阅读说明：本技术 确定三维图像的图像传感器和确定三维图像的方法 (Image sensor for determining three-dimensional image and method for determining three-dimensional image ) 是由 吉·迈南 于 2018-10-17 设计创作，主要内容包括：一种用于确定三维图像的图像传感器装置,包括图像传感器(IS),该图像传感器包括全局快门像素阵列以及控制单元(CTRL),该控制单元被配置为在成像模式(IM)和飞行时间模式(TM)下驱动图像传感器。在成像模式(IM)中,控制单元(CTRL)根据成像定时序列驱动像素。在飞行时间模式(TM)中,控制单元(CTRL)根据飞行时间TOF、定时序列驱动像素。至少第一像素子集分别根据第一相位和第二相位<Image he="74" wi="274" file="DDA0002461636470000011.GIF" imgContent="drawing" imgFormat="GIF" orientation="portrait" inline="no"></Image>操作,第一相位子集相对于第二像素子集具有相位延迟。(An image sensor device for determining a three-dimensional image, comprising an Image Sensor (IS) comprising a global shutter pixel array and a control unit (CTRL) configured to be in an imaging modeThe image sensor is driven in equation (IM) and time-of-flight mode (TM). In an Imaging Mode (IM), a control unit (CTRL) drives pixels according to an imaging timing sequence. In the time-of-flight mode (TM), the control unit (CTRL) drives the pixels according to a time-of-flight TOF, a timing sequence. At least a first subset of pixels being dependent on a first phase and a second phase, respectively In operation, the first subset of pixels has a phase delay relative to the second subset of pixels.)

1. An image sensor apparatus for determining a three-dimensional image, comprising:

an Image Sensor (IS) comprising an array of global shutter pixels,

-a control unit (CTRL) configured to drive the image sensor in an Imaging Mode (IM) and a time-of-flight mode (TM);

wherein:

in an Imaging Mode (IM), a control unit (CTRL) drives at least some of the pixels according to an imaging timing sequence,

-in a time-of-flight mode (TM), the control unit (CTRL) drives at least some of the pixels according to a time-of-flight TOF timing sequence, and

-at least a first subset of pixels has a phase delay with respect to at least a second subset of pixels, according to a first phase and a second phase, respectivelyAnd (5) carrying out operation.

2. An image sensor apparatus for determining a three-dimensional image, comprising:

an Image Sensor (IS) comprising an array of global shutter pixels,

-a control unit (CTRL) configured to drive the image sensor in an Imaging Mode (IM) and a time-of-flight mode (TM);

wherein:

in an Imaging Mode (IM), a control unit (CTRL) drives at least some of the pixels according to an imaging timing sequence,

-in a time-of-flight mode (TM), a control unit (CTRL) drives at least some of the pixels according to a time-of-flight TOF timing sequence, wherein:

-in time-of-flight mode (TM), at least a first subset of pixels and at least a second subset of pixels are according to a first phase and a second phaseIs driven, the first subset of pixels has a phase delay relative to the second subset of pixels, and

-in an Imaging Mode (IM), the first and second subsets of pixels are driven without phase delay.

3. The image sensor apparatus of claim 1 or 2, wherein the pixels of the global shutter pixel array are configured to operate in Imaging Mode (IM) and time-of-flight mode (TM) depending on whether the pixels are driven according to a TOF timing sequence or an imaging timing sequence, respectively.

4. The image sensor device according to one of claims 1 to 3, further comprising:

-an Emitter (EM) configured to emit a plurality of light pulses in response to respective trigger pulses of an emitter control signal (C1); wherein

-in time-of-flight mode (TM), the control unit (CTRL) generates said transmitter control signal (C1), and

-defining a phase with respect to a trigger pulse of the transmitter control signal (C1)

5. The image sensor device according to one of claims 1 to 4, wherein

The Imaging Sensor (IS) comprises a transmission line (TL1, TL4) connected to driver logic (DRV),

-a first subset of transmission lines is coupled to the pixels of the first subset via a first Control Line (CL), respectively,

-a second subset of the transmission lines are coupled to the pixels of the second subset by second Control Lines (CL), respectively, and

-driver logic (DRV) connected to the control unit (CTRL) to depend on said first phase

6. The image sensor device of claim 5, further comprising:

-a third subset of transmission lines is coupled to the pixels of the third subset by a third Control Line (CL), respectively, and/or

-a fourth subset of transmission lines are coupled to the pixels of the fourth subset by a fourth Control Line (CL), respectively, and

-a driver logic (DRV) arrangement for determining a third phase

7. Image sensor device according to one of claims 5 or 6, wherein the subsets of pixels are arranged in an array such that any given pixel coupled to a subset of transmission lines (TL1, TL.., TL4) by a respective Control Line (CL) has at least one neighboring pixel coupled to a different subset of transmission lines by a respective control line.

