[go: up one dir, main page]

CN107123098A - A kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state - Google Patents

A kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state Download PDF

Info

Publication number
CN107123098A
CN107123098A CN201710283373.8A CN201710283373A CN107123098A CN 107123098 A CN107123098 A CN 107123098A CN 201710283373 A CN201710283373 A CN 201710283373A CN 107123098 A CN107123098 A CN 107123098A
Authority
CN
China
Prior art keywords
mtd
image
instrument
mtr
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710283373.8A
Other languages
Chinese (zh)
Inventor
金�畅
胡伟
吕端秋
金永君
张风璐
李秀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aerospace Hi Tech Holding Group Co Ltd
Original Assignee
Aerospace Hi Tech Holding Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Aerospace Hi Tech Holding Group Co Ltd filed Critical Aerospace Hi Tech Holding Group Co Ltd
Priority to CN201710283373.8A priority Critical patent/CN107123098A/en
Publication of CN107123098A publication Critical patent/CN107123098A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10004—Still image; Photographic image

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)

Abstract

The present invention relates to a kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state, belong to instrument dial plate image procossing and identification field, the present invention proposes a kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state to solve the shortcoming that raising of the existing instrument dial plate image processing method to definition is relatively low.The method of the present invention includes：Shoot instrument dial plate image；The instrument dial plate image is subjected to gray processing processing；Instrument dial plate image after gray processing is handled carries out gamma transformation；It is filtered using 3 × 3 Gaussian template, obtains filtered image；Judge whether filtered image is clear, if clearly, the image is exported；If unintelligible, filtration module is set to be filtered image again.The present invention is handled suitable for the definition of Instrument image.

Description

A kind of Instrument image processing method for being used to solve image ghost image and reflect indeterminate state And device
Technical field
The present invention relates to a kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state, Belong to instrument dial plate image procossing and identification field.
Background technology
On production line, camera is monitored the meter status high temperature ageing, but monitored picture is smudgy, figure As ghost image and refraction cause distortion.
Accordingly, it would be desirable to a kind of new Instrument image processing method, to solve the defect of prior art.
The content of the invention
It is relatively low the invention aims to solve raising of the existing instrument dial plate image processing method to definition Shortcoming, and propose a kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state.
A kind of Instrument image processing method for being used to solve image ghost image and reflect indeterminate state, including：
Step 1: shooting instrument dial plate image；
Step 2: the instrument dial plate image is carried out into gray processing processing；
Step 3: the instrument dial plate image after gray processing is handled carries out gamma transformation；
Step 4: being filtered using 3 × 3 Gaussian template, filtered image is obtained；
Step 5: judging whether filtered image is clear, if clearly, the image is exported；If unintelligible, repeat Step 4.
A kind of Instrument image processing unit for being used to solve image ghost image and reflect indeterminate state, including：
Dial plate taking module, for shooting instrument dial plate image；
Gradation processing module, for the instrument dial plate image to be carried out into gray processing processing；
Gamma transformation module, for gray processing to be handled after instrument dial plate image carry out gamma transformation；
Filtration module, for being filtered using 3 × 3 Gaussian template, obtains filtered image；
Definition judgment module, for judging whether filtered image is clear, if clearly, the image is exported；If It is unintelligible, then signal is sent to filtration module, filtration module is filtered image again.
Beneficial effects of the present invention are：It is filtered using Gaussian template so that instrument dial plate image after treatment The problem of ghost image and refraction can be overcome, so as to significantly put forward Instrument image fine definition；By the use of relative articulation as right Than standard, the present invention can be by relative articulation improve more than 15% compared with prior art.
Brief description of the drawings
Fig. 1 is the flow for being used to solve the Instrument image processing method of image ghost image and refraction indeterminate state of the invention Figure.
Embodiment
Embodiment one：At the Instrument image for solving image ghost image and refraction indeterminate state of present embodiment Reason method, as shown in figure 1, including：
Step 1: shooting instrument dial plate image；
Step 2: the instrument dial plate image is carried out into gray processing processing；
Step 3: the instrument dial plate image after gray processing is handled carries out gamma transformation；
Step 4: being filtered using 3 × 3 Gaussian template, filtered image is obtained；
Step 5: judging whether filtered image is clear, if clearly, the image is exported；If unintelligible, repeat Step 4.
Embodiment two：Present embodiment from unlike embodiment one：In step 3, gamma transformation is public Formula is y=(x+esp)γ, wherein γ is the constant more than 10, and x is the pixel value before conversion, and y is the pixel value after conversion, esp For penalty coefficient, esp can take 0.1 in present embodiment.
Other steps and parameter are identical with embodiment one.
Embodiment three：Present embodiment from unlike embodiment one or two：In step 4,3 × 3 Gaussian template is：
Other steps and parameter are identical with embodiment one or two.
Embodiment four：Present embodiment provides a kind of instrument for being used to solve image ghost image and reflect indeterminate state Image processing apparatus, including：
Dial plate taking module, for shooting instrument dial plate image；
Gradation processing module, for the instrument dial plate image to be carried out into gray processing processing；
Gamma transformation module, for gray processing to be handled after instrument dial plate image carry out gamma transformation；
Filtration module, for being filtered using 3 × 3 Gaussian template, obtains filtered image；
Definition judgment module, for judging whether filtered image is clear, if clearly, the image is exported；If It is unintelligible, then signal is sent to filtration module, filtration module is filtered image again.
Embodiment five：Present embodiment from unlike embodiment four：
Gamma transformation module includes computing unit, for according to gamma transformation formula y=(x+esp)γCalculated, wherein γ is the constant more than 10, and x is the pixel value before conversion, and y is the pixel value after conversion, and esp is penalty coefficient, present embodiment Middle esp can take 0.1.
Other steps and parameter are identical with embodiment four.
Embodiment six：Present embodiment from unlike embodiment four or five：
Filtration module also includes filter unit, for being filtered according to following gaussian filtering template：
The present invention can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, this area Technical staff works as can make various corresponding changes and deformation according to the present invention, but these corresponding changes and deformation should all belong to The protection domain of appended claims of the invention.

