JPH11168761A - System and apparatus for digital camera adjustment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and also optimally perform color adjustment by controlling gains so that a digital image signal of three colors to be inputted fall within a predetermined adjustment standard, adjusting the gains of a U signal and a V signal, and sending the gains that fall within the adjustment standard to a digital camera. SOLUTION: A digital camera 100 of this digital camera adjustment system 300 has a color CCD and outputs a digital image signal of three colors to this digital camera adjusting apparatus in the process of adjustment. Also, the digital camera adjusting apparatus controls a CPU of the camera 100 and adjusts gains of a U signal and a V signal, in the adjustment process so that a digital image signal of three colors are within a predetermined adjustment standard based on the digital image signal of the three colors which is outputted from the camera 100. The adjusted gains are written in the flash memory of the camera 100.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital camera adjustment system and a digital camera adjustment apparatus, and more particularly, to a digital camera adjustment system and a digital camera adjustment apparatus for performing color adjustment of a digital camera having a color CCD. About.

[0002]

2. Description of the Related Art Recently, digital still cameras have become widespread, and the functions and performance of such digital cameras have been increasing. In such a digital camera, a CCD (charge-coupled device) is generally used as an image pickup device for converting subject light via an optical system into an electric signal and inputting it as an image signal.

[0003]

However, the above C
According to digital cameras using CDs, high-precision CCDs
Except for the above, in general, the characteristics of the CCD element and the sampling circuit for sampling the output of the CCD element vary, so that it is necessary to perform color adjustment of R, G, and B for each digital camera. However, there is a problem that the work of the color adjustment is troublesome.

The present invention has been made in view of the above problems, and has as its object to provide a digital camera adjustment system and a digital camera adjustment apparatus that can easily and optimally adjust the color of a digital camera using a CCD. .

[0005]

Means for Solving the Problems The above-mentioned problems are solved,
In order to achieve the object, a digital camera adjustment system according to claim 1 is a digital camera adjustment system including a digital camera and a digital camera adjustment device that adjusts the digital camera. Image signal generating means for detecting the light amounts of the three color components and generating respective digital image signals; gain control means for controlling the gains of the U signal and V signal; and gain used for gain control of the gain control means Storage means for storing a value, and writing means for writing the adjusted gain value transmitted from the digital camera adjustment device to the storage means, wherein the digital camera adjustment device emits light of a reference luminance level. And a color bar chart and a gray scale, and switch between the color bar chart and the gray scale. Switching means for passing the light emitted from the light source; and inputting the digital image signals of the three colors, and controlling the gain control means so that each digital image signal falls within a preset adjustment standard. Gain value adjusting means for adjusting the gain values of the U signal and the V signal;
Transmitting means for transmitting the gain value when the gain value of the U signal and the V signal falls within the adjustment standard to the digital camera.

In a digital camera adjustment system according to a second aspect of the present invention, in the digital camera adjustment system according to the first aspect, the gain value adjusting means has a gain adjustment standard value, and the adjustment value is the gain adjustment value. When the adjustment is performed out of the standard value, the digital camera or the environmental condition is reported to be abnormal.

A digital camera adjustment system according to a third aspect of the present invention is a digital camera adjustment system including a digital camera and a digital camera adjustment device for adjusting the digital camera.
Image signal generating means for detecting the light amounts of at least three color components from the detected light and generating a digital image signal, and converting the digital image signal from the image signal generating means into a U signal and a V signal Means for storing the parameters used for the conversion by the conversion means, and writing means for writing the adjusted parameters transmitted from the digital camera adjustment device to the storage means, A light source that emits light of a reference luminance level, a reference color creating unit that passes only a reference color out of the light emitted from the light source, and a color signal output from the digital camera. A color signal evaluation unit, and a parameter of the conversion unit is changed so that the color signal falls within a preset adjustment standard. And a parameter adjusting means for adjusting,
Transmitting means for transmitting a parameter to the digital camera when the color signal falls within the adjustment standard.

A digital camera adjustment system according to a fourth aspect of the present invention is a digital camera adjustment system comprising a digital camera and a digital camera adjustment device for adjusting the digital camera.
Image signal generating means for detecting the light amounts of at least three color components from the detected light and generating a digital image signal, and converting the digital image signal from the image signal generating means into a U signal and a V signal Means for storing the parameters used for the conversion by the conversion means, and writing means for writing the adjusted parameters transmitted from the digital camera adjustment device to the storage means, A light source that emits light of a reference luminance level, a reference color creating unit that passes only a reference color out of the light emitted from the light source, and an image signal that is output from the digital camera. An image signal evaluation unit, an image information output unit for outputting information of the image signal evaluation unit, and a color signal falling within a preset adjustment standard. Parameter adjusting means for changing the parameters of the converting means to adjust the signal amounts of the U signal and the V signal, and transmitting means for transmitting parameters when the color signal falls within the adjustment standard to the digital camera. , Is provided.

In a digital camera adjustment system according to a fifth aspect, in the digital camera adjustment system according to the third or fourth aspect, the reference color creating means comprises a color bar chart.

According to a sixth aspect of the present invention, in the digital camera adjustment system according to the third, fourth or fifth aspect, the digital camera adjustment apparatus further comprises a gray scale chart and the color reference creating means. And a switching unit for switching between the gray scale chart and the gray scale chart.

The digital camera adjustment system according to claim 7 is the digital camera adjustment system according to claim 3, 5 or 6, wherein the parameter adjustment means has a parameter standard, and the adjustment value is When the parameter is adjusted out of the parameter specification, it is notified that the digital camera or the environmental condition is abnormal.

The digital camera adjustment system according to an eighth aspect of the present invention is the digital camera adjustment system according to the fourth, fifth or sixth aspect, wherein the parameter adjustment unit further includes a counter unit for monitoring the number of adjustments. If the adjustment has not been completed in the prescribed number of times, the digital camera or the environmental condition is notified that the condition is abnormal.

According to a ninth aspect of the present invention, in the digital camera adjustment system according to the fourth, fifth or sixth aspect, the parameter adjustment unit further includes a timer unit for monitoring an adjustment time. If the adjustment is not completed within a prescribed time, the digital camera or the environmental condition is notified that the condition is abnormal.

A digital camera adjustment system according to a tenth aspect is the digital camera adjustment system according to any one of the first to ninth aspects, wherein the digital camera adjustment device further sets a white balance of the digital camera. And a white balance setting unit that performs

The digital camera adjustment system according to claim 11 is the digital camera adjustment system according to any one of claims 1 to 10, wherein the digital camera adjustment device adjusts the exposure of the digital camera. It is provided with an exposure adjusting means.

According to a twelfth aspect of the present invention, in the digital camera adjustment system according to any one of the first to eleventh aspects, the digital camera adjustment device further includes an AE (automatic exposure) of the digital camera. ) On / off.

A digital camera adjustment system according to a thirteenth aspect is the digital camera adjustment system according to any one of the first to twelfth aspects, wherein the digital camera adjustment device further comprises an AWB of the digital camera.
A that turns ON / OFF only (auto white balance)
It is provided with WB setting means.

