Method for reading graphical indicator, indicator structure and electronic apparatus thereof

10614,333

15/011674

February 01, 2016

A method for reading a graphical indicator is provided. The method includes the following steps. An indicator image including a plurality of graphical micro-units is obtained. According to a portion of the graphical micro-units, a first header part and a first content data part belonging to a first image indicator are obtained. According to another portion of the graphical micro-units, a second header part and a second content data part belonging to a second image indicator are obtained. The graphical micro-units of the first content data part are further used to obtain the indicator data. When a portion of the graphical micro-units in the first content data part is lost, the complete graphical micro-units can be obtained by recovering the lost graphical micro-units of the first content data part according to the graphical micro-units belonging to the first and the second content data parts captured in the indicator image.

SONIX Technology Co., Ltd. (Hsinchu, TW)

SONIX Technology Co., Ltd. (Hsinchu, TW)

1. A method for reading a graphical indicator, adapted to an electronic apparatus to read a graphical indicator in an indicator structure, wherein the graphical indicator comprises a header part and a content data part, wherein the header part and the content data part each comprise a plurality of graphical micro units, the method comprising: obtaining an indicator image comprising graphical micro-units from a plurality of graphical indicators; obtaining a portion of a first header part and a portion of a first content data part belonging to a first graphical indicator by reading first graphical micro-units captured in the indicator image, wherein the first graphical micro-units belong to the first graphical indicator; and obtaining a portion of a second header part and a portion of a second content data part belonging to a second graphical indicator by reading second graphical micro-units captured in the indicator image, wherein the second graphical micro-units belong to the second graphical indicator, wherein the first content data part comprises a plurality of first data blocks, each of the first data blocks has one of the first graphical micro-units, wherein a position of each of the first graphical micro-units in each of the first data blocks indicated a first segment value of each of the first data blocks, and the first segment values of all the first data blocks are combined to make up first indicator data corresponding to the first graphical indicator; and the second content data part comprises a plurality of second data blocks, each of the second data blocks has one of the second graphical micro-units, wherein a position of each of the second graphical micro-units in each of the second data blocks indicated a second segment value of each of the second data blocks, and the second segment values of all the second data blocks are combined to make up second indicator data corresponding to the second graphical indicator; identifying a relative position relationship between the first content data part and the second content data part according to the portion of the first header part and the portion of the second header part; identifying a corresponding relationship between one of the first data blocks and one of the second data blocks, wherein said one of the first data blocks and that said one of the second data blocks have consistent positions regarding the first content data part and the second content data part, wherein said one of the first data blocks and that said one of the second data blocks are captured in the indicator image, wherein the corresponding relationship between that said one of the first data blocks and that said one of the second data blocks indicates a difference between a first segment value of that said one of the first data blocks and a second segment value of that said one of the second data blocks; determining a complete set of graphical micro-units belonging to the first content data part by determining further one or more of the first data blocks according to the corresponding relationship and further one or more of the second data blocks, wherein the further one or more of the first data blocks and the further one or more of the second data blocks have consistent further positions regarding the first content data part and the second content data part, wherein the further one or more of the first data blocks are not captured in the indicator image, and the further one or more of the second data blocks are captured in the indicator image, wherein the difference between the first segment value of each of the further one or more of the first data blocks and the second segment value of each of the further one or more of the first data blocks is indicated by the corresponding relationship, wherein the first content data part is different from the second content data part, and the first indicator and the second indicator are different, wherein the complete set of graphical micro-units belonging to the first content data part is further used to obtain the first indicator data corresponding to the first graphical indicator.

2. The method according to claim 1 , wherein the content data part comprises a plurality of data blocks, each of the data blocks has one of the graphical micro-units selectively and respectively configured in one of a plurality of unit positions of the data block to indicate a segment value, and the indicator data is combined by the segment values; and the graphical micro-units of the header part are arranged in a predetermined manner to provide header information for identifying the graphical indicator, wherein according to the relative position relationship between the first graphical indicator and the second graphical indicator in the indicator structure, the segment values indicated by the data blocks having consistent positions in the first graphical indicator and in the second graphical indicator have the corresponding relationship.

3. The method according to claim 2 , wherein each of the header parts defines a distribution area of the graphical micro-units belonging to the content data part in each of the graphical indicators.

4. The method according to claim 2 , wherein the data block in each of the content data parts is a parity check block, and the segment value indicated by the data block is a bit check value used to perform a parity check on the indicator data corresponding to the graphical indicator.

5. The method according to claim 4 , further comprising: determining whether the indicator data in the first graphical indicator passes the parity check according to the parity check block in the first graphical indicator or the parity check block in the second graphical indicator.

6. The method according to claim 2 , wherein the data block in each of the content data parts is a cyclic redundancy check block, and the segment value indicated by the data block is an error-detecting code used to perform an error detection on the indicator data corresponding to the graphical indicator.

7. The method according to claim 1 , wherein a coverage of the indicator image is at least greater than one of the graphical indicators.

8. An indicator structure applicable to the method for reading the graphical indicator recited in claim 1 , the indicator structure comprising: a plurality of graphical indicators configured on a medium, wherein each of the graphical indicators is corresponding to indicator data and comprises: a content data part, comprising a plurality of data blocks, wherein each of the data blocks has one of graphical micro-units which is selectively and respectively configured in one of a plurality of unit positions of the data block to indicate a segment value, and the indicator data is combined by the segment values; and a header part, comprising a plurality of the graphical micro-units, wherein the graphical micro-units are arranged in a predetermined manner to provide header information for identifying the graphical indicator, wherein the graphical indicators comprise a first graphical indicator and a second graphical indicator, and according to the relative position relationship between the first graphical indicator and the second graphical indicator in the indicator structure, the segment values indicated by the data blocks having consistent positions in the first graphical indicator and in the second graphical indicator have the corresponding relationship.

