(yè)建設(shè)工程項(xiàng)目(06150032/002) 南通大學(xué)博士科研啟動(dòng)基金項(xiàng)目(03080416)~~
【分類號】：TP391.41;D918.2

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