公开(公告)号：US20170147426A1

公开(公告)日：2017-05-25

申请号：US15270921

申请日：2016-09-20

Applicant: VIA ALLIANCE SEMICONDUCTOR CO., LTD.

Inventor： HENG QUE ,  QUANQUAN XU ,  DEMING GU ,  YUANFENG WANG

IPC: G06F11/07

CPC classification number: G06F11/0778 ,  G06F11/0706 ,  G06F11/0736 ,  G06F11/0751 ,  G06F11/079 ,  G06F11/30

Abstract: An electronic device includes functional modules, gates, monitor module, signal control module and record module. The functional modules are operated on clock signal for generating request instruction and response signal. The gate is coupled to the functional modules for transmitting request instruction and response signal to functional module on enable signals. The monitor module is coupled to the functional modules and the gates for generating hold signal. The monitor module generates enable signals on finish signal. The clock signal control module coupled to the functional modules and the monitor module for outputs main clock signal to generate clock signals. The clock signal control module generates record instruction and stop clock signals, and the clock signal control module re-outputs clock signals on finish signal. The record module coupled to the functional modules and the clock signal control module begins to record request instruction and response signal when receiving record instruction.

公开(公告)号：US20170295378A1

公开(公告)日：2017-10-12

申请号：US15287857

申请日：2016-10-07

Applicant: VIA ALLIANCE SEMICONDUCTOR CO., LTD.

Inventor： HENG QUE ,  DEMING GU ,  ZHOU HONG ,  YUANFENG WANG

IPC: H04N19/436 ,  H04N19/593 ,  H04N19/70 ,  H04N19/176

CPC classification number: H04N19/436 ,  H04N19/176 ,  H04N19/593

Abstract: An image compression method based on JPEG-LS is presented. In the method, the M×N pixels in the source image are divided into k groups. M, N, and k are all integers larger than one. Each group corresponds to a plurality of pixels among the M×N pixels. The decorrelation procedure and the context modeling procedure are performed for each of the plurality of pixels in the ith group of the k groups. The compensation look-up table is not refreshed until all pixels in the ith group are performed with the decorrelation procedure and the context modeling procedure.