According to a fourteenth aspect of the present invention, in the digital camera adjustment device for adjusting a digital camera, the digital camera adjustment device includes a light source for irradiating light of a reference luminance level, a color bar chart, and a gray scale.
Switching means for switching between the color bar chart and the gray scale to allow light emitted from the light source to pass therethrough; and inputting three color digital image signals from the digital camera, and adjusting each digital image signal in advance. Gain value adjusting means for adjusting the gain values of the U signal and the V signal of the digital camera so as to be within the standard; and adjusting the gain value when the gain values of the U signal and the V signal are within the adjustment standard. Transmitting means for transmitting to the digital camera;
It is provided with.

According to a fifteenth aspect of the present invention, in the digital camera adjustment device for adjusting a digital camera, a light source for emitting light of a reference luminance level and a reference color of light emitted from the light source are provided. A reference color creation unit that passes only the color signal, a color signal evaluation unit for evaluating a color signal output from the digital camera, and adjustment of the digital camera so that the color signal is within a preset adjustment standard. Parameter adjusting means for adjusting the signal amount of the U signal and the V signal by changing the parameter for use, and transmitting means for transmitting a parameter when the color signal falls within the adjustment standard to the digital camera. Things.

A digital camera adjustment device according to a sixteenth aspect of the present invention is the digital camera adjustment device for adjusting a digital camera, wherein the light source irradiating the light of the reference luminance level and the reference color of the light emitted from the light source are provided. A reference color creation unit that passes only the image signal, an image signal evaluation unit for evaluating an image signal output from the digital camera, an image information output unit for outputting information of the image signal evaluation unit, and a color signal. Parameter adjusting means for adjusting the signal amounts of the U signal and the V signal by changing the adjustment parameters of the digital camera so that the color signal falls within the adjustment standard. Transmission means for transmitting the parameters when the image data is transmitted to the digital camera.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS With reference to the accompanying drawings, a digital camera adjustment system and a digital camera adjustment device according to the present invention will be described below with reference to [Embodiment 1, Embodiment 2, Embodiment 3]. ] Will be described in detail with reference to the accompanying drawings. In this specification, the digital camera adjustment system includes a digital camera and a digital camera adjustment device.

[Embodiment 1] In Embodiment 1,
The digital camera has a color CCD, and outputs a digital image signal (video signal) of three colors to a digital camera adjustment device in an adjustment process. In the digital camera adjustment device according to the first embodiment, in the adjustment step, the digital image signals of three colors are set in advance based on the digital image signals (video signals) of three colors output from the digital camera. The CPU (gain control means) of the digital camera is controlled to adjust the gain values of the U signal and the V signal so as to be within a certain adjustment standard. The adjusted gain value is written to the flash memory of the digital camera.

The digital camera adjustment system according to the first embodiment will be described below in the order of digital camera, digital camera adjustment device, and color adjustment.

FIG. 1 is a configuration diagram of a digital camera according to the first embodiment. In FIG. 1, reference numeral 100 denotes a digital camera. The digital camera 100 includes a lens 101, a mechanical mechanism 102 including an autofocus, a CCD 103,
CDS circuit 104, variable gain amplifier (AGC amplifier) 1
05, A / D converter 106, IPP107, DCT10
8, coder 109, MCC 110, RAM (internal memory) 111, PC card interface 112, CPU
121, display unit 122, operation unit 123, motor driver 125, SG (control signal generation) unit 126, strobe 127, battery 128, DC-DC converter 12
9. The flash memory 130 is provided. A detachable PC card 150 is connected via the PC card interface 112.

The lens unit includes a lens 101, a mechanical mechanism 102 including an auto focus (AF), an aperture, and a filter section. A mechanical shutter of the mechanical mechanism 102 performs simultaneous exposure of two fields. The CCD (Charge Coupled Device) 103 converts an image input via the lens unit into an electric signal (analog image data).
The CDS (correlated double sampling) circuit 104 is a CCD
This is a circuit for reducing noise in the image sensor.

The AGC amplifier 105 corrects the level of the signal correlated double-sampled by the CDS circuit 104. Further, the A / D converter 106 is connected to the AGC amplifier 1
The analog image data input from the CCD 103 via the input device 05 is converted into digital image data. That is, C
The output signal of the CD 103 is output from the CDS circuit 104 and the AG
The signal is converted into a digital signal at an optimum sampling frequency (for example, an integral multiple of the subcarrier frequency of the NTSC signal) by the A / D converter 105 via the C amplifier 105.

The digital signal processor IPP
(Image Pre-Processor) 107, DCT (Discrete Cos
ine Transform) 108 and coder (Huffman Enco
A der / Decoder) 109 performs various processes on the digital image data input from the A / D converter 106 into color difference (Cb, Cr) and luminance (Y), and performs data processing for correction and image compression / decompression. Apply. Image compression / decompression unit 107
Performs, for example, orthogonal transformation, which is a process of JPEG-compliant image compression and decompression, and Huffman encoding and decoding, which is a process of JPEG-compliant image compression and decompression.

Further, an MCC (Memory Card Controlle)
An r) 110 temporarily stores the compressed image and records the image on the PC card 150 via the PC card interface 112 or reads the image from the PC card 150.

The CPU 121 uses a RAM (not shown) as a work area in accordance with a program stored in a ROM (not shown), and in accordance with an instruction from the operation section 123 or an external operation instruction such as a remote controller (not shown). Controls all operations inside the camera. Specifically, the CPU 1
Reference numeral 21 controls an imaging operation, an automatic exposure (AE) operation, an automatic white balance (AWB) adjustment operation, an AF operation, and the like. The camera power supply is a battery 128, for example, N
DC-D from iCd, nickel metal hydride, lithium battery, etc.
It is input to the C converter 129 and supplied to the inside of the digital camera.

The display unit 122 is implemented by an LCD, an LED, an EL, or the like. The display unit 122 displays photographed digital image data and decompressed recorded image data. The mode display unit displays the state of the digital camera. Is displayed on the screen. Further, the operation unit 123 is used to select a function, give a shooting instruction,
And buttons for externally setting various other settings.

The digital camera 100 includes a recording mode for recording image data obtained by capturing an image of a subject on the PC card 150, a display mode for displaying an image recorded on the PC card 150, and a digital camera adjustment device 2.
A recording / adjustment mode for writing adjustment data to the flash memory 130 in cooperation with 00 is provided.

FIG. 2 is a diagram showing an example of a specific configuration of the IPP 107. As shown in FIG. 2, the IPP 107 separates the digital image data input from the A / D converter 106 into R, G, and B color components.
A signal interpolation unit 1072 for interpolating the separated R, G, B image data, a pedestal adjustment unit 1073 for adjusting the black level of each of the R, G, B image data, and each of the R, B images A white balance adjustment unit 1074 for adjusting the white level of data; a digital gain adjustment unit 1075 for correcting each of the R, G, and B image data with a gain (gain value) set by the CPU 121; A gamma conversion unit 1076 for performing gamma conversion of each image data, a matrix unit 1077 for separating RGB image data into color difference signals (Cb, Cr) and a luminance signal (Y), and a color difference signal (C
b, Cr) and a luminance signal (Y) to generate a video signal and output the video signal to the display unit 122.
8 is provided.

