Inventor
TIAN YIBIN
US27 patents
⚠️ This page may combine multiple inventors who share the name “TIAN YIBIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TIAN YIBIN
11 patentsUS8818099B2Aug 26, 2014
Document image binarization and segmentation using image phase congruency
TIAN YIBIN12 citations83
US8430301B2Apr 30, 2013
Document authentication using hierarchical barcode stamps to detect alterations of barcode
TIAN YIBIN8 citations83
US8931700B2Jan 13, 2015
Four dimensional (4D) color barcode for high capacity data encoding and decoding
TIAN YIBIN5 citations72
US8576446B2Nov 5, 2013
Deblurring and supervised adaptive thresholding for print-and-scan document image evaluation
TIAN YIBIN5 citations72
US8864033B2Oct 21, 2014
Robust decoding of color barcode printed with extremely small data cells
TIAN YIBIN4 citations71
US9230383B2Jan 5, 2016
Document image compression method and its application in document authentication
TIAN YIBIN1 citations51
US8942491B2Jan 27, 2015
Topology-preserving downsampling of binary images
TIAN YIBIN0 citations51
US8628193B2Jan 14, 2014
Automatic accommodative spectacles using a scene analyzer and focusing elements
TIAN YIBIN0 citations50
US9349237B2May 24, 2016
Method of authenticating a printed document
TIAN YIBIN0 citations41
US9053359B2Jun 9, 2015
Method and system for document authentication using Krawtchouk decomposition of image patches for image comparison
TIAN YIBIN0 citations41
US8687886B2Apr 1, 2014
Method and apparatus for document image indexing and retrieval using multi-level document image structure and local features
TIAN YIBIN0 citations41
KONICA MINOLTA LAB USA INC
4 patentsUS9251614B1Feb 2, 2016
Background removal for document images
KONICA MINOLTA LAB USA INC26 citations94
US9111161B2Aug 18, 2015
Four dimensional (4D) color barcode for high capacity data encoding and decoding
KONICA MINOLTA LAB USA INC5 citations84
US9042649B2May 26, 2015
Color document image segmentation and binarization using automatic inpainting
KONICA MINOLTA LAB USA INC8 citations84
US9251568B1Feb 2, 2016
Pseudo-skeleton based image enhancement for document image reproduction
KONICA MINOLTA LAB USA INC0 citations52
KONICA MINOLTA SYSTEMS LAB INC
3 patentsUS8000528B2Aug 16, 2011
Method and apparatus for authenticating printed documents using multi-level image comparison based on document characteristics
KONICA MINOLTA SYSTEMS LAB INC70 citations97
US7999657B2Aug 16, 2011
Image registration method for image comparison and document authentication
KONICA MINOLTA SYSTEMS LAB INC10 citations84
US7965894B2Jun 21, 2011
Method for detecting alterations in printed document using image comparison analyses
KONICA MINOLTA SYSTEMS LAB INC10 citations84
KONICA MINOLTA LABORATORY USA INC
3 patentsUS10037708B2Jul 31, 2018
Method and system for analyzing exam-taking behavior and improving exam-taking skills
KONICA MINOLTA LABORATORY USA INC1 citations52
US9542752B2Jan 10, 2017
Document image compression method and its application in document authentication
KONICA MINOLTA LABORATORY USA INC1 citations52
US10013889B2Jul 3, 2018
Method and system for enhancing interactions between teachers and students
KONICA MINOLTA LABORATORY USA INC0 citations42
LITEMAZE TECH SHENZHEN CO LTD
2 patentsUS12501138B2Dec 16, 2025
Heterogeneous micro-optics imaging module and method and apparatus for image reconstruction thereof
LITEMAZE TECH SHENZHEN CO LTD0 citations57
US11048926B2Jun 29, 2021
Adaptive hand tracking and gesture recognition using face-shoulder feature coordinate transforms
LITEMAZE TECH SHENZHEN CO LTD0 citations45