Patent application 14703278 (US), filed 2015-05-04
Publication number: US20150317524A1
Title: METHOD AND DEVICE FOR TRACKING-BASED VISIBILITY RANGE ESTIMATION
CPC codes: G01N  21/538
G06V  20/56
G06F  18/24
B60W  40/02
Office action: rejection, dated 2015-10-15
Rejection reasons: obviousness_103
subject_matter_101
Prior art cited: ref_id: WO 2003069275
ref_type: patent
severity: obviousness
ref_id: 20040046866
ref_type: patent
severity: obviousness
Final disposition: granted (2015-10-15)