JP2705065B2 - Photo printing system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial applications]   The present invention prints large stretched photographs that require high accuracy in finishing.
The present invention relates to a printing system for printing. [Prior art]   In general, at photo studios that handle photos such as weddings and Shichigosan,
Large stretch of the photo is required and a predetermined frame
So that the subject is positioned optimally
Required. In addition, even in the finished state, normal snacks
Higher image quality is required as compared to the photo. This is
As the true magnification increases, errors in density, color balance, etc. occur.
This is because
Accurate data from a negative film finished with a narizer
To get the data.   This analyzer is a CCD camera for negative film images
The image obtained by this is displayed on a CRT and
It adjusts the density and color balance to optimal values. This
In the case of, the image displayed on the CRT changes according to the adjustment
The operator can visually check whether the data is correct
Can be confirmed. The adjusted data is
By recording on a recording medium such as a disk,
Can be supplied to the control device of the enlarger,
Burn based on the data recorded on this floppy disk.
An attachment process is performed. [Problems to be solved by the invention]   However, the burning process is performed based on this data.
However, there may be cases where corrections are required in the verification after finishing.
You. For this reason, a test print was performed
Workers test the drawing paper. Like this
If a positive is required, corrective data is
Created and printed by the operator directly on the enlarger during the production print.
-Must be entered manually. For this reason, the work is complicated.
It may be confusing and you may make mistakes in inputting correction data.
You.   To prevent this, input the data again with the analyzer.
It is possible to correct it, but recalculate data that does not need correction
This takes a lot of time.   The present invention takes into account the above facts and makes modifications after test printing.
Data can be read by the enlarger quickly and without error
Eliminates the complexity of entering correction data and speeds up
It is possible to obtain a photographic printing system that can process
Is the purpose. [Means to solve the problem]   The photographic printing system according to the present invention uses a negative film.
The printing condition data is recorded on the recording medium from the obtained image information.
Analyzer based on the data recorded on this recording medium.
And a baking process.
Inspect the finished photographic paper that has been attached
When it is determined that the correction is necessary, it is recorded on the recording medium.
A tester for rewriting the data obtained, and
The machine automatically reads the data in the loaded recording medium.
The burn-in process is performed based on the read data.
It is characterized by being done. [Action]   According to the present invention, the printing condition data is
The data is recorded on the recording medium. This is, for example,
The operator visually checks the image display section installed on the
Automatically, the burning condition data is automatically
It is subjected to arithmetic processing and recorded on a recording medium. That is, burning
Condition data (initial data) will be automatically entered.
You.   Next, based on this data, a baking process is performed with a stretching machine.
Execute. That is, the recording medium is located at a predetermined position on the enlarger.
(Or subsequent key operation)
Automatically reads the burning condition data in the recording medium
Is Therefore, multiple sheets of photographic paper with the same negative film
Can be made the same finished state.   Here, the printing conditions include magnification, DSL (density slot).
Value, CBL (color balance) value, CSL (color slot)
Group, exposure time, collection, and the like.   Also, in the present invention, a testing machine is installed,
When the data needs to be corrected
Reads only the data that needs to be corrected by this tester.
Then, the data is rewritten. This book
Record the burning condition data including the replaced data.
When the recording medium is loaded into the enlarger again, the corrected data is burned.
Even if the operator does not directly input by key operation etc.
Automatically read by enlarger, accurate and fast
Work up to the time of actual printing can be performed, work efficiency
Is improved.   Especially for commemorative photos, at least two or three times
-Data is frequently reprinted,
Reducing the time for data entry requires less work time.
Effective for compression. Also, multiple analyzers, enlargers,
Even in systems where the tester is intricately intertwined, data
By using a recording medium as a buffer for
Consider the necessary correspondence and transmission time when transmitting data
Transport the recording medium with the negative film.
So, without using complicated control,
Work efficiency can be improved. [Example]   FIG. 1 is a configuration diagram of a photographic printing system according to the present embodiment.
It is shown. This photo printing system has a reception machine 10,
Consists of analyzer 12, enlarger 14 and tester 16
Photos that generally require large stretches (such as weddings and
The system used when printing third-level commemorative photos)
It is.   The receiving machine 10 has a floppy disk 22 mounted on its main body 18.
