SSD | High quality , fast , modular reference implementation | Computer Vision library
kandi X-RAY | SSD Summary
kandi X-RAY | SSD Summary
This repository implements SSD (Single Shot MultiBox Detector). The implementation is heavily influenced by the projects ssd.pytorch, pytorch-ssd and maskrcnn-benchmark. This repository aims to be the code base for researches based on SSD.
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Top functions reviewed by kandi - BETA
- Calculates the prediction accuracy for each bounding box .
- Start training .
- Calculate the accuracy of the detection op .
- Calculates the accuracy of the detection .
- Evaluate COCA classification results .
- Runs the detection algorithm .
- Evaluate a dataset .
- Download and cache a given URL .
- Gathers all tensors from all ranks
- Main function .
SSD Key Features
SSD Examples and Code Snippets
svd15 90x160
layer name Filter Shape Output Size Params Flops Ratio
Convolution1 (4, 3, 3, 3) (1, 4, 160, 90) 108 1555200 7.087%
Convolution2 (4, 4, 3, 3) (1, 4, 160, 90) 144
conv1 = self.conv_block(self.img, 64, 2)
conv2 = self.conv_block(conv1, 128, 2)
conv3 = self.conv_block(conv2, 256, 3)
# 38x38
module11 = self.conv_bn(conv3, 3, 512, 1, 1)
tmp = self.conv_block(module11, 1024, 5)
# 19x19
module13 = fluid.layers.conv
$ curl -LO http://www.cs.unc.edu/%7Ewliu/projects/SSD/models_VGGNet_VOC0712_SSD_300x300.tar.gz
$ tar xf models_VGGNet_VOC0712_SSD_300x300.tar.gz
$ ./caffe2npz.py models/VGGNet/VOC0712/SSD_300x300/VGG_VOC0712_SSD_300x300_iter_120000.caffemodel VGG_VO
def StreamingFilesDataset(
files: Union[Text, dataset_ops.Dataset],
filetype: Optional[Union[Text, Callable[[Text],
dataset_ops.Dataset]]] = None,
file_reader_job: Optional[Text] = None,
wor
"""04. Train SSD on Pascal VOC dataset
======================================
This tutorial goes through the basic building blocks of object detection
provided by GluonCV.
Specifically, we show how to build a state-of-the-art Single Shot Multibox
De
"""05. Deep dive into SSD training: 3 tips to boost performance
===============================================================
In the previous tutorial :ref:`sphx_glr_build_examples_detection_train_ssd_voc.py`,
we briefly went through the basic API
Community Discussions
Trending Discussions on SSD
QUESTION
I am facing problem in instaling tensorflow
, please help me. Here is the error that I get:
ANSWER
Answered 2022-Apr-16 at 07:551.try:
QUESTION
I wrote the code where I am trying to parse data using aiohttp
, bs4
, and asyncio
, but I get the following error. What's wrong?
This is my code:
...ANSWER
Answered 2022-Mar-04 at 19:53Try this:
QUESTION
I created and ran a C program that used popen to call a command from the terminal and check the corresponding output in the file pointer that popen returned. popen and pclose were in a while loop which ran millions of times. However, since popen returns a file pointer, I'm worried that it was creating and deleting this information from my SSD all these millions of times and potentially shortening the life span of the SSD by this.(Because files are stored in storage) I am pretty sure I am wrong on this and that is not how it works but I just want to be sure.
...ANSWER
Answered 2022-Feb-26 at 10:43You are correct, it a pipe between two processes doesn't take a detour via harddisk.
Some background: in Unix/Linux, file descriptors are also used for all possible things that are not actually files.
- Network sockets
- Timers
- Device files (keyboard or mouse input, for example)
- Pipes (as you noticed)
- This includes console standard input/output/error, e.g. for printf (which can be redirected to a file sometimes, without the program noticing)
- Any other message queue (for IPC)
- etc.
Those things all have something in common: your application will need to call into the kernel (write() or read()) and may have to wait until input/output is possible.
If you are waiting for multiple of those things at once, there is a big advantage of having only file descriptors: you can give the kernel a list of file descriptors that you're waiting for, and it will wake up your process if any of them is ready. If you want to read more about this, look at the select
or poll
/epoll
manpages/syscalls.
Without this concept, you'd have to use a new thread for everything you are waiting for, unless you are okay with blocking your whole program or wasting CPU time with polling (non-blocking I/O).
QUESTION
I try to run my React Native project on MacBook Pro M1 but when I run adb it's gives error : zsh: segmentation fault adb.
I tried run adb from both ~/Library/Android/sdk/platform-tools
& ~/usr/local/bin/adb
.
Tried reinstall platform-tools in android studio.
Tried install and reinstall platform-tools from brew.
Tried reinstall android studio itself.
Device: MacBook Pro M1 2020, SSD: 512, RAM: 8
OS: macOS Monterey
Android Studio: android-studio-2021.1.1.21-mac_arm
...ANSWER
Answered 2022-Feb-07 at 17:44This looks similar to your problem. Setting up android emulators on mac m1 pros requires extra installation steps.
