• Title/Summary/Keyword: scene detection

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A Comparison of Scene Change Localization Methods over the Open Video Scene Detection Dataset

  • Panchenko, Taras;Bieda, Igor
    • International Journal of Computer Science & Network Security
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    • v.22 no.6
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    • pp.1-6
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    • 2022
  • Scene change detection is an important topic because of the wide and growing range of its applications. Streaming services from many providers are increasing their capacity which causes the industry growth. The method for the scene change detection is described here and compared with the State-of-the-Art methods over the Open Video Scene Detection (OVSD) - an open dataset of Creative Commons licensed videos freely available for download and use to evaluate video scene detection algorithms. The proposed method is based on scene analysis using threshold values and smooth scene changes. A comparison of the presented method was conducted in this research. The obtained results demonstrated the high efficiency of the scene cut localization method proposed by authors, because its efficiency measured in terms of precision, recall, accuracy, and F-metrics score exceeds the best previously known results.

Scene Change Detection Algorithm on Compressed Video

  • Choi Kum-Su;Moon Young-Deuk
    • Proceedings of the IEEK Conference
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    • summer
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    • pp.442-446
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    • 2004
  • This paper propose scene change detection algorithm using coefficient of forward prediction macro-block, backward prediction macro-block, and intra-coded macro-block on getting motion estimation. Proposed method detect scene change with correlation according picture type forward two picture or forward and backward two picture on video sequences. Proposed algorithm is high accuracy and can detect all scene change on video, and detect to occur scene change on P, B, I-picture.

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Abrupt Scene Change Detection Algorithm Using Macroblock Type and DC Coefficient in Compressed Domain (압축 도메인 상에서 메크로 블록 타입과 DC 계수를 사용한 급격한 장면 변화 검출 알고리즘)

  • 이흥렬;이웅희;이웅호;정동석
    • Proceedings of the IEEK Conference
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    • 2003.07d
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    • pp.1527-1530
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    • 2003
  • Video is an important and challenge media and requires sophisticated indexing schemes for efficient retrieval from visual databases. Scene change detection is the first step for automatic indexing of video data. Recently, several scene change detection algorithms in the pixel and compressed domains have been reported in the literature. However, using pixel methods are computationally complex and are not very robust in detecting scene change detection. In this paper, we propose robust abrupt scene change detection using macroblock type and DC coefficient. Experimental results show that the proposed algorithm is robust for detection of most abrupt scene changes in the compressed domain.

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Automatic Detection of Dissolving Scene Change in Video (Video 장면전환 중 디졸브 검출에 관한 연구)

  • 박성준;송문호;곽대호;김운경;정민교
    • Proceedings of the IEEK Conference
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    • 1999.11a
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    • pp.1057-1060
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    • 1999
  • For efficient storage and retrieval of large video data sets, automatic video scene change detection is a necessary tool. Video scene changes fall into two categories, namely fast and gradual scene changes. The gradual scene change effects include, dissolves, wipes, fades, etc. Although currently existing algorithms are able to detect fast scene changes quite accurately, the detection of gradual scene changes continue to remain a difficult problem. In this paper, among various gradual scene changes, we focus on dissolves. The algorithm uses a subset of the entire video, namely the sequence of DC images, for improvement of detection velocity

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An analysis of Scene Change Detection using HEVC coding additional information (HEVC 부호화 부가정보를 이용한 장면전환 검출 연구)

  • Eom, Yumi;Park, Sangil;Chung, Chang Woo
    • Journal of Broadcast Engineering
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    • v.20 no.6
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    • pp.871-879
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    • 2015
  • With the increase of mass contents data, a method of a scene change detection is required for analysis, indexing and editing. Although many researchers are studying a variety of scene change detection method, it is too difficult to accurately detect various movements of the cameras and scene changes. Also, earlier scene change detection methods take too much time to apply to UHD video contents. That is because the UHD video contents with 4K (3820x2160) resolution or higher have greater amount of data. Therefore a method for detecting a scene change by using the next-generation codec, HEVC, is required. In this paper, we propose four scene change detection methods using the coding additional information of HEVC, and a new pixel-based scene change detection system. Furthermore, through the experimental results, we check the possibility of detecting the scene changes of UHD videos encoded in HEVC format.