The data connected by connector 24
Finish the negative film 20 on the digitizer 26 (see Fig. 2).
By arranging, the image of the negative film 20 is
Measure and apply dimensions of images to be printed (especially people)
Specify the optimal magnification for the frame to be
The information is stored in the disk 22. Note that this
Exposure number and order number for identifying the image exposure on the negative film 20
If there are, these numbers can also be stored
It has become. These inputs are installed on the main unit 18.
Done by keyboard 28 and mounted on disk driver 30
The storage (storing) of the loaded floppy disk 22 is completed.
Then, the floppy disk 22 is taken out and the analyzer 12
To be forwarded to.   Analyzer 12 displays negative film 20 on CRT32
The photo stored on the floppy disk 22 in advance.
Type of enlarger 14 (12C or chrome mega)
File corresponding to the print channel number of
Read the file and the data stored in this file
DSL value (density slope value) and CBL value (color bar)
Lance value), basic data of CSL value (color slope value)
Is calculated. Also, this negative film
Exposure time, color filter value and collect
The calculation of the correction value and the magnification correction is also performed,
The disk 22 stores the information. It is calculated
Data is not shown but output to the dot printer.
It has become so. In this analyzer 12,
The type of enlarger 14 used for printing photographs and this enlargement
Different data according to the print channel number of the machine
Is calculated, so multiple types of different enlargers can be used.
Printing on paper by each enlarger
The up state can be the same.   With this analyzer 12, all the data necessary for printing
Is stored in a specific file on the floppy disk 22,
The floppy disk 22 is connected to the enlarger 14 with a connector 34.
Connected to the disk driver 38 of the controller 36,
Specific file data stored on floppy disk 22
The moving unit 44 composed of the light source 40 and the lens 42 etc.
When the guide member 46 guides in any direction of the arrow A in FIG.
To photographic paper 50 (see Fig. 4) placed on easel 48
It is supposed to be.   The baked photographic paper 50 goes through a predetermined development process.
It will be verified by visual inspection of workers. That is,
The commemorative photos described above have higher quality than ordinary snap photos.
Since ascending accuracy is required, the finished photo is inspected and finished.
If the ascending state is inappropriate, reheating is performed. This
Correction of the data in the case of
You. The testing machine 16 has a floppy disk mounted on a control device 36.
A disk driver 52 capable of loading the disk 22 is provided,
The data in the floppy disk 22 can be
Data can be rewritten. That is,
At least one test run is required until true printing is complete.
One production print is performed with lint.   Reception machine 10, analyzer 12, enlarger described above
Each internal configuration of 14 and the testing machine 16 will be described sequentially. First,
The reception machine 10 will be described with reference to FIG.   The main body 18 of the reception machine 10 has a micro computer 56 inside.
Is stored. Microcomputer 56 is CPU58, RAM6
0, ROM 62, input port 64, output port 66 and
Consists of bus 68 such as data bus and control bus
Have been. Input port 64 has keyboard 70 and digital
Iser 26 is connected and the coordinates of the image size specified by the worker
Is detected, and is detected by a key operation of the micro computer.
Input to 56. On with keyboard 70
The force data is displayed on the LCD display 72 connected to the output port 66.
As shown. Negative keyboard 70
Exposure number and order number previously assigned to LUM 20 are also entered.
These data are stored on disk drives.
Stored in floppy disk 22 loaded in bag 74
It has become.   Next, the analyzer 12 will be described with reference to FIG.   The light spreads below the negative film loading section 76 of the analyzer 12.
A light source 80 is provided via a spray tube 78. From light source 80
The light beam is diffused by the light diffusion tube 78 and then transmitted through the negative film 20.
The transmitted image is a CCD camera.
The image is taken by the camera 82. Sand
That is, the image surface of the negative film 20 is scanned and divided into a plurality of pixels.
The density and color balance of each pixel.
And convert this signal to the built-in
It is supplied to the black computer 84. What
Contact between the CCD camera 82 and the micro computer 84
Negative / positive reversing circuit 86 interposed and printed on photographic paper
After being converted to the same color as
Is to be entered. Microcomputer 84
Is a micro computer built in the main body 18 of the reception machine 10.
