WO2004107741A1 - 撮像装置及び撮像方法 - Google Patents
撮像装置及び撮像方法 Download PDFInfo
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- WO2004107741A1 WO2004107741A1 PCT/JP2004/007664 JP2004007664W WO2004107741A1 WO 2004107741 A1 WO2004107741 A1 WO 2004107741A1 JP 2004007664 W JP2004007664 W JP 2004007664W WO 2004107741 A1 WO2004107741 A1 WO 2004107741A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/745—Circuitry for generating timing or clock signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/95—Computational photography systems, e.g. light-field imaging systems
- H04N23/951—Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/76—Circuitry for compensating brightness variation in the scene by influencing the image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/42—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by switching between different modes of operation using different resolutions or aspect ratios, e.g. switching between interlaced and non-interlaced mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/40—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled
- H04N25/46—Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by combining or binning pixels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/50—Control of the SSIS exposure
- H04N25/53—Control of the integration time
Definitions
- the present invention relates to an imaging device using a solid-state imaging device, and more particularly to an imaging device and an imaging method for imaging a subject with high sensitivity.
- the image temporarily stored in the memory is stored in the CCD imaging device. Completion is done by outputting during the time.
- Japanese Patent Application Laid-Open No. 9-1 6 8 1 1 8 stores an even field image or an odd field image in a field memory and stores even field images stored in the field memory during long exposure. It reads out the image of the first or odd field and complements it. Therefore, when applied to equipment based on the current television standard that performs interlaced scanning, the same image will be output in the even field and the odd field for the long exposure image. There is a problem that the vertical resolution is halved and it is not practical for moving images.
- An object of the present invention is to provide a novel imaging apparatus and imaging method that can solve the problems of the prior art.
- Another object of the present invention is to capture a subject with the output sensitivity required by the user without degrading the image quality when high-quality images are required, and require high output sensitivity. Therefore, it is an object of the present invention to provide an imaging apparatus and an imaging method for imaging a subject with an output sensitivity required by a user while minimizing a decrease in image quality.
- An imaging apparatus reads a solid-state imaging element that performs photoelectric conversion according to received imaging light, and charges accumulated in the solid-state imaging element every n (n is a natural number) frames, and outputs a CCD output signal.
- the first mode which is the imaging mode to be output, and the charge accumulated in the solid-state image sensor are read out for each m (m is a natural number) field, and the odd numbered charge adjacent to the read charge in the vertical direction and the even numbered charge Switching means for switching between the second mode, which is an imaging mode for outputting the CCD output signal by adding the charge while changing the combination for each m field, and the imaging device according to the imaging request with low output sensitivity Control that switches the imaging mode of the imaging device to the first mode, and switches the imaging mode of the imaging device to the second mode in response to a request for imaging with high output sensitivity.
- the imaging method according to the present invention performs photoelectric conversion with a solid-state imaging device in accordance with received imaging light, and changes the charge accumulated in the solid-state imaging device to n (n is a natural number) ) Read out every frame and switch to the first mode, which is an imaging mode that outputs a CCD output signal, and m (m is the charge accumulated in the solid-state imaging device in response to an imaging request with high output sensitivity. (Natural number) An imaging mode that reads out each field and adds the odd-numbered charges adjacent in the vertical direction of the read-out charges and even-numbered charges while changing the combination for each m field and outputs the CCD output signal Switch to the second mode, and take an image.
- FIG. 1 is a block diagram showing a configuration of an imaging apparatus according to the present invention.
- FIG. 2 is a diagram showing an example of the relationship between the first mode and the second mode that are switched according to the gain amount.
- Figure 3 shows the relationship between the first mode and the second mode, which switch according to the charge accumulation time. It is the figure which showed an example of engagement. '
- FIG. 4 is a diagram showing an example of the relationship between the first mode and the second mode that are switched according to the gain amount and the charge accumulation time.
- FIG. 5A to FIG. 51 are timing charts for explaining the operation of the imaging device when reading the accumulated charges in the first mode in the long-time accumulation mode.
- FIG. 6 is a diagram showing the state of the imaging apparatus when the rear-out mask signal is in one mouth section.
- Fig. 7 shows the state of the imaging device when the read-out mask signal is in the ⁇ -interval.
- FIGS. 8A to 8I are evening charts for explaining the operation of the imaging device when the accumulated charge is read in the second mode in the long-time accumulation mode.
- an imaging device 20 according to the present invention will be described with reference to FIG.