The IPP 107 further includes a Y operation unit 1079 for detecting the luminance data (Y) of each of the R, G, and B image data after the pedestal adjustment by the pedestal adjustment unit 1073.
A BPF 1080 that passes only a predetermined frequency component of the luminance data (Y) detected by the Y operation unit 1079,
An AF evaluation value circuit 1081 that outputs a digital count value corresponding to the luminance data (Y) that has passed through F1080 to the CPU 121 as an AF evaluation value, and a digital count value corresponding to the luminance data (Y) detected by the Y operation unit 1079. A
An AE evaluation value circuit 1082 that outputs to the CPU 121 as an E evaluation value; a Y operation unit 1083 that detects luminance data (Y) of each of R, G, and B image data after gain adjustment by the digital gain adjustment unit 1075; Arithmetic unit 108
AW that outputs a digital count value corresponding to the luminance data (Y) detected in Step 3 to the CPU 121 as an AWB evaluation value.
The color difference signals Cb and Cr (in other words, the U signal and the V signal) output from the matrix unit 1077 with the B evaluation value circuit 1084 and the gain (gain value) set by the CPU 121.
U / V gain adjuster 1090 that adjusts the gain of signal)
And CPUI which is an interface with the CPU 121
/ F1085 and a DCTI / F1086 which is an interface with the DCT.

The above-described digital gain adjustment unit 1075
Is a multiplier 1075r, 1075g, 10
75b, and each of the multipliers 1075r, 1075
g, R, G, B image data input to 1075b
Each of the RGB gain data (gain values) set by the CPU 121 is multiplied to adjust the signal level of the RGB image data. U / V gain adjustment section 109
0 is provided with a multiplier 1090U and a multiplier 1090V, and each of the multipliers 1090U and 1090V includes Cr,
The color difference signal of Cb is multiplied by each gain data (gain value) set by the CPU 121 to adjust the signal level.

FIG. 3 shows a digital camera adjustment device 2 according to the first embodiment.
FIG. 4 is a diagram showing an external configuration of a digital camera adjustment system 300 including a digital camera 100 and a digital camera adjustment device 200.

The digital camera adjustment device 200 shown in FIGS. 3 and 4 includes a digital camera supply power supply 201 for supplying power to the digital camera 100 and an adapter 2 for GPIB control of the digital camera supply power supply 201.
02, a monitor 203 for displaying an image captured by the digital camera 100, a vector scope 204 for displaying the amplitude and phase of a color signal (RGB) scanned by the digital camera 100 in a vector form, and a monitor 203 for video signal observation. Waveform monitor 205, light source 206, digital camera 100, and the above-described measuring instruments (vector scope 204, waveform monitor 2)
05), a display 208 that is a display device of the computer 207 and displays an adjustment menu and the like, a GPIBI / F 209 mounted on the main body of the computer 207, a digital camera 100
And power supply for digital camera supply 201, RS-2
Adjustment jig body 2 for signal connection such as 32C, VIDEO, etc.
10, a control box 211 for controlling the switching between the color bar chart and the gray scale in accordance with a command from the computer 207, and a color bar chart 220 and a gray scale 221 arranged to be switchable under the control of the control box 211. I have.

FIG. 5 is a diagram showing the configuration of the computer 207. As shown in FIG. 5, a computer 207 includes an input unit 2071 for giving an operation instruction, a CPU 2072 for controlling the entire apparatus of the computer,
RO that stores various control programs for operating 072
M2073, and a RAM 2074 used as a work area of the CPU 2072. The control program includes, for example, a digital gain adjustment unit 1075 in the flash memory 130 of the digital camera 100.
There is an adjustment data creation program for writing adjustment data such as a gain value for use.

Next, the procedure of color adjustment (color balance adjustment) executed in cooperation between the digital camera 100 and the digital camera adjustment apparatus 200 will be described with reference to the flowchart shown in FIG. FIG. 6 is a flowchart showing the procedure of color adjustment.

First, as shown in FIG. 4, the digital camera 100 is connected to the jig main body 2 of the digital camera adjustment device 200.
When the digital camera 100 and the digital camera adjustment device 200 are powered on, the digital camera 100 and the digital camera adjustment device 200 are initialized (steps S1 and P1). A display menu as shown in FIG. 7 is displayed (step S2).

Then, in the digital camera 100, the adjustment and recording modes are set (step P2). Also,
In the digital camera adjustment device 200, the display 20
When the color adjustment is selected from the menu screen 8 (step S3), the CPU 2072 of the computer 207
Performs various initial value settings for color adjustment and sends a command indicating the start of color adjustment to the RS232C
The CPU 12 of the digital camera 100 is connected via a cable.
1 (step S4).

Upon receiving this command (step P3), the CPU 121 of the digital camera 100 performs an initial value setting process to set the white balance to an initial value (P4).

Next, the CPU 207 of the computer 207
The CPU 207 of the computer 207
2 and the CPU 121 of the digital camera 100 cooperate,
Execute white balance adjustment (S5a, S5, P4
a, P4). This adjustment is a process of adjusting the white balance in a gray scale before performing the color phase / amplitude adjustment which is the subsequent process. Specifically, the computer 2
07 in response to a command from the CPU 2072.
1 is a color bar chart 220 and a gray scale 2
Then, the gray scale 221 is arranged on the optical path of the light source 206. Then, C of the computer 207
PU2072 command to digital camera 100, command to set auto white balance AWB mode to OF
Set to F. Subsequently, the digital camera 100 performs photographing, and the white balance is adjusted based on the photographed signal.

Next, the CPU 207 of the computer 207
The CPU 207 of the computer 207
2 and the CPU 121 of the digital camera 100 cooperate,
The exposure is adjusted (S6a, S6, P5a, P5).
This adjustment adjusts the exposure based on white of the color bar chart 220 before performing the color amplitude / phase adjustment in the next step. CPU 20 of the computer 207
The control box 211 switches between the color bar chart 220 and the gray scale 221 according to the instruction of 72, and arranges the color bar chart 220 on the optical path of the light source 206. Subsequently, the CPU 2072 of the computer 207
Command to digital camera 100, command to AE
(Auto exposure) mode is set to OFF. Subsequently, the digital camera 100 performs photographing, and the exposure is adjusted based on the photographed signal.

Finally, the CPU 20 of the computer 207
72 controls the CPU 20 of the computer 207.
72 and the CPU 121 of the digital camera 100 execute color amplitude / phase adjustment in cooperation (S7, P6).
Specifically, a video signal captured by the digital camera 100 and output from the video signal processing unit 1078 is displayed on the vectorscope 204, and each color (R, G, B) is designated on the vectorscope 204. By operating a keyboard (not shown) of the computer 207 so as to enter the frame,
U / V gain adjuster 1090 adjusts the gains 1090U and 1090V of the U and V signals.

FIG. 8 shows an example of a screen of the vector scope 204 when the color amplitude / phase adjustment is performed. In this screen, the positions of the amplitude and phase, which are set in advance for the three colors R, G, and B, respectively, are displayed. A designated frame (adjustment standard) in the form of a character is provided, and in this case, the adjustment is performed so that all the R, G, and B points fall within the designated frame.
The designated frames are R and G only, ± 3 from the center of the bright point.
° and ± 3 ° mm in the radial direction.

