BETTER IMAGE PRESENTATION A GUIDE TO PREPARING ENTRIES TO CLUB - - PowerPoint PPT Presentation
BETTER IMAGE PRESENTATION A GUIDE TO PREPARING ENTRIES TO CLUB COMPETITIONS MIKE BRINDLE & JEREMY RODWELL - 3 JUNE 2019 IMPORTANT PRELIMINARIES WE ARE VOLUNTEERS BUT NOT EXPERTS OUR AIM IS TO HELP THOSE WHO ARE EVEN LESS EXPERT
MIKE BRINDLE & JEREMY RODWELL - 3 JUNE 2019
IMPORTANT PRELIMINARIES
FOR YOUR INFORMATION
THIS GUIDE TO BETTER PRESENTATION STARTS WITH A YOUR WELL MADE AND RELEVANT IMAGE.
WE WILL TAKE YOU THROUGH THE PROCESS OF PREPARING YOUR IMAGE FOR A COMPETITION OR ASSESSMENT. THE AIM IS ENSURE YOUR IMAGE CAN BE ENTERED, VIA THE CLUB’S WEB SITE AND IS ENJOYED BY THE ASSESSOR, AND THAT YOU AVOID SERIOUS TECHNICAL FAULTS!
CURRENT KLDCC WEB SITE COMPETITION GUIDELINES AS OF 31 MAY 2019
resolution at least 72dpi, as a jpeg file (Baseline “Standard” NOT Progressive) using maximum dimensions (irrespective of orientation or proportions) of 1920 pixels wide and 1200 pixels high by midnight on the previous Saturday.
resolution at least 72dpi, as a jpeg file (Baseline “Standard” NOT Progressive) using maximum dimensions (irrespective of orientation or proportions) of 1920 pixels wide and 1200 pixels high) by midnight on the previous Saturday. In addition
dimensions may not fit our display rails).
Bring your print(s) to the Club by 7.20pm on the evening of the competition
ENTRIES . . . . LET’S BE CLEAR!
CRITERIA PRINTED IN THE GUIDELINES ON THE WEB SITE.
PRINTED IN THE GUIDELINES ON THE WEB SITE PLUS AN IMAGE FILE THAT MEETS THE CRITERIA PRINTED IN THE GUIDELINES ON THE WEB SITE.
COMPETITION TYPES
PROJECTED IMAGES PRINTS OPEN COMPETITIONS DEFINED* COMPETITIONS
HOW TO AVOID THE JUDGE’S OPPROBRIUM
PDI = PROJECTED DIGITAL IMAGE. NOT DPI = DOTS PER INCH OF AN INKJET PRINTER
WHAT ARE THE COMMONLY ENCOUNTERED OBSTACLES TO GOOD TECHNICAL PROCESSING & PRESENTATION?
MANAGEMENT (OF BOTH COLOUR & MONOCHROME IMAGES).
NEEDED FOR ENTERING AND FOR PROJECTING.
PRINTING AND MOUNTING, AND LATE DELIVERY.
SO . . . THE ISSUES WE WILL ADDRESS
LET’S START WITH MANAGING THE TONES, HUES AND COLOURS OF YOUR IMAGE
YOU DO NEED TO HAVE SOME UNDERSTANDING OF COLOUR MANAGEMENT TO BE ABLE TO CONTROL THE COLOUR SPACE (OFTEN REFERRED TO AS THE GAMUT) OF YOUR IMAGE.
COLOUR MANAGEMENT CONFUSION
WHAT ARE THESE TERMS AND WHY DO WE NEED TO KNOW ABOUT THEM?
FIRST, A REMINDER OF THE COMPOSITION OF VISIBLE LIGHT!
COLOUR MODELS
There are two that we should know about
RGB COLOUR MODEL
RGB IS A COLOUR MODEL THAT USES THREE PRIMARY ADDITIVE COLOURS THAT CAN BE MIXED TO MAKE ALL THE OTHER COLOURS. USED IN CAMERAS, MONITORS AND INKJET PRINTERS
CMYK COLOUR MODEL
CMYK IS COLOUR MODEL THAT USES FOUR ABSORBING OR SUBTRACTING COLOURS USED IN PRINTING * WHAT DOES K MEAN?
