Documentation for GradientVectorSobel and GradientVectorPrewitt
Hi, there is documented GradientVectorSobel function for example on https://software.intel.com/en-us/node/504474 and there is mentioned Gx kernel. I am not sure if it is correct documented, IMO it...
View ArticleLimitations to the image sizes for CrossCorrNormGetBufferSize
What are the maximum sizes for the template and src for the CrossCorrNormGetBufferSize ?I have used this function for a long time with no problems but recently I tried with large images and got an...
View ArticleIs sgx_aes_ctr reentrant?
In my enclave.cpp code, there is sgx_aes_ctr function call.When I executes my program, it works well but the execution time is not proportional to the number of threads.I tested with 7700k cpu and 1,...
View ArticleMacOS universal binaries
Hi,I just got update 3 installed on my Mac. I need to build a universal binary for an app/plugin that requires it per Apple requirements (GarageBand).Unfortunately, it seems that the free/community...
View ArticleHow to copy the image border efficiently ?
HiSuppose I have a imageA, now I want it have the duplicate border, for example, copy the data from the second row to the first row, copy the data from the last but one row to the last row, copy the...
View ArticleIntel IPP 2017 Update 3 Cannot Build Custom DLL with VS2017
I am attempting to use the ipp_custom_library_tool_gui.exe with V2017 Update 3. The release notes indicated support for VS2017 and the installer said it was integrating with that version of VS, but the...
View ArticleIpp FIR Filtering issue
hello, I need to use the IPP package for audio data filtering purposes. In particular i need to use IIR and FIR filtering on 16s (short) data arrays.In my evaluation project the IIR filtering functions...
View ArticleStrange bad memory of MKL spline function
Dear all,I am using MKL compilers_and_libraries_2017.4.210 (update 3) and following the developer guide to construct a cubic spline interpolation workflow. However no matter how I configure my inputs...
View Articleipp 2017 update 2 Histogram buffer size issue
I've encountered a problem of calculating the image histogram when using the latest ipp static library(2017 update 2)The issue happened when I call the ippiHistogramGetBufferSize function.I needed to...
View Articleippsc library encode/decode function make my app buffer corrupted
Hi, all,My application has a memory pool, and any buffer used is allocated from this pool. For EVS codec encoding/decoding, I also get buffer from this pool. But there is buffer corrupted after calling...
View ArticleIPP 2017 jpeg encoding / decoding sample
Hi,Are there any samples for encoding and decoding of jpg files with IPP 2017? Basically a high level way to load a jpg with IPP and get an RGB buffer back. Also the other way around of giving an RGB...
View ArticleResizeAntialiasing does not match output of Resize* when upscaling
According to the documentation of ResizeAntialiasing, when increasing the image size it should behave as ippiResizeLinear, ippiResizeCubic, or ippiResizeLanczos. But I found a small difference:#define...
View ArticleIPPsc decode function makes buffer corrupted
hello, When using IPP library to decode EVS codec package with 128k bitrate, the app buffer is corrupted in function e9_Copy (). The test case is running on Linux x86_64 platform.The version of IPP I...
View ArticlePossible bug in ippiFilterMedianBorder_32f_C1R
Hello,I may have found a bug in ippiFilterMedianBorder_32f_C1R. Could you check if this code is correct and if you can reproduce this bug?#include <ipps.h> #include <ippi.h> #include...
View Articleselecting channel while mp3 encoding
Hello.I have two RTP data streams ( PCM 8kHz mono ) and I want to record them into one stereo mp3 file using MP3Encoder. I want one stream to be a left channel and another stream to be a right channel....
View ArticleIntel IPP 7.1 support for Real Time OS (QNX)
I understand that Intel IPP is not supported for QNX. I would like to see if any one has experience porting the static libs for any Real Time OS preferably QNX. Also I would like to request the Intel...
View ArticleBCrypt calling Blowfish
HelloI am trying to use Blowfish in the framework of BCrypt and have access to SBoxes and subkey array of BCrypt. How can I create an appropriate IppsBlowfishSpec towards the 64 rounds of Blowfish...
View ArticleMacOS universal binaries
Hi,I just got update 3 installed on my Mac. I need to build a universal binary for an app/plugin that requires it per Apple requirements (GarageBand).Unfortunately, it seems that the free/community...
View ArticleConverting from ippiHistogramEven (IPP 7.0) to ippiHistogram (IPP 2017)
Hi,I'm converting the use of IPP 7.0 to IPP 2017.I have an issue that ippiHistogram does not produce the same result as ippiHistogramEven.I've generated the levels to be exactly as IPP 7.0 created, but...
View ArticleippsResamplePolyphase_16s output
I played around with ippsResamplePolyphase_16s function and came across its kind of strange behavior. First of all, let me define a lowpass filter with a window size of 5 and discretization step for...
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