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Three images from the child head camera in which the image size of the largest object was 37% of the total image, 23% of the total image, and 14% of the total image. Figure 5 Histogram of absolute image sizes of all object images (combined): Proportion of all frames in which the total size of all objects (and object parts) in view took up from 0 to 100% of the head camera image for child and parent head camera images.
