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Prostate segmentation from Magnetic Resonance (MR) images plays an important role in image guided interven- tion. However, the lack of clear boundary specifically at the apex and base, and huge variation of shape and texture between the…

计算机视觉与模式识别 · 计算机科学 2017-03-29 Qikui Zhu , Bo Du , Baris Turkbey , Peter L . Choyke , Pingkun Yan

One of the most challenges in medical imaging is the lack of data and annotated data. It is proven that classical segmentation methods such as U-NET are useful but still limited due to the lack of annotated data. Using a weakly supervised…

图像与视频处理 · 电气工程与系统科学 2020-03-20 Amine Amyar , Romain Modzelewski , Pierre Vera , Vincent Morard , Su Ruan

The deficiency of segmentation labels is one of the main obstacles to semantic segmentation in the wild. To alleviate this issue, we present a novel framework that generates segmentation labels of images given their image-level class…

计算机视觉与模式识别 · 计算机科学 2018-04-10 Jiwoon Ahn , Suha Kwak

The ground-to-satellite image matching/retrieval was initially proposed for city-scale ground camera localization. This work addresses the problem of improving camera pose accuracy by ground-to-satellite image matching after a coarse…

计算机视觉与模式识别 · 计算机科学 2024-09-11 Yujiao Shi , Hongdong Li , Akhil Perincherry , Ankit Vora

The detection of clouds in satellite images is an essential preprocessing task for big data in remote sensing. Convolutional neural networks (CNNs) have greatly advanced the state-of-the-art in the detection of clouds in satellite images,…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Joachim Nyborg , Ira Assent

Most of the existing semantic segmentation approaches with image-level class labels as supervision, highly rely on the initial class activation map (CAM) generated from the standard classification network. In this paper, a novel…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Jinlong Li , Zequn Jie , Xu Wang , Yu Zhou , Xiaolin Wei , Lin Ma

Spatial arrangement of cells of various types, such as tumor infiltrating lymphocytes and the advancing edge of a tumor, are important features for detecting and characterizing cancers. However, convolutional neural networks (CNNs) do not…

图像与视频处理 · 电气工程与系统科学 2019-08-15 Shrey Gadiya , Deepak Anand , Amit Sethi

Pixel-level annotations are expensive and time consuming to obtain. Hence, weak supervision using only image tags could have a significant impact in semantic segmentation. Recently, CNN-based methods have proposed to fine-tune pre-trained…

计算机视觉与模式识别 · 计算机科学 2017-10-17 Fatemeh Sadat Saleh , Mohammad Sadegh Aliakbarian , Mathieu Salzmann , Lars Petersson , Jose M. Alvarez , Stephen Gould

Cell nuclei detection is a challenging research topic because of limitations in cellular image quality and diversity of nuclear morphology, i.e. varying nuclei shapes, sizes, and overlaps between multiple cell nuclei. This has been a topic…

图像与视频处理 · 电气工程与系统科学 2019-01-23 Mohammad Tofighi , Tiantong Guo , Jairam K. P. Vanamala , Vishal Monga

Pixel-level annotations are expensive and time consuming to obtain. Hence, weak supervision using only image tags could have a significant impact in semantic segmentation. Recently, CNN-based methods have proposed to fine-tune pre-trained…

计算机视觉与模式识别 · 计算机科学 2016-09-05 Fatemehsadat Saleh , Mohammad Sadegh Ali Akbarian , Mathieu Salzmann , Lars Petersson , Stephen Gould , Jose M. Alvarez

We propose an image-based cellular contractile force evaluation method using a machine learning technique. We use a special substrate that exhibits wrinkles when cells grab the substrate and contract, and the wrinkles can be used to…

生物物理 · 物理学 2019-08-26 Li Honghan , Daiki Matsunaga , Tsubasa S. Matsui , Hiroki Aosaki , Shinji Deguchi

While Convolutional Neural Networks (CNNs) excel at learning complex latent-space representations, their over-parameterization can lead to overfitting and reduced performance, particularly with limited data. This, alongside their high…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Manish Sharma , Jamison Heard , Eli Saber , Panos P. Markopoulos

Cell detection is an essential task in cell image analysis. Recent deep learning-based detection methods have achieved very promising results. In general, these methods require exhaustively annotating the cells in an entire image. If some…

计算机视觉与模式识别 · 计算机科学 2021-07-22 Kazuma Fujii , Daiki Suehiro , Kazuya Nishimura , Ryoma Bise

Many promising applications of supervised machine learning face hurdles in the acquisition of labeled data in sufficient quantity and quality, creating an expensive bottleneck. To overcome such limitations, techniques that do not depend on…

We propose a novel model for temporal detection and localization which allows the training of deep neural networks using only counts of event occurrences as training labels. This powerful weakly-supervised framework alleviates the burden of…

机器学习 · 计算机科学 2019-05-20 Julien Schroeter , Kirill Sidorov , David Marshall

In the weakly supervised localization setting, supervision is given as an image-level label. We propose to employ an image classifier $f$ and to train a generative network $g$ that outputs, given the input image, a per-pixel weight map that…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Tal Shaharabany , Lior Wolf

In this paper, we propose a Computer Assisted Diagnosis (CAD) system based on a deep Convolutional Neural Network (CNN) model, to build an end-to-end learning process that classifies breast mass lesions. We investigate the impact that has…

计算机视觉与模式识别 · 计算机科学 2017-11-30 Hiba Chougrad , Hamid Zouaki , Omar Alheyane

Deep Convolutional Neural Networks have proven effective in solving the task of semantic segmentation. However, their efficiency heavily relies on the pixel-level annotations that are expensive to get and often require domain expertise,…

计算机视觉与模式识别 · 计算机科学 2020-07-03 Ostap Viniavskyi , Mariia Dobko , Oles Dobosevych

In this paper, we construct a lightweight, high-precision and high-speed object tracking using a trained CNN. Conventional methods with trained CNNs use VGG16 network which requires powerful computational resources. Therefore, there is a…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Tsubasa Murate , Takashi Watanabe , Masaki Yamada

This paper proposes a new method to improve the training efficiency of deep convolutional neural networks. During training, the method evaluates scores to measure how much each layer's parameters change and whether the layer will continue…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Giorgio Cruciata , Luca Cruciata , Liliana Lo Presti , Jan Van Gemert , Marco La Cascia