Text recognizer using contour segmentation
US-2024355133-A1 · Oct 24, 2024 · US
Removing patterns interfering with the pattern to be recognised, such as ruled lines or underlines
Removing patterns interfering with the pattern to be recognised, such as ruled lines or underlines · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G06V30/155 |
| Official title | {Removing patterns interfering with the pattern to be recognised, such as ruled lines or underlines} |
| Display label | Removing patterns interfering with the pattern to be recognised, such as ruled lines or underlines |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 4 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 12 |
| 2025 | 10 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Text extraction using optical character recognition
US-11961316-B2 · Apr 16, 2024 · US
Image processing apparatus, image processing method, and non-transitory storage medium for determining extraction target pixel
US-11948342-B2 · Apr 2, 2024 · US
Apparatus for generating a binary image into a white pixel, storage medium, and method
US-11935314-B2 · Mar 19, 2024 · US
Document optical character recognition
US-11893611-B2 · Feb 6, 2024 · US
Text extraction using optical character recognition
US-2023368550-A1 · Nov 16, 2023 · US
Line removal from an image
US-2023351781-A1 · Nov 2, 2023 · US
Image processing apparatus and image processing method
US-11783608-B2 · Oct 10, 2023 · US
Line removal from an image
US-11727700-B2 · Aug 15, 2023 · US
Systems and methods for separating ligature characters in digitized document images
US-11710331-B2 · Jul 25, 2023 · US
Information processing apparatus, information processing system, and non-transitory computer readable medium
US-2023135568-A1 · May 4, 2023 · US
Techniques for modifying markings on a digitized document
US-2023123071-A1 · Apr 20, 2023 · US
Autonomously removing scan marks from digital documents utilizing content-aware filters
US-2023090313-A1 · Mar 23, 2023 · US
Image processing system and image processing method
US-2023029990-A1 · Feb 2, 2023 · US
Information processing apparatus, information processing system, and non-transitory computer readable medium
US-11570323-B2 · Jan 31, 2023 · US
Line removal from an image
US-2022398398-A1 · Dec 15, 2022 · US
Image processing apparatus, image processing method, and storage medium
US-2022343666-A1 · Oct 27, 2022 · US
Information processing apparatus and non-transitory computer readable medium
US-11410442-B2 · Aug 9, 2022 · US
Information processing apparatus, information processing system, and non-transitory computer readable medium
US-2022174166-A1 · Jun 2, 2022 · US
Image processing apparatus, image processing method, and non-transitory computer-readable storage medium
US-11288536-B2 · Mar 29, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G06V30/155?
- CPC G06V30/155 is the Cooperative Patent Classification code for “Removing patterns interfering with the pattern to be recognised, such as ruled lines or underlines.”
- How many patents are filed under CPC G06V30/155 (Removing patterns interfering with the pattern to be recognised, such as ruled lines or underlines)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC G06V30/155 growing?
- Publication counts under this code: 12 in 2024 vs 10 in 2025 (latest complete years).