MATLAB VIDEO AND IMAGE PROCESSING BLOCKSET 3 Guía de usuario descargar pdf (Pagina 83)

Viewing Video Files

3 Experiment with the MPlay GUI by using it to play and interact with the

video stream.

For more informatio n about the MPlay GUI, see the

mplay function reference

page in the Video and Image Processing B lockset Reference.

3-7

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 ... 251 252

VideoandImagePro 1
User’s Guide 1
508-647-7000 (Phone) 2
508-647-7001 (Fax) 2
The MathWorks, Inc 2
3 Apple Hill Drive 2
Natick, MA 01760-2098 2
Revision History 3
Contents 5
Working with MPlay 6
Conversions 6
Getting Started 9
1 Gettin g Started 10
Installation 11
Product Demos 13
Viewing the Documentation 15
What Chapter Should I Read? 17
Key Blockset Concepts 19
Defining Intensity and Color 21
From File block dialog box 23
Key Blockset Con cepts 25
Coordinate Systems 27
Sample Time 29
Normal and Accelerator Mode 31
Neares t neighbor 33
Block Data Type Support 36
Image Credits 40
Importing and Exporting 41
Working with AVI Files 42
Exporting to AVI Files 46
Same as input 47
Importing and Exporting Video 48
Intensity 50
[[5 10]' [80 10]'] 54
%d' 55
'%s region 57
'Frame %d' 59
Video only 60
WorkingwithMultimediaFiles 65
Separate color signals 66
Exportin 67
Fi xed- step 70
Working with Audio 71
Working with Multimedia Files 73
3 Working with MPlay 78
Viewing Video Files 82
7 Experim 85
IntensitytoBinaryConversion 88
4 Positi 89
Connect the 91
Autothreshold Block 93
Color Space Conversion 100
4 Conversions 102
Chroma Resampling 105
Symmetric 107
No pad ding 107
Fixe d-st ep 111
Geometric Transformation 113
Interpolation Overview 114
Bilinear Interpo lation 115
5 Geometri c Transformation 116
0 0 0 1 1 2 2 3 3 0 0 0 0 117
0 0 0 4 4 5 5 6 6 0 0 0 0 117
0 0 0 7 7 8 8 9 9 0 0 0 0 117
Rotating an Image 118
Expanded to fit 121
Free running 121
Resizing an Image 125
Cropping an Image 132
Morphological Operations 139
Over view of Morphology 140
CountingObjectsinanImage 141
6 Morphological Operations 142
'disk',15) 151
Analysis and Enhancement 157
Feature Extraction 158
7 Analysis and Enhancement 160
Finding Lines in Images 165
Zero-based 169
Image Enhancement 183
Separat e color signals 185
I array at the output ports 185
Separate color signals 185
Pixel Statistics 215
Separate color signa ls 217
Example Applications 223
Pattern Matching 224
8 Example Applications 226
Fixed-step 229
Motion Compensation 231
Image Compression 233
Accelerator mode 1-23 247
Normal and Accelerator 1-23 250
Normal mode 1-23 250

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