As I tried to run "run_pascal.sh" in deeplapv2, I got the following error:
Unknown enumeration value of "IMAGE_SEG_DATA" for field "type".
I found a solution stating that I should change the type of the layer from "IMAGE_SEG_DATA" to "ImageSegData", but the solution didn't work.
Finally, I found the definition of this layer in "image_seg_data_layer.cpp". However, this layer isn't defined in the "caffe.proto".
I traced back to the "caffe.proto" of deeplab v1 and there is actually an enumeration value named IMAGE_SEG_DATA.
Please show me how to fix this problem!
Related
I am using RANSAC to fit a line to my data. The data is 30X2 double, I have used MatLab example to write the code given below, but I am getting an error in my problem. I don't understand the error and unable to resolve it.
The link to Matlab example is
https://se.mathworks.com/help/vision/ref/ransac.html
load linedata
data = [xm,ym];
N = length(xm); % number of data points
sampleSize = 2; % number of points to sample per trial
maxDistance = 2; % max allowable distance for inliers
fitLineFcn = polyfit(xm,ym,1); % fit function using polyfit
evalLineFcn =#(model) sum(ym - polyval(fitLineFcn, xm).^2,2); % distance evaluation function
[modelRANSAC, inlierIdx] = ransac(data,fitLineFcn,evalLineFcn,sampleSize,maxDistance);
The error is as follows
Error using ransac Expected fitFun to be one of these types:
function_handle
Instead its type was double.
Error in ransac>parseInputs (line 202) validateattributes(fitFun,
{'function_handle'}, {'scalar'}, mfilename, 'fitFun');
Error in ransac (line 148) [params, funcs] = parseInputs(data, fitFun,
distFun, sampleSize, ...
Lets read the error message and the documentation, as they tend to have all the information required to solve the issue!
Error using ransac Expected fitFun to be one of these types:
function_handle
Instead its type was double.
Hum, interesting. If you read the docs (which is always the first thing you should do) you see that fitFun is the second input. The error says its double, but it should be function_handle. This is easy to verify, indeed firLineFun is double!
But why? Well, lets read more documentation, right? polyfit says that it returns an array of the coefficient values, not a function_hanlde, so indeed everything the documentation says and the error says is clear about why you get the error.
Now, what do you want to do? It seems that you want to use polyfit as the function to fit with ransac. So we need to make it a function. According to the docs, fitFun has to be of the form fitFun(data), so we just do that, create a function_handle for this;
fitLineFcn=#(data)polyfit(data(:,1),data(:,2),1);
And magic! It works!
Lesson to learn: read the error text you provide, and the documentation1, all the information is there. In fact, I have never used ransac, its just reading the docs that led me to this answer.
1- In fact, programmers tend to reply with the now practically a meme: RTFM often, as it is always the first step on everything programming.
im making a platform game and i can't figure out what's the problem specifically it says the problem is in this line:
if(background_mc.platform_mc.hitTestPoint(player_mc.x-xDistance,player_mc.y, true))
To solve this kind of problem you need to trace() all the objects you are referencing in this line prior to it:
trace("background_mc", background_mc);
trace("player_mc", player_mc);
trace("platform_mc", background_mc.platform_mc);
if(background_mc.platform_mc.hitTestPoint(player_mc.x-xDistance,player_mc.y, true))
One of the traces will give you either "undefined" or "null" and then you can move on to the next step: why do you think the object must be accessible while it is not.
I'm getting the following error when creating a new record/model:
Uncaught Error: Attempted to handle event `willSetProperty` on <App.NewsItem:ember361:null> while in state rootState.loaded.created.inFlight. Called with {reference: [object Object], store: <App.Store:ember299>, name: bodyHTML}
What does it mean?
Seems to be caused by the application updating a property (called 'bodyHTML') on an instance of a model of type App.NewsItem while it is being saved (rootState.loaded.created.inFlight). I have no idea why I'm receiving the error on creation though.
Seems like either you are modifying an existing dirty object , or you are trying setting some property to undefined
see
http://coryforsyth.com/2013/06/10/the-willsetproperty-gotcha-in-ember-data-understanding-the-state-machine/
I have a mediator that I've registered for a navigation page:
facade.registerMediator(new NavPageMediator(viewComponent));
I'm trying to retrieve that mediator on another page like so:
var navPageMediator:NavPageMediator = facade.retrieveMediator(NavPageMediator.NAME) as NavPageMediator;
However, that statement returns null. If I try to cast it using the NavPageMediator(facade.retrieveMediator(NavPageMediator.NAME)) syntax instead, I get a TypeError: Error #1034: Type Coercion failed: cannot convert com.website.mvc.view.page::NavPageMediator#237560a1 to com.website.mvc.view.page.NavPageMediator.`
I can't, for the life of me, understand why NavPageMediator#237560a1 would be unable to convert to NavPageMediator, nor what happened in between registering the mediator and retrieving it that caused this. Especially since trace(new NavPageMediator() as NavPageMediator); returns [object NavPageMediator].
Incidentally, and this may be part of my problem, I don't understand what the #hash at the end of the object is (#237560a1). Is it simply an internal identifier for that class instance?
Edit:
Left a bit of important info: The SWF in which I instantiate and register the mediator is separate from the SWF in which I try to retrieve it.
Figured it out. It turned out to be an ApplicationDomain issue. Assigning both SWFs (the registrant and the retriever) to the same domain solved the issue.
Additionally, I'm pretty sure the #hash at the end of the class name is an internal reference to the ApplicationDomain to which the class belongs. So NavPageMediator#237560a1 was in a different domain than NavPageMediator (why there was no hash on the second one I'm still not sure; that would have made things a bit clearer).
Does anyone know the real difference between the two ways of type casting in Flex 3?
var myObject1:MyObject = variable as MyObject;
var myObject2:MyObject = MyObject(variable);
I prefer to use the second method because it will throw an Error when type cast fails, whereas the first method will just return null. But are there any other differences? Perhaps any advantages to using the first method?
The second type of casting has different behaviour for top level(http://livedocs.adobe.com/flex/2/langref/) types, e.g. Array(obj) does not cast in the straightforward way you describe; it creates a new Array if possible from obj, even if obj is an Array.
I'm sure the times this would cause unexpected behaviour would be rare but I always use "as" for this reason. It means if I do
int(str)
I know it's a cast in the "attempt to convert" sense of the word not in the "I promise it is" sense.
ref: got some confirmation on this from http://raghuonflex.wordpress.com/2007/07/27/casting-vs-the-as-operator/
The as method returns null if cast fails.
The () method throws and error if the cast fails.
If the value of variable is not compatible with MyObject, myObject1 will contain null and you will be surprised by a null pointer error (1009 : cannot access a property or method of a null object reference.) somewhere later in the program when you try to access it. Where as if you are casting using the MyObject(variable) syntax, you will get a type coercion error (1034 : Type Coercion failed: cannot convert _ to _) at the same line itself - which is more helpful than getting a 1009 somewhere later and wondering what went wrong.
I think I read somewhere on this site that as is slighty faster than (), but I can't find the question again.
Beside that this question have been asked many times, you will find an more in-depth answer here.
I recently discovered the very useful [] tag when searching on StackOverflow, it allows to only search in questions tagged with the specified tag(s). So you could do a search like [actionscript-3] as vs cast. There are more search tips here: https://stackoverflow.com/search.
And no; the irony in that I can not find the question about performance and write about how to search is not lost on me ;)
I think as returns back the base class and not null when the casting fails and () throws an error.