QUESTION
I'm creating a Dataproc cluster, and it is timing out when i'm adding the connectors.sh in the initialization actions.
here is the command & error
...ANSWER
Answered 2022-Feb-01 at 20:01It seems you are using an old version of the init action script. Based on the documentation from the Dataproc GitHub repo, you can set the version of the Hadoop GCS connector without the script in the following manner:
QUESTION
ANSWER
Answered 2021-Dec-23 at 10:33The developers have fixed this bug in one of the recent updates.
QUESTION
I have a program that scans a very large txt file (.pts file actually) that looks like this :
...ANSWER
Answered 2022-Jan-05 at 15:24If you use HDD to store your file just reading with 100Mb/s will spend ~2min and it is a good case. Try to read a block of the file and process it in another thread while the next block will be reading.
Also, you have something like:
QUESTION
I want to examine the parts of the array that are objects. What if it checks a value and filters it for me if it exists?
im array :
...ANSWER
Answered 2021-Dec-05 at 10:40filter
: instead use a forEach
loop.
QUESTION
I am using elasticsearch 5.6.13 version, I need some experts configurations for the elasticsearch. I have 3 nodes in the same system (node1,node2,node3) where node1 is master and else 2 data nodes. I have number of indexes around 40, I created all these indexes with default 5 primary shards and some of them have 2 replicas. What I am facing the issue right now, My data (scraping) is growing day by day and I have 400GB of the data in my one of index. similarly 3 other indexes are also very loaded. From some last days I am facing the issue while insertion of data my elasticsearch hangs and then the service is killed which effect my processing. I have tried several things. I am sharing the system specs and current ES configuration + logs. Please suggest some solution.
The System Specs: RAM: 160 GB, CPU: AMD EPYC 7702P 64-Core Processor, Drive: 2 TB SSD (The drive in which the ES installed still have 500 GB left)
ES Configuration JVM options: -Xms26g, -Xmx26g (I just try this but not sure what is the perfect heap size for my scenario) I just edit this above lines and the rest of the file is as defult. I edit this on all three nodes jvm.options files.
ES LOGS
[2021-09-22T12:05:17,983][WARN ][o.e.m.j.JvmGcMonitorService] [sashanode1] [gc][170] overhead, spent [7.1s] collecting in the last [7.2s] [2021-09-22T12:05:21,868][WARN ][o.e.m.j.JvmGcMonitorService] [sashanode1] [gc][171] overhead, spent [3.7s] collecting in the last [1.9s] [2021-09-22T12:05:51,190][WARN ][o.e.m.j.JvmGcMonitorService] [sashanode1] [gc][172] overhead, spent [27.7s] collecting in the last [23.3s] [2021-09-22T12:06:54,629][WARN ][o.e.m.j.JvmGcMonitorService] [cluster_name] [gc][173] overhead, spent [57.5s] collecting in the last [1.1m] [2021-09-22T12:06:56,536][WARN ][o.e.m.j.JvmGcMonitorService] [cluster_name] [gc][174] overhead, spent [1.9s] collecting in the last [1.9s] [2021-09-22T12:07:02,176][WARN ][o.e.m.j.JvmGcMonitorService] [cluster_name] [gc][175] overhead, spent [5.4s] collecting in the last [5.6s] [2021-09-22T12:06:56,546][ERROR][o.e.i.e.Engine ] [cluster_name] [index_name][3] merge failed java.lang.OutOfMemoryError: Java heap space
[2021-09-22T12:06:56,548][ERROR][o.e.b.ElasticsearchUncaughtExceptionHandler] [cluster_name] fatal error in thread [elasticsearch[cluster_name][bulk][T#25]], exiting java.lang.OutOfMemoryError: Java heap space
Some more logs
[2021-09-22T12:10:06,526][INFO ][o.e.n.Node ] [cluster_name] initializing ... [2021-09-22T12:10:06,589][INFO ][o.e.e.NodeEnvironment ] [cluster_name] using [1] data paths, mounts [[(D:)]], net usable_space [563.3gb], net total_space [1.7tb], spins? [unknown], types [NTFS] [2021-09-22T12:10:06,589][INFO ][o.e.e.NodeEnvironment ] [cluster_name] heap size [1.9gb], compressed ordinary object pointers [true] [2021-09-22T12:10:07,239][INFO ][o.e.n.Node ] [cluster_name] node name [sashanode1], node ID [2p-ux-OXRKGuxmN0efvF9Q] [2021-09-22T12:10:07,240][INFO ][o.e.n.Node ] [cluster_name] version[5.6.13], pid[57096], build[4d5320b/2018-10-30T19:05:08.237Z], OS[Windows Server 2019/10.0/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/1.8.0_261/25.261-b12] [2021-09-22T12:10:07,240][INFO ][o.e.n.Node ] [cluster_name] JVM arguments [-Xms2g, -Xmx2g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -Djdk.io.permissionsUseCanonicalPath=true, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Dlog4j.skipJansi=true, -XX:+HeapDumpOnOutOfMemoryError, -Delasticsearch, -Des.path.home=D:\Databases\ES\elastic and kibana 5.6.13\es_node_1, -Des.default.path.logs=D:\Databases\ES\elastic and kibana 5.6.13\es_node_1\logs, -Des.default.path.data=D:\Databases\ES\elastic and kibana 5.6.13\es_node_1\data, -Des.default.path.conf=D:\Databases\ES\elastic and kibana 5.6.13\es_node_1\config, exit, -Xms2048m, -Xmx2048m, -Xss1024k]
