Changes between Version 32 and Version 33 of VisionFramework

Timestamp:

Nov 25, 2017, 11:39:38 AM (7 years ago)

Author:

benjialbert

Comment:

--

VisionFramework

@@ -131 +131 @@
 cd rpi_ws281x
 scons
-}}}
-
-Let's also install the python library:
-{{{
-cd python
-sudo python setup.py install
 }}}
 
@@ -216 +210 @@
 ----
 === C++ Projects with OpenCV ===
-'''NOTE: our performance doubled when we transitioned to C++ from Java'''
+'''NOTE: our performance doubled when we transitioned to C++ from Java'''[[BR]][[BR]]
+'''With C++, we can process (capture and segment) 640x480 frames at 66 fps and 1080x720 frames at 28 fps'''[[BR]][[BR]]
+'''With Java, we could only get about 30 fps with 640x480 frames'''
 
 Let's install an IDE so we do not have to keep writing in vi/vim/nano:
@@ -223 +219 @@
 }}}
 
-We experienced a bug that constantly crashed CodeBlocks:
-Navigate to: {{{Settings -> Editor -> Code completion -> Symbols browser}}} and check {{{Disable symbols browser}}}
+We experienced a bug that constantly crashed CodeBlocks:[[BR]]
+To prevent crashing, navigate to: {{{Settings -> Editor -> Code completion -> Symbols browser}}} and check {{{Disable symbols browser}}}[[BR]]
 (the {{{Code completion}}} tab is on the west panel of the configure editor.)
 
-Navigate to: {{{File -> New -> Project -> Console Application}}}
-and fill in the fields that come up.
-
-If your {{{Management}}} tab is not visible, open it by selecting: {{{View -> Manager}}}
+Navigate to: {{{File -> New -> Project -> Console Application}}} And fill in the fields that come up.
+
+If your {{{Management}}} tab is not visible, open it by selecting: {{{View -> Manager}}}[[BR]]
 Also, if your {{{Logs & others}}} tab is not open already, select {{{View -> Logs}}}
 
 Now right click your project in the {{{Management}}} tab and navigate to: {{{Build options... -> Linker settings}}}
 
-Under the {{{Link libraries}}} panel, select {{{Add}}} and select all OpenCV shared object (.so) files located in {{{/home/pi/opencv/build/lib/*.so}}}
+Under the {{{Link libraries}}} panel, select {{{Add}}} and select all OpenCV shared object (.so) files located in {{{/home/pi/opencv/build/lib/*.so}}}[[BR]]
 (You can [ctrl + left-click] multiple *.so] files to add them all at once)
 
-Now let's navigate to: {{{Search directories -> Linker}}}
+Now let's navigate to: {{{Search directories -> Linker}}}[[BR]]
 In the {{{Linker}}} tab, select {{{Add}}} and add the path to your opencv lib: {{{/home/pi/opencv/build/lib}}}
 
@@ -251 +246 @@
 * v4l2-ctl --set-ctrl=exposure_time_absolute=100
 
-Make your C++ program set these options by using the {{{stdlib.h}}} {{{system(char*)}}} command which simply takes a string command as input.
+Make your C++ program set these options by using the {{{stdlib.h}}} {{{system(char*)}}} command which simply takes a string command as input.[[BR]]
+Alternatively you could add these options to your {{{bashrc}}} file like we did with the modprobe, but you may want to tweak these options or experiment with them, so putting them into your C++ program makes it a little easier to manipulate.