COLOUR SPACE OR GAMUT
THIS IS A MORE DIFFICULT CONCEPT TO GRASP BUT IMPORTANT IF YOU WISH TO MAINTAIN CONTROL OF THE APPEARANCE OF YOUR IMAGE
COLOUR SPACE (GAMUT)
A COLOUR SPACE IS A CONCEPT TO HELP US TO UNDERSTAND THE COLOUR CAPABILITIES OF A PARTICULAR DEVICE. WHEN TRYING TO REPRODUCE THE COLOURS SHOWN ON ONE DEVICE ON ANOTHER DEVICE, THE COLOUR SPACE OF EACH DEVICE CAN REVEAL WHETHER WE WILL BE ABLE TO RETAIN SHADOW & HIGHLIGHT DETAIL AND COLOUR SATURATION ON THE SECOND DEVICE, AND BY HOW MUCH EITHER WILL BE COMPROMISED.
HOW WE CAN VISUALISE COLOUR SPACES
A 3 DIMENSIONAL COLOUR SPACE RELATES NUMBERS TO ACTUAL COLOURS. IT IS A THREE-DIMENSIONAL OBJECT WHICH CONTAINS ALL THE COLOUR COMBINATIONS. EACH DIRECTION REPRESENTS LIGHTNESS, SATURATION OR HUE.
SOME COMMON COLOUR SPACES USED IN OUR PHOTOGRAPHY
SUPERIMPOSED ON A REPRESENTATION OF OUR OWN VISIBLE COLOUR SPACE
YOUR IMAGE DATA GOES ON A JOURNEY
YOUR IMAGE IS CREATED BY YOUR DIGITAL CAMERA. IT IS RECORDED ON AN SD CARD (OR SIMILAR), DOWNLOADED INTO YOUR COMPUTER AND THEN VIEWED ON YOUR MONITOR. AFTER YOU HAVE PROCESSED THE FILE (IN LIGHTROOM OR PHOTOSHOP PERHAPS) YOU MAY SEND IT TO YOUR OWN INKJET PRINTER OR TO A COMMERCIAL PRINTER OR YOU MAY SEND IT VIA THE INTERNET TO BE SEEN ON ANOTHER COMPUTER OR SHOWN ON THEIR MONITOR.
EACH DEVICE WILL HAVE ITS OWN BUILT IN COLOUR SPACE LIMITATIONS
EACH TIME AN IMAGE FILE IS PASSED FROM ONE DEVICE TO ANOTHER, SUCH AS CAMERA TO COMPUTER, IT MUST BE MODIFIED OR CONVERTED TO FIT WITHIN THE LIMITS OF THE RECEIVING DEVICE.
COLOUR SPACES AND PROFILES ‘PROFILES’ ARE APPLIED TO AN IMAGE FILE OR PIECE OF EQUIPMENT
TO OVERCOME MISMATCHED COLOUR SPACES.
USING A PROFILE.
FROM ONE DEVICE TO ANOTHER. E.G. FROM A CAMERA TO A HARD DRIVE. THE COLOUR SPACE WILL ALSO BE CHANGED DURING YOUR IMAGE PROCESSING.
DEFAULT OR INTENDED SETTINGS. IT MAY NEED TO BE RECALIBRATED AND AN UPDATED PROFILE APPLIED.