New Abrupt/Gradual Scene Change Detection (새로운 급진적/점진적 장면 전환 검출)

  • Shin, Seong-Yoon;Rhee, Yang-Wen
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.13 no.11
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    • pp.2330-2334
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    • 2009
  • This paper presented a new scene change detection method of compounding color histogram and $x^2$ histogram. This method overcomes the disadvantages of difference value detection methods and will be taking advantage. Also, this method can detect all from the abrupt scene change detection to gradual scene change detection. The proposed method has been compared with previous method, and our experimental results show the better results than the previous method.

Scene Change Detection using the Automated Threshold Estimation Algorithm

  • Ko Kyong-Cheol;Rhee Yang-Won
    • The Journal of Information Systems
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    • v.14 no.3
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    • pp.117-122
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    • 2005
  • This paper presents a method for detecting scene changes in video sequences, in which the $chi^{2}$-test is modified by imposing weights according to NTSC standard. To automatically determine threshold values for scene change detection, the proposed method utilizes the frame differences that are obtained by the weighted $chi^{2}$-test. In the first step, the mean and the standard deviation of the difference values are calculated, and then, we subtract the mean difference value from each difference value. In the next step, the same process is performed on the remained difference values, mean-subtracted frame differences, until the stopping criterion is satisfied. Finally, the threshold value for scene change detection is determined by the proposed automatic threshold estimation algorithm. The proposed method is tested on various video sources and, in the experimental results, it is shown that the proposed method is reliably estimates the thresholds and detects scene changes.

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Effective scene change detection methods using characteristics of MPEG video (MPEG 비디오의 특성 추출을 이용한 효과적인 장면 전환 검출 기법)

  • 곽영경;최윤석;고성제
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.24 no.8B
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    • pp.1567-1576
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    • 1999
  • In this paper, we propose new methods to detect a scene cut and a dissolve region in compressed MPEG video sequences. The scene cut detection method uses edge images obtained using DCT AC coefficients and the dissolve detection method utilizes the macroblock type information of the MPEG stream. The proposed scene cut detection method is insensitive to brightness and can detect scene changes more precisely than the methods using DC coefficients since AC edge images can express original images more exactly than DC edge images do. The proposed dissolve detection method using the number of intra macroblocks(MBs) computationally efficient since it does not require the decoding process. Experimental results show that the proposed methods perform better in detection scene changes than conventional other methods.

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Scene Change Detection with Sequential Access Method in Compressed MPEG Videos (순차접근법을 이용한 MPEG 압축영역에서의 장면전환점 검출)

  • Ahn, Eui-Sub;Song, Hyun-Soo;Lee, Jae-Dong;Kim, Sung-Un
    • The KIPS Transactions:PartB
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    • v.11B no.3
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    • pp.353-360
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    • 2004
  • The study on scene change detection in the compressed MPEG videos has been done by various approaches. However, most of these approacher accomplished scene change detection by carrying out decoding processes and then by comparing pixels with pixels. This approach it not suitable for real time applications owing to much computing time of decoding processes. Recently, the study on scene change detection algorithms using only information of compressed domain is becoming Increasingly important. In this paper, we propose a sequential access method as an efficient scene change detection algorithm in the compressed domain. According to the type of pictures in the compressed MPEG video streams (divided in I-blocks and each I-block into P-blocks), the proposed algorithm provides effective scene change detection by applying sequential access and block by block mechanism. The proposed sequential access method provides fast and accurate detection operation by reducing checking procedures of unnecessary pictures due to molt of operations in compressed domain and checking by block units. Also, this approach uses optimal algorithm to provide fast and accurate detection operation.