WORKING OF DIGITAL CAMERAWORKING OF DIGITAL CAMERA

ARNOB SARKARARNOB SARKAR

IV-SEM. E&TCIV-SEM. E&TC

HCET, JABALPURHCET, JABALPUR

INTRODUCTIONINTRODUCTION

Digital camera is one of the remarkable invention of modern electronics in photographic field. Its Hi-Fi performance bring about a revolutionary change in modern photography.

D-cam using digital systemsD-cam using digital systems

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1. A photo sensitive device (CCD)

2. Color Filter

3. A/D Converter

4. Processing Unit

5. Memory Device(CF Card)

6. Compressing Unit

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How Digital Camera Works How Digital Camera Works

Inside Structure of D-CamInside Structure of D-CamState assumptions about resources a llocate d to this project

P e o p le

E q u ip m e n t

L o c a tio n s

S u p p o rt & o u ts id e s e rv ic e s

M a n u fa c tu rin g

S a le s

Charged Coupled Device CCDCharged Coupled Device CCD

It is made of millions of Photo diodes. It is used to capture the image according to the brightness of light.

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Storage of Images In D-CamStorage of Images In D-Cam

1. Compression, i) Good / Normal 16:1

ii) Better / Fine 8:1iii) Best / Super Fine 4:1

2. Resolution1 mega pixel = 1024x7682 mega pixel = 1600x12003 mega pixel = 2048x1536

Analog to Digital Conversion Analog to Digital Conversion

Signal generated in CCD is analog signal, which is converted into 8-Bit digital signal with the help of A/D converter and stored in memory card.

Camera Capture Only Black & WhiteCamera Capture Only Black & White

How Color Images FormedHow Color Images Formed

InterpolationInterpolation

Advantages and Disadvantages Advantages and Disadvantages

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