HOW DOES IT WORK? MANAGING COLOUR WITH PROFILES
DEVICE AND THE IMAGE
MANAGEMENT SYSTEM IDENTIFIES THE IMAGE’S ACTUAL COLOURS
MANAGEMENT SYSTEM HOW TO TRANSLATE THE IMAGE’S NUMERIC VALUES TO THE MONITOR’S COLOUR SPACE
MANAGEMENT SYSTEM TRANSLATES THE IMAGE’S NUMERIC VALUES TO THE COLOUR VALUES OF THE OUTPUT DEVICE SO THE CORRECT APPEARANCE OF COLOURS IS PRINTED
COLOUR SPACE CONVERSION
DURING THESE TRANSLATION STAGES THE SYSTEM ATTEMPTS TO CREATE A BEST MATCH BETWEEN DEVICES - EVEN WHEN SEEMINGLY INCOMPATIBLE. IF THE ORIGINAL DEVICE HAS A LARGER COLOUR GAMUT THAN THE FINAL DEVICE, SOME OF THE THOSE COLOURS WILL BE OUTSIDE THE FINAL DEVICE'S COLOUR SPACE. THESE "OUT-OF-GAMUT COLOURS" OCCUR WITH NEARLY EVERY CONVERSION AND ARE CALLED A GAMUT MISMATCH.
SO . . . WHAT ARE THE PRACTICAL IMPLICATIONS?
UNCOMPRESSED FILE IN A WIDE COLOUR SPACE (SUCH AS PROPHOTO RGB) YOU HAVE GREATER OPPORTUNITIES TO POST-PROCESS THE CAPTURED FILE AND DEAL WITH ANY ISSUES OF WHITE BALANCE, BLOCKED BLACKS AND BURNT WHITES AND COLOUR IMBALANCES, AND TO CROP WITHOUT INTRODUCING ARTEFACTS SUCH AS LOSS OF RESOLUTION, HALOS OR PIXILATION, BY COMPARISON
COMPRESSED FILE (JPEG) YOU HAVE FEWER OPPORTUNITIES TO POST-PROCESS AND CORRECT ANY PROBLEMS IN THE CAPTURED FILE . . . . BUT IT IS SIMPLER!
AND TO REVEAL ARTEFACTS
8-BIT JPEG FILE DOWNLOADED IN LIGHTROOM & DEVELOPED IN PHOTOSHOP AS A 16-BIT TIFF OK, A BIT OVER PROCESSED!
PART 2 LET’S JUST DO IT!
1. PROFILE YOUR MONITOR 2. PROFILE YOUR PRINTER (PRINTER, INK, PAPER) 3. PREPARE YOUR ENTRY 4. REGISTER IT (WITH ITS THUMBNAIL PDI)
PLUS, WHEN ENTERING A PRINT:- 1. CHOOSE YOUR INK & PAPER 2. PRINT USING AN UP-TO-DATE PROFILE 3. CHOOSE & CUT A MOUNT BOARD 4. DECIDE TO SURFACE MOUNT OR A CUT MOUNT 5. TAPE IT WHERE IT MATTERS AND NOWHERE ELSE 6. BRING YOUR PRINT TO THE CLUB ON TIME
PROFILING YOUR MONITOR
OF THIS TEST IMAGE. IN LOW AMBIENT LIGHT COMPARE THE PRINT AGAINST THE MONITOR AND ADJUST THE SETTINGS ON THE MONITOR TO GET A BEST MATCH.
PROGRAM
PAGES HTTP://WWW.LAGOM.NL/LCD-TEST/ . STILL A FIDDLE
MONITOR CALIBRATION KITS
COLOR MUNKI £130
GUIDE SETTING UP , MEASURING, RECORDING AND APPLYING A NEW PROFILE
PROFILING YOUR PRINTER FOR USE WITH A SPECIFIC PRINTER INK AND PAPER COMBINATION.
NO EMBEDDED COLOUR PROFILE.
YOUR COMPUTER, POLITELY, TO ‘LEAVE AS IS (DON’T COLOUR MANAGE)’.
COMBINATION.
AN EXAMPLE FROM FOTOSPEED
DOWNLOADED FROM FOTOSPEED.
