1
Yeong taeg Kim: Image enhancing method and circuit using mean separate/quantized mean separate histogram equalization and color compensation. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, April 11, 2000: US06049626 (84 worldwide citation)

In an image enhancement method and a circuit therefor, a luminance signal is extracted from input color signals. The luminance signal, extracted in screen units, is divided into subimages according to the mean value of the luminance signal. The gray level histograms of the divided subimages are inde ...


2
Yeong taeg Kim: Image quality enhancement circuit and method therefor. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, June 20, 2000: US06078686 (48 worldwide citation)

According to an image quality enhancing circuit and a method therefor, an impulse for each of an input luminance and color signals is detected. A trimmed mean of a predetermined-sized window is output when the impulse is detected. Otherwise, the input signals are bypassed. Accordingly, noise-reduced ...


3
Yeong Taeg Kim: Adaptive contrast enhancement method for video signals based on time-varying nonlinear transforms. Samsung Electronics, Kenneth L Sherman Esq, Michael Zarrabian Esq, Myers Dawes Andras & Sherman, May 22, 2007: US07221408 (29 worldwide citation)

An adaptive contrast enhancement (ACE) method and apparatus provide a natural enhancement in accordance with the time-varying characteristics of a video sequence. Characteristics of a time varying video sequence are specified and a nonlinear transform over the input video sequence is performed to en ...


4
Yeong taeg Kim: Image enhancement method and circuit using quantized mean-matching histogram equalization. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, August 10, 1999: US05937090 (29 worldwide citation)

An image enhancement circuit and a method therefor including the steps of quantizing the level of an input image signal, obtaining a cumulative density function on the basis of a gray level distribution of a screen unit with respect to the quantized image signal, outputting a cumulative density func ...


5
Yeong Taeg Kim, Shin Haeng Kim: Method of detecting motion in an interlaced video sequence utilizing region by region motion information and apparatus for motion detection. Samsung Electronics, Kenneth L Sherman, Jeffrey P Aiello, Myers Dawes Andras & Sherman, November 23, 2004: US06822691 (29 worldwide citation)

A motion decision value provides a dependable estimate whether motion occurs in a given region of a video image in an interlaced video sequence. The motion detection is particularly applicable in the conversion from interlaced video to progressive video. An input first is fed to an absolute value fo ...


6
Yeong Taeg Kim: Method and device for local contrast enhancement of video signal. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, July 27, 1999: US05930402 (25 worldwide citation)

A method and a device for adaptively performing local contrast enhancement by weighing a video signal according to the magnitude of the local contrast of the video signal and by adding the weighted signal to the original video, thereby being capable of outputting the original signal intact regardles ...


7
Yeong taeg Kim: Image enhancement circuit and method using mean matching/quantized mean matching histogram equalization and color compensation. Samsung Electronics, Sughrue Mion Zinn Macpeak & Seas PLLC, January 25, 2000: US06018588 (24 worldwide citation)

In an image enhancement method and circuit, a luminance signal is extracted from input color signals. Histogram equalization is performed using a cumulative density function of the extracted luminance signal which is input in a screen unit. A transform function is controlled to map a mean level of t ...


8
Yeong taeg Kim: Image enhancement circuit and method using mean matching/quantized mean matching histogram equalization and color compensation. Samsung Electronics, Sughrue Mion PLLC, January 14, 2003: US06507372 (24 worldwide citation)

In an image enhancement method and circuit, a luminance signal is extracted from input color signals. Histogram equalization is performed using a cumulative density function of the extracted luminance signal which is input in a screen unit. A transform function is controlled to map a mean level of t ...


9
Yeong Taeg Kim, Shin Haeng Kim: Method and apparatus for detecting repetitive motion in an interlaced video sequence apparatus for processing interlaced video signals. Samsung Electronics, Michael Zarrabian Esq, Kenneth L Sherman Esq, Myers Dawes Andras & Sherman, August 29, 2006: US07098957 (22 worldwide citation)

Interlaced video signals are processed by mixing spatially interpolated video signals with temporally interpolated video signals. The respectively interpolated signals are mixed in dependence on a degree of motion at the given location in the video picture, as defined by a motion decision parameter. ...


10
Peng Lin, Yeong Taeg Kim, Seong Joo Lee: Method and apparatus for reducing mosquito noise in decoded video sequence. Samsung Electronics, Kenneth L Sherman Esq, Michael Zarrabian Esq, Myers Andras Sherman, February 2, 2010: US07657098 (22 worldwide citation)

A ringing area detector classifies the input image into two regions: a mosquito noise region (i.e. filtering region) and a non-mosquito noise region (i.e. non-filtering region), and uses this classification information to adaptively remove the mosquito noise in a mosquito noise reduction system. The ...