公开(公告)号：WO2021234509A1

公开(公告)日：2021-11-25

申请号：PCT/IB2021/054037

申请日：2021-05-12

Applicant: LANDA CORPORATION LTD.

Inventor： LEVANT, Boris ,  SILBERSTEIN, Shai ,  YANIR, Tomer ,  GUTTMAN, Avraham ,  SIMAN TOV, Alon

IPC: B41J2/21 ,  B41J2/165 ,  G06N3/08

Abstract: A method includes, receiving a first digital image (FDI) to-be printed by a digital printing system (DPS) (10). In a training phase: for first selected regions (111) in the FDI, a first set of synthetic images (SIs) (112A, 112B, 114A, 114B, 116A, 116B) having a defect caused by a defective part (DP) (99) in the first selected regions, is produced; a neural network (NN) (150) is trained to detect the defect using the first set SIs. In a subsequent detection phase: the NN is applied for identifying, in a second digital image (SDI) (136, 146) acquired from an image produced by the DPS, suspected second regions (135, 145); for each of the second regions, a second set (137, 147) of SIs having DPs that form the defects, is produced; and the DP is identified by comparing, in each of the second regions, between the SDI and the second set SIs.

公开(公告)号：WO2015110988A1

公开(公告)日：2015-07-30

申请号：PCT/IB2015/050501

申请日：2015-01-22

Applicant: LANDA CORPORATION LTD.

Inventor： LITVAK, Mattetyahu ,  KLINGER, Shahar ,  SIMAN TOV, Alon ,  GUTTMAN, Avraham

IPC: H04N1/405

CPC classification number: H04N1/4055 ,  G06K15/1876 ,  G06K15/1881 ,  H04N1/4051 ,  H04N1/409

Abstract: There is provided an ink-deposition device suitable for depositing ink on a target surface and a printing system comprising the same. In operation in a printing system, the ink-deposition device can convert digital images into ink images on the target surface using pixel-masks and methods as disclosed herein. Advantageously, the ink-deposition device, the printing system comprising it and the methods of using the same can reduce or prevent the occurrence of some undesired ink-formations typically governed by the respective physical and/or chemical properties of the surface and ink being used or mitigate their effect on print quality. Application of the pixel-image mask yields a binary image that exhibts pixel-clusters with stochastically distributed centroids.

Abstract translation: 提供了适于在目标表面上沉积墨水的墨水沉积装置和包括该墨水装置的印刷系统。 在打印系统中操作时，墨水沉积装置可以使用如本文所公开的像素掩模和方法将数字图像转换成目标表面上的墨图像。 有利地，油墨沉积装置，包括其的印刷系统及其使用方法可以减少或防止通常由所使用的表面和油墨的相应物理和/或化学性质控制的一些不期望的油墨形成的发生 或减轻其对打印质量的影响。 像素图像掩模的应用产生了以随机分布的质心展示像素簇的二值图像。

公开(公告)号：WO2021105806A1

公开(公告)日：2021-06-03

申请号：PCT/IB2020/060552

申请日：2020-11-10

Applicant: LANDA CORPORATION LTD.

Inventor： LANDA, Benzion ,  SIMAN TOV, Alon ,  GUTTMAN, Avraham ,  NECHEMIA, Yefet ,  SHMERLING, Amir

IPC: G03G15/23 ,  B41J2/01

Abstract: A system (10, 110) includes: (i) a flexible intermediate transfer member (ITM) (44, 500, 600), including: a stack of: (a) a first layer (602), located at an outer surface of the ITM (44, 500, 600), configured to receive ink droplets to form an ink image thereon, and to transfer the ink image to a target substrate (50, 51), and (b) a second layer (603) including a matrix holding particles (622), configured to receive optical radiation (99) passing through the first layer (602), and to heat the ITM (44, 500, 600) by absorbing the optical radiation (99); (ii) an illumination assembly (113), configured to dry the ink droplets by directing the optical radiation (99) to impinge on the particles (622); and (iii) a temperature control assembly (121), configured to control a temperature of the ITM (44, 500, 600) by directing a gas (101) to the ITM (44, 500, 600).