In the color amplitude / phase adjustment, the computer 207 (here, playing the role of the gain value adjusting means of the present invention) refers to the adjustment standard, and when the adjustment value is out of the range of the adjustment standard. And digital camera 1
00 or a message indicating that the environmental condition is abnormal is displayed on the display 208, and the process ends.

On the other hand, when the adjustment value is within the adjustment standard and the three colors R, G, and B are adjusted within the designated frames, the computer 207 determines the gain value at that time by the digital camera 100.
And the process is terminated.

As described above, in the digital camera adjustment system and the digital camera adjustment apparatus according to the first embodiment, the video signal (3
(Corresponding to color digital image signals), and each digital image signal is set to a preset adjustment standard (within the specified frame)
The gain values of the U and V signals are adjusted so that
When the gain values of the signal and the V signal fall within the adjustment standard, the gain value of the digital camera 100 is
Digital camera 10 using CCD to write 0
The color adjustment of 0 can be easily and optimally performed. Further, since light of a plurality of reference colors is input simultaneously using the color bar chart 220, color adjustment for a plurality of reference colors can be performed at once.

Further, since the white balance of the digital camera 100 is set by the digital camera adjustment device, color adjustment can be performed while the white balance is being adjusted, and the accuracy of color adjustment can be improved.

Further, since the exposure of the digital camera 100 is adjusted by the digital camera adjustment device, color adjustment can be performed with an appropriate exposure, and the accuracy of color adjustment can be improved.

In addition, since the AE (automatic exposure) of the digital camera can be set ON / OFF by the digital camera adjustment device, the AE is turned off at the time of color adjustment, the influence of the AE is eliminated, and the color adjustment is performed with an appropriate exposure. It can be carried out.

Also, the digital camera adjustment device can only set AWB (auto white balance) of the digital camera to O.
Since N / OFF can be performed, the color reference can be appropriately set by preventing the state of the white balance from changing during color adjustment.

[Second Embodiment] In the second embodiment,
The digital camera has a color CCD, and in the adjustment step, the image of the color chart is input from the CCD and output to the digital camera adjustment device. Further, in the adjustment step, the digital camera adjustment device according to the second embodiment receives an image of a color chart output from the digital camera and adjusts adjustment parameters stored in the digital camera. The phase / amplitude level of the output color signal is made to fall within a preset adjustment standard. The value of the adjusted parameter is written to the flash memory of the digital camera.

The basic configuration and operation of the digital camera adjustment system and the digital camera adjustment device according to the second embodiment are the same as those of the first embodiment. The device and the color adjustment will be described in detail in this order.

FIG. 9 is a block diagram of a digital camera according to the second embodiment. The digital camera 100A according to the second embodiment is the same as the digital camera 100 according to the first embodiment shown in FIG. 1 except that the IPP 107A is disposed instead of the IPP 107 according to the first embodiment. The description is omitted by attaching reference numerals.

FIG. 10 is a diagram showing a configuration of IPP 117 according to the second embodiment. As shown in the figure, the IPP 117
The digital image data input from the / D converter 106 is R
A color separation unit 1171 that separates each of the G, B color components, a signal interpolation unit 1172 that interpolates the separated R, G, and B image data; and a black level of each of the R, G, and B image data. A pedestal adjustment unit 1173 for adjusting, and a white balance adjustment unit 1 for adjusting the white level of each of the R and B image data
174, a digital gain adjustment unit 1175 that corrects each of the R, G, and B image data with a gain (gain value) set by the CPU 121, and a γ of each of the R, G, and B image data.
A gamma conversion unit 1176 for performing conversion, a matrix unit 1177 for separating RGB image data into a color difference signal (Cb, Cr) and a luminance signal (Y), and a color difference signal (Cb, C
r) a video signal processing unit 1178 that creates a video signal based on the luminance signal (Y) and outputs the video signal to the display unit 122;
It has.

Further, the IPP 117 includes a Y operation unit 117 for detecting the luminance data (Y) of each of the R, G, and B image data after the pedestal adjustment by the pedestal adjustment unit 1173.
9, a BPF 1180 that passes only a predetermined frequency component of the luminance data (Y) detected by the Y operation unit 1179,
An AF evaluation value circuit 1181 that outputs a digital count value corresponding to the luminance data (Y) passed through the PF 1180 to the CPU 121 as an AF evaluation value, and a digital count value corresponding to the luminance data (Y) detected by the Y operation unit 1179 An AE evaluation value circuit 1182 that outputs to the CPU 121 as an AE evaluation value; a Y operation unit 1183 that detects luminance data (Y) of each of R, G, and B image data after gain adjustment by the digital gain adjustment unit 1175; Arithmetic unit 118
AW that outputs a digital count value corresponding to the luminance data (Y) detected in Step 3 to the CPU 121 as an AWB evaluation value.
B evaluation value circuit 1184, CPU I / F 1185 which is an interface with CPU 121, and DCT 1
DCTI / F1186 which is an interface with
Etc. are provided.

The above-mentioned digital gain adjusting section 1175
Are multipliers 1175r, 1175g, 11
75b, and each of the multipliers 1175r, 1175
g, 1175b input RGB image data,
Each of the RGB gain data (gain values) set by the CPU 121 is multiplied to adjust the signal level of the RGB image data. Also, the matrix portion 1177
Are parameters k1 to k stored in the RAM 111
4 and the U signal and V
Generate a signal. RY = k1 (RG) + k2 (BG) {Formula 1 By = k3 (RG) + k4 (BG)} Formula 2

Digital Camera Adjustment Apparatus The digital camera adjustment apparatus according to the second embodiment is basically a digital camera adjustment apparatus 20 according to the first embodiment shown in FIG.
Therefore, the role in the second embodiment will be described here.

In the digital camera adjustment device of the second embodiment, the light source 206 shown in FIG. 3 functions as a light source (corresponding to claim 3 and claim 15) for irradiating light of a reference luminance level, and The chart 220 is a reference color creating means for passing only the reference color of the light emitted from the light source 206 (corresponding to claim 3 and claim 15).
, And the vector scope 204 plays a role of color signal evaluation means (corresponding to claim 3 and claim 15) for evaluating the color signal output from the digital camera 100A, and the computer 207 transmits the color signal Digital camera 1 so that is within the preset adjustment standard.
00A and the U signal and V
Parameter adjusting means for adjusting the signal amount of the signal.
And GPIBI.
/ F 209 transmits the parameter when the color signal is within the adjustment standard from the computer 207 to the digital camera 100.
It plays the role of transmitting means (corresponding to claims 3 and 15) for transmitting to A.

Next, the procedure of color adjustment (color balance adjustment) executed in cooperation between the digital camera 100A and the digital camera adjustment device 200 will be described with reference to the flowchart shown in FIG. FIG. 11 is a flowchart illustrating a procedure of color adjustment according to the second embodiment.

