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Camera introduction

Author:Forrest Chen Date: 29.07.2010Version: 1.0

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1. Still image capture

2. Video recording

3. Panorama capture

4. Camera architecture

5. View finder

6. Some features

7. S60 5.0 camera

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1. Still image capture

Reticle

Tool bar:1. Mode switch2. Scene switch3. Flash mode4. Self timer5. Single/sequence6. Color tune7. White balance8. Exposure

compensation9. Sharpness10.Contrast11.Brightness12.Light sensitivity13.…

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(1)Zoom in/outSome functions

(2) Primary/secondary camera switch

(3)Settinga. Image quality(5M/3M/0.3M)b. Add to album(Yes/No)c. Show captured image(On/Off)d. Default image name(Date/Text)e. Extended digital zoom(On/Off)f. Capture tone(…)g. Memory in use(phone, Mcard…)h. GPS(On/Off)i. Face tracking(On/Off)…

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2.Video recording

Recording progress

Fewer functions in tool bar than still image1. Scene switch2. Video light

switch3. White balance4. Color tone

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3. Panorama capture

Features1.Only one direction when capturing2. Don’t move up/down3. Max number is 54. Output isn’t perfect

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4. Camera architectureCamera UI

Camera Engine

Camera API

Camera Driver

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Exchangeable File Format

Image Conversion

Library

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5. View finderIt’s 取景器 in Chinese. It has two working mode, bitmap and DSVF(direct screen view finder).Bitmap mode: camera UI draws every frame sent by low layerDSVF: camera UI do nothing, low layer draw every frame itself to screen by using DSA(direct screen access).

Snapshot for DSVF by screen grab tool

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单镜头反光相机取景示意图 单镜头反光相机曝光示意图

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电子取景数码相机取景示意图 电子取景数码相机曝光示意图

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6. Some features(1) Autofocus(2) Half press shutter key(3) Lens cover(4) Embedded mode(5) GPS support(6) Recording stability(7) Face tracking…

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7. S60 5.0 camera

Touch screenDSVF

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The End, Thanks