- the imaging apparatus 20 includes a CCD imaging device 1, a CD S 2 composed of CDS (Correlated Double Sampling Circuits) 2 a, 2 b, and 2 c, a gain variable amplifier 3, , AZD (Analog to Digital) converter 4, bus switch 5 consisting of bus switches 5 a, 5 b, 5 c, frame memory 6, image signal processing block 7, user interface 8, and CPU (Central Processing) Unit) 9, timing generation circuit 10, and switch 1 1.
- CDS Correlated Double Sampling Circuits
- AZD Analog to Digital
- bus switch 5 consisting of bus switches 5 a, 5 b, 5 c, frame memory 6, image signal processing block 7, user interface 8, and CPU (Central Processing) Unit) 9, timing generation circuit 10, and switch 1 1.
- the CCD imaging device 1 is a three-plate CCD imaging device having three CCD la, lb, and lc. Although not shown, the CCD imaging device 1 is provided with a dichroic prism that transmits or reflects incident light incident from an imaging lens (not shown) and performs color separation on each CCD la, lb. , Lc are incident R (Red) light, G (Green) light, and B (Blue) light with different wavelength regions separated by the dichroic prism.
- CCD 1, lb, and lc are two-dimensionally arranged with multiple pixels consisting of photoelectric conversion elements such as photodiodes. The light incident on this photoelectric conversion element is photoelectrically converted in units of pixels, and the amount of light depends on the light quantity.
- the CCD la, lb, and lc output the charges for each line of the two-dimensional array by transferring the accumulated charges vertically and further horizontally.
- the charges output from CCD la, lb, and 1c are supplied to CDS 2a, 2b, and 2c as CCD output signals, respectively.
- Charges stored in CCDs l a, l b, and l c are read out by frame readout or field readout.
- Frame readout is a method of reading out the charge accumulated in a two-dimensional array of CCDs la, lb, and 1c for 1 frame time, that is, 1/30 second.
- the charge accumulated in every other odd-numbered (odd line) pixel in the vertical direction of a two-dimensionally arranged photodiode as a CCD output signal corresponding to an odd-field video signal.
- the charge accumulated in the remaining even-numbered pixels (even lines) is read out as a CCD output signal corresponding to the video signal in the even field.
- field readout is a method of reading out the charge accumulated in one-field time, that is, 1/60 second, to the photodiodes arranged two-dimensionally in CCDs la, lb, and lc.
- field readout adjacent odd-line pixels and even-line pixels of two-dimensionally arranged photodiodes are read out, and the added charge is used as the CCD output signal corresponding to the video signal in the odd field.
- the charge obtained by changing the combination of the odd line and the even line is used as the CCD output signal corresponding to the video signal in the even field.
- Frame readout has the advantage that the vertical resolution is slightly higher than field readout in which the charge of each pixel is read out independently and added to the output of two pixels.
- the charge accumulation time in each pixel is 1 to 30 seconds
- the charge accumulation time in field readout is twice as long as 1/60 seconds.
- the previous image appears as a residual afterimage, so that the image quality deteriorates due to a so-called frame afterimage.
- field readout has less frame afterimages because the readout interval of the charge accumulated in each pixel, ie, the charge accumulation time is 1/60 second, which is 1/2 the length of frame readout. Therefore, there is an advantage that the dynamic resolution is superior to the frame reading.
- field readout adds and outputs the charge of two pixels, so the vertical resolution is inferior to that of frame readout during long exposure, but double charge is read out with the same charge accumulation time, resulting in high sensitivity. There is an advantage that the image can be obtained.
- the mode in which charges are read from the CCD la, lb, 1c by frame reading is called the first mode
- the mode in which charges are read by field reading is called the second mode.
- the accumulation time of the charge accumulated in the two-dimensionally arranged photodiode is the shortest accumulation time in each readout mode. Long time exposure that is several times natural can be performed.
- the charge accumulation time in the photodiode in frame readout, which is the first mode, can be set to 1 Z 30 seconds X n (n is a natural number), which is the second mode.
- the charge accumulation time in field readout, can be set to 1/60 seconds Xm (m is a natural number).
- the imaging device 20 When the imaging device 20 according to the present invention performs long exposure, according to the exposure time specified by the user, the charge is read by the frame reading which is the first mode or the field reading which is the second mode. Whether to read out charges is determined by the CPU 9, and the evening-time generation circuit 10 executes charge reading control corresponding to each mode.