YOU USE THAT PAPER/INK/PRINTER COMBINATION
Printer’s Print Settings Select Settings from a group previously installed Media Type. Select the generic paper group you used for profiling this printer, paper and ink Mode is OFF (No Colour Adjustment) Print Preview ? A hazard Photoshop’s Print Settings Color Handling - Software Manages Colours . . . not the Printer Printer Profile - Selected from the drop down list of profiles created for this printer, paper and ink Rendering Intent - Compresses out-of-gamut colours into the gamut of the print while retaining the visual relationship between all the colours. Perceptual preferred to Relative Colorimetric Black Point Compensation - Adjusts for differences in black points when converting colours
PROFILE FOR THIS INK AND PAPER
IMAGE YOU SHOULD CHECK THE ACCURACY OF THE CALIBRATION BY PRINTING A TEST IMAGE.
RENDERING INTENT
WHEN YOU CONVERT FROM ONE COLOUR SPACE TO ANOTHER, ANY COLOURS THAT ARE OUTSIDE THE DESTINATION SPACE ARE "OUT OF GAMUT" COLOURS SINCE THEY CAN'T BE REPRESENTED ACCURATELY IN THE NEW SPACE. OUT OF GAMUT COLOURS WILL BE EITHER ’CLIPPED’ OUT OR ‘RE- MAPPED’ INTO THE SMALLER COLOUR SPACE, DEPENDING ON THE RENDERING INTENT.
CHANGING THE COLOUR SPACE DURING PROCESSING WITH PHOTOSHOP
HTTPS://WWW.CAMBRIDGEINCOLOUR.COM/TUTORIALS/COLOR-SPACE-CONVERSION.HTM
SPACE OR GAMUT TO ONE WITH A SMALLER COLOUR SPACE SOME COLOUR RANGES WILL BE OUTSIDE THE NEW GAMUT.
RENDERING INTENT IN PHOTOSHOP PERCEPTUAL * SATURATION * RELATIVE COLORIMETRIC ABSOLUTE COLORIMETRIC
PERCEPTUAL & RELATIVE COLORIMETRIC INTENT
Relative colorimetric maintains a near exact relationship between in gamut colours, even if this clips out-of-gamut colours. Perceptual rendering tries to also preserve some relationship between out-of-gamut colours, even if this results in inaccuracies for in-gamut colours.
A BETTER CHANCE TO SELECT THE BEST RENDERING INTENT?
YOU HAVE A BETTER OPPORTUNITY TO CHOOSE RENDERING INTENT AS
WELL AS TO MAKE FINAL ADJUSTMENTS TO THE IMAGE FILE IF YOU USE SOFT PROOFING. GO TO :- HTTPS://WWW.YOUTUBE.COM/WATCH?V=J48ZCMJP47O
THANKS TO ANDY BADEN FOR THIS
OK, SO THE INK/PAPER/PRINTER COMBINATION HAS BEEN PROFILED NOW WHAT? WE ARE READY TO PRINT
GOOD, BUT - WHAT CAN STILL GO WRONG WITH YOUR PRINTING?
RESOLUTION
PAPER ADVANCING TOO FAST TOO SLOW OR SKEWED. BI- DIRECTIONAL JETTING, GRADIENT BANDING IN 8-BIT IMAGES
NOW IT’S TIME TO MOUNT YOUR PRINT
DECISIONS - MOUNTING YOUR PRINT
DIY WITH LARGE BOARD (THE RANGE). SINGLE OR DOUBLE MOUNT.
MOUNT CUTTING KIT
Logan Cutting Board #350 with a right angle - about £150 Cutters (90 and 45 deg) - about £40 each Long Logan Ruler Knife Bone Scissors Pencil Eraser
< pre-cut 40x50 cm pre-cut frame for A4 > < double mounted surface mounted >
WHAT COLOUR MOUNT BOARD?