Also in my ES folder there are so many files with the random names (java_pid197036.hprof) Further details can be shared please suggest any further configurations. Thanks
The output for _cluster/stats?pretty&human is
{ "_nodes": { "total": 3, "successful": 3, "failed": 0 }, "cluster_name": "cluster_name", "timestamp": 1632375228033, "status": "red", "indices": { "count": 42, "shards": { "total": 508, "primaries": 217, "replication": 1.3410138248847927, "index": { "shards": { "min": 2, "max": 60, "avg": 12.095238095238095 }, "primaries": { "min": 1, "max": 20, "avg": 5.166666666666667 }, "replication": { "min": 1.0, "max": 2.0, "avg": 1.2857142857142858 } } }, "docs": { "count": 107283077, "deleted": 1047418 }, "store": { "size": "530.2gb", "size_in_bytes": 569385384976, "throttle_time": "0s", "throttle_time_in_millis": 0 }, "fielddata": { "memory_size": "0b", "memory_size_in_bytes": 0, "evictions": 0 }, "query_cache": { "memory_size": "0b", "memory_size_in_bytes": 0, "total_count": 0, "hit_count": 0, "miss_count": 0, "cache_size": 0, "cache_count": 0, "evictions": 0 }, "completion": { "size": "0b", "size_in_bytes": 0 }, "segments": { "count": 3781, "memory": "2gb", "memory_in_bytes": 2174286255, "terms_memory": "1.7gb", "terms_memory_in_bytes": 1863786029, "stored_fields_memory": "105.6mb", "stored_fields_memory_in_bytes": 110789048, "term_vectors_memory": "0b", "term_vectors_memory_in_bytes": 0, "norms_memory": "31.9mb", "norms_memory_in_bytes": 33527808, "points_memory": "13.1mb", "points_memory_in_bytes": 13742470, "doc_values_memory": "145.3mb", "doc_values_memory_in_bytes": 152440900, "index_writer_memory": "0b", "index_writer_memory_in_bytes": 0, "version_map_memory": "0b", "version_map_memory_in_bytes": 0, "fixed_bit_set": "0b", "fixed_bit_set_memory_in_bytes": 0, "max_unsafe_auto_id_timestamp": 1632340789677, "file_sizes": { } } }, "nodes": { "count": { "total": 3, "data": 3, "coordinating_only": 0, "master": 1, "ingest": 3 }, "versions": [ "5.6.13" ], "os": { "available_processors": 192, "allocated_processors": 96, "names": [ { "name": "Windows Server 2019", "count": 3 } ], "mem": { "total": "478.4gb", "total_in_bytes": 513717497856, "free": "119.7gb", "free_in_bytes": 128535437312, "used": "358.7gb", "used_in_bytes": 385182060544, "free_percent": 25, "used_percent": 75 } }, "process": { "cpu": { "percent": 5 }, "open_file_descriptors": { "min": -1, "max": -1, "avg": 0 } }, "jvm": { "max_uptime": "1.9d", "max_uptime_in_millis": 167165106, "versions": [ { "version": "1.8.0_261", "vm_name": "Java HotSpot(TM) 64-Bit Server VM", "vm_version": "25.261-b12", "vm_vendor": "Oracle Corporation", "count": 3 } ], "mem": { "heap_used": "5gb", "heap_used_in_bytes": 5460944144, "heap_max": "5.8gb", "heap_max_in_bytes": 6227755008 }, "threads": 835 }, "fs": { "total": "1.7tb", "total_in_bytes": 1920365228032, "free": "499.1gb", "free_in_bytes": 535939969024, "available": "499.1gb", "available_in_bytes": 535939969024 }, "plugins": [ ], "network_types": { "transport_types": { "netty4": 3 }, "http_types": { "netty4": 3 } } } }
The jvm.options file.
...ANSWER
Answered 2021-Oct-08 at 06:38My issue is solved, It is due to the heap size issue, actually I am running the ES as service and the heap size is by default 2 GB and it is not reflecting. I just install the new service with the updated options.jvm file with heap size of 10 GB, and then run my cluster. It reflect the heap size from 2 GB to 10 GB. And my problem is solved. Thanks for the suggestions.
to check your heap size use this command.
QUESTION
Anybody seen this messages before in mongodb sharded cluster 4.0.16 mongos during balancing:
...ANSWER
Answered 2021-Dec-02 at 15:52- This message is expected behaviour during balancing when there is read request for documents already migrated to other shard.
- The meaning is that the mongos is not able to establish remote cursor to the old shard since the config is reported stale and data is moved to the new shard.
- No fix is necessary this is informative message only.
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