Since the configuration is the same as 56, the reference number A is added after the same number.
The description of the configuration is omitted.   A disk driver 88 is connected to the microcomputer 84.
The floppy disk loaded in this disk driver 88
Data stored on disk 22 can be moved in and out
Has become. Keyboard 90 is connected to input port 64A.
Key and the type of enlarger 14 and channel
A file to specify the number can be specified
You. With this designation, the density of the image displayed on the CRT32,
The color balance, magnification, and the like are corrected.
The corrected data is stored in the specified file,
This is applied at the time of baking processing by the enlarger 14.   Here, there are a plurality of enlargers 14, and the same negative film
Printing on photographic paper using multiple enlargers from 20
If necessary, make corrections for each type of enlarger.
Make each file a table and make floppy
This is stored in the disk 22.   FIG. 4 shows an example of the enlarger 14. Moving part
Above the light source 44, the light source 40 is arranged.
Light is applied to the gab film 20. Neguff
The light rays transmitted through the ilum 20 are C (cyan), M (magenta)
), Y (yellow) dimming filters 96, 98, 100 and
The photographic paper 50 placed on the easel 48 is illuminated via the lens 42.
To shoot. The magnification for printing on photographic paper 50 is
The moving part 44 is guided by the guide member 46 and moves (FIG. 1 and FIG.
4 (arrow A direction) can be changed,
The magnification increases as the distance between the moving part 44 and the easel 48 increases.
You. On the light beam irradiated on the photographic paper 50 via the lens 42
A shutter 104 is provided and driven by a signal from the control device 36.
4 can be moved in the direction of the arrow B in FIG.
Have been.   As a result, as shown by the imaginary line in FIG.
Move from the light state (shutter closed) as shown by the solid line (shutter
Move to the imaginary line position after the specified exposure time
To print and print on photographic paper 50.
You. The dimming filters 96, 98, and 100 are color reduction filters.
Immediately after shutter 104 is opened, all filters 96, 98, 1
00 is arranged on the light beam, but the signal from the controller 36 is
With the respective filters 96, 98, 100 with drivers 108, 11
After a predetermined time via 0 and 112, the light beam is
Swelling.   The controller 36 has a built-in disk driver 114,
The floppy disk 22 can be loaded.
The control unit 36 controls the type and the chain of the connected enlarger 14.
By specifying the channel number, the floppy disk
Read the corresponding file from 22 and read this file.
The shutter 104 based on the data stored in the
And control each dimming filter 96, 98, 100.
ing.   The finished state of the baked photographic paper 50 is visually observed by an operator.
Is to be determined by This is the
Even if burn-in processing is performed with data corrected by riser 12
Due to differences between desired color balance and density, etc.
This is a test print. Desired hue or darkness
If there is a difference from the degree, etc., it is stored in the floppy disk 22.
The written data is written by the tester 16 shown in FIG.
I am trying to change it. This tester 16 is shown in FIG.
Those having the same configuration as the main body 18 of the reception machine 10 are denoted by the same reference numerals.
A description of the configuration is omitted by attaching B.   The LCD driver 72B has a disk driver 52 of the tester 16
Read from the loaded floppy disk 22 by key operation.
The data stored in the specified file is displayed.
As shown. The worker looks at this,
Specify the data you want to change and enter it with key operation
Thus, data can be rewritten. Rewriting
Floating disk 22 is finished with disk driver 52
Taken out of the controller and again the disk driver 38 of the control device 36
Is loaded into the printer and the printing process is performed.
).   The operation of the present embodiment will be described below.   The negative film 20 that has been photographed is subjected to a predetermined development process.
And then loaded into the digitizer 26 of the receiving machine 10
Is done. Next, the disk driver 74 of the reception machine 10
The disc 22 is loaded, and the digitizer 26 is operated. Digital
In Tiza 26, the image exposure is made to correspond to the coordinate axis, and the image to be printed
The area of (especially a person) is
And measure the dimensions. Measured dimensions are built-in
Supplied to the microcomputer 56 and temporarily stored in the RAM60.
Remembered. Next, from the loaded floppy disk 22,
Read out the dimensions of the frame to be used
The optimal magnification is calculated according to the modulus and the size of the person.
