hybrid survey methodology using aerial … survey methodology using aerial photography and ground...
TRANSCRIPT
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Hybrid Survey methodology using
Aerial Photography
and
Ground Truthing with TS/DGPS
in Bihar
Mithilesh Mishra (IAS)
Director, Land Records & Survey,
Revenue & Land Reforms Dept,
Govt of Bihar
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• Land Survey of Bihar had been earlier carried outin the year 1910.
• In the last hundred years, actual picture on theground has changed a lot.
• Old cadastral maps face critical preservationissues.
• Many new Districts/Circles and Village Panchayatsand Municipal bodies have been created since thelast survey which poses great difficulties in today’srevenue administration.
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1. Hybrid Method
• Aerial Photography
• Ground thruthing (with TS + DGPS)
Generation of Map
2. Collection of Plot ownership information
3. Integration of Map with ROR
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• Complex, tiresome and time taking and labour oriented.
• Change of scale in the map is a very complicated and difficult process.
• Plot wise map for holders/ farmers from the Mauza map is very cumbersome.
• Updation is not possible.
• Solution of land disputes becomes difficult in absence of updated land records.
• Map of approx. 100 sq. km area can be prepared in one hour using Aerial Photography method.
• Change of scale in the digital map is easily done with full accuracy.
• Generation of plot map is easy.
• Updation is very much possible.
• No issue in updation.
Old Technique vs. Modern Technology
Contd…
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• Permission for Aerial Photography
• Setting up the Ground Control Network - Primary, Secondary and Tertiary
Control Points.
• Aerial data acquisition through aerial photography with Ground
Sampling Distance (GSD) of 10 cm or better.
• Generation of land parcel maps in 1:4000 scale and 1:1000 scale for
Abadi area.
Alignment of map with ground realities
• Comparison of new re-survey maps with CS/RS Map and map based
plot area with chalu khatiyan / khesra panji.
• The Survey & Settlement Office shall verify boundaries of the land parcel
on the hardcopy in the presence of the owner(s) /enjoyer(s) of the
adjacent land parcel.
• In case any variation is found with respect to ground realities, maps to be
re-generated with the revised land parcel map based on their TS reading
and obtain acknowledgement / objection.
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Aerial photography is the taking ofphotographs of the ground from anelevated position. The term usuallyrefers to images in which the camera isnot supported by a ground-basedstructure. Platforms for aerialphotography include fixed-wing aircraft,helicopters, multirotor UnmannedAircraft Systems (UAS), balloons, blimpsand dirigibles, rockets, kites,parachutes, stand-alone telescopingand vehicle mounted poles.
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• Flight, acquiring of images
• Image processing
• Processing of GPS/IMU (Inertial MeasuringUnit)
• Aerial Triangulation
• Digital Terrain Model
• Ortho-rectification and mosaicking process
• Delivery of final data in .SHP format
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Overview
NEW PATHS. NEW APPROACHES
GCP @ 16 Districts
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PGCP - Saharsa
PGCP - Supaul
Madhepura
PGCP
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BASE
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Aircraft – Used for Flying from CAE Aviation
D-FCAE (Delta Fox Charlie Alfa Eco)
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Camera - UtlraCam XP
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Beechcraft KING AIR C90
(Pressurized Cabin Aircraft)
Max.Flight Duration: 5 hours,
Ceiling: 30.000 feet,
Speed : 90-180 Knots
Aircraft
ZEISS RMK TOP 30 Aerial Camera
ZEISS RMK TOP Film Magazine with FMC
CCNS Navigation Unit with Airborne GPS
AEROCONTROL II (Inertial
Measurement Unit)
Gyro Stabilised Mount
Omnistar FUGRO Airborne DGPS
Ashtech Z Ssurveyor GPS Base Receiver
Aerial Camera
Two Pilots along with two navigators and one security officer are crew
members in flight.
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60% forward overlap and 30% side lap
Camera Fitted
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Digital Photogrammetry ( GPS Geodetic cadastral control
+ Image + Topographic features + map) Almost 100 Sq.
