Photoshop CC Making a selection by pixel attributes

Hi there,
I'm new to adobe Photoshop CC, and I'm trying to find a way to come up with complex selections, in a way similar to the magic wand tool. I haven't seen any kind
of properties box where you can input statements to come with a selection output. I think this would be useful for all kinds of applications, and would
work especially well with defining training areas with remotely sensed images to classify them. Is there any plug in to download or similar way to achieve this?
Bright red, darker teal and dark grey would be selected in the example, in the specified areas

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Is there a way to select matching pixels on 2 different layers?

Hey there,
I've been wondering about this a long time now and can't seem to figure it out. I hope u guys can help me crack this.
If I shoot 2 different portraits (of 2 different people), against the same background (a complex one not a backdrop), using a locked frame on a tripod, giving me the same exact background in both pictures, with only the portraits changing.
If I then take these 2 pictures, and create layers out of them in the same Photoshop document, and align them perfectly on top of each other.
Is there a way (action, plugin, script, etc...) to select the pixels that did not change between the 2 layers? In other words, the pixels that create the background of both pictures?
And would it make it easier if I shoot the background alone, and then the portraits, and then follow the same steps?
I'm posting this, and crossing my fingers.
Thanks,
Pierre.

Changing the blend mode of the upper layer to Difference, will show identical pixels as full black. To make a selection, you'd need to produce a copy merged layer (Shift Ctrl Alt e) and you could select the full black pixels by simple a method as using the magic wand with a low tolerance value. In fact a tolerance of '1' will select all the identical pixels, but tiny variations in lighting etc. may need a higher tolerance.
Save the selection, turn off the copy merged layer, change the blend mode of the upper layer back to normal > And you are good to go.
I am wondering how you intend using this though, and what sort of end result you are hoping for? Give it a try and come back to us if it doesn't work out

How to make any select one choice attribute read only base on different att

i have two select one choice attribute .one is create without binding and another one is base on data control .i do not want to write code in backing bean for making attribute read only .
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<af:selectOneChoice label="Label 1" id="soc1"
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<af:selectItem label="N" value="N" id="si1"/>
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prateek

please give me any example using backing bean .for example
<?xml version='1.0' encoding='UTF-8'?>
<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page" version="2.1"
xmlns:f="http://java.sun.com/jsf/core"
xmlns:h="http://java.sun.com/jsf/html"
xmlns:af="http://xmlns.oracle.com/adf/faces/rich">
<jsp:directive.page contentType="text/html;charset=UTF-8"/>
<f:view>
<af:document id="d1">
<af:form id="f1">
<af:selectOneChoice label="Label 1" id="soc1" binding="#{Af.l1}"
autoSubmit="true">
<af:selectItem label="A" value="1" id="si1"/>
<af:selectItem label="B" value="2" id="si2"/>
</af:selectOneChoice>
<af:selectOneChoice label="Label 2" id="soc2" disabled="#{Af.l1=='2'}"
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<af:selectItem label="D" value="4" id="si4"/>
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</af:form>
</af:document>
</f:view>
</jsp:root>
package a;
import oracle.adf.view.rich.component.rich.input.RichSelectOneChoice;
public class A {
private RichSelectOneChoice l1;
public A() {
public void setL1(RichSelectOneChoice l1) {
this.l1 = l1;
public RichSelectOneChoice getL1() {
return l1;
is there any mistake

Selecting the Pixels of a Shape. It use to be easy now it's not!

Hey Guys,
I use to use CS3 on a PC. Now I use CS5 on a Mac OSX 10.6.3
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<%
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ok, sorry everyone for making it confusing; this is what I am
trying to acheieve;
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How can I edit photos in iPhoto in Photoshop Elements? I select PE in iPhoto preferences but they stay in iPhoto for editing.

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Select the same attribute in a query more than once

Hi Experts,
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Expecting an early solution..
Pilliga

Hi,
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Photoshop CC Making a selection by pixel attributes

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