Digital Imaging, Photography, Videography. Photography Writing with light

Download Digital Imaging, Photography, Videography. Photography Writing with light

Post on 18-Jan-2016

214 views

Category:

Documents

0 download

Embed Size (px)

TRANSCRIPT

<ul><li><p>Digital Imaging, Photography, Videography</p></li><li><p>PhotographyWriting with light</p></li><li><p>Photography - What is it?What are some of the things it is used for?Visual CommunicationMany different things to different peopleHobby, Avocation, Vocation, Work</p></li><li><p>Photography - History1839 -160 years of photographyUnique ability of silver to react to light energyWilliam Henry Fox TalbotDaguerreEastman - Kodak</p></li><li><p>Subtractive Primaries</p></li><li><p>What is light?Electromagnetic spectrum400-700 nmUltraviolet to InfraredUV shorter than 400 nmIR longer than 700 nmFilms &amp; CCDs(sensors) can record extended range</p></li><li><p>Photography - What is it?Traditional ProcessLight reacts with silver halideCreates latent image(invisible)Chemical process develops imageproduce negative or positivePrint made from negativePhotographic process repeated</p></li><li><p>Photography - What is it?Digital ProcessLight reacts with light sensorCCD, CMOSImage stored in memoryImage in memory downloaded or viewed directlyPrint made from digital file</p></li><li><p>Photographs are converted to bitmapsorCaptured as bitmaps</p><p>Movies are captured as a series of bitmapsEach frame = bitmap</p></li><li><p>Digital ImagesPixels - Picture ElementPixels per inch</p></li><li><p>Computer GraphicsFile TypesBitmapVector</p></li><li><p>BitmapsbmpjpegtiffgifPict(combo)Proprietary</p></li><li><p>Digital ImagesDots per inchLines per inchHalftonesLines per mmhttp://www.ahip.getty.edu/intro_imaging/05-Res.html</p></li><li><p>VectorEPS(?)AIPictCGMWMF</p></li><li><p>ScannersDrumFlatbedFilm</p></li><li><p>ScannersOptical resolutionInterpolated resolution</p></li><li><p>Scanning SoftwarePhotoshop pluginPhoto DeluxeWang ImagingETC.</p></li><li><p>ScanningHow much information do you need?Line Art(One Bit - B&amp;W)Output resolutionGrayscale(254 shades of grey w/B&amp;W)No more than 1.5 final LPIColorSame as grey scaleUnless outputting to high resolution film recorderLPI is NOT DPI</p></li><li><p>Storing Digital ImagesMagneticOpticalArchival</p></li><li><p>StoragePhoto CDFive Resolutions up to 8X10$2.00 per image100 pictures per CDPicture CD1024X768 = 4X6 inch printPicture Disk640X480 = Computer display</p></li><li><p>Resolutionhttp://matsone.csuhayward.edu /tms/imaging/dpidemo.htm</p></li><li><p>Storage SizeMore bitsmore informationBigger sizemore space</p></li><li><p>CompressionLossless for still picturesLZWLossyJPEGMPEGMPEG2 audio layer 3MP3</p></li><li><p>Digital CamerasCCDCMOS</p></li><li><p>Digital CamerasResolutionScreen 640X480Megapixel 1000x10003.3 M approx $800Good quality 8X10</p></li><li><p>Digital Cameras$300 -1500Kodak, Apple, Ricoh, Epson, Olympus$3000-20,000Nikon, Fuji, CanonDigital Back</p></li><li><p>Digital CamerasImage Storage in cameraSCSI HDFloppy DiskBuilt-in RAMSmart MediaMemory Stick(SONY)</p></li><li><p>Digital CamerasImage TransferSerialSCSIParallelUSBFirewire-IEE 1394PCMCIA Card Reader</p></li><li><p>Digital CamerasNumber of PhotosResolution of Photos</p></li><li><p>Digital CamerasExposure ControlsLensQualityZoomDigital Zoom/Optical Zoom</p></li><li><p>Digital CamerasDigital VideoSony DVX 1000(Mini DV)Canon Optura(Mini DV)Sony Digital 8MM(D8)</p></li><li><p>Digital CamerasDigital VideoStorage tapeCD-RDVD-RDigital information</p></li><li><p>Analog CaptureVideo cardRegular VCR(NTSC video)DAC(digital to analog conversion)</p></li><li><p>Digital Stream CaptureFirewireAll ready digitalNo loss in DAC</p></li><li><p>Capture SoftwarePremiereVideo StudioiMovieFinal Cut ProETC.</p></li><li><p>Digital CamerasVideo StorageSCSI HDIDE HDCD-RDVD-R1-20 MB per second</p></li><li><p>Digital ImagesInputProcessingOutput</p></li><li><p>Using Digital ImagesPublicationPresentationElectronic PublicationEmailTraditional Output</p></li><li><p>Advanced UsesElectronic DeliveryQTVRStreaming</p></li><li><p>PlaytimeOlympus 3030StillMovieSmart Media</p></li><li><p>Working material = lightTools = cameras &amp; filmFinal presentation = print or slideSecondary uses = publications of all types</p><p>Working material = lightTools = cameras &amp; filmFinal presentation = print or slideSecondary uses = publications of all types</p></li></ul>