digitalcamera39sandwebcams-文庫吧資料
2024-10-07 21:43本頁面
【正文】 d ? Sequence 1 frames per second, more than 4 frames in HQ mode. Other Features cont’d ? For 16 mb card. HQ Movie: 320 x 240 15 fps: 16 sec. max per movie SQ Movie: 160 x 120 15 fps: 40 sec. max per movie – Stylus 300 – no sound however. ? Flash Variation – Timed, red eye, nighttime, low light Other Features cont’d ? Viewing – RCA video out? ? USB file transfer ? Date/Time stamp ? Image Preview – use power, use viewfinder if possible WebCams ? Cheap $50 ? USB – Universal Serial Bus ? Sometimes include a microphone ? Lower Resolution ? Good for video conferencing ? Resolution – typically 380 lines, smaller than regular TV Web Cams ? Ether/wireless WebCAM connect to the inter allows remote control through the inter can automatically take a picture when detecting movement ? IR WebCams – no light conditions. Whew!!! ? A little knowledge is dangerous ? Callling all Carbon Units Go forth and use your technology Credits ? ? ? Technology Advancement Group – Natasha Scott, Martin Voelkening Resources ? Website that reviews digital cameras ? – open source imaging software ? imaging resources website ? . Battery information Thanks! 。t obvious. Image Compression cont’d ? Jpeg – Variable Compression – dramatic reduction in file size Flash ? Flash Range? ? Flash Working RangeWide: 8 – 39。t have to digitize frames because they are captured in a digital format. But ? Some digital still cameras are capable of capturing short video sequences and some digital video cameras can also capture still images. ? Resolution is higher with digital cameras Camera’s Cont’d Cell Phones, Watches Sensors ? Two flavours, CCD (Charge Couple Device ) and CMOS (Complementary MetalOxide Semiconductor) This photo shows the pixels on an image sensor greatly enlarged. Courtesy of IBM. Sensors cont’d ? The Canon EOS 10D is a highend digital SLR from a major manufacturer that uses a CMOS image sensor. The Canon EOS 1Ds, used by professionals, also uses a CMOS sensor and has million pixels. Courtesy of Canon. Image Storage ? Fixed – limited size, limited amount of pictures ? Removable – lots of flavours: som
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