公开(公告)号：US11982527B2

公开(公告)日：2024-05-14

申请号：US17932267

申请日：2022-09-14

Applicant: QUALCOMM Incorporated

Inventor： Yun-Chieh Chang ,  Jing Wang ,  Xiaoyun Jiang

IPC: G01J3/28 ,  G01B9/02 ,  G02B27/10 ,  H04N23/55

CPC classification number: G01B9/02044 ,  G01J3/2823 ,  G02B27/1066 ,  H04N23/55 ,  G01J2003/2826 ,  G01J2003/2836 ,  G01J2003/2843

Abstract: Imaging systems and techniques are described. An imaging system determines, based on image data of a scene received from an image sensor, a first plurality of pixel values corresponding to a first electromagnetic (EM) frequency domain and a second plurality of pixel values corresponding to a second EM frequency domain. The imaging system reduces the first plurality of pixel values using a plurality of cross-domain contamination values (based on the second plurality of pixel values) to generate a third plurality of pixel values. The imaging system determines a reconstructed pixel value based on a combination of at least an overexposed pixel value of the first plurality of pixel values and a corresponding pixel of the third plurality of pixel values. The imaging system outputs a reconstructed image that includes the reconstructed pixel value and a subset of the third plurality of pixel values.

公开(公告)号：US20230164447A1

公开(公告)日：2023-05-25

申请号：US17456117

申请日：2021-11-22

Applicant: QUALCOMM Incorporated

Inventor： Jing Wang ,  Jiafu Luo ,  Silei Ma ,  Xiaoyun Jiang

IPC: H04N5/235 ,  H04N5/355

CPC classification number: H04N5/2355 ,  H04N5/2353 ,  H04N5/35563

Abstract: This disclosure provides systems, methods, and devices for image signal processing that support improved detail keeping in photography through increased dynamic range and/or highlight-keeping. The image signal processing may be performed on data received from a split-pixel image sensor with two sets of sensor elements with different sensitivities. The image signal processing may include receiving image data comprising: first data from a first set of sensor elements and second data from a second set of sensor elements capturing a representation of the scene with a different sensitivity that the first set of sensor elements; determining an output dynamic range for an output image frame; and determining an output image frame based on at least one of the first data and the second data and based on the output dynamic range. Other aspects and features are also claimed and described.

公开(公告)号：US11582405B1

公开(公告)日：2023-02-14

申请号：US17448654

申请日：2021-09-23

Applicant: QUALCOMM Incorporated

Inventor： Jing Wang ,  Shang-Chih Chuang ,  Xiaoyun Jiang

IPC: H04N5/347 ,  G06T3/40 ,  H04N5/345

Abstract: A transformer may transform image data from a first color pattern to a second color pattern. The transforming of image data may be applied to image data received from a memory storing an array of intensities corresponding to a first color pattern of a first color filter array (CFA) of an image sensor to a second color pattern. The second color pattern may be a color pattern of a size smaller that the first CFA. Remosaicing may be applied to the second color pattern to obtain image data organized in a Bayer color pattern. The transforming may be configured to operate on data from an image sensor to obtain different zoom levels not available without applying a digital zoom algorithm that involve upscaling, which reduces the image quality of the image data.

公开(公告)号：US20230199337A1

公开(公告)日：2023-06-22

申请号：US17645695

申请日：2021-12-22

Applicant: QUALCOMM Incorporated

Inventor： Jing Wang ,  Xiaoyun Jiang ,  Ting-Kuei Hu

IPC: H04N5/355 ,  G06T5/00 ,  G06T5/50 ,  G06T3/40

CPC classification number: H04N5/35581 ,  G06T3/4015 ,  G06T3/4053 ,  G06T5/009 ,  G06T5/50 ,  G06T2207/20208

Abstract: This disclosure provides systems, methods, and devices for image processing that supports high dynamic range (HDR) photography. In some aspects, a method of generating a full-resolution HDR photograph with in-sensor zoom includes receiving first and second image data corresponding to first and second exposure captures of a scene. First and second full-resolution image frames may be generated from the first and second image data, which are subsequently processed with HDR fusion to obtain an output image frame with higher dynamic range than either the first or second image data. The first full-resolution image frame may be determined from both the first and second image data by compensating the second image data for differences between the first and second exposures. Other aspects and features are also claimed and described.

公开(公告)号：US11595625B2

公开(公告)日：2023-02-28

申请号：US16733056

申请日：2020-01-02

Applicant: QUALCOMM Incorporated

Inventor： Jing Wang ,  Xiaoyun Jiang ,  Shang-Chih Chuang ,  Jiafu Luo

IPC: H04N9/04 ,  H04N5/225 ,  H04N5/232

Abstract: Apparatus for generating images using a mechanical infrared cut-off switch are disclosed herein. An example apparatus including an optical system for generating images includes a mechanical infrared light filter movable between a first position and a second position. The mechanical infrared light filter may be configured to allow infrared light to pass through the optical system while in the first position and configured to filter out infrared light from the optical system while in the second position. The example apparatus also includes an imaging sensor including imaging pixels and infrared pixels, and may be configured to receive light from the optical system. Additionally, the example apparatus includes a processor configured to receive visible light data and infrared light data from the image sensor. The processor may further be configured to generate a combined image based on the visible light data and the infrared light data.

公开(公告)号：US10853913B2

公开(公告)日：2020-12-01

申请号：US16298793

申请日：2019-03-11

Applicant: QUALCOMM Incorporated

Inventor： Shang-Chih Chuang ,  Jing Wang ,  Xiaoyun Jiang

IPC: G06T3/40 ,  G06T11/00 ,  G02B5/20 ,  H04N9/04

Abstract: Methods, systems, and devices for processing color information are described. The method may include receiving a first set of image data collected at an image sensor based on a first color filter array having a first filter pattern, calculating a color saturation gradient based on the first set of image data, and calculating multiple color gradients based on the color saturation gradient. The multiple color gradients may each be associated with a region of the first set of image data, where each color gradient characterizes a color variation along a different direction of the region. The method may include generating a second set of image data including a color value for the region based on comparing a first direction gradient of the multiple color gradients with a second direction gradient of the multiple color gradients. Color values associated with the regions may be mapped to a second color filter array.