Bitmap bmp = WSQDecoder.decode(wsqData).getBitmap();
imgView.setImageBitmap(bmp);

Bitmap bmp = ...;
//higher-quality encode
byte[] wsqData = new WSQEncoder(bmp)
                     .setBitrate(WSQEncoder.BITRATE_5_TO_1)
                     .encode();
//lower-quality encode
byte[] wsqData = new WSQEncoder(bmp)
                     .setBitrate(WSQEncoder.BITRATE_15_TO_1)
                     .encode();