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參數(shù)資料
| 型號： | TMC2302A |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | Image Manipulation Sequencer |
| 中文描述： | 圖像處理序列 |
| 文件頁數(shù)： | 22/36頁 |
| 文件大?。?/td> | 188K |
| 代理商： | TMC2302A |
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TMC2302A
PRODUCT SPECIFICATION
22
P
Figure 8. Pixel maps demonstrating source and destination image boundaries, violation flags,
and image clipping
(note shaded areas)
X
(XMIN, YMIN)
(UMIN, VMIN)
(UMIN, VMIN)
(XMAX, YMAX)
SOURCE IMAGE SPACE
TARGET IMAGE SPACE
65-2302-13
(UMAX, VMAX)
(UMAX, VMAX)
(X0, Y0)
SVAL = 0
SVAL = 1
TVAL = 0
TVAL = 1
Y
U
V
Real-Time Bilinear Interpolation
Using the TMC2302A or TMC2301
Image transformations and translations in bit mapped
systems are done by taking an original (source) image,
performing coordinate remapping and interpolation, then
restoring the image into a new (destination) image space.
The coordinates are remapped according to a transformation
polynomial. The polynomial, evaluated at destination pixel
addresses, maps the transformed pixel addresses (U, V) to
pixel addresses in the original image addresses (U,V) to
pixel addresses in the original image (X, Y), i.e., (X, Y) is a
polynomial function of (U, V).
Notes:
1. Coordinate transformation: Each pixel in (U, V) space is mapped to a location in (X,Y) space.
2. Interpolation: Unless the pixel in (U, V) space coincides with one in (X, Y) space, its amplitude must be estimated as a
weighted average of those of the surrounding pixels in (X, Y) space. If the interpolation is done serially, throughput suffers in
proportion to the size of the interpolation kernel. However, the interpolation can also be performed in parallel to preserve
throughput, as discussed here.
65-2302-14
(X0,Y0)
NEW PIXEL
(U,V)
(UMIN,VMIN)
V
U
(UMAX,VMAX)
(UMIN,VMAX)
NOTE 1
NOTE 2
(0,0)
y
x
ORIGINAL (SOURCE) IMAGE
NEW (TARGET) IMAGE
INTER-
POLATOR
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TMC2302AH5C | Image Manipulation Sequencer |
| TMC2302AH5C1 | Image Manipulation Sequencer |
| TMC2302AKEC | Image Manipulation Sequencer |
| TMC2302AKEC1 | Image Manipulation Sequencer |
| TMC2330AH5C | Coordinate Transformer 16 x 16 Bit, 40 MOPS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TMC2302AH5C | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Fairchild Semiconductor Corporation 功能描述: |
| TMC2302AH5C1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Fairchild Semiconductor Corporation 功能描述: |
| TMC2302AKEC | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Image Manipulation Sequencer |
| TMC2302AKEC1 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Image Manipulation Sequencer |
| TMC2330A | 制造商:CADEKA 制造商全稱:CADEKA 功能描述:Coordinate Transformer 16 x 16 Bit, 40 MOPS |
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