Research Article
Contactless Monitoring of Breathing Patterns and Respiratory Rate at the Pit of the Neck: A Single Camera Approach
Table 1
Size of ROI in function of CCD camera setting:
, , and the number of pixels considered for the analysis in the ROI are reported.
| CCD camera setting | Characteristics of the proposed method | Aspect ratio | Resolution (sensor setting) | [px] | [px] | Number of pixels in the ROI [px] |
| 16 : 9 | 1280 × 720 (HD 720) | 384 | 216 | 82944 | 1024 × 576 (PAL) | 306 | 172 | 52632 | 854 × 480 (WVGA) | 256 | 144 | 36864 |
| 5 : 3 | 800 × 480 (VGA) | 240 | 120 | 28800 |
| 4 : 3 | 640 × 480 (NTSC) | 192 | 144 | 27648 | 800 × 600 (SVGA) | 240 | 180 | 43200 |
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