Claims (6)

1.一种用于解决图像重影及折射不定状态的仪表图像处理方法，其特征在于，包括：1. An instrument image processing method for solving image ghosting and refraction indefinite state, it is characterized in that, comprising: 步骤一、拍摄仪表表盘图像；Step 1. Take an image of the instrument panel; 步骤二、将所述仪表表盘图像进行灰度化处理；Step 2, performing grayscale processing on the instrument panel image; 步骤三、将灰度化处理后的仪表表盘图像进行伽马变换；Step 3, performing gamma transformation on the gray-scaled instrument panel image; 步骤四、使用3×3的高斯模板进行滤波，得到滤波后的图像；Step 4, use a 3×3 Gaussian template to perform filtering to obtain a filtered image; 步骤五、判断滤波后的图像是否清晰，若清晰，则将该图像输出；若不清晰，则重复步骤四。Step 5, judging whether the filtered image is clear, if clear, output the image; if not clear, repeat step 4. 2.根据权利要求1所述，其特征在于，所述步骤三中，伽马变换公式为y＝(x+esp)γ，其中γ为大于10的常数，x为变换前的像素值，y为变换后的像素值，esp为补偿系数。2. According to claim 1, it is characterized in that, in said step 3, the gamma transformation formula is y=(x+esp) γ , wherein γ is a constant greater than 10, x is the pixel value before transformation, and y is the transformed pixel value, and esp is the compensation coefficient. 3.根据权利要求1或2所述，其特征在于，步骤四中，3×3的高斯模板为：3. according to claim 1 or 2, it is characterized in that, in step 4, the Gaussian template of 3 * 3 is: <mrow> <mfenced open = "(" close = ")"> <mtable> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>4</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> </mtable> </mfenced> <mo>.</mo> </mrow> <mrow> <mfenced open = "(" close = ")"> <mtable> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>4</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> </mtable> </mfenced> <mo>.</mo> </mrow> 4.一种用于解决图像重影及折射不定状态的仪表图像处理装置，其特征在于，包括：4. An instrument image processing device for solving image ghosting and refraction indefinite state, it is characterized in that, comprising: 表盘拍摄模块，用于拍摄仪表表盘图像；The dial shooting module is used for shooting the image of the instrument dial; 灰度处理模块，用于将所述仪表表盘图像进行灰度化处理；A grayscale processing module, configured to grayscale the instrument panel image; 伽马变换模块，用于将灰度化处理后的仪表表盘图像进行伽马变换；A gamma transformation module, configured to perform gamma transformation on the grayscaled instrument panel image; 滤波模块，用于使用3×3的高斯模板进行滤波，得到滤波后的图像；A filtering module, configured to perform filtering using a 3×3 Gaussian template to obtain a filtered image; 清晰度判断模块，用于判断滤波后的图像是否清晰，若清晰，则将该图像输出；若不清晰，则向滤波模块发出信号，使滤波模块对图像再次进行滤波。The sharpness judging module is used to judge whether the filtered image is clear, and if it is clear, output the image; if not, send a signal to the filtering module to make the filtering module filter the image again. 5.根据权利要求4所述的用于解决图像重影及折射不定状态的仪表图像处理装置，其特征在于，所述伽马变换模块包括计算单元，用于根据伽马变换公式y＝(x+esp)γ进行计算，其中γ为大于10的常数，x为变换前的像素值，y为变换后的像素值，esp为补偿系数。5. The instrument image processing device for solving image ghosting and indeterminate state of refraction according to claim 4, characterized in that, the gamma transformation module includes a calculation unit for according to the gamma transformation formula y=(x +esp) γ for calculation, where γ is a constant greater than 10, x is the pixel value before transformation, y is the pixel value after transformation, and esp is the compensation coefficient. 6.根据权利要求5所述的用于解决图像重影及折射不定状态的仪表图像处理装置，其特征在于，所述滤波模块还包括滤波单元，用于根据如下的高斯滤波模板进行滤波：6. The instrument image processing device for solving image ghosting and refraction indefinite state according to claim 5, characterized in that, the filtering module further includes a filtering unit for filtering according to the following Gaussian filtering template: <mrow> <mfenced open = "(" close = ")"> <mtable> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>4</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> </mtable> </mfenced> <mo>.</mo> </mrow> 1 <mrow> <mfenced open = "(" close = ")"> <mtable> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>4</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> <mtd> <mn>1</mn> </mtd> </mtr> </mtable> </mfenced> <mo>.</mo> </mrow> 1
CN201710283373.8A 2017-04-26 2017-04-26 A kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state Pending CN107123098A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710283373.8A CN107123098A (en) 2017-04-26 2017-04-26 A kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710283373.8A CN107123098A (en) 2017-04-26 2017-04-26 A kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state