- CDS 2 a, 2 b and 2 c remove the noise contained in the CCD output signal output from CCD la, lb and lc and generate a video signal.
- CDS 2 a, 2 b, 2 The video signal from which noise has been removed in c is supplied to the variable gain amplifier 3.
- the gain variable amplifier 3 adjusts the gain (gain) of the video signal supplied from the CDS 2 a, 2 b, 2 c according to a request from the user input via the user interface 8 described later. For example, if the subject is sufficiently bright, the user may request a low gain to obtain a high-quality image with little noise. If the subject is not bright enough, the noise will Although it increases, it demands that the gain be increased by giving priority to imaging the subject.
- the video signal whose gain has been adjusted by the variable gain amplifier 3 is supplied to the A / D converter 4.
- the AZD Comparator 4 converts the analog video signal supplied from the variable gain amplifier 3 into a digital video signal. AZD Comparator 4 outputs the converted digital video signal to bus switch 5.
- Bus switch 5 controls the output of digital video signal supplied from A / D converter 4 to frame memory 6 and image signal processing block 7 by turning OFF the switch according to the control by timing generation circuit 10. To do.
- the bus switch 5 is controlled so that the CCD la, lb, 1c is set to OF F during the charge accumulation time, since no charge is read out from each CCD la, lb, 1c during CCD la, lb, 1c.
- the charge accumulation time is over, it is controlled to be 0 N.
- the path switch 5 is turned on, the digital video signal output from the A / D comparator 4 is supplied to the frame memory 6 and the image signal processing block 7.
- the frame memory 6 is a SDRAM (Synchronous Dynamic Random Access Memory) having a predetermined capacity, and stores a digital video signal supplied from the A / D converter 4 via the path switch 5.
- the digital video signal stored in the frame memory 6 is a video signal for complementation during the charge accumulation time when performing long exposure, that is, during the period when no charge is read from each CCD la, lb, 1 c. It is.
- the image signal processing block 7 performs luminance signal processing, color signal processing, contour processing on the digital video signal supplied from the AZD converter 4 via the bus switch 5 or the complementary digital video signal read from the frame memory 6. Performs correction processing and encoding processing, DA converts, and outputs as analog luminance signal and chromaticity signal.
- the user interface 8 includes an operation button for inputting a request from a user and operating various functions of the imaging device 20, a display unit such as an LCD (Liuid Crystal Display), and the like.
- a display unit such as an LCD (Liuid Crystal Display), and the like.
- a GUI Graphic User Interface
- the user follows the GUI to take an imaging start command, an imaging stop command, etc. Enter.
- the user interface 8 can input a gain amount for the video signal adjusted by the variable gain amplifier 3 described above.
- the user interface 8 can also input an exposure time when the imaging device 20 is exposed for a long time.
- the imaging device 20 is switched to the long exposure mode.
- the CPU 9 is a control unit that comprehensively controls the imaging device 20.
- the CPU 9 controls the operation of various functions of the imaging device 20 in accordance with a command input from the user interface 8.
- the CPU 9 supplies a gain control signal to the gain variable amplifier 3 according to the amount of gain input from the user interface 8, and the gain of the video signal output from the CDS 2a, 2b, 2c. Control to adjust.
- the CPU 9 performs the first mode or the second mode, which is a mode for reading charges from the CCD la, lb, 1 c according to the gain amount input from the user interface 8.
- a mode control signal designating any of the above is output to the evening imm generation circuit 10.
- the CPU 9 uses a table as shown in FIG. 2 and designates a mode for reading charges from C CD 1 a, lb, 1 c according to the gain amount. As shown in Figure 2, CPU 9 has the first gain when the gain is low, 0 dB, 6 dB, and 12 dB. This mode is specified, and the second mode is specified when the gain is as high as 18 dB, 24 dB, or 30 dB.
- the user specifies a high gain, the subject is not bright enough, and even if it contains a little noise, it seems that they want to capture the subject somehow.
- the CPU 9 is a first mode or a second mode which is a mode for reading out charges from the CCD la, lb, 1 c according to the charge accumulation time inputted from the user interface 8.
- a mode control signal that specifies either of these is output to the evening generation circuit 10.
- the CPU 9 uses a table as shown in FIG. 3 and designates a mode for reading charges from C CD la, lb, 1c according to the charge accumulation time.
