1
Dong Hoon Kang, Joon Ki Paik: Sub chip on board for optical mouse. Samsung Electro-Mechanics, Morgan Lewis & Bockius, April 1, 2003: US06541762 (86 worldwide citation)

A sub chip on board for an optical mouse is disclosed. The chip on board has a sub PCB having both a plurality of input/output pads and a plurality of pin holes. A sensor die has an optical sensor wire-bonded to said input/output pads for sensing received light, and is attached to a bottom surface o ...


2
Joon Ki Paik, Sung Il Su, Chul Ho Lee: Histogram equalization method and device in contrast enhancement apparatus for image processing system. Samsung Electronics, David T Millers, Skjerven Morrill MacPherson, December 19, 2000: US06163621 (65 worldwide citation)

In contrast enhancement during image processing, a histogram equalization process or apparatus divides an equalization image screen into overlapping windows and performs histogram equalization on each window. Using windows improves contrast of pixel values that are rare throughout the entire image a ...


3
Joon Ki Paik, Sang ku Kim, Chul Ho Lee: Digital focusing method and apparatus in image processing system. Samsung Electronics, F Chau & Associates, November 28, 2000: US06154574 (63 worldwide citation)

Digital focusing method and apparatus in an image processing system, for digitally focusing an out-of-focus image, are provided. A defocused image is divided into sub-images of a predetermined size. An edge direction of each of the divided sub-images is estimated. Step responses with respect to the ...


4
Yong Chul Park, Joon Ki Paik, Dong Wook Kim: Adaptive motion vector decision method and device for digital image stabilizer system. Samsung Electronics, Allen LeRoy Limberg, May 5, 1998: US05748231 (51 worldwide citation)

A digital image stabilization device receives correlation data generated from a plurality of local motion estimation areas and adaptively decides a motion vector according to irregular image environment. To do this, statistical variables and local motion vector are generated to check reliability by ...


5
Joon ki Paik: Block-based image processing method and apparatus therefor. Samsung Electronics, Sughrue Mion PLLC, April 9, 2002: US06370279 (40 worldwide citation)

A block-based image processing method and an apparatus therefor, in which blocking artifacts caused by a block-based image processing can be removed by using spatial adaptive filtering based on image restoration theory. The block-based image processing method, for removing blocking artifacts induced ...


6
Yong Hwan Kim, Tae Beom Lim, Byeong Ho Choi, Hyok Song, Joon Ki Paik, Yoon Jong Yoo: Effective decoding method of H.264/AVC context-based adaptive variable length coding. Korea Electronics Technology Institute, Edell Shapiro & Finnan, September 9, 2008: US07423562 (17 worldwide citation)

An effective H.264/AVC CAVLC decoding method is disclosed. In accordance with the method a VLC code is classified into groups according to a correlation thereof, an arithmetic equation is defined for each of the groups, and a decoding is carried out according to the arithmetic equation in order to m ...


7
Joon Ki Paik: Image processing method and system using gain controllable clipped histogram equalization. Samsung Electronics, Chung Ang University Industry Academic Cooperation Foundation, F Chau & Associates, February 8, 2011: US07885462 (9 worldwide citation)

An image processing method and system using gain-controllable clipped histogram equalization, in which the image processing method includes the steps of as obtaining a brightness histogram, computing a mean brightness of an image signal, determining a clipping rate based on the mean brightness, dete ...


8
Joon Ki Paik, Jeong Ho Shin, Maik Vivek, Yoon Jong Yoo: Method and apparatus for multifocus digital image restoration using image integration technology. Chung Ang University Industry Academic Cooperation Foundation, Cha & Reiter, February 1, 2011: US07881551 (8 worldwide citation)

Methods and apparatus are disclosed for digital image restoration. The method including the steps of receiving an external deteriorated image, and generating N restoration images by using a preset PSF and an image restoration filter without computing a PSF of the input deteriorated image, dividing t ...


9
Sung Wook Park, Joon Ki Paik: Digital zooming system utilizing image buffers and employing an approximated bilinear interpolation method. Samsung Electronics, Robert E Bushnell, April 26, 1994: US05307167 (7 worldwide citation)

The present invention relates to a digital zoom system utilizing image buffers and employing an approximated bilinear interpolation method. The zoom system includes an analog-to-digital (A/D) converter for converting an analog image signal to a digital image signal, an image buffer for storing the d ...


10
Seong won Lee, Joon ki Paik: Interpolation method of digital image data and a circuit therefor. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas, November 14, 1995: US05467439 (7 worldwide citation)

A method of interpolating digital image data includes steps for calculating an absolute value of the difference between two neighboring pixels of image data, among four neighboring pixels of image data, determining maximum and second-most maximum values among the thus-calculated absolute values and ...