CN116311333B - 针对电气图纸中边缘细小文字识别的预处理方法及系统 - Google Patents
针对电气图纸中边缘细小文字识别的预处理方法及系统 Download PDFInfo
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- CN116311333B CN116311333B CN202310143004.4A CN202310143004A CN116311333B CN 116311333 B CN116311333 B CN 116311333B CN 202310143004 A CN202310143004 A CN 202310143004A CN 116311333 B CN116311333 B CN 116311333B
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- 238000001514 detection method Methods 0.000 claims abstract description 78
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- 238000002372 labelling Methods 0.000 claims description 5
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/42—Document-oriented image-based pattern recognition based on the type of document
- G06V30/422—Technical drawings; Geographical maps
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
- G06V10/82—Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/141—Image acquisition using multiple overlapping images; Image stitching
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/148—Segmentation of character regions
- G06V30/15—Cutting or merging image elements, e.g. region growing, watershed or clustering-based techniques
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/14—Image acquisition
- G06V30/148—Segmentation of character regions
- G06V30/153—Segmentation of character regions using recognition of characters or words
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V2201/00—Indexing scheme relating to image or video recognition or understanding
- G06V2201/07—Target detection
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Effective date of registration: 20240521 Address after: Room 204, Building A11, No. 9 Science and Technology Innovation Avenue, Zhongshan Science and Technology Park, Jiangbei New District, Nanjing City, Jiangsu Province, 211899 Patentee after: FIVE-C SMART POWER GRID TECHNOLOGY Co.,Ltd. Country or region after: China Address before: Room 301-28, Building A10, No. 9, Kechuang Avenue, Intelligent Manufacturing Industrial Park (Zhihe Park), Jiangbei New District, Nanjing, Jiangsu 211899 Patentee before: Nanjing Yunjie Power Technology Co.,Ltd. Country or region before: China |