Object Boundary Detection in an Image
US-2016343142-A1 · Nov 24, 2016 · US
involving edge growing; involving edge linking
involving edge growing; involving edge linking · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G06T7/181 |
| Official title | involving edge growing; involving edge linking |
| Display label | involving edge growing; involving edge linking |
| Total patents | 470 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 34 |
| 2017 | 30 |
| 2018 | 39 |
| 2019 | 53 |
| 2020 | 52 |
| 2021 | 63 |
| 2022 | 46 |
| 2023 | 44 |
| 2024 | 42 |
| 2025 | 35 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Object boundary detection in an image
US-9483834-B1 · Nov 1, 2016 · US
Image-based feature detection using edge vectors
US-2016314339-A1 · Oct 27, 2016 · US
Image processing method for extracting linear patterns
US-9478014-B2 · Oct 25, 2016 · US
Image-capturing apparatus, captured image processing system, program, and recording medium
US-2016309094-A1 · Oct 20, 2016 · US
Methods and apparatus for computer-aided radiological detection and imaging
US-9471973-B2 · Oct 18, 2016 · US
Image-based feature detection using edge vectors
US-9412176-B2 · Aug 9, 2016 · US
Semi-automatic polyline extraction from point cloud
US-9406138-B1 · Aug 2, 2016 · US
Structure analysis method for recovering missing structures in an image after object removal
US-2016217557-A1 · Jul 28, 2016 · US
Robust automatic computation of ridges and valleys of a height field
US-2016210531-A1 · Jul 21, 2016 · US
Method and apparatus for inspecting an object employing machine vision
US-2016205283-A1 · Jul 14, 2016 · US
Vehicle vision system with adaptive lane marker detection
US-2016180180-A1 · Jun 23, 2016 · US
Unstructured road boundary detection
US-2016171314-A1 · Jun 16, 2016 · US
Edge Detection System And Methods
US-2016171710-A1 · Jun 16, 2016 · US
Apparatus and method for generating an attenuation correction map
US-9324167-B2 · Apr 26, 2016 · US
Method and device for extracting distorted straight line from image
US-9317766-B2 · Apr 19, 2016 · US
Diffusion tensor imaging confidence analysis
US-9311335-B2 · Apr 12, 2016 · US
Image processing apparatus and method
US-9299005-B2 · Mar 29, 2016 · US
System, method, and medium for image object and contour feature extraction
US-9292763-B2 · Mar 22, 2016 · US
Method and system for fetal visualization by computing and displaying an ultrasound measurment and graphical model
US-2016074006-A1 · Mar 17, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G06T7/181?
- CPC G06T7/181 is the Cooperative Patent Classification code for “involving edge growing; involving edge linking.”
- How many patents are filed under CPC G06T7/181 (involving edge growing; involving edge linking)?
- Our database includes 470 publications tagged with this CPC code.
- Is patent activity under CPC G06T7/181 growing?
- Publication counts under this code: 42 in 2024 vs 35 in 2025 (latest complete years).