CRF (contrib)

Linear-chain CRF layer.

• tf.contrib.crf.crf_sequence_score
• tf.contrib.crf.crf_log_norm
• tf.contrib.crf.crf_log_likelihood
• tf.contrib.crf.crf_unary_score
• tf.contrib.crf.crf_binary_score
• tf.contrib.crf.CrfForwardRnnCell
• tf.contrib.crf.viterbi_decode