Claims
- 1. An image pickup apparatus with a horizontal line interpolation function comprising:
- a plurality of solid state image pickup elements for obtaining different three chrominance signals including chrominance signal C1, chrominance signal C2, and chrominance signal C3;
- a first vertical phase shift section for shifting the vertical phase of the chrominance signal C2 by a specified pitch p1 with respect to the chrominance signal C1;
- second vertical phase shift section for shifting the vertical phase of the chrominance signal C3 by a specified pitch p2;
- a frame calculation circuit for obtaining a pseudo frame signal from the chrominance signal C1 and the chrominance signals C2 and C3 phase-shifted in a vertical direction; and
- a frame still image circuit for obtaining a frame still image from output signals of said frame calculation circuit.
- 2. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein said plurality of solid state image pickup elements for obtaining the different three chrominance signals C1, C2, and C3 comprises a first solid state image pickup element for obtaining the chrominance signal C1, a second solid state image pickup element for obtaining the chrominance signal C2, and a third solid state image pickup element for obtaining the chrominance signal C3.
- 3. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein said first vertical phase shift section and said second vertical phase shift section are disposed so that the solid state image pickup elements are located so as to be spatially shifted in a vertical direction by specified pitches p1 and p2.
- 4. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein said first vertical phase shift section and said second vertical phase shift section comprise a drive control circuit for controlling a drive circuit for driving the solid state image pickup elements.
- 5. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein said first vertical phase shift section and said second vertical phase shift section comprise a drive control circuit for controlling a drive circuit for driving the solid state image pickup elements and said solid state image pickup elements are located so as to be spatially shifted in a vertical direction by a specified pitch.
- 6. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, further comprising a drive control circuit for performing frame storage drive control and, at the same time, odd-field reading is performed using some of the plurality of image pickup elements while even-field reading is performed using other ones of the image pickup elements.
- 7. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, further comprising a drive control circuit for performing field storage drive control and, at the same time, odd-field reading is performed using some of the plurality of image pickup elements while even-field reading is performed using other ones of the image pickup element.
- 8. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein values of the specified pitches p1 and p2 satisfy the conditions 0.ltoreq.p1<1 and 0.ltoreq.p2<1, respectively.
- 9. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein the specified pitches p1 and p2 are quantities corresponding to a 1/2 line portion of one field image.
- 10. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein the specified pitches p1 and p2 are set as p1=p2=p.
- 11. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein said plurality of solid state image pickup elements comprise a first solid state image pickup element for obtaining the chrominance signal C1 and a second solid state image pickup element for obtaining the chrominance signals C2 and C3, and wherein the specified pitches are p1=p2=p3 where p3 is a specified pitch.
- 12. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 11, wherein the value of the specified pitch p3 satisfies a condition of 0.ltoreq.p3<1.
- 13. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 11 or 12, wherein the specified pitch p3 is an quantity corresponding to a 1/2 line portion of a video signal to be interlace-scanned.
- 14. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein the chrominance signal C1, the chrominance signal C2, and the chrominance signal C3 are three chrominance signals R, G, and B.
- 15. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 1, wherein the chrominance signal C1, the chrominance signal C2, and the chrominance signal C3 are three chrominance signals R, G, and B, and wherein C1=G.
- 16. An image pickup apparatus with a horizontal line interpolation function comprising:
- means for obtaining different three chrominance signals C1, C2, and C3;
- a first vertical phase shift section for shifting the vertical phase of the chrominance signal C2 by a specified pitch p1 with respect to the chrominance signal C1;
- a second vertical phase shift section for shifting the vertical phase of the chrominance signal C3 by a specified pitch p2;
- a frame calculation circuit for obtaining a pseudo frame signal from the chrominance signal C1 and the chrominance signals C2 and C3 phase-shifted in a vertical direction; and
- a frame still image circuit for obtaining a frame still image from output signals of said frame calculation circuit.
- 17. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 16, wherein said frame calculation circuit generates a plurality of signals from the three chrominance signals C1, C2, and C3 different in phase, and wherein the plurality of signals are in a positional relation of a frame signal.
- 18. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 16, wherein said frame calculation circuit generates a luminance signal or a color-difference signal from the three chrominance signals C1, C2, and C3 different in phase, and wherein at least the luminance signal are a plurality of signals, and the plurality of luminance signals are in a positional relation of field signals which form a frame signal.
- 19. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 16, wherein said frame still image circuit generates a first field image signal and a second field image signal from output signals of the frame calculation circuit.
- 20. The image pickup apparatus with a horizontal line interpolation function as claimed in claim 16, 17, 18, or 33, wherein said frame still image circuit generates an image signal having scanning lines of the number in a frame in one field period from output signals of the frame calculation circuit.
Priority Claims (5)
Number |
Date |
Country |
Kind |
4-195095 |
Jul 1992 |
JPX |
|
4-195096 |
Jul 1992 |
JPX |
|
4-195097 |
Jul 1992 |
JPX |
|
4-195099 |
Jul 1992 |
JPX |
|
5-015171 |
Feb 1993 |
JPX |
|
Parent Case Info
This application is a division of application Ser. No. 08/211,151, filed as PCT/JP93/01002 Jul. 19, 1993, (status: pending).
US Referenced Citations (7)
Foreign Referenced Citations (6)
Number |
Date |
Country |
0477884 |
Apr 1992 |
EPX |
55-130284 |
Oct 1980 |
JPX |
56-54115 |
Dec 1981 |
JPX |
59-160390 |
Sep 1984 |
JPX |
2-61248 |
Dec 1990 |
JPX |
405292514 |
May 1993 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
211151 |
Mar 1994 |
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