ELECTRONIC DEVICE AND METHOD FOR RECOGNIZING CHARACTER IN ELECTRONIC DEVICE

• US 20150146992A1
• Filed: 05/30/2014
• Published: 05/28/2015
• Est. Priority Date: 11/26/2013
• Status: Abandoned Application

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Yeom, Dong-Hyun
• Application Number:
  US14/292,594
• Publication Number:
  US 20150146992A1
• Time in Patent Office: Days
• US Class Current: 382/229
• CPC Class Codes: G06V 30/10 Character recognition
• CPC Class Codes: G06V 30/142 using hand-held instruments; Constructional details of the instruments
• CPC Class Codes: G06V 30/1478 of characters or characters lines

Abstract

An electronic device and a method are provided for recognizing a character in the electronic device. The electronic device includes a display unit configured to, upon receipt of an image in a real-time character recognition method, display a character recognition area defined for character recognition adjusted to an inclination angle of an object included in the received image. The electronic device also includes a controller configured to detect the inclination angle of the object included in the image, to adjust an angle of the character recognition area defined for character recognition to the inclination angle of the object, and to control recognition of a character from the object in the angle-adjusted character recognition area.

Claims

1. An electronic device comprising:

a display unit configured to, upon receipt of an image in a real-time character recognition method, display a character recognition area defined for character recognition adjusted to an inclination angle of an object included in the received image; and

a controller configured to detect the inclination angle of the object included in the image, to adjust an angle of the character recognition area defined for character recognition to the inclination angle of the object, and to control recognition of a character from the object in the angle-adjusted character recognition area.

2. The electronic device of claim 1, wherein the controller is configured to recognize an object in the received image based on a first reference, detect a first reference line using the recognized object, detect an inclination angle of the object with respect to the first reference line, adjust the angle of the character recognition area to the inclination angle of the object, and upon recognition of a character from the object in the angle-adjusted character recognition area, switch to a first-direction character recognition scheme.

3. The electronic device of claim 2, wherein the controller is configured to set an angle r to 0 and a weight k to 1 and each time a character is recognized from the object located in the angle-adjusted character recognition area, increase the weight k.

4. The electronic device of claim 2, wherein if the electronic device moves in the first-direction character recognition scheme, the controller is configured to detect an angle of the electronic device changed by the movement of the electronic device, adjust the angle of the character recognition area to the angle of the electronic device, recognize a character from the object in the angle-adjusted character recognition area, and, upon recognition of a character from the object, increase the weight k.

5. The electronic device of claim 4, wherein if the electronic device moves, the controller is configured to determine a type of the movement of the electronic device and, if the movement of the electronic device is a vertical movement involving inclination of the electronic device, the controller is configured to detect the angle of the electronic device.

6. The electronic device of claim 2, wherein the first-direction character recognition scheme is a horizontal character recognition scheme.

7. The electronic device of claim 2, wherein if the electronic device moves in the first-direction character recognition scheme, the controller is configured to determine whether the movement of the electronic device is a scheme switch triggering movement and, if the movement of the electronic device is a scheme switch triggering movement, the controller is configured to switch to a second-direction character recognition scheme.

8. The electronic device of claim 7, wherein if a variation in the movement of the electronic device or a difference between a current received image and a previous received image is equal to or higher than a threshold, the controller is configured to determine that the movement of the electronic device is a scheme switch triggering movement.

9. The electronic device of claim 7, wherein if the movement of the electronic device is a scheme switch triggering movement, the controller is configured to recognize the object in the received image based on the first reference, detects the first reference line using the recognized object, detect the inclination angle of the object with respect to the first reference line, adjust the angle of the character recognition area to the inclination angle of the object, switch to the second-direction character recognition scheme if a character is not recognized from the object in the angle-adjusted character recognition area, and reset the angle r to 0 and the weight k to 1, upon switching to the second-direction character recognition scheme.

10. The electronic device of claim 7, wherein the controller is configured to recognize an object in the received image based on a second reference, detect a second reference line using the recognized object, detect an inclination angle of the object with respect to the second reference line, adjusts the angle of the character recognition area to the inclination angle of the object, recognize a character from the object in the angle-adjusted character recognition area, and if a character is recognized from the object in the angle-adjusted character recognition area, increase the weight k.

11. The electronic device of claim 7, wherein if the electronic device moves in the second-direction character recognition scheme, the controller is configured to detect an angle of the electronic device changed by the movement of the electronic device, adjust the angle of the character recognition area to the angle of the electronic device, recognize the object in the angle-adjusted character recognition area, and, if a character is recognized from the object in the angle-adjusted character recognition area, increase the weight k.

12. The electronic device of claim 11, wherein if the electronic device moves, the controller is configured to determine a type of the movement of the electronic device and, if the movement of the electronic device is a vertical movement involving inclination of the electronic device, detect the angle of the electronic device.