9. The indicator structure according to claim 8 , wherein each of the header parts defines a distribution area of the graphical micro-units belonging to the content data part in each of the graphical indicators.

10. The indicator structure according to claim 8 , wherein the data block in each of the content data parts is a parity check block, the segment value indicated by the data block is a bit check value used to perform a parity check on the indicator data corresponding to the graphical indicator.

11. The indicator structure according to claim 8 , wherein the data block in each of the content data parts is a cyclic redundancy check block, and the segment value indicated by the data block is an error-detecting code used to perform an error detection on the indicator data corresponding to the graphical indicator.

12. An electronic apparatus for reading a graphical indicator in an indicator structure, wherein the graphical indicator comprises a content data part and a header part, wherein the header part and the content data part each comprise a plurality of graphical micro units, the electronic apparatus comprising: an image capture device, obtaining an indicator image comprising graphical micro-units from a plurality of graphical indicators; and a processing device, is configured to obtain a portion of a first header part and a portion of a first content data part belonging to a first graphical indicator by first reading graphical micro-units captured in the indicator image, wherein the first graphical micro-units belong to the first graphical indicator, wherein the processing device is further configured to obtain a portion of a second header part and a portion of a second content data part belonging to a second graphical indicator by reading second graphical micro-units captured in the indicator image, wherein the second graphical micro-units belong to the second graphical indicator, wherein the first content data part comprises a plurality of first data blocks, each of the first data blocks has one of the first graphical micro-units, wherein a position of each of the first graphical micro-units in each of the first data blocks indicated a first segment value of each of the first data blocks, and the first segment values of all the first data blocks are combined to make up first indicator data corresponding to the first graphical indicator; and the second content data part comprises a plurality of second data blocks, each of the second data blocks has one of the second graphical micro-units, wherein a position of each of the second graphical micro-units in each of the second data blocks indicated a second segment value of each of the second data blocks, and the second segment values of all the second data blocks are combined to make up second indicator data corresponding to the second graphical indicator, wherein the processing device is further configured to identify a relative position relationship between the first content data part and the second content data part according to the portion of the first header part and the portion of the second header part, wherein the processing device is further configured to identify a corresponding relationship between one of the first data blocks and one of the second data blocks, wherein said one of the first data blocks and that said one of the second data blocks have consistent positions regarding the first content data part and the second content data part, wherein said one of the first data blocks and that said one of the second data blocks are captured in the indicator image, wherein the corresponding relationship between that said one of the first data blocks and that said one of the second data blocks indicates a difference between a first segment value of that said one of the first data blocks and a second segment value of that said one of the second data blocks, wherein the processing device is further configured to determine a complete set of graphical micro-units belonging to the first content data part by determining further one or more of the first data blocks according to the corresponding relationship and further one or more of the second data blocks, wherein the further one or more of the first data blocks and the further one or more of the second data blocks have consistent further positions regarding the first content data part and the second content data part, wherein the further one or more of the first data blocks are not captured in the indicator image, and the further one or more of the second data blocks are captured in the indicator image, wherein the difference between the first segment value of each of the further one or more of the first data blocks and the second segment value of each of the further one or more of the first data blocks is indicated by the corresponding relationship, wherein the first content data part is different from the second content data part, and the first indicator and the second indicator are different, wherein the complete set of graphical micro-units belonging to the first content data part is further used to obtain the first indicator data corresponding to the first graphical indicator.

13. The electronic apparatus according to claim 12 , wherein each of the content data parts comprises a plurality of data blocks, each of the data blocks has one of the graphical micro-units selectively and respectively configured in one of a plurality of unit positions of the data block to indicate a segment value, and the indicator data is combined by the segment values; and each of the header parts comprises a plurality of the graphical micro-units, and the graphical micro-units are arranged in a predetermined manner to provide header information for identifying the graphical indicator, wherein according to the relative position relationship between the first graphical indicator and the second graphical indicator in the indicator structure, the segment values indicated by the data blocks having consistent positions in the first graphical indicator and in the second graphical indicator have the corresponding relationship.

14. The electronic apparatus according to claim 13 , wherein each of the header parts defines a distribution area of the graphical micro-units belonging to the content data part in each of the graphical indicators.

15. The electronic apparatus according to claim 13 , wherein the data block in each of the content data parts is a parity check block, and the segment value indicated by the data block is a bit check value used to perform a parity check on the indicator data corresponding to the graphical indicator.

16. The electronic apparatus according to claim 15 , wherein the processing device further determines whether the indicator data in the first graphical indicator passes the parity check according to the parity check block in the first graphical indicator or the parity check block in the second graphical indicator.

17. The electronic apparatus according to claim 13 , wherein the data block in each of the content data parts is a cyclic redundancy check block, and the segment value indicated by the data block is an error-detecting code used to perform an error detection on the indicator data corresponding to the graphical indicator.

18. The electronic apparatus according to claim 13 , wherein the image capture device comprises a charge-coupled device (CCD) or a complementary metal-oxide semiconductor (CMOS) image sensor, and the coverage of the indicator image captured by the image capture device is at least greater than one of the graphical indicators.

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