- CPU 9 designates the first mode when the charge accumulation time is relatively short, 1 frame, 2 frames, 4 frames, 8 frames, and 16 frames.
- the second mode is specified when the charge accumulation time is long, such as a frame, 32 frames or 64 frames.
- the second mode is the same as the first mode because the CCD la, lb, and 1c odd line charges and the even line charges are added to form even field and odd field digital video signals.
- the sensitivity is doubled.
- the CPU 9 specifies that the first mode with lower sensitivity but higher vertical resolution than the second mode because the user may not need much sensitivity when reducing the charge accumulation time. .
- the second mode that can capture images with high sensitivity is specified although the vertical resolution is low.
- the CPU 9 performs the first mode or the second mode according to the gain amount.
- the gain amount and the charge accumulation time are parameterized. It is also possible to specify the first mode or the second mode as evening.
- the tendency for the first mode and the second mode to be specified is the same as in Fig. 2 and Fig. 3.
- a second mode is specified that increases sensitivity as the charge accumulation time is increased.
- Fig. 2, Fig. 3, and Fig. 4 are all examples, and the second mode is designated by CPU 9 as the gain amount increases and the charge accumulation time increases. Except for this, the values may be completely different, and the present invention is not limited by the values shown in FIG. 2, FIG. 3, and FIG.
- the timing generation circuit 10 generates a lead-out pulse signal (CCD read out pulse) that controls the read timing of the charges accumulated in the CCD la, lb, and 1 c according to the mode control signal output from the CPU 9.
- CCD read out pulse a lead-out pulse signal
- the timing generation circuit 10 detects the CCD la, lb, and 1 c photodetectors according to the mode control signal output from the CPU 9.
- a charge-out mask signal (Readout- Mask) is generated to switch the switch 1 1 so that the lead-out pulse signal is not supplied to C CD 1 a, 1 b, 1 c. To do.
- timing generation circuit 10 controls ON / OFF of the bus switch 5, writing of the digital video signal to the frame memory 6, and reading of the written digital video signal in the long exposure mode.
- Such an image pickup device 20 is controlled by the CPU 9 in the first mode in which an image with high vertical resolution is obtained in accordance with an increase in gain amount and an increase in charge accumulation time (exposure time). Switch to the second mode where high image quality can be obtained, and to switch the readout mode for the charges accumulated in CCD la, lb, 1c.
- the operation of the imaging device 20 when the first mode which is a frame reading mode, is designated by the CPU 9 in the long exposure mode.
- the operation of the imaging device 20 when the second mode, which is the mode for reading the field, is designated by the CPU 9 in the long exposure mode will be described.
- FIG. 5A The charge accumulation time for C CD la, 1 b, 1 c is the accumulation time for 3 frames.
- the frame synchronization signal shown in FIG. 5A is a signal indicating the start of a frame
- the field 1/2 identification signal shown in FIG. 5B is an odd field in the low period of the pulse signal. This is a pulse signal that indicates that the current field is an even field in the High section.
- the CCD operation mode shown in Fig. 5C shows how CCD la, lb, and 1c are currently operating.
- the lead-out mask signal shown in Fig. 5D shows the signal output from the timing generator circuit 10 to the switch 11 and the read-out pulse signal shown in Fig. 5E and Fig. 5F is sent from the timing generator circuit 10 to the switch.
- This signal is output to C CD 1 a, lb, 1 c via 1 1 and specifies the readout timing of the accumulated charge.
- the lead-out signal shown in Fig. 5E is a signal supplied to read out charge from the even-numbered photodiodes of CCD la, lb, 1c, and the lead-out signal shown in Fig. 5F is the odd-numbered line. This signal is supplied to read out the charge from the photodiode.
- FIG. 5G shows an image of the video signal due to the charges read from the CCDs la, 1b, 1c.
- FIG. 5H shows the operating state of the frame memory 6
- FIG. 51 shows an image of the video signal input to the image signal processing block 7.
- the timing generator circuit 10 reads out the odd lines of the CCD la, lb, 1 c photodiodes in the odd field period and C in the even field period.
- a read-out signal that reads the even line of the photodiode on CD 1a is output.
- 5E and 5F indicate the phase of the lead-out pulse signal that would be output if the lead-out pulse signal was not masked by the lead-out mask signal. .
- the timing generation circuit 10 outputs a lead-out mask signal so that the lead-out signal is valid only once every three frames.
- the lead-out mask signal output from the timing generator circuit 10 is supplied to the switch 11 1 and is restricted so that the lead-out signal is not supplied to the CCD 1 a, l b, and l c in the high period.
