Imaging system and associated electronic device and method of operation of the imaging system
An imaging system and pre-operation technology, applied in the field of sensing systems, can solve problems such as increasing operating frequency, increasing power consumption, reducing battery life, etc., to achieve the effect of increasing speed and reducing power consumption
Active Publication Date: 2021-06-18
SHENZHEN GOODIX TECH CO LTD
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Problems solved by technology
Increasing the operating frequency will increase the power consumption and reduce the battery life; reducing the resolution will increase the error and misjudgment of the result. Both methods have defects.
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[0014] The following disclosure provides various implementations or illustrations, which can be used to achieve different features of the disclosure. Specific examples of components and arrangements are described below to simplify the present disclosure. It will be appreciated that these descriptions are merely examples and are not intended to limit the disclosure. For example, in the description below, forming a first feature on or over a second feature may include some embodiments wherein the first and second features are in direct contact with each other; and may also include In some embodiments, additional components are formed between the first and second features, such that the first and second features may not be in direct contact. In addition, this disclosure may reuse reference symbols and / or labels in various embodiments. Such repetition is for the sake of brevity and clarity, and does not in itself represent a relationship between the different embodiments and / or ...
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The application discloses an imaging system, a related electronic device and an operation method of the imaging system. The imaging system includes: an image sensor, including: a pixel array, which is used to sense the light reflection signal reflected by the target object to the pixel array, and the light reflection signal forms a plurality of light spots on the pixel array, and the pixel array includes a plurality of A first-type pixel and a plurality of second-type pixels, the plurality of first-type pixels and the plurality of second-type pixels are distributed in different pixel rows; and a depth information calculation unit, configured to base on the plurality of first-type pixels The time-of-flight of the light reflection signal is obtained from the plurality of sensing results, and the depth information of the target is obtained according to the time-of-flight, and the plurality of second-type pixels are not used for calculation of the depth information.
Description
technical field [0001] The present application relates to a sensing system, in particular to an imaging system, a related electronic device and an operation method of the imaging system. Background technique [0002] Time of flight (TOF) ranging technology calculates the flight time of the optical signal from the transmitting end to the receiving end by continuously sending the optical signal from the transmitting end to the target and receiving the optical signal returned from the target at the receiving end. Get the distance between the target and the transmitter / receiver. In order to improve the resolution and collect the depth information of the long-distance target, the time-of-flight ranging technology uses a uniform surface light source as the light source, so that each pixel in the pixel array can receive the light signal returned from the target. Generally speaking, in order to reduce the delay time, you can only choose to increase the operating frequency or reduce...
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IPC IPC(8): H04N5/357H04N5/369
CPCH04N25/60H04N25/705
Inventor 杨孟达
Owner SHENZHEN GOODIX TECH CO LTD