IMAGE HAZE REMOVAL

1. AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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An Autonomous Institute
Affiliated to VTU, Belagavi, Approved by AICTE, New Delhi,
Recognized by UGC with 2(f) & 12(B), Accredited by NBA & NAAC
DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING
PHASE 2-REVIEW 2
Group Members: Rajashekar G (1MJ18EE027)
Sindhu N (1MJ18EE037)
Tejashwini Lola (1MJ18EE042)
Vandana S (1MJ18EE043)
Guide Name:Mr Rajarajan R
Assistant professor, EEE

2. TITLE
DESIGN AND IMPLEMENT HAZE REMOVAL
SYSTEM USING DARK CHANNEL PRIOR METHOD
AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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3. INTRODUCTION
 The contrast and visibility in haze images are decreased, which affects the air, water, and
road transport.
 According to the ministry of road transport and highway shows that as many as 12,678
people lost their lives in fog-related road accidents in 2018.
 To solve this problem one of the method is introduced that is DARK CHANNEL PRIOR
METHOD.
 The dark channel prior is a statistical property of outdoor haze-free images, most patches in
these images should contain pixels that are dark in at least one color channel.
AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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4. FLOWCHART
AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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Visible Haze
image
Dark-channel
image
Transmission
estimation
Guided
filtering
Image recovery
Visible Haze
free image
Atmospheric
light
A
Gray scale
image
Bilateral
filtering

5. PROPOSED METHOD
Haze image:
I(x) = J(x)t(x) + A(1-t(x))
Dark channel:
AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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6. PROPOSED METHOD
Transmission estimation :
Output(Haze free image) :
AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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7. WORK DONE IN PHASE 1
 Single image dehazing
AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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Input haze
image
Output haze free
image

8. FLOWCHART
AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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Convert video into
frames
Dark-channel image
Transmission
estimation
Guided filtering
Image recovery
Haze free image video
Atmospheric
light-A
Gray scale image
Bilateral
filtering
Reconvert frames into video
Video input

9. RESULT
AN AUTONOMOUS INSTITUTION, AFFILIATED TO VISVESVARAYA TECHNOLOGICAL UNIVERSITY, BELAGAVI. APPROVED BY AICTE, NEW DELHI. RECOGNIZED BY UGC WITH 2(F)
& 12(B) STATUS. ACCREDITED BY NBA AND NAAC.
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10. hank ou
hank ou