- the lead-out signal is supplied to the CCD la, lb, and 1c via the switch 11 in the section of the mouth of the lead-out mask signal.
- the signal and the video signal based on the charges accumulated in the even lines are read out every 3 frames.
- timing generation circuit 10 is in the low section of the lead-out mask signal. Then, the bus switch 5 is controlled to be turned ON, and further, a signal permitting writing of the video signal is output to the frame memory 6 as shown in FIG. 5H.
- Video signals read from CCD 1 a, lb and 1 c are sent to CDS 2, variable gain amplifier 3, A / D converter 4, and switch 5 as image signals as shown in frame memory 6 and Fig. 5 I. Supplied to processing block 7.
- FIG. 6 shows the state of the imaging device 20 in the mouth section of the rear mask signal.
- the readout pulse signal is supplied from the timing generation circuit 10 through the switch 1 1 to the CCDs 1 a, lb, 1 c, the bus switch 5 is also turned on, and the frame memory 6 Is supplied with a write permission signal from the timing generation circuit 10.
- the timing generation circuit 1 0 controls the bus switch 5 to turn it OFF, and further permits the video signal stored in the frame memory 6 to be read as shown in FIG. 5H. Output a signal.
- FIG. 7 shows the state of the imaging device 20 in the high section of the rear-out mask signal.
- the lead-out pulse signal from the timing generator circuit 10 is not supplied to the CCDs 1 a, lb, and 1 c, the bus switch 5 is also turned off, and the timing to the frame memory 6 A read permission signal is supplied from the generation circuit 10.
- the image processing block 7 stores the charges of the CCD 1 a, 1 b, and lc that have accumulated charges for three frames, and every three frames from the even number lines. In the remaining two frames, the same video signal is supplied from the frame memory 6 to be supplemented.
- the description of signals shown in FIGS. 8A to 8I corresponds to the description of FIGS.
- the timing generation circuit 10 reads out the odd lines of the CCD la, lb, 1 c photodiodes in the odd field section, and also in the odd field section.
- a read-out signal that reads the even line of the C CD 1a photodiode is output.
- 8E and 8F indicate the phase of the read-out pulse signal that will be output when the read-out pulse signal is not masked by the lead-out mask signal. .
- the timing generation circuit 10 outputs a reduced mask signal so that the lead-out signal is valid only once in six fields.
- the lead-out mask signal output from the timing generation circuit 10 is supplied to the switch 11 1 and is restricted so that the lead-out signal is not supplied to the CCDs 1 a, lb and 1 c in the high period.
- the CCD la, lb, and 1c are supplied with a read-out signal through the switch 11, and as shown in FIG.
- the video signal and the video signal based on the charges accumulated in the even lines are read and added every 6 fields.
- timing generation circuit 10 controls the bus switch 5 to 0 N during the low period of the lead-out mask signal, and further permits the video signal to be written to the frame memory 6 as shown in FIG. 8H. Output a signal.
- the video signals read from CCD la, 1 b and 1 c are converted into image signals via CDS 2, variable gain amplifier 3, A / D converter 4 and switch 5, as shown in frame memory 6 and Fig. 8 I. Supplied to processing block 7.
- FIG. 6 shows the state of the imaging device 20 in the mouth section of the rear mask signal.
- the lead-out pulse signal is supplied from the timing generation circuit 10 through the switch 1 1 to the CCDs 1 a, lb, 1 c, and the path switch 5 is also turned on. Is supplied with a write permission signal from the timing generation circuit 10.
- the timing generation circuit 10 controls the bus switch 5 to 0 FF, and further reads out the video signal stored in the frame memory 6 as shown in FIG. 8H. Output permission signal.
- FIG. 7 shows the state of the imaging device 20 in the high section of the read-out mask signal.
- the lead-out pulse signal from the timing generator circuit 10 is not supplied to the CCDs 1 a, lb, 1 c, the bus switch 5 is also turned off, and the frame memory 6 is The read enable signal is supplied from the imming generator circuit 10.
- the imaging device 20 can read out the charges accumulated in C CD la, lb, and lc in the long exposure mode in the first mode or the second mode.
- the gain amount is controlled by the gain variable amplifier 3 according to the gain amount input from the user interface 8 by the user.
- the gain may be adjusted according to the shooting conditions by providing an AGC (Auto Gain Controller).