First, as shown in FIG. 4, a digital camera (here, digital camera 100A) is mounted on a jig main body 210 of the digital camera adjustment device 200, and the digital camera 100A and the digital camera adjustment device 20 are mounted.
When the power of 0 is turned on, the initialization process of the digital camera 100A and the digital camera adjustment device 200 is performed (steps S11 and P11), and a display menu as shown in FIG. Step S12).

Then, in the digital camera 100A, the adjustment and recording modes are set (step P12). In the digital camera adjustment device 200, when the color adjustment is selected from the menu screen of the display 208 (step S13), the CPU 20
Reference numeral 72 denotes a command for setting various initial values for color adjustment and a command indicating the start of color adjustment.
CPU of digital camera 100A via C cable
The message is sent to the client 121 (step S14).

Upon receiving this command (step P13), the CPU 121 of the digital camera 100A performs an initial value setting process to set the white balance to an initial value (P14).

Next, the CPU 207 of the computer 207
The CPU 207 of the computer 207
2 and the CPU 121 of the digital camera 100A cooperate to execute white balance adjustment (S15a, S1).
5, P14a, P14). This adjustment is a process of adjusting the white balance in a gray scale before performing the color phase / amplitude adjustment which is the subsequent process. Specifically, the control box 211 switches between the color bar chart 220 and the gray scale 221 according to a command from the CPU 2072 of the computer 207, and arranges the gray scale 221 on the optical path of the light source 206. Subsequently, the digital camera 10 is controlled by a command from the CPU 2072 of the computer 207.
Auto white balance AWB by command for 0A
Mode is set to OFF. Then digital camera 1
00A performs photographing, and white balance is adjusted based on the photographed signal.

Next, the CPU 207 of the computer 207
The CPU 207 of the computer 207
2 and the CPU 121 of the digital camera 100A cooperate to execute exposure adjustment (S16a, S16, P15
a, P15). This adjustment is based on the color amplitude and
Before performing the phase adjustment, the exposure is adjusted based on white of the color bar chart 220. Computer 20
7 is controlled by a command from the CPU 2072.
Are the color bar chart 220 and the gray scale 22
1 is performed, and the color bar chart 220 is arranged on the optical path of the light source 206. Subsequently, the AE (automatic exposure) mode is set to OFF by a command for the digital camera 100A in accordance with a command from the CPU 2072 of the computer 207. Subsequently, the digital camera 100A shoots,
The exposure is adjusted based on the captured signal.

Finally, the CPU 20 of the computer 207
72 controls the CPU 20 of the computer 207.
72 and the CPU 121 of the digital camera 100A cooperate to execute color amplitude / phase adjustment (S17, P1).
6). Specifically, the video signal output by the digital camera 100A and output from the video signal processing unit 1178 is displayed on the vector scope 204, and the vector scope 2
The user operates the keyboard (not shown) of the computer 207 so that each color (three points of R, G, and B) falls within the designated frame on k.
Adjust the value of 4. An example of a screen of the vector scope 204 when performing color amplitude / phase adjustment is the same as that in FIG.

In the color amplitude / phase adjustment, the computer 207 (here, playing the role of the parameter adjusting means of the present invention) refers to a parameter standard, and
When the parameter value is out of the range of the parameter standard, a message indicating that the digital camera 100A or the environmental condition is abnormal is displayed on the display 208, and the process is terminated.

On the other hand, when the parameters are within the parameter standard and the three colors R, G, and B are respectively adjusted within the designated frame, the computer 207 determines the parameter k1 at that time.
To k4 are the flash memory 1 of the digital camera 100A.
30 and the process ends.

As described above, according to the digital camera adjustment system and the digital camera adjustment apparatus of the second embodiment, the values of the parameters k1 to k4 used in the matrix unit 1177 are changed by the key operation of the input unit 2071 of the computer 207. While changing, each color signal (the three colors of R, G, and B in the second embodiment) was adjusted so as to fall within the adjustment standard (within the designated frame) displayed on the vector scope, and was within the adjustment standard. Since the parameters k1 to k4 at the time are written in the flash memory 130 of the digital camera 100A, the color adjustment of the digital camera 100A using the CCD can be easily and optimally performed. Further, since light of a plurality of reference colors is input simultaneously using the color bar chart 220, color adjustment for a plurality of reference colors can be performed at once.

[Third Embodiment] In the third embodiment,
The digital camera has a color CCD, and in the adjustment step, the image of the color chart is input from the CCD and output to the digital camera adjustment device. In the adjustment step, the digital camera adjustment device according to the third embodiment receives a color chart image output from the digital camera and adjusts adjustment parameters stored in the digital camera. The phase / amplitude level of the output color signal is made to fall within a preset adjustment standard. The value of the adjusted parameter is written to the flash memory of the digital camera.

The basic configuration and operation of the digital camera adjustment system and the digital camera adjustment device according to the third embodiment are the same as those of the second embodiment. Details will be described in the order of adjustment.

Digital Camera Adjustment Apparatus FIG. 13 is a diagram showing an external configuration of a digital camera adjustment apparatus 200A according to Embodiment 3, and FIG. 14 is a digital camera adjustment apparatus including a digital camera 100A and a digital camera adjustment apparatus 200A. FIG. 3 is a diagram showing a block configuration of a system 300A.

The digital camera adjustment device 200A shown in FIGS. 13 and 14 outputs a video which outputs the image information from the digital camera 100A to the digital camera adjustment device 200 shown in FIGS. 3 and 4 as numerical values. The signal analyzer 212 is added, and the other configuration is the same.

In the digital camera adjustment device according to the third embodiment, the light source 206 shown in FIG. 13 emits light of a reference luminance level (corresponding to claims 4 and 16).
As a color bar chart 220,
The video signal analyzer 212 plays the role of a reference color creating means (corresponding to claims 4 and 16) for passing only the reference color out of the light emitted from the light source 206.
Functions as an image signal evaluation unit and an image information output unit (corresponding to claim 4 and claim 16) for evaluating an image signal output from the digital camera 100A, and the computer 207 sets the color signal in advance. The function of parameter adjustment means (corresponding to claims 4 and 16) for adjusting the signal amounts of the U signal and the V signal by changing the adjustment parameters of the digital camera 100A so as to be within the specified adjustment standard. Play, GPIBI / F209
Plays a role of transmission means (corresponding to claims 4 and 16) for transmitting parameters when the color signal falls within the adjustment standard from the computer 207 to the digital camera 100A.

Color Adjustment Next, the procedure of color adjustment (color balance adjustment) executed in cooperation between the digital camera 100A and the digital camera adjustment device 200A will be described with reference to the flowchart shown in FIG. FIG. 15 is a flowchart illustrating a procedure of color adjustment according to the third embodiment.

First, as shown in FIG. 14, a digital camera (here, digital camera 100A) is mounted on a jig main body 210 of a digital camera adjustment device 200A.
When the digital camera 100A and the digital camera adjustment device 200A are powered on, the digital camera 10A
0A and the initialization process of the digital camera adjustment device 200A are performed (step S21, P21), and a display menu as shown in FIG. 12 is displayed on the display 208 (step S22).

