Fujifilm CR Console User manual

FUJI COMPUTED RADIOGRAPHY

CR Console

BLACKENING PROCESSING SOFTWARE

OPERATION MANUAL

1st Edition

July 2005

CR Console Operation Manual

897N0522 Fuji Photo Film Co., Ltd.

2005. 07

MADE IN JAPAN

FUJI PHOTO FILM CO., LTD.

TOKYO 106-8620

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_______________________________________________________________________________________________________________________________________

CR Console Operation Manual

CONTENTS

INTRODUCTION __________________________________________ 3

OPERATIONS ____________________________________________ 4

1. Automatic Blackening Processing ........................................................................ 5

 Updating the Parameters by Exposure Menu......................................... 5

 Updating the Parameters for All Exposure Menus................................. 12

2. Manual Blackening Processing.............................................................................. 14

3. Menus to Which Automatic Blackening Processing is Applicable....................... 23

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INTRODUCTION

This Operation Manual explains how to operate the Blackening Processing Software on
the CR Console.
For other functions/operations, refer to “CR Console OPERATION MANUAL” and
“CR Console OPERATION MANUAL, THE USER UTILITY OPERATIO NS”.

CR Console Operation Manual

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OPERATIONS

Blackening Processing is used to blacken the region out of irradiated field (unnecessary white
region) on an image with arbitrary density.

There are two processing methods: “Automatic Blackenin g Proce ssing ” and “ Ma nu al
Blackening Processing”. Automatic Blackening Processing automatically detects/blackens
regions outside the irradiated field on read images, requiring thus no user operations for this
purpose. Parameters necessary for perfor ming Automatic Blackening Processin g can be
updated as required at the User Utility.

For details of menus to which Automatic Blackening Processing is applicable, see “3. Menus
to Which Automatic Blackening Processing is Applicable”.

When images are subjected to verification on the QA window, Manual Blackening Processing
detects/blackens regions outside the irradiated field by user operations for any image you wish.
Manual Blackening Processing can be applied to an image displayed being targeted for
verification purposes. In addition, it is possible with this processing method to reprocess
correct/ redo) an image that has been subjected to Automatic Blackening Processing.

Automatic Blackening Processing and Manual Blackening Processing can be used either
individually or simultaneously. Select a proper processing method according to what the target
image requires.

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1 Automatic Blackening Processing

Automatically detects and blackens the region out of irradiated field of read images. (Any
operation is not required by users.)

The parameters for the Automatic Blackening Processing can be updated at the User Utility.
Perform the following operation if necessary.

(Notes for performing exposures

Caution to be observed when using Automatic Blackening Processing

Because this processing method uses the pattern recognition technology,
an effective image can be lost, though in a minimal way, depending on whether it was
recognized successfully or not.

For this reason, make sure when you are using this processing that an image area
available on the CR Console is not painted out being retained appropriately.
Use Manual Blackening Processing as necessary to correct or redo the image
appropriately.

• When an effective image area has been painted out:
Clear the blackened area and then re-input an area to be painted.

• When an effective image area has not been painted out completely with a certain
area remaining unpainted:
Clear the blackened area and then re-input an area to be painted or re-input an
area to be painted black additionally without clearing it off once.

→

page 8)

CR Console Operation Manual

 Updating the Parameters by Exposure Menu

Updates the Automatic Blackening Processing parame ter s by each exposure menu.

(1) Starting up the User Utility → Selecting “Menu Setting”

Start up the User Utility and then select “Menu Setting”.

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(2) Selecting exposure menu → Selecting processing

The “Menu Setting - User Utility” is displayed.
List up the exposure menus, select the desired exposure menu, and then select “Edit”.

This section explains how to update the parameters for the existing exposure menus.
If creating a new exposure menu (selecting “New”), the following operation can be performed

as well as the existing exposure menus.

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(3) Setting the parameters

“Exposure Menu Setting - User Utility” is displayed.
Set the parameters at the “Blackening (Shadow Masking) Processing” field of “Exposure

Parameter 3” folder.

No/Yes : Selecting “No” does not perform the Automatic Blackening Processing.

