Flicker detection using semiconductor light source
A semiconductor, light-emitting technology used in the field of capturing images
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[0026] Introduction
[0027] Various embodiments of devices, systems, and methods for determining adjustments to a rolling shutter exposure window based on a period of frequency of ambient light are disclosed. In an embodiment, by utilizing a light source (eg, a strobe LED) as an input sensor, a signal providing a frequency of ambient light can be generated. In an embodiment, sensor exposure limits may be adjusted based on this signal such that undesired artifacts (eg, "beat" patterns) are eliminated during the image capture process. In some embodiments, a device or system may be configured with a semiconductor-based multimodal device adapted to operate in various modes. For example, a semiconductor-based multimodal device may be configured to function as a sensor that receives ambient light and generates a signal indicative of one or more characteristics of the ambient light. The same semiconductor-based multimodal device can be configured to provide other functions in ad...
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