Image processing apparatus and method

• US 6,084,939 A
• Filed: 11/21/1997
• Issued: 07/04/2000
• Est. Priority Date: 11/26/1996
• Status: Expired due to Term

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Inventors: Tamura, Toshikazu
• Primary Examiner(s): BRUCE, DAVID VERNON
• Application Number:
  US08/976,233
• Time in Patent Office: 956 Days
• Field of Search: 378/62, 378/98, 378/98.2, 378/98.3, 378/98.5, 378/98.8
• US Class Current: 378/98.2
• CPC Class Codes: G01T 1/2928 using solid state detectors
• CPC Class Codes: H04N 23/30 for generating image signals from X-rays
• CPC Class Codes: H04N 5/32 Transforming X-rays cameras or camera modules for generating image signals from X-rays H04N23/30; circuitry of SSIS for transforming X-rays into image signals H04N25/30

Abstract

An image processing apparatus is constructed of an irradiating unit for irradiating a energetic ray to an object to be examined, a detecting unit constructed of 2-dimensional image pickup devices for converting a transmission image transmitted through the object into an optical image and picking up the optical image, a driving unit for driving the 2-dimensional image pickup devices of the detecting unit in an n-row (n is a natural number) interlaced scan, and an image display unit for displaying image data obtained by the driving of the driving unit, wherein the image display unit has a first display mode for displaying an image for all the image data obtained by the driving of the driving unit and a second display mode for forming and displaying an image of one frame by using the image data of a plurality of frames obtained by the driving of the driving unit.

Claims

1. An image processing apparatus comprising:

a) irradiating means for irradiating an energetic ray onto an object to be examined;

b) image pickup means including a plurality of pixels arranged in a two-dimensional form, said image pickup means for converting an image corresponding to the energetic ray transmitted through the object into an optical image and picking up or acquiring image information corresponding to the optical image;

c) driving means for scanning the plurality of pixels in an n-row (n is a natural number) interlaced scan; and

d) image processing means for performing image processing on the acquired image information, wherein

said image processing means includes a first mode for performing moving image processing using image data of a plurality of frames obtained from the scanning of said driving means to obtain moving image data and a second mode for synthesizing the moving image data obtained in the first mode and performing still image processing using the synthesized moving image data obtained from the synthesizing, and

said image processing means performs the still image processing in parallel with the moving image processing.

2. An apparatus according to claim 1, wherein the energetic ray is an X-ray.

3. An apparatus according to claim 1, wherein said image pickup means comprises amorphous silicon sensors.

4. An apparatus according to claim 1, wherein said image processing means includes storage means for storing the moving image data to be synthesized.

5. An apparatus according to claim 1, wherein

said image processing means includes first and second storage means for storing the image data of the plurality of frames,

said image processing means stores the image data of the plurality of frames obtained from the scanning of said driving means in the second storage means, during synthesis of the image data of the plurality of frames stored in the first storage means, and

performs the moving image processing using the image data of the plurality of frames stored in the second storage means.

6. An apparatus according to claim 1, further comprising

control means for controlling said image processing means so that the still image processing is performed at a predetermined timing, and

change means for changing an irradiation amount of the energetic ray irradiated by said irradiating means according to said control means.

7. An apparatus according to claim 1, wherein said image processing means adds image data of each of the plurality of frames and performs the moving image processing using the added image data.

8. An apparatus according to claim 1, further comprising compressing means for compressing the image data.

9. An apparatus according to claim 8, wherein said compressing means executes a loss-less compression process.

10. An apparatus according to claim 8, further comprising transmitting means for transmitting the image data compressed by said compressing means to an external unit.

11. An apparatus according to claim 8, further comprising recording means for recording the image data compressed by said compressing means on a recording medium.

12. An image processing apparatus comprising:

a) image pickup means including a plurality of pixels arranged in a two-dimensional form, for pickup up image information of an object;

b) driving means for scanning said plurality of pixels in an n-row (n is a natural number) interlaced scan; and

c) image processing means for performing image processing on the acquired image information, wherein said image processing means includes a first mode for performing moving image processing using image data of a plurality of frames obtained from the scanning of said driving means to obtain moving image data and a second mode for synthesizing the moving image data obtained in the first mode and performing still image processing using the synthesized moving image data obtained from the synthesizing, and

said image processing means performs the still image processing in parallel with the moving image processing.

13. An apparatus according to claim 12, wherein said image pickup means converts an X-ray which was irradiated from an X-ray vessel and transmitted through an object to be examined into an optical image and picks up or acquires data corresponding to the optical image.

14. An apparatus according to claim 12, wherein said image processing means includes storage means for storing the image data to be synthesized.

15. An apparatus according to claim 12, wherein

said image processing means includes first and second storage means for storing image data of the plurality of frames,

said image processing means stores the image data of the plurality of frames obtained from the scanning of said driving means in the second storage means, during synthesis of the image data of the plurality of frames stored in the first storage means, and

performs the moving image processing using the image data of the plurality of frames stored in the second storage means.

16. An apparatus according to claim 12, wherein said image processing means adds image data of each of the plurality of frames and performs the moving image processing using the added image data.

17. An apparatus according to claim 12, further comprising compressing means for compressing the image signal.

18. An apparatus according to claim 17, further comprising transmitting means for transmitting the image data compressed by said compressing means to an an external unit.

19. An apparatus according to claim 17, further comprising recording means for recording the image data compressed by said compressing means in a recording medium.

20. An apparatus according to claim 12, wherein said image processing means adds image data of each of the plurality of frames and performs the first mode using the added image data.

