Merge pull request antlr#1630 from teverett/parkingsign

commit parking sign

Author: teverett

parkingsign/README.md

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+# parking-signs
+Los Angeles parking sign images and grammar to parse them.  Use ANTLR to generate a parser from the grammar file (.g4).
+
+TestExamples.txt has the text recognition output for a set of example signs that can be read by the parser.

parkingsign/examples/example1.txt

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+NO PARKING 9AM TO 12 NOON MONDAY STREET CLEANING
+NO PARKING 8AM - 10AM TUESDAY STREET CLEANING
+8AM TO 10 AM TUESDAY STREET SWEEPING
+9AM TO 12NOON MONDAY STREET SWEEPING
+NO PARKING 6PM TO 8AM NIGHTLY
+NO PARKING 6PM TO 8AM
+NO PARKING ANY TIME
+NO PARKING ANY TIME EXCEPT
+NO STOPPING 7AM TO 9AM 4PM TO 7PM EXCEPT SATURDAY & SUNDAY
+TOW AWAY NO STOPPING 7 TO 9A.M. 4 TO 7P.M. EXCEPT SAT & SUN
+TOW AWAY VALET PARKING ONLY 6PM TO 3AM NIGHTLY
+PASSENGER LOADING ONLY 6PM TO 1AM
+4 HOUR PARKING 8AM TO 6PM EXCEPT SUNDAY
+2 HOUR PARKING 8AM TO 6PM DAILY
+1 HOUR PARKING 8AM TO 4PM EXCEPT SUNDAY
+2 HOUR PARKING 8AM THRU 6PM MONDAY THRU FRIDAY
+15 MIN PARKING 7AM TO 5PM SCHOOL DAYS
+2 HOUR PARKING 8AM TO 6PM
+2 HOUR PARKING MON TO SAT SUN 8 AM 11 AM TO TO 11 AM 8 PM
+2 HOUR PARKING MON TO SAT SUNDAY 8 AM 11 AM TO TO 6 PM 6 PM EXCEPT HOLIDAYS
+TOW-AWAY TEMPORARY NO PARKING 6:30AM TO 4PM EXCEPT SATURDAY & SUNDAY
+TOW-AWAY TEMPORARY NO PARKING 5PM TO MIDNIGHT MONDAY THRU FRIDAY
+TOW-AWAY TEMPORARY NO PARKING 11AM TO 11PM SATURDAY & SUNDAY
+TOW-AWAY TEMPORARY NO PARKING ANYTIME THURSDAY ONLY
+DISTRICT NO. 78 PERMITS EXEMPT
+VEHICLES WITH DISTRICT NO. 78 PERMITS EXEMPTED
+DISTRICT NO.34 PERMITS EXEMPT