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Image acquisition method

A technology of image and inclination, applied in the field of acquisition system, can solve the problem of time increase and so on

Active Publication Date: 2014-09-03
DATALOGIC IP TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The time necessary for the operator to configure the optical equipment and thus the image acquisition system is further increased

Method used

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Embodiment Construction

[0034] see figure 1 , schematically shows an image acquisition system 1 provided with at least one optical device 2, such as a digital camera comprising a one-dimensional or two-dimensional array of photosensors, especially of the CCD or C-MOS type. Said optical device 2 is capable of acquiring images of a stationary and / or in-transit object 3 arranged above a movable support surface 4 (which is schematically illustrated). An example of a movable support surface is given by a conveyor belt. Such objects 3 along figure 1 Proceed in direction A indicated by the arrow in . exist figure 1In , a single object 3 with a box-shaped body is shown, however, on the movable support surface 4, a plurality of objects 3 may be continuously advanced along the advancing direction A, and the plurality of objects 3 may have any shape.

[0035] figure 1 The optical device 2 is fixed in such a way that it is connected to a support base (not shown, which remains in the same position over time)...

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Abstract

A method of acquiring images of an object arranged on a supporting surface includes providing at least one optical image acquisition apparatus of the object provided with an optical axis; in a work step of the optical apparatus an acquired image is processed to correct a possible perspective distortion of the image and at least one feature of the object is extracted from the processed image. The method further includes associating a known reference plane with the object and, in a configuration step of the optical apparatus preceding the work step, obtaining a corresponding inclination between the reference plane and the optical axis; processing the acquired image in fact comprises identifying a processing mode determined as a function of the corresponding inclination and applying this preset processing mode to correct the possible perspective distortion.

Description

technical field [0001] The invention relates to a method of acquiring an image of an object implemented by an image acquisition system comprising at least one optical device capable of processing the acquired image in order to extract at least one feature from said object. [0002] In particular, the invention relates to an acquisition system comprising an optical device capable of acquiring images of an object that is stationary and / or in transport on a movable conveyor. [0003] The invention further relates to an acquisition system comprising a movable optical device connected to a support base, continuously movable over time between a plurality of different positions, and capable of acquiring images of stationary objects. The optical device in particular continuously changes its orientation in space to acquire images of the object. Background technique [0004] In the present description and in the following claims, the expression "optical device for acquiring an image"...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K7/14G06T3/00
CPCH04N5/357G06K7/1456G06K7/1439G06T3/00H04N25/60
Inventor M·本德缇R·木斯阿尼
Owner DATALOGIC IP TECH
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