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We have already developed a novel approach for measuring children’s television viewing [14]. There are also assessment tools to track the screen use of a person on a mobile device used only by that person [13,15,16]. However, the existing methods cannot distinguish the user of the device, which is an important consideration for children who may access a parent’s phone or share a device with a sibling.
JMIR Form Res 2022;6(10):e40452
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The overall goal of FLASH-TV is to estimate the total time a target child views a television or other large screen. To achieve this, FLASH-TV consists of a video camera (Logitech c930e 1080p) placed directly on or near the television, with the camera facing the viewers. The video camera records high-resolution images (approximately 1 megapixel or greater) at a rate of 15-30 frames/s. Computer vision and machine learning algorithms analyze each frame of the recorded video.
JMIR Pediatr Parent 2022;5(1):e33569
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As there is a shortage of youth pedometer based studies, there is a need to identify effective methods for incorporating pedometers into interventions promoting walking and to evaluate the long term effectiveness of these interventions [27].
Cellphone ownership and texting are high among teenagers (teens) [28]. A recent study found that 77% of 12-17 year olds had a cell phone, and that texting is the primary way 14-17 year olds communicate with others (eg, friends, family) [28].
JMIR Res Protoc 2014;3(1):e14
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