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Post-Training Quantization (PTQ) reduces the memory footprint and computational overhead of deep neural networks by converting full-precision (FP) values into quantized and compressed data types. While PTQ is more cost-efficient than…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Ali Zoljodi , Radu Timofte , Masoud Daneshtalab

With the explosive growth of image databases, deep hashing, which learns compact binary descriptors for images, has become critical for fast image retrieval. Many existing deep hashing methods leverage quantization loss, defined as distance…

Computer Vision and Pattern Recognition · Computer Science 2017-11-01 Yuefu Zhou , Shanshan Huang , Ya Zhang , Yanfeng Wang

Integer AI inference significantly reduces computational complexity in embedded systems. Quantization-aware training (QAT) helps mitigate accuracy degradation associated with post-training quantization but still overlooks the impact of…

Machine Learning · Computer Science 2025-10-14 Lion Mueller , Alberto Garcia-Ortiz , Ardalan Najafi , Adam Fuks , Lennart Bamberg

Quantizers play a critical role in digital signal processing systems. Recent works have shown that the performance of quantization systems acquiring multiple analog signals using scalar analog-to-digital converters (ADCs) can be…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Nir Shlezinger , Yonina C. Eldar

The success of large pre-trained object detectors hinges on their adaptability to diverse downstream tasks. While fine-tuning is the standard adaptation method, specializing these models for challenging fine-grained domains necessitates…

Computer Vision and Pattern Recognition · Computer Science 2025-05-05 Vishal Gandhi , Sagar Gandhi

This research aims to optimize intricate learning models by implementing quantization and bit-depth optimization techniques. The objective is to significantly cut time complexity while preserving model efficiency, thus addressing the…

Machine Learning · Computer Science 2025-11-18 Mitul Goswami , Romit Chatterjee

As new optimizers gain traction and model quantization becomes standard for efficient deployment, a key question arises: how does the choice of optimizer affect model performance in the presence of quantization? Despite progress in both…

Machine Learning · Computer Science 2025-10-03 Georgios Vlassis , Saleh Ashkboos , Alexandra Volkova , Torsten Hoefler , Dan Alistarh

Post-Training Quantization (PTQ) has received significant attention because it requires only a small set of calibration data to quantize a full-precision model, which is more practical in real-world applications in which full access to a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-30 Cuong Pham , Hoang Anh Dung , Cuong C. Nguyen , Trung Le , Dinh Phung , Gustavo Carneiro , Thanh-Toan Do

We propose a method for specializing deep detectors and trackers to restricted settings. Our approach is designed with the following goals in mind: (a) Improving accuracy in restricted domains; (b) preventing overfitting to new domains and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-26 Dotan Kaufman , Koby Bibas , Eran Borenstein , Michael Chertok , Tal Hassner

DETR-like methods have significantly increased detection performance in an end-to-end manner. The mainstream two-stage frameworks of them perform dense self-attention and select a fraction of queries for sparse cross-attention, which is…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Xiuquan Hou , Meiqin Liu , Senlin Zhang , Ping Wei , Badong Chen

Fully quantized training (FQT), which uses low-bitwidth hardware by quantizing the activations, weights, and gradients of a neural network model, is a promising approach to accelerate the training of deep neural networks. One major…

Machine Learning · Computer Science 2020-10-28 Jianfei Chen , Yu Gai , Zhewei Yao , Michael W. Mahoney , Joseph E. Gonzalez

Post-Training Quantization (PTQ) and Quantization-Aware Training (QAT) represent two mainstream model quantization approaches. However, PTQ often leads to unacceptable performance degradation in quantized models, while QAT imposes…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Xinhao Wang , Zhiwei Lin , Zhongyu Xia , Yongtao Wang

Detection Transformers (DETR) are increasingly adopted in autonomous vehicle (AV) perception systems due to their superior accuracy over convolutional networks. However, concurrently executing multiple DETR tasks presents significant…

Systems and Control · Electrical Eng. & Systems 2025-05-30 Woojin Shin , Donghwa Kang , Byeongyun Park , Brent Byunghoon Kang , Jinkyu Lee , Hyeongboo Baek

Transfer learning has become a popular task adaptation method in the era of foundation models. However, many foundation models require large storage and computing resources, which makes off-the-shelf deployment impractical. Post-training…

Computer Vision and Pattern Recognition · Computer Science 2023-07-11 Jung Hwan Heo , Seyedarmin Azizi , Arash Fayyazi , Massoud Pedram

Quantization-Aware Training (QAT), combined with Knowledge Distillation (KD), holds immense promise for compressing models for edge deployment. However, joint optimization for precision-sensitive image restoration (IR) to recover visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 S. M. A. Sharif , Abdur Rehman , Seongwan Kim , Jaeho Lee

With the rapid increase in the size of neural networks, model compression has become an important area of research. Quantization is an effective technique at decreasing the model size, memory access, and compute load of large models.…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-26 David Qiu , David Rim , Shaojin Ding , Oleg Rybakov , Yanzhang He

Monocular Depth Estimation (MDE) has emerged as a pivotal task in computer vision, supporting numerous real-world applications. However, deploying accurate depth estimation models on resource-limited edge devices, especially…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Xuan Shen , Weize Ma , Jing Liu , Changdi Yang , Rui Ding , Quanyi Wang , Henghui Ding , Wei Niu , Yanzhi Wang , Pu Zhao , Jun Lin , Jiuxiang Gu

Fine-grained remote sensing datasets often use hierarchical label structures to differentiate objects in a coarse-to-fine manner, with each object annotated across multiple levels. However, embedding this semantic hierarchy into the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Jingzhou Chen , Dexin Chen , Fengchao Xiong , Yuntao Qian , Liang Xiao

Albeit revealing impressive predictive performance for several computer vision tasks, deep neural networks (DNNs) are prone to making overconfident predictions. This limits the adoption and wider utilization of DNNs in many safety-critical…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Muhammad Akhtar Munir , Salman Khan , Muhammad Haris Khan , Mohsen Ali , Fahad Shahbaz Khan

Quantization-aware training (QAT) schemes have been shown to achieve near-full precision accuracy. They accomplish this by training a quantized model for multiple epochs. This is computationally expensive, mainly because of the full…

Machine Learning · Computer Science 2024-11-19 Saleh Ashkboos , Bram Verhoef , Torsten Hoefler , Evangelos Eleftheriou , Martino Dazzi