Selecting “Yes” performs it.

Paint Density : Set Paint Density for the Automatic Blackening Processing. The density can

be set in 5 steps: 0 (lightest) → 255 → 511 → 767 → 1023 (darkest). The
density set here will reflect the Manual Blackening Processing.

Margin to be painted:

Select an object paint width for the Automatic Blackening process

recognition result.
Default value: 0 mm.
Setting range: -20 mm to +20 mm (variable in 1 mm increments).

Chest Wall paintout processing:

If you select “Yes”, the system automatically recognizes the white clear

portion of a chest wall image at the time of image input and paints it out.

After setting the above parameters, select “OK”.

(“Cancel”

→

Cancels operation.)

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(4) Completing the update

“Menu Setting - User Utility” is redisplayed.
To update the parameters for another exposure menu, repeat the operation steps from (2).
To complete the update of parameters, select “OK” and then end the User Utility.

– Notes for performing exposures –

Be cautious for the following points when performing exposures to take the target images for
the Automatic Blackening Processing:

{ General notes

• When performing exposures, refer to no tes desc ribed in the Operation Manual (Chapter
Z) of the FCR Image Reader.

• This processing does not apply to an exposure menu that involves energy subtraction or
image stitching.

{ Note for split exposure

• Automatic Blackening Processing provides support to split exposure in the following
patterns.

No splits Two vertical splits Two horizontal splits

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{ Notes on the irradiated field

• When performing split exposures, separate irradiated fields appropriately so that they do
not overlap with each other.

(Good) (Not good) (Not good)

• Collimation applies only to rectangles. Therefore, do not set collimation to irradiated field
other than rectangles, such as circle, ellipse, semi-circle, polygon and others.

(Good) (Not good) (Not good)

• Make sure that the IP center is inside the irradiated field. For split exposures, make sure
that the center of each split area is inside the irradiated field.

(Good) (Not good) (Good) (Not good)

• A lead character or marker should be located within the irradiated field. If a lead character
or marker is outside the irradiated field, it will be painted out by this processing or will
not be recognized appropriately or will be recognized incorrectly.

Automatic Blackeni n g Pr ocessing

Automatic Blackeni n g Pr ocessing

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{ Other notes
In the cases shown below, an image area may not be painted out as it is not recognized

correctly or it is recognized incorrectly by Automatic Blackening Processing. In such an
instance, devise a proper exposure metho d as nec ess ar y or correct the image appropriately
by using Manual Blackening Processing.

• Do not set the side of the irradiated field too short, otherwise it is highly probable that the
excessively short side may not be recognized properly remaining then unpainted. (White
portions marked with arrows in the illustration below represent those that were recognized
erroneously or those that might not be recognized properly remaining then unpainted.)

Automatic Blackening Processing

Automatic Blackening Processing

• Do not approximate the side of the irradiated field too close to one end of the IP. It is
highly probable that the side of the irradiated field positioned too close to one end of the
IP will not be recognized remaining unpainted. (The white portion marked with an arrow
in the illustration below represents a portion that might not be recognized remaining then
unpainted.)

Automatic Blackening Processing

• Position the side of the irradiated field so that it does not overlap with an artificial object,
such as a protector, or any thick subject. It is highly possible that the side of the irradiated
field that appears unclear, as it overlaps with an artificial object, such as a protector, or
any thick subject, will not be recognized remaining then unpainted. (The white portion
marked with an arrow in the illustration below represents a portion that might not be
recognized remaining then unpainted.)

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Automatic Blackening Processing

Automatic Blackening Processing

CR Console Operation Manual

• When performing split exposures, be sure to keep sufficient space between irradiated
fields. If not, probability of occurrence of failure may increase when recognizing split
processing.

Automatic Blackeni n g Pr ocessing

Depending on whether Blackening Processing was applied or not, image processing, such as
DR compression and others, performed around the irradiated field will result in different
outputs. Use Manual Blackening Processing as necessary to change the frame to be painted out
slightly larger than the irradiated field.

