add abstract, finish the alternatvie methods and fix some todos and improve sources

sources.bib

@@ -147,3 +147,53 @@
       primaryClass={cs.CV},
       url={https://arxiv.org/abs/2211.16191},
 }
+
+@misc{singh2022transductivedecoupledvariationalinference,
+      title={Transductive Decoupled Variational Inference for Few-Shot Classification},
+      author={Anuj Singh and Hadi Jamali-Rad},
+      year={2022},
+      eprint={2208.10559},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2208.10559},
+}
+
+@misc{chen2024unifiedanomalysynthesisstrategy,
+      title={A Unified Anomaly Synthesis Strategy with Gradient Ascent for Industrial Anomaly Detection and Localization},
+      author={Qiyu Chen and Huiyuan Luo and Chengkan Lv and Zhengtao Zhang},
+      year={2024},
+      eprint={2407.09359},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2407.09359},
+}
+
+@misc{shalam2022selfoptimaltransportfeaturetransform,
+      title={The Self-Optimal-Transport Feature Transform},
+      author={Daniel Shalam and Simon Korman},
+      year={2022},
+      eprint={2204.03065},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2204.03065},
+}
+
+@misc{parnami2022learningexamplessummaryapproaches,
+      title={Learning from Few Examples: A Summary of Approaches to Few-Shot Learning},
+      author={Archit Parnami and Minwoo Lee},
+      year={2022},
+      eprint={2203.04291},
+      archivePrefix={arXiv},
+      primaryClass={cs.LG},
+      url={https://arxiv.org/abs/2203.04291},
+}
+
+@misc{chowdhury2021fewshotimageclassificationjust,
+      title={Few-shot Image Classification: Just Use a Library of Pre-trained Feature Extractors and a Simple Classifier},
+      author={Arkabandhu Chowdhury and Mingchao Jiang and Swarat Chaudhuri and Chris Jermaine},
+      year={2021},
+      eprint={2101.00562},
+      archivePrefix={arXiv},
+      primaryClass={cs.CV},
+      url={https://arxiv.org/abs/2101.00562},
+}