A multi-layered video decoding system comprising: a first layer, comprising a first layer video decoder, the first layer video decoder comprising a first layer reference picture buffer; wherein the first layer reference picture buffer is configured to store output reference pictures of the first layer video decoder; a second layer, associated with the first layer, the second layer comprising a second layer video decoder, the second layer video decoder comprising a second layer reference picture buffer; wherein the second layer reference picture buffer is configured to store previous output reference pictures of the second layer video decoder; a reference processing selector connected to the first layer reference picture buffer and to the second layer reference picture buffer, and configured to select whether to process the output reference pictures of the first layer video decoder and input the processed output reference pictures of the first layer video decoder into the second layer video decoder; a processing module, located downstream of the reference processing selector, configured to process, upon instruction of the reference processing selector, the output reference pictures of the first layer video decoder and input the processed output reference pictures into the second layer video decoder, the processing module comprising a reference processing filter and a disparity compensation filter; wherein the processing module is configured to apply the reference processing filter and the disparity compensation filter to the output reference pictures of the first layer video decoder, when the reference processing selector has selected to process the output reference pictures of the first layer video decoder, and wherein the processing module is configured to apply the disparity compensation filter and not the reference processing filter to the previous output reference pictures of the second layer video decoder, when the reference processing selector has selected to process the previous output reference pictures of the second layer video decoder; wherein the reference processing selector comprises a region analysis module to analyze regions of an image and select separate processing in accordance with the analysis performed on the regions. a first layer, comprising a first layer video decoder, the first layer video decoder comprising a first layer reference picture buffer; wherein the first layer reference picture buffer is configured to store output reference pictures of the first layer video decoder; a second layer, associated with the first layer, the second layer comprising a second layer video decoder, the second layer video decoder comprising a second layer reference picture buffer; wherein the second layer reference picture buffer is configured to store previous output reference pictures of the second layer video decoder; a reference processing selector connected to the first layer reference picture buffer and to the second layer reference picture buffer, and configured to select whether to process the output reference pictures of the first layer video decoder and input the processed output reference pictures of the first layer video decoder into the second layer video decoder; a processing module, located downstream of the reference processing selector, configured to process, upon instruction of the reference processing selector, the output reference pictures of the first layer video decoder and input the processed output reference pictures into the second layer video decoder, the processing module comprising a reference processing filter and a disparity compensation filter; wherein the processing module is configured to apply the reference processing filter and the disparity compensation filter to the output reference pictures of the first layer video decoder, when the reference processing selector has selected to process the output reference pictures of the first layer video decoder, and wherein the processing module is configured to apply the disparity compensation filter and not the reference processing filter to the previous output reference pictures of the second layer video decoder, when the reference processing selector has selected to process the previous output reference pictures of the second layer video decoder;