reconstruction error
nounUK /ˌriːkənˈstrʌkʃən ˈerə/
US /ˌriːkənˈstrʌkʃən ˈerər/
The difference between what you started with and what you got back after rebuilding it.
The reconstruction error was small, so the rebuilt picture looked almost the same as the original.
RELATED WORDS
OTHER MEANINGS
2. In machine learning, the measure of how well a model can copy its input to its output.
Training reduced the reconstruction error until the autoencoder could reproduce the images closely.
3. The mismatch between an original signal and its rebuilt version after transmission.
Noise in the channel raised the reconstruction error at the receiver.
4. A mistake made while piecing something back together, such as a broken object or a story.
The historian's reconstruction error placed the battle in the wrong year.