Publications (1)

Publication Number Publication Date
CN107123098A true CN107123098A (en) 2017-09-01

Family

ID=59726538

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710283373.8A Pending CN107123098A (en) 2017-04-26 2017-04-26 A kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state

Country Status (1)

Country Link
CN (1) CN107123098A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109803100A (en) * 2019-01-25 2019-05-24 冠捷显示科技（厦门）有限公司 A kind of ghost method that adaptively disappears
CN110942419A (en) * 2019-11-22 2020-03-31 航天科技控股集团股份有限公司 Fuzzy processing method for full liquid crystal instrument ground glass
CN113096758A (en) * 2020-01-09 2021-07-09 深圳理邦智慧健康发展有限公司 Blood pressure management method and system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101639938A (en) * 2009-08-28 2010-02-03 浙江大学 Image restoration method based on double-edge wave filter and margin deconvolution
US20100315448A1 (en) * 2005-09-12 2010-12-16 Lg Display Co., Ltd. Apparatus and method for driving liquid crystal display device
CN106570948A (en) * 2016-11-01 2017-04-19 东南大学 Transformer substation intelligent meter reading system provided with portable device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100315448A1 (en) * 2005-09-12 2010-12-16 Lg Display Co., Ltd. Apparatus and method for driving liquid crystal display device
CN101639938A (en) * 2009-08-28 2010-02-03 浙江大学 Image restoration method based on double-edge wave filter and margin deconvolution
CN106570948A (en) * 2016-11-01 2017-04-19 东南大学 Transformer substation intelligent meter reading system provided with portable device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘元稳: "指针式仪表图像测试技术研究及应用", 《中国优秀硕士学位论文全文数据库 信息科技辑》 *
杨会云: "基于最小错误率贝叶斯决策和平滑滤波的图像去噪算法研究", 《中国优秀硕士学位论文全文数据库 信息科技辑》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109803100A (en) * 2019-01-25 2019-05-24 冠捷显示科技（厦门）有限公司 A kind of ghost method that adaptively disappears
CN110942419A (en) * 2019-11-22 2020-03-31 航天科技控股集团股份有限公司 Fuzzy processing method for full liquid crystal instrument ground glass
CN110942419B (en) * 2019-11-22 2023-09-22 航天科技控股集团股份有限公司 Fuzzy processing method for frosted glass of full liquid crystal instrument
CN113096758A (en) * 2020-01-09 2021-07-09 深圳理邦智慧健康发展有限公司 Blood pressure management method and system

Similar Documents

Publication Publication Date Title
CN106782264B (en) Mould group color spot prosthetic device and method based on PCGPU
CN103559693B (en) A kind of Local Structure of Image adaptive restoration method based on noncontinuity designator
WO2013185449A1 (en) Image enhancement method, image enhancement device and display device
CN101572828A (en) Method for correcting distortion in real time based on GPU camera and video camera
CN107123098A (en) A kind of Instrument image processing method and processing device for being used to solve image ghost image and reflect indeterminate state
CN102222323A (en) Histogram statistic extension and gradient filtering-based method for enhancing infrared image details
CN103996178A (en) Sand and dust weather color image enhancing method
CN106412549B (en) Brightness of image method of adjustment and device
CN109801231B (en) Image processing method for electrophoretic electronic paper detection equipment
CN101908207A (en) A Fast Trilateral Filter Tone Mapping Method Based on Intensity Layering
CN109978789A (en) A kind of image enchancing method based on Retinex algorithm and guiding filtering
TWI755390B (en) Non-uniformity evaluation method and non-uniformity evaluation device
CN104599238A (en) Image processing method and device
CN106709888B (en) A kind of high dynamic range images production method based on human vision model
CN103595933B (en) A kind of noise-reduction method of image
CN107358592B (en) An Iterative Global Adaptive Image Enhancement Method
CN102685370B (en) De-noising method and device of video sequence
WO2021017979A1 (en) Grayscale intensity data processing method, storage medium, and terminal apparatus
CN111968039B (en) Day and night general image processing method, device and equipment based on silicon sensor camera
TWI556643B (en) Image adjustment method
TWI673997B (en) Dual channel image zooming system and method thereof
CN116862904A (en) Minimum perceived difference-based display panel Mura defect global evaluation method
CN104700369A (en) Fast filter strengthening method for night digital image
CN103297787A (en) Image capture system and image processing method applied to the image capture system
CN115205731A (en) A video noise reduction device, method and terminal

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170901