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Nearest-neighbour retrieval is central to classification and explainable-AI pipelines, but current practice relies on hand-tuning feature layers and distance metrics. We propose Targeted Manifold Manipulation-Nearest Neighbour (TMM-NN),…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 B. Ghosh , H. Harikumar , S. Rana

Ternary content addressable memories (TCAMs) are useful for certain computing tasks since they allow us to compare a search query with a whole dataset stored in the memory array. They can also unlock unique advantages for cryogenic…

Emerging Technologies · Computer Science 2024-10-16 Shamiul Alam , Simon Thomann , Shivendra Singh Parihar , Yogesh Singh Chauhan , Kai Ni , Hussam Amrouch , Ahmedullah Aziz

Few-shot semantic segmentation is the task of learning to locate each pixel of the novel class in the query image with only a few annotated support images. The current correlation-based methods construct pair-wise feature correlations to…

Computer Vision and Pattern Recognition · Computer Science 2023-01-20 Huafeng Liu , Pai Peng , Tao Chen , Qiong Wang , Yazhou Yao , Xian-Sheng Hua

A growing interest has been witnessed recently from both academia and industry in building nearest neighbor search (NNS) solutions on top of full-text search engines. Compared with other NNS systems, such solutions are capable of…

Information Retrieval · Computer Science 2019-07-30 Cun Mu , Jun Zhao , Guang Yang , Binwei Yang , Zheng Yan

The Forward-Forward (FF) algorithm was recently proposed as a local learning method to address the limitations of backpropagation (BP), offering biological plausibility along with memory-efficient and highly parallelized computational…

Neural and Evolutionary Computing · Computer Science 2024-08-28 Yujie Wu , Siyuan Xu , Jibin Wu , Lei Deng , Mingkun Xu , Qinghao Wen , Guoqi Li

Many multimedia information retrieval or machine learning problems require efficient high-dimensional nearest neighbor search techniques. For instance, multimedia objects (images, music or videos) can be represented by high-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2017-12-11 Fabien André

Fast k-Nearest Neighbor search over real-valued vector spaces (KNN) is an important algorithmic task for information retrieval and recommendation systems. We present a method for using reduced precision to represent vectors through…

Information Retrieval · Computer Science 2021-10-19 Anthony Ko , Iman Keivanloo , Vihan Lakshman , Eric Schkufza

We present a simple few-shot named entity recognition (NER) system based on nearest neighbor learning and structured inference. Our system uses a supervised NER model trained on the source domain, as a feature extractor. Across several test…

Computation and Language · Computer Science 2020-10-07 Yi Yang , Arzoo Katiyar

Intent detection is one of the core components of goal-oriented dialog systems, and detecting out-of-scope (OOS) intents is also a practically important skill. Few-shot learning is attracting much attention to mitigate data scarcity, but…

Computation and Language · Computer Science 2020-10-27 Jian-Guo Zhang , Kazuma Hashimoto , Wenhao Liu , Chien-Sheng Wu , Yao Wan , Philip S. Yu , Richard Socher , Caiming Xiong

Neural architecture search (NAS) enables finding the best-performing architecture from a search space automatically. Most NAS methods exploit an over-parameterized network (i.e., a supernet) containing all possible architectures (i.e.,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-20 Youngmin Oh , Hyunju Lee , Bumsub Ham

Efficient Nearest Neighbor (NN) search in high-dimensional spaces is a foundation of many multimedia retrieval systems. Because it offers low responses times, Product Quantization (PQ) is a popular solution. PQ compresses high-dimensional…

Computer Vision and Pattern Recognition · Computer Science 2017-04-25 Fabien André , Anne-Marie Kermarrec , Nicolas Le Scouarnec

Compute-in-memory (CiM) is a promising solution for addressing the challenges of artificial intelligence (AI) and the Internet of Things (IoT) hardware such as 'memory wall' issue. Specifically, CiM employing nonvolatile memory (NVM)…

Emerging Technologies · Computer Science 2024-01-11 Yifei Zhou , Xuchu Huang , Jianyi Yang , Kai Ni , Hussam Amrouch , Cheng Zhuo , Xunzhao Yin

Despite the parallel in-memory search capabilities of content addressable memories (CAMs), their use in applications is constrained by their limited resolution that worsens as they are scaled to larger arrays or advanced nodes. In this work…

Emerging Technologies · Computer Science 2025-05-06 Siri Narla , Steven J. Koester , Rebecca A. Dawley , Ageeth A. Bol , Piyush Kumar , Azad Naeemi

Few-shot segmentation aims to segment unseen-class objects given only a handful of densely labeled samples. Prototype learning, where the support feature yields a singleor several prototypes by averaging global and local object information,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Ehtesham Iqbal , Sirojbek Safarov , Seongdeok Bang

Few-shot segmentation is a task to segment objects or regions of novel classes within an image given only a few annotated examples. In the generalized setting, the task extends to segment both the base and the novel classes. The main…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Steve Andreas Immanuel , Hagai Raja Sinulingga

Approximate Nearest Neighbor Search (ANNS) is a core primitive in modern AI systems, and graph-based methods currently offer the best accuracy-efficiency trade-off at scale. The workload is fundamentally memory-bound: graph traversal…

Hardware Architecture · Computer Science 2026-05-26 Sitian Chen , Yusen Li , Yao Chen , Minwen Deng , Jintao Meng , Amelie Chi Zhou

Deep random forest (DRF), which incorporates the core features of deep learning and random forest (RF), exhibits comparable classification accuracy, interpretability, and low memory and computational overhead when compared with deep neural…

Approximate nearest neighbour (ANN) search has become a central task in modern data-intensive applications, particularly when operating on large, heterogeneous, or high-dimensional datasets. However, many existing ANN methods struggle in…

Information Retrieval · Computer Science 2026-01-15 Elena Garcia-Morato , Maria Jesus Algar , Cesar Alfaro , Felipe Ortega , Javier Gomez , Javier M. Moguerza

Previous works on meta-learning either relied on elaborately hand-designed network structures or adopted specialized learning rules to a particular domain. We propose a universal framework to optimize the meta-learning process automatically…

Machine Learning · Computer Science 2019-09-10 Xinyue Zheng , Peng Wang , Qigang Wang , Zhongchao shi , Feiyu Xu

Hyperdimensional (HD) computing involves encoding of baseline information into large hypervectors and repeated Boolean operations to generate the output class hypervectors which are stored in an associative memory. The classification task…

Emerging Technologies · Computer Science 2025-12-24 Arka Chakraborty , Franz Müller , Thomas Kämpfe , Shubham Sahay