8. Image sensor device according to claim 7, wherein the pixels from a subset are connected to the transmission line (TL1, e, TL4) by their Connection Line (CL) such that:

pixels arranged in a common column of the array operate according to the same phase, or

Pixels arranged in a common column of the array operate according to the same phase, or

-at least some diagonally adjacent pixels from different columns or rows operate with the same phase.

9. The image sensor device of claim 7, wherein:

-at least some pixels from the first, second, third and fourth subsets are arranged in a 2 x 2 matrix group, and

-connected to the transmission lines by their Connection Lines (CL) such that the pixels arranged in a 2 x 2 matrix group operate with different phases.

10. The image sensor device according to claim 7, wherein pixels of the same subset are connected to a shared transmission line and/or a shared control line, in particular between two adjacent pixels.

11. The image sensor device according to one of claims 1 to 10,

-the Image Sensor (IS) comprises a plurality of microlenses, and

-arranging two or more pixels, respectively, under the same microlens.

12. A method for determining a three-dimensional image, comprising an Image Sensor (IS) comprising a global shutter pixel array, said method comprising the steps of:

-driving pixels of the image sensor in an Imaging Mode (IM) according to an imaging timing sequence,

-driving pixels of the image sensor in a time-of-flight mode (TM) according to a time-of-flight TOF timing sequence,

wherein:

-at least a first subset of pixels and at least a second subset of pixels are dependent on the first phase and the second phase, respectivelyIn operation, the first subset of pixels has a phase delay relative to the second subset of pixels.

13. A method for determining a three-dimensional image, comprising an Image Sensor (IS) comprising a global shutter pixel array, said method comprising the steps of:

-driving pixels of the image sensor in an Imaging Mode (IM) according to an imaging timing sequence,

-driving pixels of the image sensor in a time-of-flight mode (TM) according to a time-of-flight (TOF) timing sequence,

wherein:

-in time-of-flight mode (TM), at least a first subset of pixels and at least a second subset of pixels are according to a first phase and a second phase, respectively

-in an Imaging Mode (IM), the first and second subsets of pixels are driven without phase delay.

14. The method of claim 13, wherein the same pixels of the global shutter pixel array operate in Imaging Mode (IM) and time-of-flight mode (TM) depending on whether the pixels are driven according to a TOF timing sequence or an imaging timing sequence, respectively.

15. Method according to one of claims 12 to 14, wherein in the time-of-flight mode (TM)

-generating a transmitter control signal (C1),

-transmitting, by the transmitter (EM), a plurality of light pulses in response to respective trigger pulses of the transmitter control signal (C1); and is

-defining a phase with respect to a trigger pulse of the transmitter control signal (C1)

16. The method of claim 15, wherein

-the trigger pulses of the transmitter control signal (C1) occur in a non-periodic pattern, wherein each trigger pulse has a rectangular pulse shape and a constant pulse duration, and wherein the trigger pulses are not repeated at a constant, but at random, period, or

-the trigger pulses of the transmitter control signal (C1) occur in a periodic pattern, wherein each trigger pulse has a rectangular pulse shape and a constant pulse duration, and wherein the trigger pulses are repeated with a constant period.

17. Method according to one of claims 12 to 16, wherein said time-of-flight mode (TM) comprises at least two phasesSo that

-pixels arranged in a common column of the array according to the same phase

-pixels arranged in a common column of the array according to the same phase

-at least some diagonally adjacent pixels from different columns or rows are in the same phaseAnd (5) carrying out operation.

18. Method according to one of claims 12 to 17, wherein the time-of-flight mode (TM) comprises at least three phasesOr four phases

at least some of the pixels are arranged in a 2 x 2 matrix group, and

at least three pixels, or four pixels, in the 2 × 2 matrix set, each with a different phase And (5) carrying out operation.

19. Method according to one of claims 12 to 18, wherein the pixels are read out in a read out mode (RM) such that

-the pixel values accumulated during the Imaging Mode (IM) are used to construct a two-dimensional image,

-pixel values accumulated during time-of-flight mode (TM) are used for constructing a depth information image, and

-combining the two-dimensional image and the depth information image into a three-dimensional image.

20. Method according to claim 19, wherein a Readout Mode (RM) of pixel values accumulated during the time-of-flight mode (TM)

For constructing a depth information image for each subset of pixels separately, or

-combining the individual depth information images of each subset of pixels into a combined depth information image.

21. The method of claim 20, wherein individual depth information images for a given subset of pixels are interpolated for pixels of other subsets using an interpolation algorithm and/or a color interpolation algorithm.