ESPECIALLY WITH SMALL PRINTS (A4) ON A LARGE MOUNT (40X50CM)
COLOUR PRINTS
BLACK AND WHITE PRINTS
COLOUR PRINTS - WHITE, GREY OR BLACK MOUNTS
B&W PRINTS - WHITE, GREY OR BLACK MOUNTS
ADHESIVES AND TAPE
Herma removeable adhesive dots in a dispenser Framing tape paper-based NOT B&Q
AND, ON REFLECTION,
DANGER WITH THIN PHOTO PAPER FROM CHANGES IN HUMIDITY
A BACKING BOARD MAY BE USEFUL
AND ANY OTHER DETAILS REQUIRED
AND WON’T DAMAGE ANY OTHER PRINT IN A STACK OF OTHER PRINTS.
NOW WE HAVE A PREPARED AN IMAGE FOR A PROJECTED IMAGE COMPETITION OR FOR A PRINT COMPETITION
CHECK THE COMPETITION GUIDELINES ON THE WEB SITE WHEN YOU ARE READY TO SUBMIT AN ENTRY YOU WILL NEED A ‘THUMBNAIL’ COPY OF YOUR IMAGE TO REGISTER IT.
YOUR ENTRY PDI
FOR A PROJECTED IMAGE OR A PRINT YOU WILL NEED TO SUBMIT AN IMAGE FILE IN JPEG FORMAT TO FIT WITHIN AN AREA 1920 PIXELS WIDE AND 1200 PIXELS HIGH “AND WITH A RESOLUTION NOT LESS THAN 72 DPI”
PDIS (PROJECTED DIGITAL IMAGES). REGISTER YOUR ENTRIES VIA THE CLUB WEBSITE. UPLOAD USING THE SRGB COLOUR SPACE, AS A JPEG (JPG) FILE USING A JPG QUALITY OF 10 OR HIGHER, IMAGE TYPE OF BASELINE “STANDARD” - NOT "PROGRESSIVE", WITH A MAXIMUM IMAGE WIDTH OF 1920 PIXELS AND MAXIMUM IMAGE HEIGHT OF 1200 PIXELS. THE MAXIMUM FILE SIZE FOR EACH IMAGE UPLOADED IS 5MB. UPLOAD YOUR ENTRY BY MIDNIGHT ON THE SATURDAY NINE DAYS BEFORE THE COMPETITION.
COMPETITION
NEW - REGISTERING YOUR PRINT ENTRY
FOR A PRINT YOU WILL NEED TO SUBMIT ALSO AN IMAGE FILE IN JPEG FORMAT TO FIT WITHIN AN AREA 1920 PIXELS WIDE AND 1200 PIXELS HIGH “AND WITH A RESOLUTION NOT LESS THAN 72 DPI”
EACH PRINT, WHICH WILL BE PROJECTED FOR THE AUDIENCE TO VIEW WHILE THE JUDGE ASSESSES YOUR PRINTS. REGISTER YOUR ENTRIES VIA THE CLUB WEBSITE. FOR THE PROJECTED IMAGES OF YOUR PRINTS (PLEASE MAKE SURE THAT THESE APPEAR IDENTICAL TO THE PRINTS THEMSELVES – ALLOW FOR PRINT EDGES CUT OFF BY MOUNTS), UPLOAD USING EXACTLY THE SAME PARAMETERS AS GIVEN ABOVE FOR PDIS, AND UPLOAD THEM BY MIDNIGHT ON THE SATURDAY NINE DAYS BEFORE THE COMPETITION. MAKE SURE THAT THE TITLE YOU GIVE YOUR JPG UPLOAD IMAGE IS THE SAME TITLE AS YOU WRITE ON THE BACK OF YOUR PRINT. FOR THE PRINTS THEMSELVES, PRESENT EACH PRINT IN OR ON A MOUNT BOARD EXACTLY 50CM X 40CM – THE MOUNT CAN BE LANDSCAPE OR PORTRAIT FORMAT. THESE ARE THE INTERNATIONALLY RECOGNISED MOUNT DIMENSIONS FOR COMPETITION SUBMISSIONS, AND SMALLER OR LARGER DIMENSIONS MAY NOT FIT OUR DISPLAY RAILS, AND COULD BE DISQUALIFIED. PRINT YOUR NAME AND THE TITLE OF YOUR IMAGE ON THE BACK OF EACH PRINT MOUNT BOARD IN THE TOP LEFT CORNER. NOTHING MUST BE WRITTEN ANYWHERE ON THE FRONT OF THE MOUNT. BRING YOUR PRINTS TO THE CLUB BY 7:15PM ON THE EVENING OF THE COMPETITION TO ALLOW THEM TO BE SORTED, AND PREVIEWED BY THE JUDGE BEFORE WE START. CHECKLIST FOR PRINTS
CREATING THAT THUMBNAIL FOR PROJECTION (PDI OR TO ACCOMPANY A PRINT)
TO CREATE A THUMBNAIL TO REGISTER YOUR ENTRY
THROUGH THE LIGHTROOM LIBRARY/EXPORT MODULE
LIGHTROOM LIBRARY/EXPORT SCREEN
MAKING A PRESET THUMBNAIL FOR ENTERING KLDCC COMPETITIONS - 1 Export Location - to Desktop & Place the exported file into a named subfolder.