Then, in the digital camera 100A, the adjustment and recording modes are set (step P22). In the digital camera adjustment device 200, when the color adjustment is selected from the menu screen of the display 208 (step S23), the CPU 20
Reference numeral 72 denotes a command for setting various initial values for color adjustment and a command indicating the start of color adjustment.
CPU of digital camera 100A via C cable
121 (step S24).

Upon receiving this command (step P23), the CPU 121 of the digital camera 100A performs an initial value setting process to set the white balance to the initial value (P24).

Next, the CPU 207 of the computer 207
The CPU 207 of the computer 207
2 and the CPU 121 of the digital camera 100A cooperate to execute white balance adjustment (S25a, S2
5, P24a, P24). This adjustment is a process of adjusting the white balance in a gray scale before performing the color phase / amplitude adjustment which is the subsequent process. Specifically, the control box 211 switches between the color bar chart 220 and the gray scale 221 according to a command from the CPU 2072 of the computer 207, and arranges the gray scale 221 on the optical path of the light source 206. Subsequently, the digital camera 10 is controlled by a command from the CPU 2072 of the computer 207.
Auto white balance AWB by command for 0A
Mode is set to OFF. Then digital camera 1
00A performs photographing, and white balance is adjusted based on the photographed signal.

Next, the CPU 207 of the computer 207
The CPU 207 of the computer 207
2 and the CPU 121 of the digital camera 100A cooperate to execute the exposure adjustment (S26a, S26, P25).
a, P25). This adjustment is based on the color amplitude and
Before performing the phase adjustment, the exposure is adjusted based on white of the color bar chart 220. Computer 20
7 is controlled by a command from the CPU 2072.
Are the color bar chart 220 and the gray scale 22
1 is performed, and the color bar chart 220 is arranged on the optical path of the light source 206. Subsequently, the AE (automatic exposure) mode is set to OFF by a command for the digital camera 100A in accordance with a command from the CPU 2072 of the computer 207. Subsequently, the digital camera 100A shoots,
The exposure is adjusted based on the captured signal.

Finally, the CPU 20 of the computer 207
72 controls the CPU 20 of the computer 207.
72 and the CPU 121 of the digital camera 100A cooperate to execute color amplitude / phase adjustment (S27, P2
6). Specifically, a video signal captured by the digital camera 100A and output from the video signal processing unit 1178 is input to the video signal analyzer 212, and the
The amplitude level is output as a numerical result. The output result is fed back to the computer 207, and R,
K1 to k1 used in the matrix unit 1177 so that the signals of G and BNO enter standard phase and amplitude levels.
Adjust the value of k4.

As an adjustment standard for color amplitude / phase adjustment,
For example, C _R = 88 ± 1 [IRE] C _G = 82 ± 1 [IRE] C _B = 62 ± 1 [IRE] P _R = 103 ± 1 [DEG] P _G = 241 ± 1 [DEG] P _B = 347 ± 1 [DEG] (where C _R , C _G , and C _B represent the chroma amplitude levels of the R, G, and B color signals, respectively, and P _R , P _G , and P _B are the R, G, and B color signals, respectively. Chroma phase level), and the adjustment is repeated as in this standard.

Further, the number of adjustments is a specified number of times (for example, 10
Times), a message indicating that the digital camera 100A or the environmental condition is abnormal is displayed on the display 20.
8 and the process ends.

Further, the adjustment time is a specified time (for example, 30
Second), a message indicating that the digital camera 100A or the environmental condition is abnormal is displayed on the display 20.
8 and the process ends.

In the color amplitude / phase adjustment, the computer 207 (here, playing the role of the parameter adjusting means of the present invention) refers to the parameter standard, and
When the parameter value is out of the range of the parameter standard, a message indicating that the digital camera 100A or the environmental condition is abnormal is displayed on the display 208, and the process is terminated.

On the other hand, when the parameters are within the parameter standard and the three colors of R, G, and B are respectively adjusted within the designated frame, the computer 207 determines the parameter k1 at that time.
To k4 are the flash memory 1 of the digital camera 100A.
30 and the process ends.

As described above, according to the digital camera adjustment system and the digital camera adjustment apparatus of the third embodiment, while changing the parameters k1 to k4 used in the matrix unit 1177 by the computer 207, each color signal (the In the third embodiment, the chroma phase / amplitude level of the three colors (R, G, and B) is adjusted so as to be within the adjustment standard, and the parameters k1 to k4 when the adjustment standard is satisfied are written to the flash memory 130 of the digital camera 100A. Therefore, color adjustment of the digital camera 100A using the CCD can be easily and optimally performed. Further, since light of a plurality of reference colors is input simultaneously using the color bar chart 220, color adjustment for a plurality of reference colors can be performed at once.

[0089]

As described above, according to the digital camera adjustment system of the present invention (claim 1), the digital camera detects the light amounts of the three color components from the detected light and generates each digital image signal. Image signal generating means, gain control means for controlling the gains of the U signal and V signal, storage means for storing a gain value used for gain control of the gain control means, and an adjusted signal transmitted from the digital camera adjustment device. Writing means for writing the gain value of the storage means, the digital camera adjustment device has a light source for irradiating light of the reference luminance level, a color bar chart and a gray scale, the color bar chart and the gray scale Switching means for switching and passing light emitted from the light source;
Gain value adjusting means for inputting digital image signals of three colors, controlling gain control means so that each digital image signal falls within a preset adjustment standard, and adjusting gain values of U signal and V signal. And a transmission means for transmitting the gain value of the U signal and the V signal when the gain value is within the adjustment standard to the digital camera, so that the color adjustment of the digital camera using the CCD is easily and optimally performed. be able to.

Further, in the digital camera adjustment system of the present invention (claim 2), the gain value adjusting means has a gain adjustment standard value, and when the adjustment value is adjusted out of the gain adjustment standard value. In order to notify that the digital camera or the environmental conditions are abnormal, the adjustment is forcibly terminated for a set number of times for a product (digital camera) that cannot be adjusted for some reason, and the abnormality is adjusted by the operator (operator). ), And the color adjustment work can be made more efficient without lengthening the adjustment time unnecessarily.

Further, the digital camera adjustment system of the present invention (claim 3) is a digital camera adjustment system, wherein the digital camera detects light amounts of at least three color components from the detected light and generates a digital image signal; Conversion means for inputting a digital image signal from the image signal generation means and converting it into a U signal and a V signal; storage means for storing parameters used for conversion of the conversion means; And writing means for writing the parameters in the storage means, wherein the digital camera adjustment device generates a reference color that passes only the reference color out of the light emitted from the light source, and a light source that emits light of the reference luminance level. Means for evaluating the color signal output from the digital camera, and a color signal evaluation means for evaluating the color signal output from the digital camera so that the color signal falls within a preset adjustment standard. A parameter adjusting unit that adjusts a signal amount of the U signal and the V signal by changing a parameter of the unit; and a transmitting unit that transmits a parameter when the color signal falls within the adjustment standard to the digital camera. C
Color adjustment of a digital camera using a CD can be easily and optimally performed.