The calculated magnification is stored in the floppy disk 22 again.
You. Here, the order number of negative film 20 and the number of image exposure
The number is entered by operating the keyboard 70,
Is stored in the floppy disk 22. The above processing is
When finished, floppy disk 22 is replaced by disk driver 74
Extracted to the disk driver 88 of the analyzer 12
Is loaded.   6 to 9 show the control flow chart of the analyzer 12.
The control flow chart is shown below.
It will be explained accordingly.   FIG. 6 shows the main routine. First,
At step 200, initial processing is performed. In this process, the first
Flags applied during file opening or processing
To clear. Initial processing ends at step 200
Move to step 202 and it is currently open
Check the file data and correct all data.
Compensation for each machine type / channel number)
It is determined whether or not. Step 202 deletes all files
If the data correction has been completed, proceed to step 204.
The file is closed and the process ends.   If the file needs to be corrected in step 202,
If it is determined, proceed to step 206 and open the current
Channel number stored in the file
And the enlargement specified by the key operation with the keyboard 90
Judge whether the channel number of machine 14 matches
I do. If they do not match,
Move to Hook 208 and open the currently open file
After closing and opening the specified file,
Move to step 210. Also, in step 206, the two match.
If so, skip step 208 and go to step 210.
Transition.   At step 210, open files are burned
Read the required data and DSL from the read data
After performing each calculation of the value, the CBL value, and the CSL value,
To exposure time, color filter value and correction
Calculate Step 210 and step 212
Will be described later.   In the next step 214, the type of the connected enlarger 14 is set.
Select Ip. When the type of enlarger 14 is Kuromega
Determines that it is necessary to calculate the magnification, and
Go to step 6 and set F = 2, then go to step 218 and double
The rate correction calculation is performed, and the process proceeds to step 222. This times
The rate correction calculation procedure will be described later.   If the type of enlarger 14 is 12C in step 214, double
Since the rate correction calculation is not required, the process proceeds to step 220 and
= 1, then skip step 218 and move to step 222
Run. In step 222, the calculation result is sent to the dot printer.
Output.   Next, the subroutine of step 210 is shown in FIG.
I will explain.   When the data necessary for printing is read out in step 250,
In step 252, the index according to the type of enlarger 14
Output to the dot printer. In this case,
Since the F value has been determined in step 216 or step 220,
Output accordingly. In the next step 254, the DSL value is
Calculate according to here, DSLO: Over slope value DSLU: Under slope value PRT (O, N, U): Print value of print condition file (Values applied to enlarger 14) FVD (O, N, U): FVCA value of print condition file (Values applied in Analyzer 12) It is.   In the next step 256, the CBL value is calculated according to the following equation. CBLC = FVCN-PRCN (3) CBLM = FVMN-PRMN (4) CBLY = FVYN-PRYN (5) here, CBLC: CBL value of cyan CBLM: Magenta CBL value CBLY: Yellow CBL value PR (C, M, Y) N: Print value of print condition FV (C, M, Y) N: FVCA value of print condition It is.   In the next step 258, the CSL value is calculated according to the following formula.
I do. The CSL value is calculated separately for the over side and the under side.
You. (Over side CSL value) CSLCO = (PRCO-PRCN)-(FVCO-FVCN) (6) CSLMO = (PRMO-PRMN)-(FVMO-FVMN) (7) CSLYO = (PRYO-PRYN)-(FVYO-FVYN) (8) (Underside CSL value) CSLCU = (PRCU-PRCN)-(FVCU-FVCN) (9) CSLMU = (PRMU−PRMN) − (FVMU−FVMN) (10) CSLYU = (PRYU-PRYN)-(FVYU-FVYN) (11) here, CSL (C, M, Y) O: Over color slope CSL (C, M, Y) U: Under side color slope PR (C, M, Y) (O, N, U): Print value of print condition file FV (C, M, Y) (O, N, U): FVCA value of print condition file It is.   Next, in step 260, a magnification correction value is calculated. This
Here, when the type of the enlarger 14 being processed is 12C, the magnification is
There is no need to calculate the correction value, so the main routine helicopter
Turn.   If correction is necessary, first use the lens 42 at home magnification.
