<div dir="ltr"><img width="0" height="0" class="mailtrack-img" style="float:right;" alt="" src="https://mailtrack.io/trace/mail/7bac2e49c32e24a1abcf779ab109e9afe2ee5b69.png?u=533594"><span style="font-size:12.8px">Dear All,</span><div style="font-size:12.8px">I am Sai Harsh, an UG student in IIIT-Chittoor, India.</div><div style="font-size:12.8px"><br><div>I want to convert raster image to vector shape layer. I knew that in qgis this feature already exists but it's limited.</div><div><br></div><div>Let us suppose If one google roadmap image is given as an input, after converting it into vector shape layer(using the existing conversion), I would like to highlight one road line(manually using attribute table) but it's not working. correct me if I am wrong.</div><div><br></div><div>Can anyone suggest me how I need to proceed?</div><div><br></div><div>I know there should be some image processing algorithm need to be applied, then followed by converting it into vector layer format.</div><div><br></div><div>Which image processing algorithm I need to apply to get good accuracy?</div><div><br></div><div>Awaiting for a positive response.</div><div><br></div><div>Best Regards,</div><div>Harsh</div><div>IIIT-Chittoor</div></div><br><br><br><div class="mt-signature">
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