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Analysis of Affine Motion Compensated Prediction and its Application in Aerial Video Coding

Holger Meuel

Reihe: Informatik/ Kommunikation

Band 865 2019

Treffer in den folgenden Teilen:

ROI-based System for Low Bit Rate Coding of Aerial Videos S. 65-86

„… block is entirely replaced by a Video preprocessing 84 4 ROI-based System for Low Bit Rate Coding of …” „… degradation is caused by general ROI coding—except for errors introduced by the video encoding itself, i. e …” „… 65 4 ROI-based System for Low Bit Rate Coding of Aerial Videos In the last chapter, a …”

Introduction S. 1-10

„… ] for the simpli ed a ne model. 2. A region of interest-based video coding system (ROI-based coding …” „… enables the use of the proposed ROI-based coding system for aerial videos with arbitrary video codecs …” „… global motions. A ROI-based coding system for aerial video sequences exploiting the special …”

Experiments S. 87-116

„… simpli ed a ne motion model. 5.2 Evaluation of the ROI-based System for Low Bit Rate Aerial Video Coding …” „… 99 5.2 Evaluation of the ROI-based System for Low Bit Rate Aerial Video Coding ¿e ROI coding system …” „… ROI-based System for Low Bit Rate Aerial Video Coding 103 Table 5.3: Bit rates used for subjective tests …”

Titelei/Inhaltsverzeichnis S. I-XVIII

„… Interest- (ROI-) based Video Coding . . . . . . . . . . . . . . 33 2.8.1 ROI de nition and detection …” „… A ne Motion-Compensated Prediction in Video Coding . . . . 63 4 ROI-based System for Low Bit Rate …” „… performant di erence image-based moving object detection . . . . . . 75 4.3 ROI Coding of Aerial Video …”

Bibliography S. 133-152

„… . Chi, C.-T. Hsu, and J.-W. Chen. ROI Video Coding based on H.263+ with Robust Skin-Color Detection …” „… . Low Bit Rate ROI Based Video Coding for HDTV Aerial Surveillance Video Sequences. In Proceedings of …” „… . Complexity-Aware Adaptive Spatial Pre-Processing for ROI Scalable Video Coding with Dynamic Transition Region. In …”

Basics S. 11-36

„… . (2.44) R(D) is obtained in bit per sample [92]. 2.8 Region of Interest- (ROI-) based Video Coding 33 For …” „… represent a theoretical lower bound. 2.8 Region of Interest- (ROI-) based Video Coding As explained in the …” „… Interest- (ROI-) based Video Coding 35 bk(x ,y) = { 1 for dk(x ,y) ≥ Tb 0 for dk(x ,y) < Tb , with dk(x ,y …”

Summary and Conclusions S. 117-132

„… codec-independent region of interest- (ROI-) based video coding system for aerial surveillance videos was proposed …” „… . Consequently, the second contribution of this thesis is a codec-independent ROI-based coding system for the e …” „… video encoder. It is based on the idea that non-ROI areas are compensated at the decoder anyway, and …”

doi.org/10.51202/9783186865106

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Temporally Consistent Superpixels

Matthias Reso

Reihe: Informatik/ Kommunikation

Band 861 2018

Treffer in den folgenden Teilen:

Bibliography S. 109-122

„… . IEEE, 2001. [55] H. Meuel, M. Munderloh, and J. Ostermann. Low bit rate roi based video coding for hdtv …” „… . Superpixel-based segmentation of moving objects for low bitrate roi coding systems. In Proceedings of the IEEE …” „… International Conference on Advanced Video and Signal-Based Surveillance, pages 395–400, August 2013. 114 …”

Experimental Results S. 64-104

„… object tracking and ROI video coding as it better links image regions over time. The latter has e.g. been …” „… video-based superpixels. Finally in Section 5.2, the effectiveness of the proposed framework is demonstrated …” „… (∑ (nb|nb∩gm =∅) |nb| ) − |gm| |gm| . (5.2) A second metric for the evaluation of a video-based …”

doi.org/10.51202/9783186861108

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Detection of Moving Objects for Aerial Surveillance of Arbitrary Terrain

Marco Munderloh

Reihe: Informatik/ Kommunikation

Band 847 2016

Treffer in den folgenden Teilen:

Introduction S. 1-9

„… computer vision and video coding community. The main motion estimation algorithm used in video coding today …” „… 1 1 Introduction The detection and segmentation of moving objects in video sequences is a common …” „… research done and many algorithms are available. Most of them are based on background subtraction. One …”

Titelei/Inhaltsverzeichnis S. I-XII

„… The detection of moving objects in aerial video sequences is a common application in safety and …” „… parallax, two detectors for moving objects in nonplanar scenes are presented. One is based on a motion …” „… non-planar scenes is presented, allowing the use of image differences based methods for non-planar scenes …”

doi.org/10.51202/9783186847102

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