Hybrid addressing for imaging and vision data

Patent metadata

Field	Value
Publication number	US-2025088770-A1
Application number	US-202418960448-A
Country	US
Kind code	A1
Filing date	Nov 26, 2024
Priority date	Jul 22, 2022
Publication date	Mar 13, 2025
Grant date	—

Abstract

In an example, a method includes receiving image data of an input image having lines therein. The method also includes storing a first portion of the image data in a circular buffer in a first memory, wherein the first portion begins at a circular buffer start line in the input image and ends at a circular buffer end line in the input image. The method includes storing a second portion of the image data in a linear buffer in a second memory, where the second portion is non-overlapping with the first portion. The method includes processing the second portion of the image data to produce a first block of an output image. The method includes processing the first portion of the image data to produce a second block of the output image.

First claim

What is claimed is:

1 . A method, comprising:
receiving data corresponding to a set of lines of an image; determining a first line and a second line out of the set of lines, which correspond to a first portion of the image; determining a third line out of the set of lines, which corresponds to a second portion of the image; storing a first subset of the data, identified based on the first line and the second line, in a first buffer; and storing a second subset of the data, identified based on at least the third line, in a second buffer, wherein the second buffer is a different type of buffer from the first buffer.

2 . The method of claim 1 , wherein the first portion corresponds to a center portion of the image.

3 . The method of claim 1 , wherein the second portion corresponds to an edge portion of the image.

4 . The method of claim 1 , wherein the first buffer is a circular buffer.

5 . The method of claim 1 , wherein the second buffer is a linear buffer.

6 . The method of claim 1 , wherein the first buffer is part of on-chip memory.

7 . The method of claim 1 , wherein the second buffer is part of off-chip memory.

8 . The method of claim 1 , further comprising:
obtaining the first subset of the data from the first buffer to render the first portion of the image; and obtaining the second subset of the data from the second buffer to render the second portion the image.

9 . The method of claim 8 , wherein obtaining the second subset of the data from the second buffer is performed prior to obtaining the first subset of the data from the first buffer.

10 . The method of claim 1 , further determining the first line and the second line comprises determining the first line and the second line based on a size of the first buffer.

11 . A system, comprising:
a first buffer; a second buffer that is a different type of buffer from the first buffer; and processing circuitry configured to:
receive data corresponding to a set of lines of an image;
determine a first line and a second line out of the set of lines, which correspond to a first portion of the image;
determine a third line out of the set of lines, which corresponds to a second portion of the image;
store a first subset of the data, identified based on the first line and the second line, in the first buffer; and
store a second subset of the data, identified based on at least the third line, in the second buffer.

12 . The system of claim 11 , wherein the first portion corresponds to a center portion of the image.

13 . The system of claim 11 , wherein the second portion corresponds to an edge portion of the image.

14 . The system of claim 11 , wherein the first buffer is a circular buffer.

15 . The system of claim 11 , wherein the second buffer is a linear buffer.

16 . The system of claim 11 , wherein the first buffer is part of on-chip memory.

17 . The system of claim 11 , wherein the second buffer is part of off-chip memory.

18 . The system of claim 11 , wherein the processing circuitry is further configured to:
process the first subset of the data out of the first buffer to render the first portion of the image; and process the second subset of the data out of the second buffer to render the second portion of the image.

19 . The system of claim 11 , wherein the processing circuitry is further configured to:
determine the first line and the second line based on a size of the first buffer.

20 . A non-transitory computer readable medium storing instructions that when executed by one or more processors cause the one or more processors to:
receive data corresponding to a set of lines of an image; determine a first line and a second line out of the set of lines, which correspond to a first portion of the image; determine a third line out of the set of lines, which corresponds to a second portion of the image; store a first subset of the data, identified based on the first line and the second line, in a circular buffer; and store a second subset of the data, identified based on at least the third line, in a linear buffer.

Assignees

• Texas Instruments Inc

Inventors

• Nandan Niraj
• Mody Mihit Narendra
• Allu Rajasekhar

Classifications

• H04N23/81

  for suppressing or minimising disturbance in the image signal generation · CPC title

• H04N25/77 Primary

  Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components · CPC title

• H04N23/698 Primary

  for achieving an enlarged field of view, e.g. panoramic image capture · CPC title