METHOD AND APPARATUS FOR PROCESSING AN IMAGE

    公开(公告)号:US20220383461A1

    公开(公告)日:2022-12-01

    申请号:US17831032

    申请日:2022-06-02

    IPC分类号: G06T5/00 G06T5/20 G09G3/00

    摘要: A method includes: obtaining a plurality of view images; identifying a representative value from among difference values between values of a plurality of sub-pixels corresponding to a first position in the plurality of view images and an intermediate value of a bit range of a display; determining filtering strength corresponding to the representative value, based on a correspondence map indicating a correspondence relationship between filtering strength and a difference value between a value of a sub-pixel and the intermediate value; and applying a filter having the determined filtering strength to the plurality of sub-pixels corresponding to the first position, wherein a value resulting from applying the filter having the determined filtering strength to the plurality of sub-pixels corresponding to the first position is included in a range of sub-pixel values according to the bit range of the display.

    Electronic device and method of operating the same

    公开(公告)号:US11246494B2

    公开(公告)日:2022-02-15

    申请号:US16701740

    申请日:2019-12-03

    IPC分类号: A61B5/00 A61B5/0205 A61B5/024

    摘要: Provided is an electronic device including a housing; a battery; a user interface; a photoplethysmogram (PPG) sensor including a light receiving module exposed through a portion of the housing, at least one light emitting diode (LED), and at least one photodiode; a processor operatively connected to the battery, the user interface, and the PPG sensor; and a memory. According to an embodiment, the memory stores instructions that, when executed, cause the processor to determine whether the PPG sensor is facing a surface of an external object having a reference color, determine whether to perform a test of the PPG sensor based on whether the PPG sensor is facing the surface, receive data from the PPG sensor by operating the PPG sensor in response to determining to perform the test, and perform calibration of the PPG sensor based on at least a portion of the received data. Other embodiments are possible.