Jul 17, 2001 ... are RGB, YcbCr, YUV, YIQ, and TDbDr. Typical output images from personal
computers such as VGA, SVGA, or. XGA generally have a RGB ...
US007030932B2
(12) United States Patent
(10) Patent N0.:
Han (54)
(45) Date of Patent:
APPARATUS AND METHOD FOR CONVERTING MULTI-SOURCE INPUT
6,104,437 A * 6,147,712 A *
IMAGES
6,175,387 B1 * 6,204,884 B1* 6,208,388 B1*
75
(
_
)
Inventor‘
Dong nHan’ Se°u1(KR)
.
(73)
(21)
(22)
6,256,068 B1*
.
6,307,592 B1*
Asslgnee: LG Electron“ Inc" Seoul (KR) .
(*)
.
Nome:
.
Filed:
Apr. 18, 2006
8/2000 Taira et a1. ............... .. 348/563 11/2000 Shimamoto et a1. .. 348/446 1/2001 3/2001 3/2001
Han .................. .. Lee ...... .. Farleigh ...... ..
7/2001 Takada et a1. . 10/2001
G
.............. ..
6,329,998 B1 * 12/2001 H211 ............... ..
.
.
6,353,460
B1*
3/2002
Sokawa et a1.
348/565 348/555 348/705
348/441 348/453
345/581 .... .. 348/555
subleclto any dlsclalmerithetenn Ofthls
6,370,198 B1*
4/2002 Washino ......... ..
P211811t 15 extended Or adlusted under 35
6,373,527 B1 *
4/2002 Lee .......................... .. 348/564
USC 15401) by 483 days-
6,380,983 B1 *
4/2002 Miyazaki et a1. .
6,388,711 B1*
5/2002
6,421,094 B1 *
7/2002
348/569
6,437,834 B1*
8/2002
348/705
Appl. N0.: 09/908,206
Jul. 17, 2001
(65)
Prior Publication Data US 2002/0008780 A1
J
12/2003
.. 375/240.26 .. 348/554
348/441
6,501,509 B1* 12/2002 6,667,773 B1*
(30)
US 7,030,932 B2
348/441 Han ......................... .. 348/441
* Cited by examiner
. 24 2002 an ’
Primary ExamineriPaulos M. Natnael
Foreign Application Priority Data
(74)Allorney, Agent, or FirmiLee, Hong, Degerman, Kang & Schmadeka
Jul. 18, 2000
(KR)
............................. .. 2000-41111
(57)
ABSTRACT
(51)
Int. Cl. H04N11/20
(2006-01)
An apparatus and a method for converting multi-source
(52)
US. Cl. .................................................... .. 348/554
input images are disclosed. The apparatus includes an out
(58)
Field of Classi?cation Search .............. .. 348/554,
Side interface part including N Outside interface units and
348/555, 556, 557, 558, 563, 564, 565, 567, 348/569, 706, 705, 441, 445, 446, 449, 458,
pre-processing the input image, a format converting part including N format converters and converting formats and
348/459, 388,1; 345/6034605 See application ?le for complete Search history,
siZes of the pre-processed images as required by a display device, a memory part interacting With each format con verter and storing each pre-processed image or format converted image, a sWitching part sWitching the format converted images according to a display mode, a multiplexer multiplexing the sWitched images and generating a corre
(56)
References Cited U.S. PATENT DOCUMENTS 5,276,436 A * 5,473,381
A
*
5,625,416 A *
1/ 1994 Shaw et a1. ............... .. 345/603 12/1995
Lee
4/1997 Tseng et a1~
i i
’
----------------
gull
~~~~~~~~
ove
’
5,805,148 A *
e
a
.
the display image for the display device. Therefore, various
-- 3455/3881
input images can be properly converted to have desired
~ ~ ~ ~~
. . . . .
formats and siZes based on a display mode of a display
. . . ..
9/1998 Swamy 61211. ..
'
345/547
12/1998 Gimby .............. .. 348/558
5,943,508 A * 5,999,220 A *
8/1999 Penney et a1. .. 710/51 12/1999 Washino ................... .. 348/441
21°
7 T T _ _ _ T 7
E
2i”
_T_|
F i _ T _ T
5
unit 1
i
222
i
P
y
P
1
outside
unit 2 .
y
1
500
680
5
7
—
_
_
mom-4 multipart
dis La
plexer
800
u
outside
input X —r- interface
1 L
_'
unit N 2
i
_
_
A
_
2
_
_
__
memo
format inte?ge P‘art
g '
1
,
'
16 Claims, 6 Drawing Sheets
700
; 1 i
4149+
dis 1a ed Ona dis 1a device
i T V ‘"I
_ 1 outside input A-—|'—-1 interface
1
'
dev1ce so that the converted mult1-1ma es can be ade uatel
5,850,266 A *
I’
sponding display image, and a display processor processing
- - - -- 348/441
host
sync
109
110
converter
interface
MP“
q
y
U.S. Patent
Apr. 18, 2006
Sheet 4 0f 6
US 7,030,932 B2
@mu3t?5
_\
r J
—\ m ,"HMo_2?3QE2o60 0WnE382302:_,?_v52GEEa__“U5:2"éVE5BoSl2: \ M‘ in 1 |_|1il\0‘|l|Ili|X]as \" _ a _
m Vl01
E2BE»5%
taQ NECBQ E
U.S. Patent
Apr. 18, 2006
Sheet 5 0f 6
US 7,030,932 B2
“HS30g9a2.m50y o2.cow
i0o9n?
hom ohm ‘
.uE m \
0cmcom2:‘How
.\ n
Q5383// \\mcm
WE: % .\HH“oSLm258w om
m?g5wI3mEc5wLoy:mgw
2/:3i958 N#30653
S$9H5Ein»81|3
\E,
w.? so
38Ti:
5%u
