Summary about the license plate attention point

Specific steps 1, the acquisition of the color license plate image conversion to grayscale Figure 2, grayscale image using Gaussian smoothing, then the median filter 3, the use of Sobel operator edge detection of the image 4, the two value of the image of corrosion, expansion, open operation, the morphological combination of the closed Operation Transformation 5, After the morphological transformation of the image contour search, according to the license plate width ratio extraction license plate <!--more--and code to achieve grayscale image gray = Cv2.cvtcolor (img, Cv2. Color_bgr2gray) Gaussian smoothing, median filter processing Gaussian = Cv2. Gaussianblur (Gray, (3, 3), 0, 0, Cv2. Border_default) median = Cv2.medianblur (Gaussian, 5) Sobel edge detection Sobel

1. Python for license plate location and segmentation

Introduction: Specific steps 1, the acquisition of the color license plate image conversion to grayscale Figure 2, grayscale image using Gaussian smoothing, then the median filter 3, the use of Sobel operator edge detection of the image 4, the two value of the image of corrosion, expansion, open operation, the morphological combination of the closed Operation Transformation 5, The image of morphological transformation is searched, and the license plate &lt;! is extracted according to the aspect ratio of the license plate. The more&gt; code implements the grayscale Gray=cv2.cvtcolor (IMG,CV2) of the image. Colorbgr2gr ...

2. PHP implementation generates a unique number (36 binary non-repeating numbering) _php tutorial

Summary: The PHP implementation generates a unique number (36 binary non-repeating number). When we have a large number of data to be numbered, and the number has a number of digits limit, such as 5-bit license plate number, 10-bit ID number, order serial number, short URL, etc., we can make

3. Another question about the PHP regular expression match text to a two-dimensional array fractional-force

Introduction: Another problem of the PHP regular expression matching text into a two-dimensional array of points to force the query results are as follows: The traffic violation has been recorded! Source: Non-live record instrument number/Decision ISBN/Instrument number: Not decided, no license plate number: Yue K32889 owner name: Type: illegal time: 2011-02-08&

4. PHP simulation post aspx page is unsuccessful, how to solve

Summary: The PHP emulation post aspx page is not successful following an instance return is a 0| access limit! Please reload the page should put back -2| license plate number Error <?/************************************************************************name:post &

5. How to verify the code picture Anti-processing, ask the great God advice

Introduction: How to verify the code picture Anti-processing, ask the great God teach title now there is a need to parse the app scanned image into a string due to app size restrictions need backend parsing Verification code picture features as follows no canvas interference content consists of 6-bit uppercase letters with numbers composed of text without skew or other disturbing text size color fixed captcha image size Background fixed image point like car license brother pondering 3rd don't kneel beg you big God, pointing under the idea

6. PHP generates the unique membership card number

Introduction: PHP Generate unique Membership card number when we have a large number of data to be numbered, and the number has a number of digits limit, such as 5-bit license plate number, 10-bit ID number, order serial number, short URL, etc., we can use 36 binary to calculate the number of non-repetition of the number of digits. See Demo demos? We will 0-z (0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ) represent the value 0-35, such as the letter Z for 35. In that case, I

7. PHP simulation post aspx page is unsuccessful, how to solve

Summary: The PHP emulation post aspx page is not successful following an instance return is a 0| access limit! Please reload the page should put back -2| license plate number error <?/************************************************************************name:post test

8. Another question about the PHP regular expression match text to a two-dimensional array fractional-force

Introduction: Another problem of the PHP regular expression matching text into a two-dimensional array of points to force the query results are as follows: The traffic violation has been recorded! Source: Non-live record instrument number/Decision ISBN/Instrument number: Not decided, no license plate number: Yue K32889 owner name: Type: illegal time: 2011-02-08&

9. notepad++ Batch-stop substitution

Introduction: Recently in the processing of a SQL query record, encountered some problems, after many inquiries and exploration, now summarizes the following, for example, I SQL query a table, get all the license plate, and then, I take these license plates, batch conversion to car Grade 1, car number 2,..... Car grade N, and the final result is written in a text file that's it, no spaces, no lines.

PHP through the ODBC SQL statement query can not query Chinese, how should I transcode?

Summary: The database is Informix, encoding is iso-8859-1,php encoding is GBK. From the Internet to find a variety of ways to convert, are not. The code below, where $licenseno is the license plate number, the middle of the province abbreviation is the Chinese character. "$sql. =" and B.licenseno = "". $licenseno. ""; "' will return an error as follows: ' ' warning:odbc_exec () [function.odbc-exec]: SQL error: [Informix][in

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