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by Jaemin Kang on 2020-04-14 21:20:28

Date: 2020. 04.17 (Fri) 15:00

Locate: EB5. 533 and Zoom

Presenter: Jaemin Kang

Title: You Only Look Once: Unified, Real-Time Object Detection

Author: Joseph Redmon, Santosh Divvala, Ross Girshick, A Li Farhadi

Abstract: We present YOLO, a new approach to object detection.
Prior work on object detection repurposes classifiers to perform
detection. Instead, we frame object detection as a regression
problem to spatially separated bounding boxes and
associated class probabilities. A single neural network predicts
bounding boxes and class probabilities directly from
full images in one evaluation. Since the whole detection
pipeline is a single network, it can be optimized end-to-end
directly on detection performance.
Our unified architecture is extremely fast. Our base
YOLO model processes images in real-time at 45 frames
per second. A smaller version of the network, Fast YOLO,
processes an astounding 155 frames per second while
still achieving double the mAP of other real-time detectors.
Compared to state-of-the-art detection systems, YOLO
makes more localization errors but is less likely to predict
false positives on background. Finally, YOLO learns very
general representations of objects. It outperforms other detection
methods, including DPM and R-CNN, when generalizing
from natural images to other domains like artwork.

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