- the CPU 9 sends the mode control signal to the timing generation circuit 10 so that the first mode is specified when the gain amount adjusted by the AGC is low, and the second mode is specified when the gain amount is high. Output.
- the designation of the first mode and the second mode in the imaging device 20 according to the present invention is set to the CPU 9 based on the gain amount input from the user interface 8 and the charge accumulation time. For example, according to the tables shown in Fig. 2, Fig. 3, and Fig. 4. However, the user may specify the first mode or the second mode directly from the user interface 8.
- the present invention is a first mode that is an imaging mode that reads out charges accumulated in a solid-state imaging element for each frame in response to an imaging request with low output sensitivity.
- the charge accumulated in the solid-state image sensor is read out for each field, and the odd numbered charges adjacent to the read charge in the vertical direction and the even number
- the second charge which is an imaging mode that is added and output while changing the combination for each field, is changed to the second mode for imaging, so that the user can achieve the desired output sensitivity. This makes it possible to capture the subject so that an optimal image is obtained.
- the second mode when the gain of the imaging signal is increased due to insufficient light intensity of the subject.
- the second mode only requires half the charge accumulation time to achieve the same sensitivity, so images that satisfy the required output sensitivity while suppressing the movement of a moving subject. Can be obtained.
- the vertical resolution is higher than when shooting in the second mode by switching to the first mode. It is possible to acquire high-quality video.
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/523,159 US7714922B2 (en) | 2003-05-30 | 2004-05-27 | Imaging device and imaging method |
| EP04735117A EP1519571A4 (en) | 2003-05-30 | 2004-05-27 | IMAGE RECORDING AND PROCEDURE |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003155677A JP3933095B2 (ja) | 2003-05-30 | 2003-05-30 | 撮像装置及び撮像方法 |
| JP2003-155677 | 2003-05-30 |
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| Publication Number | Publication Date |
|---|---|
| WO2004107741A1 true WO2004107741A1 (ja) | 2004-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2004/007664 Ceased WO2004107741A1 (ja) | 2003-05-30 | 2004-05-27 | 撮像装置及び撮像方法 |
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| Country | Link |
|---|---|
| US (1) | US7714922B2 (ja) |
| EP (1) | EP1519571A4 (ja) |
| JP (1) | JP3933095B2 (ja) |
| KR (1) | KR100994844B1 (ja) |
| CN (1) | CN100418360C (ja) |
| WO (1) | WO2004107741A1 (ja) |
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| KR20080002081A (ko) * | 2006-06-30 | 2008-01-04 | 삼성전자주식회사 | VoIP를 이용한 화상통신장치 및 그 운용방법 |
| JP2009272840A (ja) * | 2008-05-03 | 2009-11-19 | Olympus Imaging Corp | 画像記録再生装置、画像記録再生方法、画像処理装置、および画像処理方法 |
| JP4810566B2 (ja) * | 2008-11-27 | 2011-11-09 | 富士フイルム株式会社 | 撮像装置 |
| TW201031190A (en) * | 2009-02-13 | 2010-08-16 | Altek Corp | Driving module for imaging apparatus and method thereof |
| JP5412149B2 (ja) * | 2009-03-16 | 2014-02-12 | オリンパス株式会社 | 画像撮像装置及びそれを備えた細胞画像解析システム |
| TW201228367A (en) * | 2010-12-24 | 2012-07-01 | Hon Hai Prec Ind Co Ltd | Video camera apparatus and method for changing image sensor |
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- 2004-05-27 CN CNB2004800008370A patent/CN100418360C/zh not_active Expired - Fee Related
- 2004-05-27 EP EP04735117A patent/EP1519571A4/en not_active Withdrawn
- 2004-05-27 WO PCT/JP2004/007664 patent/WO2004107741A1/ja not_active Ceased
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Also Published As
| Publication number | Publication date |
|---|---|
| KR100994844B1 (ko) | 2010-11-16 |
| US7714922B2 (en) | 2010-05-11 |
| CN100418360C (zh) | 2008-09-10 |
| JP2004357242A (ja) | 2004-12-16 |
| CN1701598A (zh) | 2005-11-23 |
| US20060050165A1 (en) | 2006-03-09 |
| KR20060013360A (ko) | 2006-02-09 |
| EP1519571A4 (en) | 2010-03-10 |
| JP3933095B2 (ja) | 2007-06-20 |
| EP1519571A1 (en) | 2005-03-30 |
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