Abstract: An image reproducing apparatus having a screen blanking function for suspending image information displayed on a screen and a screen blanking method using the same are provided. The image reproducing apparatus includes a command applying circuit for applying image blanking execution and cancellation codes, a screen blanking determining circuit for determining whether a screen is to be blanked according to a code provided by the command applying circuit, and a screen power controlling circuit for controlling the power supply provided to the screen according to the determined result of the screen blanking determining circuit.

Abstract: A method for compensating a motion of a moving image after estimating said motion is provided. In the method, a triangle-patch wireframe model is formed on a present frame of the moving image, and the triangle-patch wireframe model contains apexes. The motion vectors between the apexes of the triangle-patch wireframe model and corresponding points on a previous frame of the moving image is determined. The triangle-patch wireframe model on the present frame is transformed to form a transformed triangle-patch wireframe model on the previous frame by using the motion vectors such that the corresponding points respectively relate to secondary apexes of the transformed triangle-patch wireframe model. A first pixel value of a first pixel located at a predetermined position within the triangle-patch wireframe model of the present frame is replaced with a replacement pixel value of a second pixel located at a corresponding position within the triangle-patch wireframe model in the previous frame.

Abstract: An image encoding method and apparatus for controlling a bit generation quantity using a quantization activity accurately controls a bit generation quantity of an encoding frame.

Abstract: A local relaxation method for estimating optical flow using a Poisson equation is provided. The local relaxation method includes the steps of a) determining the Poisson equation in a linear matrix of Gx=Ex+b according to a change of time, b) decoupling the determined velocity combination term of the Poisson equation, and c) applying a displaced frame difference of a temporal change to the Poisson equation where the velocity combination term is decoupled. Accordingly, the convergence speed is faster than that obtained using conventional technology. Also, in the case that a displaced frame difference is applied, the convergence value is accurate and motion in every pixel can be estimated in order to enhance image quality, and in the case of a video code, compression gain can be obtained by using a portion of a motion vector, i.e., the motion vector of a low band signal.