CenterNet Object detection model with the Hourglass backbone, trained on COCO CenterNet meta-architecture from the "Objects as Points" paper with the  

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We build our framework upon a representative one-stage keypoint-based detector named CornerNet. CenterNet is a one-stage object detector that detects each object as a triplet, rather than a pair, of keypoints. It utilizes two customized modules named cascade corner pooling and center pooling, which play the roles of enriching information collected by both top-left and bottom-right corners and providing more recognizable information at the central regions, respectively. This paper presents an efficient solution which explores the visual patterns within each cropped region with minimal costs. We build our framework upon a representative one-stage keypoint-based detector named CornerNet.

Centernet paper

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CornerNet [15] and CenterNet [5] replace bound-ing box supervision with key-point supervision. Extreme point [35] and RepPoint [33] use point sets to predict object bounding boxes. As a new direction for object detection, anchor-free methods show great potential for extreme object scales and Detection identifies objects as axis-aligned boxes in an image. Most successful object detectors enumerate a nearly exhaustive list of potential object locations and classify each. This is wasteful, inefficient, and requires additional post-processing.

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단순히 keypoint 히트맵에서 peak를 추출한다. I recently read a new paper (late 2019) about a one-shot object detector called CenterNet.Apart from this, I'm using Yolo (V3) one-shot detector, and what surprised me is the close similarity between Yolo V1 and CenterNet.

Centernet paper

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Centernet paper

CenterNet: Keypoint Triplets for Object Detection by Kaiwen Duan, Song Bai, Lingxi Xie, Honggang Qi, Qingming Huang and Qi Tian The code to train and evaluate the proposed CenterNet is available here. For more technical details, CenterNet achieves the best speed-accuracy trade-off on the MS COCO dataset, with 28.1% AP at 142 FPS, 37.4% AP at 52 FPS, and 45.1% AP with multi-scale testing at 1.4 FPS. We use the same approach to estimate 3D bounding box in the KITTI benchmark and human pose on the COCO keypoint dataset. Figure 2: Architecture of CenterNet. A convolutional backbone network applies cascade corner pooling and center pooling to output two corner heatmaps and a center keypoint heatmap, respectively.

We thank Princeton Vision & Learning Lab for providing the original implementation of CornerNet. Understanding Centernet 3 minute read Recently I came across a very nice paper Objects as Points by Zhou et al. I found the approach pretty interesting and novel. It doesn’t use anchor boxes and requires minimal post-processing.
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The essential idea of the paper is to treat objects as points denoted by their centers rather than CenterNet: Keypoint Triplets for Object Detection. by Kaiwen Duan, Song Bai, Lingxi Xie, Honggang Qi, Qingming Huang and Qi Tian. The code to train and evaluate the proposed CenterNet is available here.

And recent years, many novel methods are proposed to tackle this task. However, most algorithms suffer from high computation cost and long inference time, which makes them impossible to be deployed on embedded devices in real industrial application scenarios. In this paper, we propose the Mobile CenterNet In object detection, keypoint-based approaches often suffer a large number of incorrect object bounding boxes, arguably due to the lack of an additional look into the cropped regions. This paper presents an efficient solution which explores the visual patterns within each cropped region with minimal costs.
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This paper presents an efficient solution which ex-plores the visual patterns within each cropped region with minimal costs. We build our framework upon a repre-sentative one-stage keypoint-based detector named Corner-Net. Our approach, named CenterNet, detects each ob-ject as a triplet, rather than a pair, of keypoints, which CenterNet(一)论文解读. 2019年最火的目标检测模型就是CenterNet,其实它是基于CenterNet的基础上进行改进。在看CenterNet之前自己已经将CornerNet代码也梳理了一遍,对于立即CenterNet也是有很大的帮助的。 If you want to train you own CenterNet, please adjust the batch size in CenterNet-104.json to accommodate the number of GPUs that are available to you. To use the trained model: python test.py CenterNet-104 --testiter 480000 --split To train CenterNet-52: python train.py CenterNet-52 Object detection is a fundamental task in computer vision with wide application prospect. And recent years, many novel methods are proposed to tackle this task. However, most algorithms suffer from high computation cost and long inference time, which makes them impossible to be deployed on embedded devices in real industrial application scenarios.