Km survey in one hour with aircraft
GPS Satellites
Base Station
GPS
Receivers
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Digital WorkStation
Raw Data
process
Temporary
Mass Storage
Archive System
Plotter
Aerial photo capturing
Camer
a
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PCP
Base Station
Patna AirportBase station at – Biharsharif
25°10'11.60"N 85°30'53.06"E
For accuracy Global Navigation Satellite System (GNSS) will be used with
ground reference stations. Two or three of ground stations will be established
on safe locations. One station will be set up close to the Airport. The other 1 or
2 stations will be placed in such a way that the distance to the aircraft is max.
70 km for high accuracy of the airborne GNSS data.
Flight Path
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Plot A
Plot B
Plot CPlot D
Plot E
Crops on Field Land Parcel boundary
Aerial Survey Aerial Survey + DGPS
Aerial view of plot with tree
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Sakri River
Giriak
To Katrisarai
Land Parcel
N
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Primary Control Point
Madhepura
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NEW PATHS. NEW APPROACHES
NOTIFICATION BOUNDARY IDENTIFICATION ON FIELD GOVT LAND VERIFICATION ON FIELD EXPLAINING KISTWAR TO DEPT SURVEYORS
INTIAL SUBMISSION MAP FOR KISTWAR KISTWAR COMPLETED & UPDATED MAP
Reconciliation Report
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NEW PATHS. NEW APPROACHES
NOTIFICATION
GRAMSABHA GRAMSABHA RECORD FIELD WORK
DEMARCATION OF PLOTS ROR DATA PREPARATION
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FIELD VISITING
SURVEY TEAMSETS SURVEY
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NEW PATHS. NEW APPROACHES
Aerial Flying inaugurated by Shri Nitish Kumar, Hon’ble Chief Minister of Bihar
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NEW PATHS. NEW APPROACHES
Begusarai Lab.
Khagaria Lab.Bihar Survey Off., Gulzarbagh
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• Total area of survey of Bihar is 93,358.8 sq.
km.
• Aerial photography was launched by Hon’ble
Chief Minister Shri Nitish Kumar at
Suryagarha in Lakhisarai district on May 22,
2013.
• Three agencies are selected for aerial survey
M/s IIC Technologies Ltd, Hyderabad
M/s GIS Consortium India (P) Ltd
M/sIL&FS Environmental Infrastructure
& Services Ltd., Gurgaon
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Agencywise progress of generation of Revenue Maps through Aerial Photography
Sl No Company Name Alloted DistrictsDate of
Aggrement
Work done by company
Aerial photography
completed
Security vetting
completed
Supply of
Revenue Maps
1 2 3 4 5 6 7
1IIC Technology
Ltd Hydrabad
Begusarai, Lakhisarai,
Khagariya, Muzafarpur,
Sitamarhi, Vaishali, Sheohar,
Purnea, Katihar, Kishanganj,
Arraria, Motihari
12 District
04-01-2013
Begusarai, Lakhisarai,
Khagaria, Purnea,
Katihar, Kishanganj,
Arraia Work
completed
Begusarai,
Lakhisarai,
Khagaria, Purnea,
Katihar,
Kishanganj, Arraia
Begusarai,Lakhis
arai,Khagariya
Gaya, Jehanabad, Arwal,
Aurgangabad
04 District
09-10-2013
Date 05-05-2015
Gaya,Jahanabad,Arwa
l,Aurgangabad Flying
completed
2
GIS Consoetium
India Pvt Ltd
New Delhi
Madhepura,Saharsa and supaul03 District
04-01-2013
Madhepura, Saharsa
and supaul work
completed
Madhepura,Sahars
a and supaul
completedMadhepura
Banka, Betiah, Jamaui, Nawada04 District
13-04-2015
3IL&FS(E) Ltd,
New Delhi
Siwan, Patna, Bhojpur, Buxar,
Rohtas, Kaimur, Gopalganj,
Darbhanga, Madhubani,
Samastipur
10 District
04-01-2015
Not yet started.
Got Flying
permisstion from
GOI for Aerial
Flying in Nov 2014
Nalanda, Saran, Bhagalpur,
Munger, Shekhpura10 District
02-01-2015
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Thank You