1
Wen H Hsu, Jeng D Yang: Method and device for allocating core points of finger prints. Wen Hsing Hsu, Ladas & Parry, August 18, 1992: US05140642 (111 worldwide citation)

A method to automatically find out the actual position of the core point of a finger print by using the characteristic of the ridge flow of finger prints. This method comprises three parts: (1) ridge flow finding algorithm, (2) ridge flow correction algorithm and (3) core point allocation algorithm.


2
Trista Chen, Wen Hsing Hsu: Watermarking of a digitized image. Wen Hsing Hsu, Bacon & Thomas PLLC, December 30, 2003: US06671387 (19 worldwide citation)

A watermarking method and device to embed a digitized watermark into a digital image file in the spatial domain first performs error correction to enhance the robustness of the digital image. The digital image file is first processed such that capacity of each element of the digital image file is ca ...


3
Trista Chen, Wen Hsing Hsu: Digital watermarking. Wen Hsing Hsu, Bacon & Thomas PLLC, April 20, 2004: US06724913 (11 worldwide citation)

A watermarking method and device to embed a digitized watermark into a digital image file in the transformation domain is disclosed. In the watermarking technology of this invention, the digitized watermark is first error corrected to enhance its robustness. The digital image file to be embedded wit ...


4
Wen Hsing Hsu, Shih Hsu Chang: Method and device for automatic matching of planar point patterns. Wen Hsing Hsu, Bacon & Thomas, November 23, 1999: US05991430 (10 worldwide citation)

A method for automatic matching of planar point patterns in a reference pattern with a test pattern includes course mating, calculation of a mated possibility for one point in each pattern, preliminary selection of mated pairs based on these possibilities, and calculation of a similarity value based ...


5
Wen Han Lin, Chung Ming Huang: Method and device for the automatic matching of seal prints. Wen Hsing HSU, Bacon & Thomas PLLC, September 28, 1999: US05960112 (4 worldwide citation)

A method and a device for the automatic matching of seal prints including a first memory to store reference seal prints, an input device to obtain the image of a test seal print, a second memory to store the test seal print, an image structure similarity calculation device to calculate the similarit ...


6
Wen Hsing Hsu, Shih Hsu Chang: Automatic matching device for planar point patterns and method thereof. Wen Hsing Hsu, Bacon & Thomas PLLC, October 26, 1999: US05974176 (2 worldwide citation)

A method for automatic matching of planar point patterns in a reference pattern with a test pattern includes course mating, calculation of a mated possibility for one point in each pattern using fuzzy relaxation, preliminary selection of mated pairs based on these possibilities, and calculation of a ...


7
Wen Hsing Hsu, Ho Ling Hsu: High-speed fingerprint feature identification system and method thereof according to triangle classifications. Wen Hsing Hsu, Muncy Geissler Olds & Lowe P C, June 23, 2015: US09064142

A fingerprint feature identification system and method utilizes multiple feature points on a fingerprint to build feature triangles. Each of the feature triangles are classified as one of predetermined triangle classifications according to geometric data thereof. Every new feature triangle built fro ...