21. An image processing method comprising:

a scanning step of scanning a plurality of pixels arranged in a two-dimensional form using image pickup means in order to pick up or acquire image information from an object; and

an image processing step for performing image processing on the acquired image information, wherein

said image processing step includes a first mode for performing moving image processing using image data of a plurality of frames obtained from the scanning in said scanning step to obtain moving image data and a second mode for synthesizing the moving image data obtained in the first mode and performing still image processing using the synthesized moving image data obtained from the synthesizing, and

said image processing step performs the still image processing in parallel with the moving image processing.

22. An image processing apparatus comprising:

a) scanning means for scanning image information in a n-row (n is a natural number) interlaced scan; and

b) image processing means for performing image processing, wherein said image processing includes a first mode for performing an image processing using image data of a plurality of frames obtained from the scanning of said scanning means to obtain consecutive image data and a second mode for synthesizing the consecutive image data obtained in the first mode and said image processing means performs the second mode in parallel with the first mode.

23. An apparatus according to claim 22, further comprising image pickup means including a plurality of pixels arranged in a two-dimensional form for picking up said image information.

24. An apparatus according to claim 22, wherein said image processing means includes storage means or storing the image information obtained from said image pickup means and performs the first and second modes using the image information stored in said storage means.

25. An apparatus according to claim 22, wherein

said image processing means includes first and second storage means for storing image data of the plurality of frames,

said image processing means stores the image data of the plurality of frames obtained from the scanning of said scanning means in the second storage means, during synthesis of the image data of the plurality of frames stored in the first storage means, and

the first mode is performed using the image data of the plurality of frames stored in the second storage means.

26. An apparatus according to claim 22, wherein said image processing means adds image data of each of the plurality of frames and performs the first mode using the added image data.

27. An apparatus according to claim 22, further comprising interface means for inputting image information transferred on a network,

wherein said first and second processing means perform the processings by using the image information input from the network, respectively.

28. An apparatus according to claim 22, further comprising image pickup means including a plurality of pixels arranged in a two-dimensional form, said image pickup means for converting an image corresponding to an energetic ray transmitted through the object into an optical image and picking up or acquiring image information corresponding to the optical image.

29. An apparatus according to claim 28, further comprising irradiating means for irradiating the energetic ray onto the object.

30. An image processing apparatus comprising:

a) first processing means for performing a processing using image data of a plurality of frames to obtain consecutive image data,

b) second processing means for synthesizing the consecutive image data obtained in the first processing means in parallel with processing of said first processing means.

31. An apparatus according to claim 30, further comprising:

first and second storage means for storing image data of the plurality of frames; and

means for storing the image data of the plurality of frames obtained from the scanning of said driving means in said second storage means, during synthesis of the image data of the plurality of frames stored in said first storage means,

wherein the first mode is performed using the image data of the plurality of frames stored in the second storage means.

32. An apparatus accordin to claim 30, further comprising image pickup means including a plurality of pixels arranged in a two-dimensional form, said image pickup means for converting an image corresponding to an energetic ray transmitted through the object into an optical image and picking up or acquiring image information corresponding to the optical image.

33. An apparatus according to claim 32, further comprising irradiating means for irradiating the energetic ray onto the object.

34. An apparatus according to claim 30, further comprising image pickup means including a plurality of pixels arranged in a two-dimensional form for picking up image information.

35. An apparatus according to claim 34, further comprising storage means for storing the image information obtained from said image pickup means, wherein said first and second processing means perform the processings by using the image information stored in said storage means, respectively.

36. An apparatus according to claim 35, further comprising interface means for controlling to output the image information to a network,

wherein said interface means outputs the image information obtained from said image pickup means, according to a predetermined protocol.

37. An image processing apparatus comprising:

a) motion image processing means, said means displaying a motion image by using obtained image information; and

b) still image processing means for displaying a still image by using the image information used for the display of the motion image, at a predetermined timing during the display of the motion image in parallel with the processing of said motion image processing means.

38. An image processing apparatus according to claim 37, further comprising input means for instructing to display the still image during the display of the motion image,

wherein said still image processing means operates according to the instruction of said input means.

39. An apparatus according to claim 37, further comprising image pickup means including a plurality of pixels arranged in a two-dimensional form, said image pickup means for converting an image corresponding to an energetic ray transmitted through the object into an optical image and picking up or acquiring image information corresponding to the optical image.

40. An apparatus according to claim 39, further comprising irradiating means for irradiating the energetic ray onto the object.

41. An image processing apparatus comprising:

a) interface means for inputting image information transferred on a network;

b) motion image processing means for displaying a motion image by using image information obtained from said interface means; and

c) still image processing means for displaying a still image by using the image information used for the display of the motion image, at a predetermined timing during the display of the motion image in parallel with the processing of said motion image processing means.

42. An image processing apparatus comprising:

a) interface means for inputting image information transferred on a network and controlling to output image information to the network;

b) image pickup means for picking up image information of an object;

c) motion image processing means for displaying a motion image by using the image information obtained from said image pickup means or the image information obtained from said interface means; and

d) still image processing means for displaying a still image by using the image information used for the display of the motion image, at a predetermined timing during the display of the motion image in parallel with the processing of said motion image processing means.

43. An image processing apparatus according to claim 42, further comprising input means for instructing to display the still image during the display of the motion image,

wherein said still image processing means operates according to the instruction of said input means.

44. An image processing apparatus according to claim 42, wherein said interface means outputs the image information obtained from said image pickup means, according to a predetermined standard.

45. An image processing apparatus according to claim 42, further comprising input means for instructing to display the still image during the display of the motion image,

wherein said still image processing means operates according to the instruction of said input means.