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# 第二十二次CAIC沙龙活动纪要 - Awesome ChatBot!
« 本次沙龙通知: #60
[https://bupt.github.io/ai-ml.club/events/seminar-meeting-minutes-22/](https://bupt.github.io/ai-ml.club/events/seminar-meeting-minutes-22/)
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Hi!
I want to change `multinomial cross entropy loss for affordance detection branch based on softmax` into `binary cross entropy loss based on sigmod`, how can I do?
I try to change `train.prot…
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yolov5 已经复现出来。
训练最后一层没有sigmod
计算损失 2*pred.sigmod-1,target_encoding 范围(-1,1)
ltheta += self.BCEtheta(ps[:, class_index:class_index + 4].sigmoid() * 2 - 1, phase_shift_targets)
推理最后一层有sigmod
a…
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我用自己的数据训练了YOLO fastest模型,使用作者提供的测试脚本进行测试,得到的效果还不错,转为mnn后,需要对结果进行后处理,我的是两个列表的小目标检测,默认使用你的后处理代码是没有检测输出的,调试看在获取输出的地方,也就是sigmoid函数输出的值都很小,不知道什么原因。
for(int s = 0;s < 3;s++){
float scores …
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"Why Percentiles Don’t Work the Way you Think" https://www.vividcortex.com/blog/why-percentiles-dont-work-the-way-you-think (Not very much on the "why," actually.)
> "At Circonus we learned early o…
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- Bio
- [Advances in Bioinformatics](https://www.hindawi.com/journals/abi/). [Q2](https://www.scimagojr.com/journalsearch.php?q=19700182335&tip=sid&clean=0)
- [Journal of Bioinformatics and Co…
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Can you let me know if the problem with "return -1" have been solved or not?
It is observed at searching the closest line segments for set of points (after slight modifcation of your code - 2D case…
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您好, 训练过程中中断后再接着训练的话,会出现重头开始训练的效果, 是不是中断继续训练加载的模型参数有问题?
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URL: [https://dl.acm.org/citation.cfm?id=2899401](https://dl.acm.org/citation.cfm?id=2899401)
### This paper does...
Provides a method for obtaining detailed provenance information from executions, …
gkiar updated
5 years ago
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DeltaBoost: Gradient Boosting Decision Trees with Efficient Machine Unlearning
https://dl.acm.org/doi/10.1145/3589313