We use essential cookies to perform essential website functions, e.g. GitHub Gist: instantly share code, notes, and snippets. Learn more. Well occasionally send you account related emails. Learn more. specs: Specs about the shapes of sizes of prior boxes. Spec(3, 100, SSDBoxSizes(213, 264), [2]), priors: a list of priors: [[center_x, center_y, h, w]]. Spec(5, 64, SSDBoxSizes(162, 213), [2, 3]). All boxes dimensions are normalized and should have a similar aspects as the ones depcited in the next figure. size = float(spec.box_sizes.min). What I don't understand is how these number came up for various datasets. are relative to the image size (300x300). May you clarify how you selected min_size and max_size for every feature maps ? Last active Nov 27, 2019. What would you like to do? they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. Many thanks for your comments. Learn more. You signed in with another tab or window. they're used to gather information about the pages you visit and how many clicks you need to accomplish a task. Spec(10, 32, SSDBoxSizes(111, 162), [2, 3]). privacy statement. By clicking Sign up for GitHub, you agree to our terms of service and Generate SSD Prior Boxes. So I have change the network from SSD(vgg) to SSD(resnet), the final layer output is "predictions (Merge) (None, 5166, 33)". Star 14 Fork 9 Star Code Revisions 1 Stars 14 Forks 9. You signed in with another tab or window. found SSD from balancap which specifies some parameters but not all. Skip to content. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. As a result h and w are always 0 which seems not correct to me. It makes sense to be different for different datasets, but they have been computed? Created Jan 27, 2017. SSD prior box creation. @KevinYuk i suggest reading my comment more carefully. I thought prior box is the label information of the dataset, but now it seems that it is not. In a PyTorch's implementation, these are called min_sizes and max_sizes, respectively. qfgaohao / ssd_priors.py. Hello @KevinYuk, GitHub Gist: instantly share code, notes, and snippets. where this coming from ? Embed Embed this gist in your website. # based on the SSD implementation, it only applies ratio to the smallest size. Elle permet ainsi de rpondre aux besoins et aux moyens de chacun. Il existe plusieurs types de SSD et notamment deux grandes familles : les SSD SATA (en 2.5 et en M.2) et les NVMe (en M.2 et en PCIe), ces derniers sont bien plus performants mais un peu plus onreux. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. Could you please explain what a SSDBoxSizes's min and max fields are? After read all the issues here, still don't know what prior_boxes_ssd300.pkl is. Clone with Git or checkout with SVN using the repositorys web address. [Question] Which parameters to change when increasing image size. can you tell me why you used [3, 6, 6, 6, 6, 6] this ? For more information, see our Privacy Statement. I thought prior box is the label information of the dataset, but now it seems that it is not. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. La gamme des SSD est aujourdhui trs varie et comprend des modles destins tre intgrs dans un PC et dautres pour le nomadisme. If you change image_width and img_height, the size of the array is still same (7308,8), Curious about the 512x512 too? What would you like to do? If so [4, 6, 6, 6, 4, 4] is this the correct number of boxes in each layer rather than [3, 6, 6, 6, 6, 6] Embed. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. This bounding boxes are referred in the paper as prior boxes. However, looking at @rykov8 s implementation the bounding boxes were not entirely created using the equations described in the paper; instead, they were based on their actual caffe implementation. Fixed Priors: unlike MultiBox, every feature map cell is associated with a set of default bounding boxes of different dimensions and aspect ratios. Clone with Git or checkout with SVN using the repositorys web address. @tachim , as you said for using priors we can use model.predict(img)[0, :, -8:] , that can be done without any prior training of network, right?? Embed. I have change the network from SSD(vgg) to SSD(resnet), the final layer output is "predictions (Merge) (None, 5166, 33)". Learn more. Why it's 7308? In the original paper I see s_min=0,2 and s_max=0,9 but I do not understand how those are linked to your setting. Les marques tendances de SSD to your account. We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. What kind of box_configs are used for the 500x500 version of the model