Zhiqiang Wu, Mei Yu, Hao Jiang, Fen Chen, Gangyi Jiang. 360° Panoramic Video Coding Based on Region of Interest[J]. Laser & Optoelectronics Progress, 2018, 55(6): 061013
- Laser & Optoelectronics Progress
- Vol. 55, Issue 6, 061013 (2018)
Fig. 1. Framework of 360 ° panoramic video coding based on ROI
Fig. 2. 360° image sequences. (a) Building sequence for camera fixed; (b) glacier sequence for camera not fixed; (c) jump sequence for camera fixed; (d) ballooning sequence for camera not fixed
Fig. 3. Extracting results of ROI. (a) Building sequence; (b) glacier sequence
Fig. 4. Distribution of QP offset for image with resolution of 3840 pixel×1920 pixel
Fig. 5. BD-rate performance of glacier and building sequences. (a) Glacier sequence; (b) building sequence
Fig. 6. Local enlarged drawing of ROI and original 8th frame of glacier sequence. (a) Original frame; (b) enlarged drawing of local viewport; (c) reconstructed frame using HM15.0; (d) reconstructed frame using proposed method
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Table 1. Panoramic video sequence information
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Table 2. Comparison results of proposed method and original HM15.0
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Table 3. Comparison results of proposed method and Ref. [20]%
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