公开(公告)号：US11982783B2

公开(公告)日：2024-05-14

申请号：US16959718

申请日：2018-01-05

Applicant: NOKTA MUHENDISLIK A.S.

Inventor： Mehmet Onlek ,  Basri Kutlu Yavas

IPC: G01B21/16 ,  G01C19/00 ,  G01P15/08 ,  G01V3/10 ,  G01V3/165 ,  G06F18/22 ,  G06F18/25

CPC classification number: G01V3/10 ,  G01B21/16 ,  G01C19/00 ,  G01P15/08 ,  G01V3/165 ,  G06F18/22 ,  G06F18/251 ,  G06V2201/07

Abstract: Metal detectors are disclosed herein containing integrated positional tracking unit (20) containing the sensors and processors which provide the detection of the real-time positions of the search head (11) on the ground during metal target (1) searching process, by optical flow technique as (X, Y) points on an image frame at X, Y coordinate plane, following the verification and if required, correction of the parameters of height from the ground, horizontal and axial motions, angular position, focus distance, light quantity and quality; image processing/display unit (30), a shaft mount display and/or a screen, generating the image of the target (1) metal by matching the metal data received from the detector signal processing system (12), thereby from the search head (11) and the location and position data received from the integrated positional tracking unit (20), on a position/image matrix and presenting such image to the user visually.

公开(公告)号：US11487038B2

公开(公告)日：2022-11-01

申请号：US17254114

申请日：2018-06-21

Applicant: NOKTA MUHENDISLIK A.S.

Inventor： Basri Kutlu Yavas ,  Mehmet Onlek

IPC: G01V3/10 ,  G01B7/26 ,  G01V3/08 ,  G01B5/24 ,  G01B11/00 ,  G01B21/08

Abstract: The present invention, thanks to the horizontal positional tracking unit (20)—mounted to a hand-held metal detector (10)—consisting of optical flow sensor lens (22), an optical flow sensor camera (21), an optical flow sensor processor (23), a height sensor (24) and an IMU sensor (25); allows the calculation of the depth of the target (60) by tracking the horizontal position while the user freely sweeps the search head (11) of the metal detector (10) with the “optical flow” method and using the metal detection signals received from many point positions around the detected target center with this position; so it relates to a method of measuring a target depth and a metal detector using this method, which allow calculation to be made independently of the type and practical the size of the metal.