in the SSD paper? Why it's 7308? You said that no need to get it from the pickle file. I understand why the output shape has 7308 but why 33? i.e. How could I get a new prior_boxes_ssd300.pkl contains 5166 bounding boxes? You can always update your selection by clicking Cookie Preferences at the bottom of the page. How should I set them up? And why the maximum for a specific layer is the minimum of the next layer? All the values. In box_configs variable, how the min and max sizes are defined? We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. Is there anyone knowing this? This is really helpful We use optional third-party analytics cookies to understand how you use GitHub.com so we can build better products. You can always update your selection by clicking Cookie Preferences at the bottom of the page. https://gist.github.com/codingPingjun/aa54be7993ca6b2d484cccf5a2c5c3d4. # change h/w ratio of the small sized box. Instantly share code, notes, and snippets. codingPingjun / create_prior_box.py. Mais, quelle que soit la marque ou le type de SSD retenu, les gains obtenus restent significatifs par rapport un disque dur classique. Learn more, We use analytics cookies to understand how you use our websites so we can make them better, e.g. We use essential cookies to perform essential website functions, e.g. Sign in What is prior_boxes_ssd300.pkl? No need to get it from the pickle file. Star 4 Fork 0; Star Code Revisions 3 Stars 4. Skip to content. size and image_size are no floats here. Already on GitHub? It's also the same as model.predict(img)[0, :, -8:]. Have a question about this project? For more information, see our Privacy Statement. All gists Back to GitHub Sign in Sign up Sign in Sign up {{ message }} Instantly share code, notes, and snippets. Learn more. Ce guide dachat vous permet de choisir celui qui convient le mieux vos besoins et moyens. '../Datasets/ExtraData/prior_boxes_ssd300.pkl'. Can you give me more details? the file prior_boxes_ssd300.pkl contains 7308 bounding boxes. Thanks very much for your clarification. I found that the final layer output of SSD topology is "predictions (Merge) (None, 7308, 33)". I found that the final layer output of SSD topology is "predictions (Merge) (None, 7308, 33)". h = w = size / image_size is a int division. We use essential cookies to perform essential website functions, e.g. Many thanks it is really helpfull. Variable, how the min and max fields are is not 50 million developers working together to host review! You agree to our terms of service and privacy statement i found that the final layer output of topology. Ssd from balancap which specifies some parameters but not all the paper as prior.. How could i get a new prior_boxes_ssd300.pkl contains 5166 bounding boxes are referred in the paper as prior boxes,! My comment more carefully cookies to understand how you use GitHub.com so we can build products ) [ 0,:, -8: ] occasionally send you account related emails star 14 Fork star Is really helpful but have a similar aspects as the ones depcited in original A specific layer is the code to avoid to get it from the pickle file Revisions Stars Service and privacy statement to avoid to get prior box in each feature layer right change h/w ratio of small Of box_configs are used for the 500x500 version of the next figure pull request may close this issue a.! Selected min_size and max_size for every feature maps to our terms of service and privacy statement 162 ), about! Preferences at the bottom of the array is still same ( 7308,8 ), Curious about the 512x512? Reading my comment more carefully how those are linked to your setting really helpful but have a aspects!, variance_4 web address achat vous permet de choisir celui qui le Of box_configs are used for the 500x500 version of the next layer understand Change the code from SSD_trainning.py: how to change the code from: Terms of service and privacy statement kind of box_configs are used for the 500x500 version the! You can always update your selection by clicking Cookie Preferences at the bottom of the model the. And why the output shape has 7308 but why 33 information of the page they 're to. Implementation, these are called min_sizes and max_sizes, respectively the SSD paper box in each layer! Ainsi de rpondre aux besoins et aux moyens de chacun and how many clicks you need to a! Prior_Boxes_Ssd300.Pkl contains 7308 bounding boxes are referred in the paper as prior boxes star 4 Fork 0 ; star Revisions Of service and privacy statement ), [ 2, 3 ] ) s_min=0,2 and s_max=0,9 i! 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