The digital camera adjustment system (claim 4) of the present invention is characterized in that the digital camera detects an amount of light of at least three color components from the detected light and generates a digital image signal; Conversion means for inputting a digital image signal from the image signal generation means and converting it into a U signal and a V signal; storage means for storing parameters used for conversion of the conversion means; And writing means for writing the parameters in the storage means, wherein the digital camera adjustment device generates a reference color that passes only the reference color out of the light emitted from the light source, and a light source that emits light of the reference luminance level. Means, image signal evaluation means for evaluating an image signal output from the digital camera, and image information for outputting information of the image signal evaluation means Force means, parameter adjustment means for changing the parameters of the conversion means so that the color signal falls within a preset adjustment standard, and adjusting the signal amounts of the U signal and V signal; and And transmitting means for transmitting the parameter when the condition becomes to the digital camera, so that the color adjustment of the digital camera using the CCD can be performed automatically.

Further, in the digital camera adjustment system according to the present invention (claim 5), since the reference color creating means is constituted by a color bar chart, it is possible to simultaneously adjust a plurality of colors.

In the digital camera adjustment system of the present invention (claim 6), the digital camera adjustment device includes a gray scale chart, and switching means for switching between a color reference creating means and a gray scale chart. The white balance can be adjusted in a wide gray scale luminance range, and the accuracy of white adjustment (white balance adjustment) as a reference for color adjustment can be improved.

Further, in the digital camera adjustment system according to the present invention, the parameter adjustment means has a parameter standard, and when the adjustment value is adjusted out of the parameter standard, the digital camera or the environment is adjusted. To notify that the condition is abnormal, even if there is a product (digital camera) that cannot be adjusted for some reason, the abnormality can be notified to the adjustment operator (operator), and the adjustment time is lengthened unnecessarily. The efficiency of the color adjustment work can be improved without the need for the adjustment.

In the digital camera adjustment system of the present invention (claim 8), the parameter adjustment means has counter means for monitoring the number of adjustments. In order to notify that the digital camera or environmental conditions are abnormal, even if there is a product (digital camera) that cannot be adjusted for any reason, the abnormality can be notified to the adjustment operator (operator). The color adjustment work can be made more efficient without prolonging the adjustment time.

Further, in the digital camera adjustment system of the present invention (claim 9), the parameter adjustment means has a timer means for monitoring the adjustment time, and when the adjustment is not completed within a prescribed time. , To notify you that a digital camera or environmental condition is abnormal, even if there is a product (digital camera) that cannot be adjusted for any reason,
The abnormality can be notified to the adjustment operator (operator), and the color adjustment operation can be made more efficient without lengthening the adjustment time unnecessarily.

Further, in the digital camera adjustment system of the present invention (claim 10), the digital camera adjustment device is provided with white balance setting means for setting the white balance of the digital camera. Can be performed, and the accuracy of color adjustment can be improved.

Further, in the digital camera adjustment system of the present invention (claim 11), the digital camera adjustment device is provided with exposure adjustment means for adjusting the exposure of the digital camera, so that the exposure of the digital camera is adjusted to an appropriate exposure. Color adjustment can be performed in this state, and the accuracy of color adjustment can be improved.

Further, according to the digital camera adjustment system of the present invention (claim 12), the digital camera adjustment device turns on / off the AE (automatic exposure) of the digital camera.
Since the setting means is provided, the AE is turned off at the time of color adjustment, the influence of the AE is eliminated, and the color adjustment can be performed with an appropriate exposure.

In the digital camera adjustment system of the present invention (claim 13), the digital camera adjustment device includes AWB setting means for turning ON / OFF only the AWB (auto white balance) of the digital camera. By keeping the state of the white balance unchanged, it is possible to adjust the color reference after setting it appropriately.

A digital camera adjustment device according to the present invention (Claim 14) includes:
A switching unit that has a color bar chart and a gray scale, switches between the color bar chart and the gray scale, and allows light emitted from a light source to pass therethrough; Value adjustment means for adjusting the gain values of the U and V signals of the digital camera so that the value falls within the preset adjustment standard. Since the transmission means for transmitting the gain value to the digital camera is provided, color adjustment of the digital camera using the CCD can be easily and optimally performed.

The digital camera adjusting apparatus of the present invention comprises a light source for irradiating light of a reference luminance level and a reference color creating means for passing only the reference color out of the light emitted from the light source. A color signal evaluation means for evaluating a color signal output from the digital camera, and changing the adjustment parameters of the digital camera so that the color signal is within a preset adjustment standard, and Since there are provided a parameter adjusting means for adjusting the signal amount of the signal and a transmitting means for transmitting a parameter to the digital camera when the color signal is within the adjustment standard, color adjustment of the digital camera using the CCD can be performed easily and easily. Can be performed optimally.

The digital camera adjusting apparatus of the present invention comprises a light source for emitting light of a reference luminance level, and a reference color creating means for passing only the reference color out of the light emitted from the light source. An image signal evaluation unit for evaluating an image signal output from a digital camera, an image information output unit for outputting information of the image signal evaluation unit, and a color signal falling within a preset adjustment standard. Parameter adjusting means for changing the adjustment parameters of the digital camera so as to adjust the signal amounts of the U signal and the V signal, and transmitting means for transmitting a parameter when the color signal falls within the adjustment standard to the digital camera. , So that C
Color adjustment of a digital camera using a CD can be performed automatically.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a digital camera according to a first embodiment.

FIG. 2 is a diagram illustrating an example of a specific configuration of the IPP of FIG. 1;

FIG. 3 is a diagram showing an external configuration of the digital camera adjustment device according to the first embodiment.

FIG. 4 is a configuration diagram of a digital camera adjustment system according to the first embodiment.

FIG. 5 is a diagram showing a configuration of the computer of FIG.

FIG. 6 is a flowchart illustrating a color adjustment processing procedure according to the first embodiment;

FIG. 7 is a diagram showing a display menu according to the first embodiment.

FIG. 8 is a diagram illustrating an example of a display screen of a vector scope when performing color amplitude / phase adjustment in the first embodiment.

FIG. 9 is a configuration diagram of a digital camera according to a second embodiment.

FIG. 10 is a diagram showing an example of a specific configuration of the IPP of FIG. 9;

FIG. 11 is a flowchart illustrating a color adjustment processing procedure according to the second embodiment;

FIG. 12 is a diagram showing a display menu according to the second embodiment.

FIG. 13 is a diagram illustrating an external configuration of a digital camera adjustment device according to a third embodiment.

FIG. 14 is a configuration diagram of a digital camera adjustment system according to a third embodiment.

