CN109086763B - 一种指针式仪表读取方法及装置 - Google Patents
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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
- G06V10/20—Image preprocessing
- G06V10/24—Aligning, centring, orientation detection or correction of the image
- G06V10/245—Aligning, centring, orientation detection or correction of the image by locating a pattern; Special marks for positioning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
- G06F18/241—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
- G06F18/2411—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on the proximity to a decision surface, e.g. support vector machines
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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
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
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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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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110110733A (zh) * | 2019-05-15 | 2019-08-09 | 深圳供电局有限公司 | 指针式仪表读数方法、装置、计算机设备和存储介质 |
CN110222688B (zh) * | 2019-06-10 | 2021-06-18 | 重庆邮电大学 | 一种基于多层次相关滤波的仪表定位方法 |
CN111008636A (zh) * | 2019-10-15 | 2020-04-14 | 安徽清新互联信息科技有限公司 | 一种指针式仪表的读取方法及系统 |
CN112464986B (zh) * | 2020-10-30 | 2023-01-24 | 山东浪潮科学研究院有限公司 | 一种指针型圆盘仪表的读数方法及设备 |
CN115222817B (zh) * | 2022-08-31 | 2022-11-29 | 成都千嘉科技股份有限公司 | 一种指针式压力表的指针定位方法 |
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CN104392206A (zh) * | 2014-10-24 | 2015-03-04 | 南京航空航天大学 | 一种指针式仪表读数自动识别的图像处理方法 |
CN104751187A (zh) * | 2015-04-14 | 2015-07-01 | 山西科达自控股份有限公司 | 抄表图像自动识别方法 |
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US20020095803A1 (en) * | 2001-01-19 | 2002-07-25 | Mark Meek | Compass ruler measurement device |
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CN107609557B (zh) * | 2017-08-24 | 2020-09-08 | 华中科技大学 | 一种指针式仪表读数识别方法 |
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CN102521560A (zh) * | 2011-11-14 | 2012-06-27 | 上海交通大学 | 高鲁棒仪表指针图像识别方法 |
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CN103759758A (zh) * | 2014-01-26 | 2014-04-30 | 哈尔滨工业大学 | 一种基于机械角度和刻度识别的汽车仪表指针的位置检测方法 |
CN104392206A (zh) * | 2014-10-24 | 2015-03-04 | 南京航空航天大学 | 一种指针式仪表读数自动识别的图像处理方法 |
CN104751187A (zh) * | 2015-04-14 | 2015-07-01 | 山西科达自控股份有限公司 | 抄表图像自动识别方法 |
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