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What is the use of absolute, jitter, rescore and bias_match in YOLOv2 net in darknet?


Obj and No Obj fields in YOLOv2 darknet always 0How to store the predicted classnames from darknet YOLO?hololens shows black screen when used with yolo (darknet)How to convert the darknet yolo model to keras?Using Darknet YOLO v2 with COCO dataset to train a certain number of classesDarknet - OpenCL weird continous increment of time in clEnqueueNDRangeKernelCan't open Label file darknet YoloYolov3 don't detect anything but Yolov2 works fineNot able to see images in darknetCan someone explain how YOLOv2 is working in detail(coding portion) as I'm new to this













1















Can someone explain me the following used in YOLOv2 net in darknet.



absolute=1
jitter=0.2
rescore=0
bias_match=1









share|improve this question


























    1















    Can someone explain me the following used in YOLOv2 net in darknet.



    absolute=1
    jitter=0.2
    rescore=0
    bias_match=1









    share|improve this question
























      1












      1








      1








      Can someone explain me the following used in YOLOv2 net in darknet.



      absolute=1
      jitter=0.2
      rescore=0
      bias_match=1









      share|improve this question














      Can someone explain me the following used in YOLOv2 net in darknet.



      absolute=1
      jitter=0.2
      rescore=0
      bias_match=1






      conv-neural-network object-detection yolo darknet






      share|improve this question













      share|improve this question











      share|improve this question




      share|improve this question










      asked Mar 7 at 7:57









      Ashna EldhoAshna Eldho

      285




      285






















          1 Answer
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          1














          jitter can be [0-1] and used to crop images during training for data augumentation. The larger the value of jitter, the more invariance would neural network to change of size and aspect ratio of the objects



          rescore determines what the loss (delta, cost, ...) function will be used



          bias_match used only for training, if bias_match=1 then detected object will have the same as in one of anchor, else if bias_match=0 then of anchor will be refined by a neural network.



          absolute is not used



          Look to great Alexey's answer for more explanation about cfg parameter : https://github.com/AlexeyAB/darknet/issues/279






          share|improve this answer






















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            1 Answer
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            active

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            active

            oldest

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            1














            jitter can be [0-1] and used to crop images during training for data augumentation. The larger the value of jitter, the more invariance would neural network to change of size and aspect ratio of the objects



            rescore determines what the loss (delta, cost, ...) function will be used



            bias_match used only for training, if bias_match=1 then detected object will have the same as in one of anchor, else if bias_match=0 then of anchor will be refined by a neural network.



            absolute is not used



            Look to great Alexey's answer for more explanation about cfg parameter : https://github.com/AlexeyAB/darknet/issues/279






            share|improve this answer



























              1














              jitter can be [0-1] and used to crop images during training for data augumentation. The larger the value of jitter, the more invariance would neural network to change of size and aspect ratio of the objects



              rescore determines what the loss (delta, cost, ...) function will be used



              bias_match used only for training, if bias_match=1 then detected object will have the same as in one of anchor, else if bias_match=0 then of anchor will be refined by a neural network.



              absolute is not used



              Look to great Alexey's answer for more explanation about cfg parameter : https://github.com/AlexeyAB/darknet/issues/279






              share|improve this answer

























                1












                1








                1







                jitter can be [0-1] and used to crop images during training for data augumentation. The larger the value of jitter, the more invariance would neural network to change of size and aspect ratio of the objects



                rescore determines what the loss (delta, cost, ...) function will be used



                bias_match used only for training, if bias_match=1 then detected object will have the same as in one of anchor, else if bias_match=0 then of anchor will be refined by a neural network.



                absolute is not used



                Look to great Alexey's answer for more explanation about cfg parameter : https://github.com/AlexeyAB/darknet/issues/279






                share|improve this answer













                jitter can be [0-1] and used to crop images during training for data augumentation. The larger the value of jitter, the more invariance would neural network to change of size and aspect ratio of the objects



                rescore determines what the loss (delta, cost, ...) function will be used



                bias_match used only for training, if bias_match=1 then detected object will have the same as in one of anchor, else if bias_match=0 then of anchor will be refined by a neural network.



                absolute is not used



                Look to great Alexey's answer for more explanation about cfg parameter : https://github.com/AlexeyAB/darknet/issues/279







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Mar 7 at 8:11









                gameon67gameon67

                862823




                862823





























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