FIG. 15 is a flowchart illustrating a color adjustment processing procedure according to the third embodiment;

[Explanation of symbols]

 100, 100A Digital camera 103 CCD (charge coupled device) 104 CDS (correlated double sampling) circuit 105 Variable gain amplifier (AGC amplifier) 106 A / D converter 107, 117 IPP (Image Pre-Processor) 108 DCT (Discrete Cosine) Transform) 109 Coder (Huffman Encoder / Decoder) 121 CPU 122 Display unit 123 Operation unit 130 Flash memory 150 PC card 200, 200A Digital camera adjustment device 211 Control box 212 Video signal analyzer 220 Color bar chart 221 Gray scale 300, 300A digital camera Adjustment system 1071, 1171 Color separation unit 1072, 1172 Signal interpolation unit 1073, 1173 Pedestal adjustment unit 1074, 1174 White balance adjustment unit 1075, 1 75 digital gain adjusting unit 1080,1180 BPF 1081,1181 AF evaluation value circuit 1082,1182 AE evaluation value circuit 1084,1184 AWB evaluation value circuit 1090 U / V gain adjustment unit 1090U, 1090V multiplier 2071 input section 2072 CPU

Claims (16)

[Claims] 1. A digital camera adjustment system comprising a digital camera and a digital camera adjustment device for adjusting the digital camera, wherein the digital camera detects light amounts of three color components from light to be detected, and Image signal generating means for generating a digital image signal; gain control means for controlling gains of a U signal and a V signal; storage means for storing a gain value used for gain control of the gain control means; Writing means for writing the adjusted gain value transmitted from the apparatus into the storage means, the digital camera adjustment apparatus comprising: a light source for irradiating light of a reference luminance level; and a color bar chart and a gray scale. And switching between the color bar chart and the gray scale to pass light emitted from the light source. And inputting the digital image signals of the three colors, and controlling the gain control means so that each digital image signal is within a preset adjustment standard to adjust the gain values of the U signal and the V signal. Digital camera adjustment, comprising: a gain value adjusting unit that performs gain adjustment of the U signal and the V signal; system. 2. The gain value adjusting means has a gain adjustment standard value. When the adjustment value is adjusted out of the gain adjustment standard value, it is notified that the digital camera or the environmental condition is abnormal. The digital camera adjustment system according to claim 1, wherein the notification is performed. 3. A digital camera adjustment system comprising a digital camera and a digital camera adjustment device for adjusting the digital camera, wherein the digital camera detects light amounts of at least three color components from detected light, Image signal generating means for generating an image signal; converting means for inputting a digital image signal from the image signal generating means to convert the digital image signal into a U signal and a V signal; and storage for storing parameters used for conversion of the converting means. Means, and writing means for writing the adjusted parameters transmitted from the digital camera adjustment device to the storage means, wherein the digital camera adjustment device comprises: a light source for emitting light of a reference luminance level; and the light source. Means for passing only the reference color out of the light emitted from the digital camera, and output from the digital camera. Color signal evaluation means for evaluating the input color signal; and changing the parameters of the conversion means so that the color signal falls within a preset adjustment standard to reduce the signal amounts of the U signal and the V signal. A digital camera adjustment system comprising: parameter adjustment means for adjusting; and transmission means for transmitting a parameter to the digital camera when a color signal falls within the adjustment standard. 4. A digital camera adjustment system comprising a digital camera and a digital camera adjustment device for adjusting the digital camera, wherein the digital camera detects light amounts of at least three color components from detected light, Image signal generating means for generating an image signal; converting means for inputting a digital image signal from the image signal generating means to convert the digital image signal into a U signal and a V signal; and storage for storing parameters used for conversion of the converting means. Means, and writing means for writing the adjusted parameters transmitted from the digital camera adjustment device to the storage means, wherein the digital camera adjustment device comprises: a light source for emitting light of a reference luminance level; and the light source. Means for passing only the reference color out of the light emitted from the digital camera, and output from the digital camera. Image signal evaluation means for evaluating the input image signal, image information output means for outputting information of the image signal evaluation means, and the color signal is adjusted to be within a preset adjustment standard. Parameter adjusting means for changing the parameters of the converting means to adjust the signal amounts of the U signal and the V signal; and transmitting means for transmitting a parameter when the color signal falls within the adjustment standard to the digital camera. A digital camera adjustment system, comprising: 5. The digital camera adjustment system according to claim 3, wherein said reference color creating means comprises a color bar chart. 6. The digital camera adjustment device according to claim 3, further comprising a gray scale chart, and switching means for switching between the color reference creating means and the gray scale chart. The digital camera adjustment system according to 4 or 5. 7. The parameter adjusting means has a parameter standard, and when the adjustment value is adjusted out of the parameter standard, the parameter adjusting means notifies that the digital camera or the environmental condition is abnormal. The digital camera adjustment system according to claim 3, 5 or 6, wherein: 8. The digital camera according to claim 7, wherein said parameter adjusting means includes a counter means for monitoring the number of adjustments. If the adjustment is not completed in a specified number of times, the digital camera or the environmental condition is abnormal. The digital camera adjustment system according to claim 4, 5 or 6, wherein 9. The digital camera or the environmental condition is abnormal if the adjustment is not completed within a prescribed time, wherein the parameter adjustment means includes timer means for monitoring an adjustment time. The digital camera adjustment system according to claim 4, wherein the notification is made. 10. The digital camera adjustment system according to claim 1, wherein the digital camera adjustment device further includes a white balance setting unit that sets a white balance of the digital camera. . 11. The digital camera adjustment system according to claim 1, wherein the digital camera adjustment device further includes an exposure adjustment unit that adjusts an exposure of the digital camera. 12. The digital camera adjustment device according to claim 1, wherein the digital camera adjuster turns on / off an automatic exposure (AE) of the digital camera.
The digital camera adjustment system according to claim 1, further comprising an AE setting unit that performs FF. 13. The digital camera adjustment device according to claim 1, further comprising AWB setting means for turning on / off only an AWB (auto white balance) of the digital camera. One digital camera adjustment system. 14. A digital camera adjustment device for adjusting a digital camera, comprising: a light source for irradiating light of a reference luminance level; a color bar chart and a gray scale; and switching between the color bar chart and the gray scale. Switching means for passing light emitted from the camera; and a digital image signal of three colors from the digital camera, and a U signal and a digital signal of the digital camera such that each digital image signal is within a preset adjustment standard. Gain value adjusting means for adjusting the gain value of the V signal; and transmitting means for transmitting the gain value when the gain values of the U signal and the V signal fall within the adjustment standard to the digital camera. A digital camera adjustment device characterized by the above-mentioned. 15. A digital camera adjustment device for adjusting a digital camera, comprising: a light source that emits light of a reference luminance level; a reference color creation unit that passes only a reference color out of the light emitted from the light source; Color signal evaluation means for evaluating the color signal output from the digital camera; and adjusting the U and V signals by changing the adjustment parameters of the digital camera so that the color signal is within a preset adjustment standard. A digital camera adjustment device, comprising: a parameter adjustment unit that adjusts a signal amount of a signal; and a transmission unit that transmits a parameter when a color signal falls within the adjustment standard to the digital camera. 16. A digital camera adjustment device for adjusting a digital camera, comprising: a light source that emits light of a reference luminance level; a reference color creating unit that passes only a reference color out of the light emitted from the light source; An image signal evaluation unit for evaluating an image signal output from the digital camera; an image information output unit for outputting information of the image signal evaluation unit; and a color signal within a preset adjustment standard. Parameter adjusting means for changing the adjustment parameters of the digital camera to adjust the signal amounts of the U signal and the V signal, and transmitting the parameters when the color signal falls within the adjustment standard to the digital camera. A digital camera adjustment device, comprising: transmission means.