13. The electronic device of claim 7, wherein the second-direction character recognition scheme is a vertical character recognition scheme.

14. The electronic device of claim 1, further comprising a short-range communication unit configured to connect the electronic device to another electronic device,

wherein the controller is configured to control transmission of the recognized character to the other electronic device to allow display of the recognized character on the other electronic device, and

wherein the controller is configured to control transmission of the received image to the other electronic device to allow the other electronic device to perform character recognition on the image.

15. The electronic device of claim 1, further comprising a memory configured to store the recognized image in the real-time character recognition method,

wherein the controller is configured to control storing of the recognized character in the memory in the real-time character recognition method.

16. A method for recognizing a character in an electronic device, the method comprising:

detecting an inclination angle of an object included in a received image in a real-time character recognition method;

adjusting an angle of a character recognition area defined for character recognition to the inclination angle of the object; and

recognizing a character from the object in the angle-adjusted character recognition area.

17. The method of claim 16, further comprising:

recognizing an object in the received image based on a first reference;

detecting a first reference line using the recognized object;

detecting an inclination angle of the object with respect to the first reference line;

adjusting the angle of the character recognition area to the inclination angle of the object; and

upon recognition of a character from the object in the angle-adjusted character recognition area, switching to a first-direction character recognition scheme.

18. The method of claim 17, wherein an angle r is set to 0 and a weight k is set to 1, and

wherein each time a character is recognized from the object in the angle-adjusted character recognition area, the weight k is increased.

19. The method of claim 17, if the electronic device moves in the first-direction character recognition scheme, further comprising:

detecting an angle of the electronic device changed by the movement of the electronic device;

adjusting the angle of the character recognition area to the angle of the electronic device;

recognizing a character from the object in the angle-adjusted character recognition area; and

upon recognition of a character from the object, increasing the weight k.

20. The method of claim 19, wherein the detecting of an angle of the electronic device comprises:

if the electronic device moves, determining a type of the movement of the electronic device; and

if the movement of the electronic device is a vertical movement involving inclination of the electronic device, detecting the angle of the electronic device.

21. The method of claim 17, wherein the first-direction character recognition scheme is a horizontal character recognition scheme.

22. The method of claim 17, if the electronic device moves in the first-direction character recognition scheme, further comprising:

determining whether the movement of the electronic device is a scheme switch triggering movement; and

if the movement of the electronic device is a scheme switch triggering movement, switching to a second-direction character recognition scheme.

23. The method of claim 22, wherein the determining comprises, if a variation in the movement of the electronic device or a difference between a current received image and a previous received image is equal to or higher than a threshold, determining that the movement of the electronic device is a scheme switch triggering movement.

24. The method of claim 22, wherein if the movement of the electronic device is a scheme switch triggering movement, the switching comprises:

recognizing the object in the received image based on the first reference;

detecting the first reference line using the recognized object;

detecting the inclination angle of the object with respect to the first reference line;

adjusting the angle of the character recognition area to the inclination angle of the object;

if a character is not recognized from the object in the angle-adjusted character recognition area, switching to the second-direction character recognition scheme; and

resetting the angle r to 0 and the weight k to 1, upon switching to the second-direction character recognition scheme.

25. The method of claim 22, further comprising:

recognizing an object in the received image based on a second reference;

detecting a second reference line using the recognized object;

detecting an inclination angle of the object with respect to the second reference line;

adjusting the angle of the character recognition area to the inclination angle of the object;

recognizing a character from the object in the angle-adjusted character recognition area; and

if a character is recognized from the object in the angle-adjusted character recognition area, increasing the weight k.

26. The method of claim 22, wherein if the electronic device moves in the second-direction character recognition scheme, further comprising:

detecting an angle of the electronic device changed by the movement of the electronic device;

adjusting the angle of the character recognition area to the angle of the electronic device;

recognizing the object in the angle-adjusted character recognition area; and

if a character is recognized from the object in the angle-adjusted character recognition area, increasing the weight k.

27. The method of claim 26, wherein the detecting of an angle of the electronic device comprises:

if the electronic devices moves, determining a type of the movement of the electronic device; and

if the movement of the electronic device is a vertical movement involving inclination of the electronic device, detecting the angle of the electronic device.

28. The method of claim 22, wherein the second-direction character recognition scheme is a vertical character recognition scheme.

29. The method of claim 16, further comprising, upon recognition of a character in the real-time character recognition method, transmitting the recognized character to another electronic device connected to the electronic device by short-range communication to allow display of the recognized character on the other electronic device, and upon receipt of an image, transmitting the received image to the other electronic device to allow the other electronic device to perform character recognition on the image.

30. The method of claim 16, further comprising, upon recognition of a character in the real-time character recognition method, storing the recognized image.