MAKING A PRESET THUMBNAIL FOR ENTERING KLDCC COMPETITIONS - 2
RENAME FILE - IF YOU WISH FILE SETTINGS: JPEG & SRGB, QUALITY 60 IMAGE SIZING - RESIZE TO FIT - W:1920PX H:1200 PX RESOLUTION: IRRELEVANT BUT DEFAULT IS 240 PPI (BUT 300 OR 360 FOR INKJET PRINTER OR FOR LAB PRINTS CHECK WITH PROVIDER). SHARPEN FOR SCREEN – STANDARD AND SAVE (ADD) THE PRESET AS, SAY, ‘KL&DCC PDIS’
WHEN PREPARING A PDI FILE FOR ENTERING AND/OR PROJECTING, BEAR IN MIND THE BACKGROUND OF THE PROJECTED IMAGE
BACKGROUND THE EDGES OF A DARK IMAGE MAY NOT BE DISCERNIBLE OR IF YOUR PDI IS TO BE PROJECTED ONTO A WHITE BACKGROUND THE EDGES OF A LIGHT IMAGE MAY NOT BE DISCERNIBLE
SO ADD A FINE WHITE OR BLACK BORDER (STROKE)
FINALLY YOU ARE NOW READY TO ENTER
FIRST DOUBLE CHECK THE GUIDELINES HTTPS://KLCAMERACLUB.ORG.UK/COMPETITION- GUIDELINES/ THEN GO TO HTTPS://KLCAMERACLUB.ORG.UK/ENTER-COMPETITION/ AND PROCEED TO COMPLETE THE ON-LINE ENTRY FORM.
ENTERING KLDCC COMPETITIONS
BEFORE EACH SCHEDULED (OPEN OR NAMED) COMPETITION YOU WILL BE INVITED VIA THE WEB SITE TO ENTER ONE OR MORE PROJECTED IMAGES AND/OR PRINTS IN BOTH CASES YOU WILL NEED TO HAVE PREPARED AN IMAGE FILE AND TO ENTER THE APPROPRIATE COMPETITION VIA THE CLUB WEBSITE, USING A SMALL COPY OF THE IMAGE AND, IN THE CASE OF A PRINT COMPETITION, TO BRING YOUR MOUNTED PRINT TO THE CLUB ON THE EVENING OF THE COMPETITION BY 7.20PM, IN TIME FOR THE JUDGE TO PREVIEW IT.
IT REMAINS POSSIBLE TO MAKE AN IMAGE IN JPEG, PRINT IT ON THE HIGH STREET, MOUNT IT ON A PIECE OF CARD FROM THE RANGE AND ENTER IT INTO A COMPETITION AND STILL BE HAPPY WITHOUT BOTHERING ABOUT FILE TYPE AND SIZE, POST- PROCESSING, PROFILES, COLOUR MANAGING, OUT-OF- GAMUT COLOURS ETC., ETC.
BUT HAVE YOU MADE THE MOST OF YOUR ENTRY