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You can select to compare which color components, YUV all components, Y only, or U, V component only.If you give a range like, no difference pixels will be displayed, only the original is displayed as background: The pixel in red will be overlaid on image file 2: In the following example, only pixels whose SAD value is between 8 and 64 (inclusive) will be displayed as red color. You can specify a SAD clipping range to select which pixel to display. Display SAD as binary image, or overlay the difference on top of file 1 or file 2.In following example, we will compare one frame in foreman in original quality and the same frame decoded from 400Kb compression format. The pixels with brighter color have larger difference. You can adjust the brightness of the grey scale image by dragging the slide bar. You have two ways to display the SAD values: Display options: The two files will be compared pixel by pixel, and the sum of absolute difference (SAD) is sued for the measurement of the difference values.Frame #: Current frame number will be displayed to show where you are.

Click on button “Exit” to exit the player.Click on dragging bar and drag to any frame directly.Click on button “Click on button “>” to play one frame forewords.Click on button “Reverse play” to play backward, from last frame to the first frame.Click on button “Stop” to stop the play.Click on button “Pause” to pause the play.Click on button “Play” to start play the YUV file.Click on button “Start” to start the comparison, the difference images will be displayed frame by frame.Play controls: After you load the two YUV files with correct YUV format, you can:.Load File 2: Click on “Browse” to pick a YUV file, and a YUV format dialog will help you to select a right YUV format.Load File 1: Click on “Browse” to pick a YUV file, and a YUV format dialog will help you to select a right YUV format.From the main menu, choose “YUV Analyzer”, then select “Compare”, or click on from the toolbar, a dialog will pop up.