And the distance BH between the photographic paper 50 set on the easel 48 and
Calculate according to BH = FOCUL (HMAG + 1) (12)   Next, a magnification correction value (T, C, M, Y) MAGH is calculated. CMAGH = HAGC2-PRCN (14) MMAGH = HAGC2-PRMN (15) YMAGH = HAGC2-PRYN (16) here, MAG (T, C, M, Y) 2: Double the print value of the print condition file PR (T, C, M, Y) N: Print value of print condition file FOCUL: Lens focal length of print condition file HMAG: Home magnification of print condition file It is.   When the above calculations are completed, the program returns to the main routine.
You.   Next, referring to FIG.
Will be described.   First, in step 300, the information is displayed on the CRT32 of the analyzer 12.
The cyan image of the displayed (projected) image
It is determined whether cyan on the data of the file is equal to cyan.
Here, if a negative determination is made, the process proceeds to step 302 and
After making corrections to make them equal, proceed to step 304.
Run. If the determination in step 300 is affirmative, the
The process proceeds to step 304, skipping step 302. Step 304
Then, the exposure time is calculated according to the following equation. T_×= (FVD-FVDN) (17) Where T_×: Intermediate value when calculating exposure time FVD: concentration value on the analyzer FVDN: FVCA value in print condition file It is.   Where T_×When <0, it is corrected by the following equation (18), and T_×
When> 0, the correction is made by the following equation (19).   Next, according to the following formula, the exposure time PRT_×Is calculated. PRT_×= PRTN x 10^TX                     ... (20) Here, PRTN: Print value of print condition file It is.   In the next step 306, color calculation is performed. This color
ー Calculate color balance and color slope
You.   The color balance is calculated by the following equation. FVCX = FVC-CBLC (21) FVMX = FVM-CBLM (22) FVYX = FVY-CBLY (23) here, FV (CX, MX, YX): Color balance value It is.   Next, the color slope (PR (C, M, Y)) is calculated by the following formula.
Now, the T obtained by the above equation (17)_×Calculation differs depending on the value
You. (T_×<0) PRC = T₁× CSLCU + FVCX (24) PRM = T₁× CSLMU + FVMX (25) PRY = T₁× CSLYU + FVYX ・ ・ ・ (26) In addition, (T_×= 0) PRC = FVCX (28) PRM = FVMX (29) PRY = FVYX (30) (T_×> Time) PRC = T_Two× CSLCO + FVCX (31) PRM = T_Two× CSLMO + FVMX (32) PRY = T_Two× CSLYO + FVYX ・ ・ ・ (33) In addition,   In the next step 308, the color correction is calculated.
Now. First, the calculation of the color center ((C, M, Y) N) is
Calculate according to (T_×<0) CN = PRCN-(PRCN-PRCU) x T_Two          ... (35) MN = PRMN-(PRMN-PRMU) x T_Two          ・ ・ ・ (36) YN = PRYN-(PRYN-PRYU) x T_Two          ・ ・ ・ (37) (T_×= 0) CN = PRCN (38) MN = PRMN (39) YN = PRYN (40) (T_×> 0) CN = PRCN − (PRCN−RCO) × T_Two                   ・ ・ ・ (41) MN = PRMN-(PRMN-PRMO) x T_Two          ・ ・ ・ (42) YN = PRYN-(PRYN-PRYO) x T_Two          ・ ・ ・ (43)   Next, the total of the collection (PR (C, M, Y) X) is calculated according to the following formula.
Perform the calculation. When CN-PRC> 0 When CN-PRC <0 When MN-PRM> 0 When MN-PRM <0 When YN-PRY> 0 When YN-PRY <0   When the above calculations are completed, the program returns to the main routine.
You.   Next, correction calculation of each data by the magnification of step 218 is performed.
This will be described with reference to the flowchart of FIG.   First, in step 350, the calculation of the magnification ratio MAG is
Do more. here, FMAG: Magnification entered in FVCA HMAG: Home magnification of print condition file It is.   Next, at step 352, the enlarger lens 42 and easel 48
Calculates the distance BX between the photographic paper 50 set in. BX = FOCUL (FMAG + 1) (51) here, FOCUL: Lens focal length of print condition file It is.   Next, a correction calculation of the exposure time is performed. Where
In step 354, the magnification ratio MAG obtained by the above equation (50) is compared with 1.
