Computer Science and Information Technology, Spring 2010

MatchMove

Computer Science and Information Technology, Spring 2010

Tz-Kuei Huang

2010/4/16

Workflow

• Input

– Video

– CGI Animation

Workflow

+

Setting

• Blender

– Version: 2.49b (stable)

– Operating System: Windows, Mac OS, Linux, ...

– Need to install Python 2.6 (2.6.5 final) – Web Site: http://www.blender.org/

• Voodoo

– Version: 1.0.1 beta

– Operating System: Windows, Linux

– Web Site: http://www.digilab.uni-hannover.de/

• Other Options:

– Free: ICARUS + Blender

– Pay: boujou + 3D Max, boujou + Maya, ...

Recipe: Get Image Sequence

• Open Blender

• Open video file:

– Change Window Type to Video Sequence Editor – Select 「Add → Movie」

– Put the strip in Layer 1

• Do sequence:

– Choose Scene(F10)

– Output → Choose where you want to save – Anim →

• Click Do Sequence

• Select start and end of the sequence – Frame →

• Set frame size

• Choose output file type(Targa) – Click ANIM button

Step by step: Get Image Sequence

• Open video file:

Add → Movie Click here to change

window type

Step by step: Get Image Sequence

• Open video file:

Select video file Open video file

Step by step: Get Image Sequence

• Open video file:

Click to Put the strip in Layer 1

Step by step: Get Image Sequence

• Do sequence :

Click “Do Sequence”

Set frame size Choose where you want

to save the sequence

Select start and end

Choose Scene

Choose output file type(Targa) Click “ANIM” button

Recipe: Calibration

• Open Voodoo

• Open image sequence:

– Select 「File → Open → Sequence」

– Select the first frame – Select Move Type

• Track:

– Click Track button

• Export Python script:

– Select 「File → Save → Blender Python Script」

– Save .py file

Step by step: Calibration

File → Open

→ Sequence

Select the first frame Select “Move Type”

Step by step: Calibration

Track

Step by step: Calibration

Export Python script

Recipe: Import 3D Motions

• Open Blender again

• Delete default objects

– Click “a” two times, then click “del”

• Open Python script:

– Change Window Type to Text Editor – Select 「Text → Open」

– Select the .py file export from Voodoo

• Run script: Select 「Text → Run Python Script 」

• Load background images:

– Change Window Type to 3D View

– Select 「View → Cameras → Set Active Object as Active Camera」

– Select 「View → Background Image…」

– Load background images, choose the first frame – Set sequence

– Set scene

• Delete default objects

Step by step: Import 3D Motions

Click here to erase

Step by step: Import 3D Motions

• Open Python script

Click here to change window type

Text → Open

• Run script

Step by step: Import 3D Motions

Text → Run Python Script

• Load background images

Step by step: Import 3D Motions

Click here to change window type

View → Cameras → Set Active Object as Active Camera

Step by step: Import 3D Motions

• Load background images

View → Background Image…

Load background images

• Load background images

Step by step: Import 3D Motions

Set frame number

Set Blend

Click “ Auto Refresh”

• Load background images

Step by step: Import 3D Motions

Select save folder Select start and end

Select “Scene”

button Click “Do Set frame size

Sequence”

Select output file type (AVI Codec)

Recipe: Compositing

• Change Datablock to SR:4-Sequence

• Add video sequence:

– Change Window Type to Video Scene Editor – Select 「Add → Images」, select all images – Put the strip in Layer 1

• Add Scene:

– Select 「 Add → Scene」

– Put the strip in Layer 2 – Set sequence

• Animation:

– Click ANIM button

Step by step: Compositing

Click here to change window type

Change Datablock to “SR:4-Sequence”

Add → Images

Step by step: Compositing

Put the strip in Layer 1

Step by step: Compositing

Select

“Alpha Over”

Add → Scene Put the strip in Layer 2

Select

“Premul”

Select

“Sequence” button

Step by step: Compositing

Click “ANIM” Button

作業要求

• 器材借用

– 4/19～4/28，請mail給助教約借用時間，一次借用以一小時為限

• 分組：

– 2人，考慮做難度較高者可以3 人

– 請於4/21 23:59 以前mail給助教

• 上傳

– Ceiba

– 大小限制：15MB，請用ffdshow video codec壓縮

• 繳交期限：

– 5/7 23:59

• 評分：

– Voting

– 故事

– 技術

Reference

• Blender official website

– http://www.blender.org/

• Voodoo document website

– http://www.digilab.uni-

hannover.de/docs/manual.html

• 使用 Blender 以及voodoo 來模擬子彈飛行

– http://newwork2000.blogspot.com/2009/10/blog- post.html

• K-Lite Mega Codec Pack

– http://www.free-

codecs.com/K_Lite_Mega_Codec_Pack_download.htm