2016 ◽  
Vol 2 (1) ◽  
pp. 23-26
Author(s):  
Indri Purwanti ◽  
Gede Bayu Suparta ◽  
Maesadji Tjokronagoro
Keyword(s):  

Telah dilakukan penelitian tentang proses digitisasi dan print-out citra radiografi karsinoma nasofaring luaran suatu perangkat simulator di RS. DR.Sardjito. Proses digitisasi dilakukan menggunakan sistem frame grabber yang dikembangkan oleh Laboratorium Fisika Citra FMIPA UGM yang terhubung dengan sistem radiografi fluoroskopi. Setelah diperoleh 20 citra untuk sekali proses paparan radiasi, dilakukan proses normalisasi dan proses kalkulasi citra. Proses analisis terhadap citra hasil meliputi analisis visual, histogram, dan profil garis yang dilakukan menggunakan software New Image Analyzer 2007. Untuk kepentingan dokumentasi permanen, citra di-print-out. Berdasarkan penelitian ini, operasi add dapat memberikan kualitas visual citra terbaik, sebagaimana tampak di layar monitor maupun setelah di-print-out. Kualitas citra hasil print-out relatif tetap sepanjang spesifikasi printer yang digunakan sesuai.   Kata kunci: Digitisasi, Print-out, Frame Grabber, Radiografi Fluoroskopi, Karsinoma Nasofaring


2000 ◽  
Vol 8 (7) ◽  
pp. 31-31
Author(s):  
Robert Meyer

To those scientists and researchers who use microscopes with video or digital cameras for the purpose of capture and display, there has always existed a fundamental problem, namely, imaging large tissue samples at high resolution.For some time, conventional technology has allowed video cameras to be attached to microscopes. The signal generated by these cameras can be captured and saved to a computer's hard drive using a frame grabber. A typical image capture and display resolution is 640 by 480 (307,200) pixels. Although the image produced is ‘good’, it is by no means considered ‘high resolution’. For the sake of discussion, ‘high resolution’ is defined as greater than 1,000 x 1,000 (1,000,000) pixels. High resolution images are essential for medical applications. Today's modern digital cameras can meet or exceed this value. The human eye, if compared to these examples, has the equivalent resolution of greater than 5,000 x 5,000 (25,000,000) pixels.


2007 ◽  
Author(s):  
Dae Ro Lee ◽  
Sang-Won Lee ◽  
Jae Wook Jeon
Keyword(s):  

1996 ◽  
Vol 4 (5) ◽  
pp. 16-17
Author(s):  
Richard S. Brown

Having shopped for an inexpensive but powerful digital imaging system for the last four years, I have finally found a device that will satisfy even the most frugal budget. The Snappy Video Snapshot by Play, Incl, is a 24-bit true color frame grabber that plugs into your PC printer port. After plugging the Snappy device into your printer port (Figure 1) and spending approximately six minutes loading the Snappy software provided, you can connect a color or black and white camera, VCR, or television set and capture your first digital image. Because the device plugs into a printer port, it is completely portable. A switch box is needed if you will be changing between digital image acquisition and printing tasks frequently.


1995 ◽  
Vol 42 (3) ◽  
pp. 249-254 ◽  
Author(s):  
V. J. L. Fourcassi� ◽  
J. F. A. Traniello

1998 ◽  
Vol 153 (4-6) ◽  
pp. 331-338
Author(s):  
I Labastida ◽  
A Carnicer ◽  
E Martı́n-Badosa ◽  
S Vallmitjana ◽  
I Juvells

2013 ◽  
Vol 764 ◽  
pp. 161-164
Author(s):  
Wei Jiang

A BP neural networks is presented for billet character recognition. Firstly, by a series of image processing techniques, the character’feature in the billet character region of the video image gathered by frame grabber is abstracted. Secondly, the BP neural networks algorithm is employed for character recognition. Application results show that the image recognition based BP neural networks can performs well in billet character recognition, and the method presented is speedy, efficient and of high value in practice.


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