When the magnification ratio MAG is 1 or more (MAG ≧ 1), the home magnification
Is larger, so go to step 356 and
To calculate the exposure time PRTZ.   Also, when the magnification ratio MAG obtained by the above equation (50) is less than 1
(MAG <1) is when the home magnification is small.
Proceed to step 358 to calculate the exposure time PRTZ by the following formula.
You.   Next, the color calculation value PR (C, M, Y) Z is corrected. This
When the home magnification is large even when correcting the color calculation of
(Step 360) and when small (Step 362)
The calculation formula is different. Here, A: Value obtained by subtracting 1 from twice the magnification It is.   When the above calculations are completed, the program returns to the main routine.
You.   Here, all the calculated values obtained are stored in the floppy disk 22.
This floppy disk 22 is stored in the enlarger 14
It is loaded into the disk driver 38 of the control device 36.   In the enlarger 14, this floppy disk 22
The moving data is read first based on the read data.
Is positioned at a predetermined position. Next, shutter 104 and each
Dimming filters 96, 98, 100 with drivers 106, 108, 110, 11
2 and control the printing process.   The photographic paper 50 that has been printed is finished through a predetermined development process.
When it comes, the worker visually inspects the finished state
You. Judged that the finished state of the photographic paper that has been verified is inappropriate
If this happens, you will need to re-
Rewrite data stored on floppy disk
Will be.   In order to perform this rewriting work, workers must
Remove the disk from the disk driver 38 of the controller 36,
The tester 16 is loaded into the disk driver 52. With a testing machine
Is the data to be rewritten by the key operation of the keyboard 54.
The data is read into the CPU 58B and displayed on the liquid crystal display unit 72B. Workers
Looking at this, you can rewrite the data by key operation.
Wear. Next, the rewritten data is
The rewriting work is completed.   Here, this floppy disk 22 is a disk driver
Removed from 52 and loaded into control unit 36 of enlarger 14
Performs burn-in processing based on the rewritten data.
Can be. Thus, writing data at any time
It is possible to perform a test print
Even if multiple prints are made during actual printing, the same
Finished state.   In this embodiment, the data at the time of printing is analyzed by an analyzer.
Floats for each type of enlarger and channel number
Since you can leave it on the pedisk 22,
Always the same even if the enlarger or channel number is changed
The printing process can be performed in a finished state.   The data stored in the floppy disk 22 is verified
By loading the specified file into the
Test print once
Subtle changes in the finish can be adjusted visually by the operator.
It is always possible to obtain the optimal finish during production printing
it can.   In this embodiment, a floppy disk is used as a recording medium.
However, other recording media such as optical discs and paper tapes
You may. In addition, the enlarger 14 shown in this embodiment is of a subtractive color type.
Exposure method of R (red), G (green),
Introduction of an additive exposure method using a B (blue) filter
It may be a stretcher. [The invention's effect]   As described above, the photographic printing system according to the present invention includes:
Correction data after test print quickly and without errors
The data can be read by the enlarger, and correction data can be input.
It can reduce complexity and speed up processing.
Has excellent effects.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic configuration diagram of a photographic printing system according to the present invention;
FIG. 2 is a block diagram of the reception machine, FIG. 3 is a block diagram of the analyzer, FIG. 4 is a block diagram of the enlarger, FIG. 5 is a block diagram of the tester, and FIG. 6 is a main control flowchart of the analyzer. 7 to 9 show a subroutine for calculating each data in the analyzer. 10 ... Reception machine, 12 ... Analyzer, 14 ... Enlarger, 16
… Inspection machine, 20… Negative film, 22… Froppy disk, 50… Print paper.

Claims (1)

(57) [Claims] An analyzer that records printing condition data on a recording medium from image information obtained from a negative film, an enlarger that performs a printing process based on the data recorded on this recording medium, and a finished photographic paper that has been printed by the enlarger A tester that rewrites the data recorded in the recording medium when it is determined that the data needs to be corrected by examining the data.The enlarger automatically converts the data in the loaded recording medium. And a printing process is performed based on the read data.