When no Blackening Processing was applied:

•

Image Processing

When Blackening Processing was applied:

•

Image Processing

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 Updating the Parameters for All Exposure Menu

Updates the Automatic Blackening Processing parameters for all exposure menus at once. This
function is only for super users, so that general users can not operate it.

(1) Starting up the User Utility → Selecting “Parameter Batch Updating”

Start up the User Utility for super users, and then select “Parameter Batch Updating”.

(2) Selecting parameter

“Parameter Batch Updating - User Utility” is displayed.
Put a checkmark in the checkbox of the “Blackening (Shadow Masking) Processing” field.

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(3) Executing the update

Set the parameters.

→

(Details of parameters

page 7)

CR Console Operation Manual

Select “Execute” after the above parameter setting.

(“Cancel”

→

Cancels operation.)

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2 Manual Blackening Processing

Performs differentiation/blackening of the region out of irradiated field on the specific image
through operation by users. It is also possible to reprocess (correct or redo) the image to which
the Automatic Blackening Processing has been performed.

(1) Displaying screen → Switching processing mode

Select the target image to be processed, display the Image Edit Screen (by image/by study),
and then select “Palette 1” folder tab.

Select

. The processing mode is switched.

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When the processing mode is switche d, the obj ects f or the Blackening Proc essing are
displayed.

Status display field

:
:
:
:
:
:
:
:
:

Inputs polygon region. (page 16)
Inputs rectangle region. (page 18)
Deletes an input point. (page 16, 18)

Inverts the blackened region. (page 20)
Switches the preview display. (page 20)

Deletes all input points. (page 16, 18)
Clears the blackened region. (page 21)
Reduces the image region. (page 16)
Restore previous status for the operation to change the polygon region

and rectangle region. (page 17, 19)

Status display field : When selecting as a target the image to which the Automatic

Blackening Processing has been performed, “ON” is displayed at this
field. (When no Automatic Blackening Processing has been
performed, “OFF” is displayed here.)

When performing the Manual Blackening Processing with the result of

the Automatic Blackening Processing, move to the next section’s
operation.

When performing the Manual Blackening Processing after clearing the

result of the Automatic Blackening Processing, clear the blackened
region first (page 21) and then move to the next section’s operation.
(performing this operation clears the status display.)

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(2) Inputting region

To differentiate the blackening region from other region, input polygon region or rectangle
region. Perform the following operations.

The number of regions that can be input for one image are maximum eight totaling polygon
regions and rectangle regions.

- Reducing an image -

Select
specified. Selecting

when you wish to reduce the image region so that one end of an image is easily

with an image reduced accordingly will restore the original size.

Polygon region :

Select
Selecting

and then select vertexes of the polygon (maximum 64 points) in order on the image.

during this operation deletes the prior input point, and selecting the starting point

at last determines the polygon region. (Points cannot be input outside of the image region.)
To input more than one polygon, select

To delete all input points of this operation, select

again and repeat the operation.

. (The region that has been blackened is

not deleted.)

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Changing the polygon region :

Select the polygon region you wish to change. Select any vertex and then move it so that the
selected polygon region is changed to form a different shape.

Select

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to restore previous status for the operation to change the poly gon re gio n.

CR Console Operation Manual

Rectangle region :

Select
image. After the starting point input is done, selecting

and then select the starting and ending points of the rectangle diagonal on the

deletes the starting point, and

selecting the ending point determines the rectangle region. (Points cannot be input outside of
the image region.)

To input more than one rectangle, select
To delete all input points of this operation, select

again and repeat the operation.

. (The region that has been blackened is

not deleted.)

Changing the rectangle region :

Select the rectangle region you wish to change. Select any vertex and then move it so that the
selected rectangle region is changed to form a different shape.

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Select

to restore previous status for the operation to change the rec t an gle regi on.

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(3) Displaying preview

Select

. The outside of input region is blackened with the default setting. To invert the

region to be blackened (outside/inside of the input region), select
To redo the region input, select

again to release the preview display and then re pe at the

operation steps from (2).

.

When polygons overlap with each other, the processing result will become as shown in the
example below:

Outside of region is blackened. Inside of region is blackened.

NOTE

• The paint density is reflected by the density setting (page 7) with which the image is read.

Although the paint density setting is changed, this new setting does not affect read images
before change. Therefore, the paint density for the same exposure menu may differ
depending on the timing of image reading.

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– Clearing blackened region –

When reprocessing images to which the Blackening Processing has been performed, the
blackened region can be cleared and restored to the original image.

Select

.

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(4) Completing processing

Select
the previous mode.

. The result of the processing is saved and the processing mode is returned to

Cancels operation.

:

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3 Menus to Which Automatic Blackening Processing is

Applicable

Automatic Blackening Processing can be applied to various menus. The table below presents
menus on which the Automatic Blackening Processing can be executed, being available for
providing support to the split exposure processing.

MPM MENU

0001 SINUS, WATER‘S/CALD
000B MASTOIDS
0011 SINUS, LATERAL
0021 FACIAL BONES
0031 FACIAL BONES, LAT.
0041 PRE-MRI ORBITS
0204 CLAVICLE/AC JNTS
0600 HUMERUS
0601 FOREARM
0606 HAND
0607 FINGER
0610 ELBOW
0611 WRIST
0616 HAND, LATERAL
0620 UPPER EXT. CAST
0700 FEMUR, DISTAL
0701 TIB/FIB
0706 FOOT
0710 KNEE, AP/OBL
0711 ANKLE
0716 FOOT, LATERAL
0720 KNEE, LATERAL
0730 LOWER EXT. CAST
0731 CALCANEOUS, AXIAL

The table below presents menus on wh ich the Automatic Blackening Processing can be
executed. Note, however, that these menus do not provide support to split exposure processing.

MPM MENU
0000 SKULL, AP/PA
0002 MANDIBLE, OBLIQUE
0003 ORBIT
0006 SKULL, PEDIATRICS
000C SKULL, S.M.V.
000D CEPHALOGRAPHY
000E ZYGOMATIC ARCHES
0010 SKULL, LATERAL
0016 SKULL, PED.-1
001E NASAL BONES, LAT.
0020 SKULL,TOWNES
0101 C-SPINE, AP/OBL
0111 C-SPINE, LAT.
0121 C-SPINE LAT.FIXED
0131 SWIMMERS FIXED
0200 CHEST, PA
0201 T-SPINE, AP

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0207 CHEST,PED(0-3YRS)

0209 T-SPINE,LAT.
020B SHOULDER
020E CHEST, GENERAL-2
0210 CHEST, SPECIAL-1
0211 SHOULDER, “Y” VIEW
0217 CHEST, PED.-1
0220 CHEST, SPECIAL-2
0227 CHEST, NEONATE
0230 CHEST, LATERAL
0237 CHEST, PED PORT.
0240 CHEST, AP NON-GRID
0250 CHEST, PORTABLE
0260 CHEST, DECUB.
0270 CHEST, PED(4-10YRS)
0280 CHEST, AP(GRID)
02A0 CHEST, PA X-WISE
02B0 CHEST PORT X-WISE
0400 ABDOMEN, GENERAL
0402 ABDOMEN, PEDS
0410 ABDOMEN, UPRIGHT
0412 ABDOM., PED.-1
0420 ABDOMEN,DECUB.
0422 ABDOMEN,PED. PORT
0430 ABDOMEN, PORTABLE
0432 ABDOMEN, NEONATE
0440 U.G.I.
0442 PEDIATRIC G.I.
0450 B.E.
0460 S.B.F.T.
0501 L-SPINE AP/OBL
0508 HIP JOINT
050A HIP J., PEDIATRICS
050C HIP, X-TABLE LAT.
0511 LUMBAR, LATERAL
0518 FEMUR,PROXIMAL
051A HIP J., PED.-1
0521 SWIMMERS
0528 HIP X-TABLE FIXED
0531 L-SPINE LAT. FIXED
070B KNEE, SUNRISE
071B PATL.AXL.,ARTHRO:C
1403 I.V.P.
1404 G.B./PANCREATIC DUCT

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FUJIFILM MEDICAL SYSTE MS U.S.A., INC.

419 WEST AVENUE, STAMFORD CT 06902, U.S.A.

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